diff --git a/crates/moon/tests/test_cases/alert_list.in/lib/hello.mbt b/crates/moon/tests/test_cases/alert_list.in/lib/hello.mbt
index 5e981944..a2cac5bf 100644
--- a/crates/moon/tests/test_cases/alert_list.in/lib/hello.mbt
+++ b/crates/moon/tests/test_cases/alert_list.in/lib/hello.mbt
@@ -10,3 +10,6 @@ fn alert_1() -> Unit {
 /// @alert alert_2 "alert_2"
 fn alert_2() -> Unit {
 }
+
+pub fn hello() -> Unit {
+}
diff --git a/crates/moon/tests/test_cases/alert_list.in/main/main.mbt b/crates/moon/tests/test_cases/alert_list.in/main/main.mbt
index d7b32586..8bf36899 100644
--- a/crates/moon/tests/test_cases/alert_list.in/main/main.mbt
+++ b/crates/moon/tests/test_cases/alert_list.in/main/main.mbt
@@ -1,6 +1,7 @@
 fn main {
   alert_1();
   alert_2();
+  @lib.hello()
 }
 
 /// @alert alert_1 "alert_1"
diff --git a/crates/moon/tests/test_cases/cond_comp.in/moon.test b/crates/moon/tests/test_cases/cond_comp.in/moon.test
index b97563d3..d13be95d 100644
--- a/crates/moon/tests/test_cases/cond_comp.in/moon.test
+++ b/crates/moon/tests/test_cases/cond_comp.in/moon.test
@@ -36,12 +36,12 @@
   $ moon check --dry-run --target js --sort-input --nostd
   moonc check ./src/lib/all.mbt ./src/lib/js_and_release.mbt ./src/lib/js_or_wasm.mbt ./src/lib/only_js.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/js/release/check/lib/lib.mi -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target js
   moonc check ./src/main/main.mbt -o ./target/js/release/check/main/main.mi -pkg username/hello/main -is-main -i ./target/js/release/check/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target js
-  moonc check ./src/lib/hello_test.mbt ./src/lib/js_only_test.mbt -o ./target/js/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -i ./target/js/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target js
+  moonc check ./src/lib/hello_test.mbt ./src/lib/js_only_test.mbt -o ./target/js/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -i ./target/js/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target js -blackbox-test
   
   $ moon test --dry-run --target js --sort-input --nostd
   moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package username/hello/lib --sort-input --target js --driver-kind blackbox
   moonc build-package ./src/lib/all.mbt ./src/lib/js_or_wasm.mbt ./src/lib/only_debug.mbt ./src/lib/only_js.mbt ./src/lib/wasm_release_or_js_debug.mbt -o ./target/js/debug/test/lib/lib.core -pkg username/hello/lib -pkg-sources username/hello/lib:./src/lib -target js -g
-  moonc build-package ./src/lib/hello_test.mbt ./src/lib/js_only_test.mbt ./target/js/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/js/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -i ./target/js/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target js -g
+  moonc build-package ./src/lib/hello_test.mbt ./src/lib/js_only_test.mbt ./target/js/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/js/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -i ./target/js/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target js -g -blackbox-test
   moonc link-core ./target/js/debug/test/lib/lib.core ./target/js/debug/test/lib/lib.blackbox_test.core -main username/hello/lib_blackbox_test -o ./target/js/debug/test/lib/lib.blackbox_test.js -test-mode -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -exported_functions moonbit_test_driver_internal_execute -js-format cjs -target js -g
   moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package username/hello/lib --sort-input --target js --driver-kind internal
   moonc build-package ./src/lib/all.mbt ./src/lib/js_or_wasm.mbt ./src/lib/only_debug.mbt ./src/lib/only_js.mbt ./src/lib/wasm_release_or_js_debug.mbt ./target/js/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/js/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -pkg-sources username/hello/lib:./src/lib -target js -g
@@ -66,6 +66,13 @@
      │       ┬  
      │       ╰── Warning: Unused variable 'a'
   ───╯
+  Warning: [1029]
+     ╭─[${WORK_DIR}/src/main/moon.pkg.json:4:5]
+     │
+   4 │     "username/hello/lib"
+     │     ──────────┬─────────  
+     │               ╰─────────── Warning: Unused package 'username/hello/lib'
+  ───╯
   Finished. moon: ran 3 tasks, now up to date
   
   $ xcat target/packages.json
diff --git a/crates/moon/tests/test_cases/mod.rs b/crates/moon/tests/test_cases/mod.rs
index a7a43327..3d6d03d1 100644
--- a/crates/moon/tests/test_cases/mod.rs
+++ b/crates/moon/tests/test_cases/mod.rs
@@ -1378,7 +1378,7 @@ fn test_moon_test_filter_package_dry_run() {
         ),
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./A/hello.mbt ./A/test.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g
+            moonc build-package ./A/hello.mbt ./A/test.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/A/A.whitebox_test.core -main username/hello/A -o ./target/wasm-gc/debug/test/A/A.whitebox_test.wasm -test-mode -pkg-sources username/hello/A:./A -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./A/hello.mbt ./A/test.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/A/A.internal_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g
@@ -1393,13 +1393,13 @@ fn test_moon_test_filter_package_dry_run() {
             moonc build-package ./lib2/lib.mbt ./target/wasm-gc/debug/test/lib2/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib2/lib2.internal_test.core -pkg username/hello/lib2 -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib2:./lib2 -target wasm-gc -g
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib2/lib2.internal_test.core -main username/hello/lib2 -o ./target/wasm-gc/debug/test/lib2/lib2.internal_test.wasm -test-mode -pkg-sources username/hello/lib2:./lib2 -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g
+            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -main username/hello/lib -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.wasm -test-mode -pkg-sources username/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.internal_test.core -main username/hello/lib -o ./target/wasm-gc/debug/test/lib/lib.internal_test.wasm -test-mode -pkg-sources username/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./A/hello.mbt ./A/test.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g
+            moonc build-package ./A/hello.mbt ./A/test.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/A/A.whitebox_test.core -main username/hello/A -o ./target/wasm-gc/debug/test/A/A.whitebox_test.wasm -test-mode -pkg-sources username/hello/A:./A -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./A/hello.mbt ./A/test.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/A/A.internal_test.core -pkg username/hello/A -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/A:./A -target wasm-gc -g
@@ -1627,7 +1627,7 @@ fn test_moon_test_hello_exec() {
         get_stdout(&dir, ["test", "--dry-run", "--debug", "--sort-input"]),
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/hello/lib --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g -source-map
+            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g -source-map -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -main moonbitlang/hello/lib -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g -source-map
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g -source-map
@@ -1650,7 +1650,7 @@ fn test_moon_test_hello_exec_fntest() {
         get_stdout(&dir, ["test", "-v", "--dry-run", "--sort-input"]),
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/hello/lib --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g
+            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -main moonbitlang/hello/lib -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target wasm-gc -g
@@ -2934,8 +2934,8 @@ fn test_dummy_core() {
             moonc check -o ./target/wasm-gc/release/check/char/char.mi -pkg moonbitlang/core/char -i ./target/wasm-gc/release/check/coverage/coverage.mi:coverage -pkg-sources moonbitlang/core/char:./char -target wasm-gc
             moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc
             moonc check ./2/lib.mbt -o ./target/wasm-gc/release/check/2/2.mi -pkg moonbitlang/core/2 -i ./target/wasm-gc/release/check/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm-gc
-            moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc
-            moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc
+            moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -whitebox-test
+            moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -whitebox-test
             moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc
         "#]],
     );
@@ -2950,8 +2950,8 @@ fn test_dummy_core() {
             moonc check -o ./target/wasm/release/check/char/char.mi -pkg moonbitlang/core/char -i ./target/wasm/release/check/coverage/coverage.mi:coverage -pkg-sources moonbitlang/core/char:./char -target wasm
             moonc check ./1/lib.mbt ./1/x.wasm.mbt -o ./target/wasm/release/check/1/1.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm
             moonc check ./2/lib.mbt -o ./target/wasm/release/check/2/2.mi -pkg moonbitlang/core/2 -i ./target/wasm/release/check/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm
-            moonc check ./1/lib.mbt ./1/x.wasm.mbt -o ./target/wasm/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm
-            moonc check ./0/lib.mbt ./0/y.wasm.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm.mbt -o ./target/wasm/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm
+            moonc check ./1/lib.mbt ./1/x.wasm.mbt -o ./target/wasm/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm -whitebox-test
+            moonc check ./0/lib.mbt ./0/y.wasm.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm.mbt -o ./target/wasm/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm -whitebox-test
             moonc check ./0/lib.mbt ./0/y.wasm.mbt -o ./target/wasm/release/check/0/0.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm
         "#]],
     );
@@ -2966,8 +2966,8 @@ fn test_dummy_core() {
             moonc check -o ./target/wasm-gc/release/check/char/char.mi -pkg moonbitlang/core/char -i ./target/wasm-gc/release/check/coverage/coverage.mi:coverage -pkg-sources moonbitlang/core/char:./char -target wasm-gc
             moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc
             moonc check ./2/lib.mbt -o ./target/wasm-gc/release/check/2/2.mi -pkg moonbitlang/core/2 -i ./target/wasm-gc/release/check/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm-gc
-            moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc
-            moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc
+            moonc check ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -whitebox-test
+            moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -whitebox-test
             moonc check ./0/lib.mbt ./0/y.wasm-gc.mbt -o ./target/wasm-gc/release/check/0/0.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target wasm-gc
         "#]],
     );
@@ -2982,8 +2982,8 @@ fn test_dummy_core() {
             moonc check -o ./target/js/release/check/char/char.mi -pkg moonbitlang/core/char -i ./target/js/release/check/coverage/coverage.mi:coverage -pkg-sources moonbitlang/core/char:./char -target js
             moonc check ./1/lib.mbt ./1/x.js.mbt -o ./target/js/release/check/1/1.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target js
             moonc check ./2/lib.mbt -o ./target/js/release/check/2/2.mi -pkg moonbitlang/core/2 -i ./target/js/release/check/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target js
-            moonc check ./1/lib.mbt ./1/x.js.mbt -o ./target/js/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target js
-            moonc check ./0/lib.mbt ./0/y.js.mbt ./0/y_wbtest.js.mbt ./0/y_wbtest.mbt -o ./target/js/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target js
+            moonc check ./1/lib.mbt ./1/x.js.mbt -o ./target/js/release/check/1/1.whitebox_test.mi -pkg moonbitlang/core/1 -pkg-sources moonbitlang/core/1:./1 -target js -whitebox-test
+            moonc check ./0/lib.mbt ./0/y.js.mbt ./0/y_wbtest.js.mbt ./0/y_wbtest.mbt -o ./target/js/release/check/0/0.whitebox_test.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target js -whitebox-test
             moonc check ./0/lib.mbt ./0/y.js.mbt -o ./target/js/release/check/0/0.mi -pkg moonbitlang/core/0 -pkg-sources moonbitlang/core/0:./0 -target js
         "#]],
     );
@@ -3060,13 +3060,13 @@ fn test_dummy_core() {
             moonc build-package ./2/lib.mbt ./target/wasm-gc/debug/test/2/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/2/2.internal_test.core -pkg moonbitlang/core/2 -is-main -i ./target/wasm-gc/debug/test/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm-gc -g
             moonc link-core ./target/wasm-gc/debug/test/1/1.core ./target/wasm-gc/debug/test/2/2.internal_test.core -main moonbitlang/core/2 -o ./target/wasm-gc/debug/test/2/2.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -pkg-sources moonbitlang/core/2:./2 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g
+            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/1/1.whitebox_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/1/1.internal_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g
             moonc link-core ./target/wasm-gc/debug/test/1/1.internal_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g
+            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/0/0.whitebox_test.core -main moonbitlang/core/0 -o ./target/wasm-gc/debug/test/0/0.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/0:./0 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/0/0.internal_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g
@@ -3094,13 +3094,13 @@ fn test_dummy_core() {
             moonc build-package ./2/lib.mbt ./target/wasm/debug/test/2/__generated_driver_for_internal_test.mbt -o ./target/wasm/debug/test/2/2.internal_test.core -pkg moonbitlang/core/2 -is-main -i ./target/wasm/debug/test/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm -g
             moonc link-core ./target/wasm/debug/test/1/1.core ./target/wasm/debug/test/2/2.internal_test.core -main moonbitlang/core/2 -o ./target/wasm/debug/test/2/2.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -pkg-sources moonbitlang/core/2:./2 -exported_functions moonbit_test_driver_internal_execute -target wasm -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm/debug/test --package moonbitlang/core/1 --sort-input --target wasm --driver-kind whitebox
-            moonc build-package ./1/lib.mbt ./1/x.wasm.mbt ./target/wasm/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm -g
+            moonc build-package ./1/lib.mbt ./1/x.wasm.mbt ./target/wasm/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm -g -whitebox-test
             moonc link-core ./target/wasm/debug/test/1/1.whitebox_test.core -main moonbitlang/core/1 -o ./target/wasm/debug/test/1/1.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm/debug/test --package moonbitlang/core/1 --sort-input --target wasm --driver-kind internal
             moonc build-package ./1/lib.mbt ./1/x.wasm.mbt ./target/wasm/debug/test/1/__generated_driver_for_internal_test.mbt -o ./target/wasm/debug/test/1/1.internal_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm -g
             moonc link-core ./target/wasm/debug/test/1/1.internal_test.core -main moonbitlang/core/1 -o ./target/wasm/debug/test/1/1.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm/debug/test --package moonbitlang/core/0 --sort-input --target wasm --driver-kind whitebox
-            moonc build-package ./0/lib.mbt ./0/y.wasm.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm.mbt ./target/wasm/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm -g
+            moonc build-package ./0/lib.mbt ./0/y.wasm.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm.mbt ./target/wasm/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm -g -whitebox-test
             moonc link-core ./target/wasm/debug/test/0/0.whitebox_test.core -main moonbitlang/core/0 -o ./target/wasm/debug/test/0/0.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/0:./0 -exported_functions moonbit_test_driver_internal_execute -target wasm -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm/debug/test --package moonbitlang/core/0 --sort-input --target wasm --driver-kind internal
             moonc build-package ./0/lib.mbt ./0/y.wasm.mbt ./target/wasm/debug/test/0/__generated_driver_for_internal_test.mbt -o ./target/wasm/debug/test/0/0.internal_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm -g
@@ -3128,13 +3128,13 @@ fn test_dummy_core() {
             moonc build-package ./2/lib.mbt ./target/wasm-gc/debug/test/2/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/2/2.internal_test.core -pkg moonbitlang/core/2 -is-main -i ./target/wasm-gc/debug/test/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm-gc -g
             moonc link-core ./target/wasm-gc/debug/test/1/1.core ./target/wasm-gc/debug/test/2/2.internal_test.core -main moonbitlang/core/2 -o ./target/wasm-gc/debug/test/2/2.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -pkg-sources moonbitlang/core/2:./2 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g
+            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/1/1.whitebox_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/1/1.internal_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g
             moonc link-core ./target/wasm-gc/debug/test/1/1.internal_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g
+            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/0/0.whitebox_test.core -main moonbitlang/core/0 -o ./target/wasm-gc/debug/test/0/0.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/0:./0 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/0/0.internal_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g
@@ -3162,13 +3162,13 @@ fn test_dummy_core() {
             moonc build-package ./2/lib.mbt ./target/js/debug/test/2/__generated_driver_for_internal_test.mbt -o ./target/js/debug/test/2/2.internal_test.core -pkg moonbitlang/core/2 -is-main -i ./target/js/debug/test/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target js -g
             moonc link-core ./target/js/debug/test/1/1.core ./target/js/debug/test/2/2.internal_test.core -main moonbitlang/core/2 -o ./target/js/debug/test/2/2.internal_test.js -test-mode -pkg-sources moonbitlang/core/1:./1 -pkg-sources moonbitlang/core/2:./2 -exported_functions moonbit_test_driver_internal_execute -js-format cjs -target js -g
             moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package moonbitlang/core/1 --sort-input --target js --driver-kind whitebox
-            moonc build-package ./1/lib.mbt ./1/x.js.mbt ./target/js/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/js/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target js -g
+            moonc build-package ./1/lib.mbt ./1/x.js.mbt ./target/js/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/js/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target js -g -whitebox-test
             moonc link-core ./target/js/debug/test/1/1.whitebox_test.core -main moonbitlang/core/1 -o ./target/js/debug/test/1/1.whitebox_test.js -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -js-format cjs -target js -g
             moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package moonbitlang/core/1 --sort-input --target js --driver-kind internal
             moonc build-package ./1/lib.mbt ./1/x.js.mbt ./target/js/debug/test/1/__generated_driver_for_internal_test.mbt -o ./target/js/debug/test/1/1.internal_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target js -g
             moonc link-core ./target/js/debug/test/1/1.internal_test.core -main moonbitlang/core/1 -o ./target/js/debug/test/1/1.internal_test.js -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -js-format cjs -target js -g
             moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package moonbitlang/core/0 --sort-input --target js --driver-kind whitebox
-            moonc build-package ./0/lib.mbt ./0/y.js.mbt ./0/y_wbtest.js.mbt ./0/y_wbtest.mbt ./target/js/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/js/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target js -g
+            moonc build-package ./0/lib.mbt ./0/y.js.mbt ./0/y_wbtest.js.mbt ./0/y_wbtest.mbt ./target/js/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/js/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target js -g -whitebox-test
             moonc link-core ./target/js/debug/test/0/0.whitebox_test.core -main moonbitlang/core/0 -o ./target/js/debug/test/0/0.whitebox_test.js -test-mode -pkg-sources moonbitlang/core/0:./0 -exported_functions moonbit_test_driver_internal_execute -js-format cjs -target js -g
             moon generate-test-driver --source-dir . --target-dir ./target/js/debug/test --package moonbitlang/core/0 --sort-input --target js --driver-kind internal
             moonc build-package ./0/lib.mbt ./0/y.js.mbt ./target/js/debug/test/0/__generated_driver_for_internal_test.mbt -o ./target/js/debug/test/0/0.internal_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target js -g
@@ -3196,13 +3196,13 @@ fn test_dummy_core() {
             moonc build-package ./2/lib.mbt ./target/wasm-gc/debug/test/2/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/2/2.internal_test.core -pkg moonbitlang/core/2 -is-main -i ./target/wasm-gc/debug/test/1/1.mi:1 -pkg-sources moonbitlang/core/2:./2 -target wasm-gc -g -enable-coverage
             moonc link-core ./target/wasm-gc/debug/test/1/1.core ./target/wasm-gc/debug/test/2/2.internal_test.core -main moonbitlang/core/2 -o ./target/wasm-gc/debug/test/2/2.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -pkg-sources moonbitlang/core/2:./2 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind whitebox --enable-coverage
-            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g -enable-coverage
+            moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./1/x_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/1/1.whitebox_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g -enable-coverage -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/1/1.whitebox_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/1 --sort-input --target wasm-gc --driver-kind internal --enable-coverage
             moonc build-package ./1/lib.mbt ./1/x.wasm-gc.mbt ./target/wasm-gc/debug/test/1/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/1/1.internal_test.core -pkg moonbitlang/core/1 -is-main -pkg-sources moonbitlang/core/1:./1 -target wasm-gc -g -enable-coverage
             moonc link-core ./target/wasm-gc/debug/test/1/1.internal_test.core -main moonbitlang/core/1 -o ./target/wasm-gc/debug/test/1/1.internal_test.wasm -test-mode -pkg-sources moonbitlang/core/1:./1 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind whitebox --enable-coverage
-            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g -enable-coverage
+            moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./0/y_wbtest.mbt ./0/y_wbtest.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/0/0.whitebox_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g -enable-coverage -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/0/0.whitebox_test.core -main moonbitlang/core/0 -o ./target/wasm-gc/debug/test/0/0.whitebox_test.wasm -test-mode -pkg-sources moonbitlang/core/0:./0 -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/0 --sort-input --target wasm-gc --driver-kind internal --enable-coverage
             moonc build-package ./0/lib.mbt ./0/y.wasm-gc.mbt ./target/wasm-gc/debug/test/0/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/0/0.internal_test.core -pkg moonbitlang/core/0 -is-main -pkg-sources moonbitlang/core/0:./0 -target wasm-gc -g -enable-coverage
@@ -3679,7 +3679,7 @@ fn test_moon_test_release() {
         get_stdout(&dir, ["test", "--dry-run", "--sort-input"]),
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g
+            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.whitebox_test.core -main username/hello/lib -o ./target/wasm-gc/debug/test/lib/lib.whitebox_test.wasm -test-mode -pkg-sources username/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -g
@@ -3691,7 +3691,7 @@ fn test_moon_test_release() {
         get_stdout(&dir, ["test", "--release", "--dry-run", "--sort-input"]),
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/release/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind whitebox
-            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/release/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/release/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc
+            moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/wasm-gc/release/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/release/test/lib/lib.whitebox_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc -whitebox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/release/test/lib/lib.whitebox_test.core -main username/hello/lib -o ./target/wasm-gc/release/test/lib/lib.whitebox_test.wasm -test-mode -pkg-sources username/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/release/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./lib/hello.mbt ./target/wasm-gc/release/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/release/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc
@@ -3718,12 +3718,12 @@ fn test_backtrace() {
     let dir = TestDir::new("backtrace.in");
 
     let out = get_err_stderr(&dir, ["run", "main"]);
-    assert!(!out.contains("main.foo.fn"));
-    assert!(!out.contains("main.bar.fn"));
+    assert!(!out.contains("main.foo"));
+    assert!(!out.contains("main.bar"));
 
     let out = get_err_stderr(&dir, ["run", "main", "--debug"]);
-    assert!(out.contains("main.foo.fn"));
-    assert!(out.contains("main.bar.fn"));
+    assert!(out.contains("main.foo"));
+    assert!(out.contains("main.bar"));
 }
 
 #[test]
@@ -4843,11 +4843,11 @@ fn test_blackbox_success() {
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind blackbox
             moonc build-package ./A/hello.mbt -o ./target/wasm-gc/debug/test/A/A.core -pkg username/hello/A -i ./target/wasm-gc/debug/test/D/D.mi:D -pkg-sources username/hello/A:./A -target wasm-gc -g
             moonc build-package ./C/hello.mbt -o ./target/wasm-gc/debug/test/C/C.core -pkg username/hello/C -pkg-sources username/hello/C:./C -target wasm-gc -g
-            moonc build-package ./A/hello_test.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/A/A.blackbox_test.core -pkg username/hello/A_blackbox_test -is-main -i ./target/wasm-gc/debug/test/A/A.mi:A -i ./target/wasm-gc/debug/test/D/D.mi:D -i ./target/wasm-gc/debug/test/C/C.mi:C -pkg-sources username/hello/A_blackbox_test:./A -target wasm-gc -g
+            moonc build-package ./A/hello_test.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/A/A.blackbox_test.core -pkg username/hello/A_blackbox_test -is-main -i ./target/wasm-gc/debug/test/A/A.mi:A -i ./target/wasm-gc/debug/test/D/D.mi:D -i ./target/wasm-gc/debug/test/C/C.mi:C -pkg-sources username/hello/A_blackbox_test:./A -target wasm-gc -g -blackbox-test
             moonc link-core ./target/wasm-gc/debug/test/D/D.core ./target/wasm-gc/debug/test/C/C.core ./target/wasm-gc/debug/test/A/A.core ./target/wasm-gc/debug/test/A/A.blackbox_test.core -main username/hello/A_blackbox_test -o ./target/wasm-gc/debug/test/A/A.blackbox_test.wasm -test-mode -pkg-sources username/hello/D:./D -pkg-sources username/hello/C:./C -pkg-sources username/hello/A:./A -pkg-sources username/hello/A_blackbox_test:./A -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind whitebox
             moonc build-package ./B/hello.mbt -o ./target/wasm-gc/debug/test/B/B.core -pkg username/hello/B -pkg-sources username/hello/B:./B -target wasm-gc -g
-            moonc build-package ./A/hello.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -i ./target/wasm-gc/debug/test/D/D.mi:D -i ./target/wasm-gc/debug/test/B/B.mi:B -pkg-sources username/hello/A:./A -target wasm-gc -g
+            moonc build-package ./A/hello.mbt ./A/hello_wbtest.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_whitebox_test.mbt -o ./target/wasm-gc/debug/test/A/A.whitebox_test.core -pkg username/hello/A -is-main -i ./target/wasm-gc/debug/test/D/D.mi:D -i ./target/wasm-gc/debug/test/B/B.mi:B -pkg-sources username/hello/A:./A -target wasm-gc -g -whitebox-test
             moonc link-core ./target/wasm-gc/debug/test/D/D.core ./target/wasm-gc/debug/test/B/B.core ./target/wasm-gc/debug/test/A/A.whitebox_test.core -main username/hello/A -o ./target/wasm-gc/debug/test/A/A.whitebox_test.wasm -test-mode -pkg-sources username/hello/D:./D -pkg-sources username/hello/B:./B -pkg-sources username/hello/A:./A -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/A --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./A/hello.mbt ./target/wasm-gc/debug/test/A/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/A/A.internal_test.core -pkg username/hello/A -is-main -i ./target/wasm-gc/debug/test/D/D.mi:D -pkg-sources username/hello/A:./A -target wasm-gc -g
@@ -4894,9 +4894,9 @@ fn test_blackbox_success() {
             moonc check ./D/hello.mbt -o ./target/wasm-gc/release/check/D/D.mi -pkg username/hello/D -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/D:./D -target wasm-gc
             moonc check ./A/hello.mbt -o ./target/wasm-gc/release/check/A/A.mi -pkg username/hello/A -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/D/D.mi:D -pkg-sources username/hello/A:./A -target wasm-gc
             moonc check ./C/hello.mbt -o ./target/wasm-gc/release/check/C/C.mi -pkg username/hello/C -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/C:./C -target wasm-gc
-            moonc check ./A/hello_test.mbt -o ./target/wasm-gc/release/check/A/A.blackbox_test.mi -pkg username/hello/A_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/A/A.mi:A -i ./target/wasm-gc/release/check/D/D.mi:D -i ./target/wasm-gc/release/check/C/C.mi:C -pkg-sources username/hello/A_blackbox_test:./A -target wasm-gc
+            moonc check ./A/hello_test.mbt -o ./target/wasm-gc/release/check/A/A.blackbox_test.mi -pkg username/hello/A_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/A/A.mi:A -i ./target/wasm-gc/release/check/D/D.mi:D -i ./target/wasm-gc/release/check/C/C.mi:C -pkg-sources username/hello/A_blackbox_test:./A -target wasm-gc -blackbox-test
             moonc check ./B/hello.mbt -o ./target/wasm-gc/release/check/B/B.mi -pkg username/hello/B -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/B:./B -target wasm-gc
-            moonc check ./A/hello.mbt ./A/hello_wbtest.mbt -o ./target/wasm-gc/release/check/A/A.whitebox_test.mi -pkg username/hello/A -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/D/D.mi:D -i ./target/wasm-gc/release/check/B/B.mi:B -pkg-sources username/hello/A:./A -target wasm-gc
+            moonc check ./A/hello.mbt ./A/hello_wbtest.mbt -o ./target/wasm-gc/release/check/A/A.whitebox_test.mi -pkg username/hello/A -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/D/D.mi:D -i ./target/wasm-gc/release/check/B/B.mi:B -pkg-sources username/hello/A:./A -target wasm-gc -whitebox-test
         "#]],
     );
 
@@ -5146,7 +5146,7 @@ fn test_blackbox_test_core_override() {
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/builtin --target wasm-gc --driver-kind blackbox --enable-coverage --coverage-package-override=@self
             moonc build-package ./builtin/main.mbt -o ./target/wasm-gc/debug/test/builtin/builtin.core -pkg moonbitlang/core/builtin -pkg-sources moonbitlang/core/builtin:./builtin -target wasm-gc -g -enable-coverage -coverage-package-override=@self
-            moonc build-package ./builtin/main_test.mbt ./target/wasm-gc/debug/test/builtin/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/builtin/builtin.blackbox_test.core -pkg moonbitlang/core/builtin_blackbox_test -is-main -i ./target/wasm-gc/debug/test/builtin/builtin.mi:builtin -pkg-sources moonbitlang/core/builtin_blackbox_test:./builtin -target wasm-gc -g -enable-coverage -coverage-package-override=moonbitlang/core/builtin
+            moonc build-package ./builtin/main_test.mbt ./target/wasm-gc/debug/test/builtin/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/builtin/builtin.blackbox_test.core -pkg moonbitlang/core/builtin_blackbox_test -is-main -i ./target/wasm-gc/debug/test/builtin/builtin.mi:builtin -pkg-sources moonbitlang/core/builtin_blackbox_test:./builtin -target wasm-gc -g -enable-coverage -coverage-package-override=moonbitlang/core/builtin -blackbox-test
             moonc link-core ./target/wasm-gc/debug/test/builtin/builtin.core ./target/wasm-gc/debug/test/builtin/builtin.blackbox_test.core -main moonbitlang/core/builtin_blackbox_test -o ./target/wasm-gc/debug/test/builtin/builtin.blackbox_test.wasm -test-mode -pkg-sources moonbitlang/core/builtin:./builtin -pkg-sources moonbitlang/core/builtin_blackbox_test:./builtin -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package moonbitlang/core/builtin --target wasm-gc --driver-kind internal --enable-coverage --coverage-package-override=@self
             moonc build-package ./builtin/main.mbt ./target/wasm-gc/debug/test/builtin/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/builtin/builtin.internal_test.core -pkg moonbitlang/core/builtin -is-main -pkg-sources moonbitlang/core/builtin:./builtin -target wasm-gc -g -enable-coverage -coverage-package-override=@self
@@ -5970,7 +5970,7 @@ fn test_specify_source_dir_001() {
         expect![[r#"
             moonc check ./src/lib/hello.mbt -o ./target/wasm-gc/release/check/lib/lib.mi -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc
             moonc check ./src/main/main.mbt -o ./target/wasm-gc/release/check/main/main.mi -pkg username/hello/main -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target wasm-gc
-            moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc
+            moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -blackbox-test
         "#]],
     );
     check(
@@ -5986,7 +5986,7 @@ fn test_specify_source_dir_001() {
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind blackbox
             moonc build-package ./src/lib/hello.mbt -o ./target/wasm-gc/debug/test/lib/lib.core -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc -g
-            moonc build-package ./src/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -g
+            moonc build-package ./src/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -g -blackbox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.core ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -main username/hello/lib_blackbox_test -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.wasm -test-mode -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./src/lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc -g
@@ -6211,8 +6211,8 @@ fn test_specify_source_dir_with_deps() {
             moonc check ./deps/hello19/source/top.mbt -o ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.mi -pkg just/hello19 -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources just/hello19:./deps/hello19/source -target wasm-gc
             moonc check ./deps/hello19/source/lib/hello.mbt -o ./target/wasm-gc/release/check/.mooncakes/just/hello19/lib/lib.mi -pkg just/hello19/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources just/hello19/lib:./deps/hello19/source/lib -target wasm-gc
             moonc check ./anyhow/main/main.mbt -o ./target/wasm-gc/release/check/main/main.mi -pkg username/hello/main -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:emmm -i ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.mi:hello19 -i ./target/wasm-gc/release/check/.mooncakes/just/hello19/lib/lib.mi:lib -pkg-sources username/hello/main:./anyhow/main -target wasm-gc
-            moonc check ./anyhow/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./anyhow/lib -target wasm-gc
-            moonc check ./deps/hello19/source/top_test.mbt -o ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.blackbox_test.mi -pkg just/hello19_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.mi:hello19 -pkg-sources just/hello19_blackbox_test:./deps/hello19/source -target wasm-gc
+            moonc check ./anyhow/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./anyhow/lib -target wasm-gc -blackbox-test
+            moonc check ./deps/hello19/source/top_test.mbt -o ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.blackbox_test.mi -pkg just/hello19_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/.mooncakes/just/hello19/hello19.mi:hello19 -pkg-sources just/hello19_blackbox_test:./deps/hello19/source -target wasm-gc -blackbox-test
         "#]],
     );
     check(
@@ -6230,7 +6230,7 @@ fn test_specify_source_dir_with_deps() {
         expect![[r#"
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind blackbox
             moonc build-package ./anyhow/lib/hello.mbt -o ./target/wasm-gc/debug/test/lib/lib.core -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./anyhow/lib -target wasm-gc -g
-            moonc build-package ./anyhow/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./anyhow/lib -target wasm-gc -g
+            moonc build-package ./anyhow/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./anyhow/lib -target wasm-gc -g -blackbox-test
             moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.core ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -main username/hello/lib_blackbox_test -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.wasm -test-mode -pkg-sources username/hello/lib:./anyhow/lib -pkg-sources username/hello/lib_blackbox_test:./anyhow/lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
             moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
             moonc build-package ./anyhow/lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./anyhow/lib -target wasm-gc -g
@@ -6726,7 +6726,7 @@ fn test_moon_doc_dry_run() {
         expect![[r#"
             moonc check ./src/lib/hello.mbt -o ./target/wasm-gc/release/check/lib/lib.mi -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc
             moonc check ./src/main/main.mbt -o ./target/wasm-gc/release/check/main/main.mi -pkg username/hello/main -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target wasm-gc
-            moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc
+            moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -blackbox-test
             moondoc $ROOT -o $ROOT/target/doc -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -packages-json $ROOT/target/packages.json
         "#]],
     );
@@ -7266,7 +7266,7 @@ fn test_use_cc_for_native_release() {
             ),
             expect![[r#"
                 moon generate-test-driver --source-dir . --target-dir ./target/native/release/test --package moonbitlang/hello/lib --sort-input --target native --driver-kind whitebox
-                moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/native/release/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/native/release/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native
+                moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/native/release/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/native/release/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native -whitebox-test
                 moonc link-core $MOON_HOME/lib/core/target/native/release/bundle/core.core ./target/native/release/test/lib/lib.whitebox_test.core -main moonbitlang/hello/lib -o ./target/native/release/test/lib/lib.whitebox_test.exe -test-mode -pkg-sources moonbitlang/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target native -cc "cc $MOON_HOME/bin/libmoonbitrun.o -O2 -fwrapv" -cc-link-flags -lm
                 moon generate-test-driver --source-dir . --target-dir ./target/native/release/test --package moonbitlang/hello/lib --sort-input --target native --driver-kind internal
                 moonc build-package ./lib/hello.mbt ./target/native/release/test/lib/__generated_driver_for_internal_test.mbt -o ./target/native/release/test/lib/lib.internal_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native
@@ -7287,7 +7287,7 @@ fn test_use_cc_for_native_release() {
             ),
             expect![[r#"
                 moon generate-test-driver --source-dir . --target-dir ./target/native/debug/test --package moonbitlang/hello/lib --sort-input --target native --driver-kind whitebox
-                moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/native/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/native/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native -g
+                moonc build-package ./lib/hello.mbt ./lib/hello_wbtest.mbt ./target/native/debug/test/lib/__generated_driver_for_whitebox_test.mbt -o ./target/native/debug/test/lib/lib.whitebox_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native -g -whitebox-test
                 moonc link-core $MOON_HOME/lib/core/target/native/release/bundle/core.core ./target/native/debug/test/lib/lib.whitebox_test.core -main moonbitlang/hello/lib -o ./target/native/debug/test/lib/lib.whitebox_test.exe -test-mode -pkg-sources moonbitlang/hello/lib:./lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target native -g
                 moon generate-test-driver --source-dir . --target-dir ./target/native/debug/test --package moonbitlang/hello/lib --sort-input --target native --driver-kind internal
                 moonc build-package ./lib/hello.mbt ./target/native/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/native/debug/test/lib/lib.internal_test.core -pkg moonbitlang/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/native/release/bundle -pkg-sources moonbitlang/hello/lib:./lib -target native -g
diff --git a/crates/moon/tests/test_cases/specify_source_dir_001.in/moon.test b/crates/moon/tests/test_cases/specify_source_dir_001.in/moon.test
index 42adce55..6aac521a 100644
--- a/crates/moon/tests/test_cases/specify_source_dir_001.in/moon.test
+++ b/crates/moon/tests/test_cases/specify_source_dir_001.in/moon.test
@@ -1,7 +1,7 @@
   $ moon check --dry-run --sort-input
   moonc check ./src/lib/hello.mbt -o ./target/wasm-gc/release/check/lib/lib.mi -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc
   moonc check ./src/main/main.mbt -o ./target/wasm-gc/release/check/main/main.mi -pkg username/hello/main -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/main:./src/main -target wasm-gc
-  moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc
+  moonc check ./src/lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -blackbox-test
   
   $ moon build --dry-run --sort-input
   moonc build-package ./src/lib/hello.mbt -o ./target/wasm-gc/release/build/lib/lib.core -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc
@@ -11,7 +11,7 @@
   $ moon test --dry-run --sort-input
   moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind blackbox
   moonc build-package ./src/lib/hello.mbt -o ./target/wasm-gc/debug/test/lib/lib.core -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc -g
-  moonc build-package ./src/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -g
+  moonc build-package ./src/lib/hello_test.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_blackbox_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -pkg username/hello/lib_blackbox_test -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/debug/test/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -target wasm-gc -g -blackbox-test
   moonc link-core $MOON_HOME/lib/core/target/wasm-gc/release/bundle/core.core ./target/wasm-gc/debug/test/lib/lib.core ./target/wasm-gc/debug/test/lib/lib.blackbox_test.core -main username/hello/lib_blackbox_test -o ./target/wasm-gc/debug/test/lib/lib.blackbox_test.wasm -test-mode -pkg-sources username/hello/lib:./src/lib -pkg-sources username/hello/lib_blackbox_test:./src/lib -pkg-sources moonbitlang/core:$MOON_HOME/lib/core -exported_functions moonbit_test_driver_internal_execute -target wasm-gc -g
   moon generate-test-driver --source-dir . --target-dir ./target/wasm-gc/debug/test --package username/hello/lib --sort-input --target wasm-gc --driver-kind internal
   moonc build-package ./src/lib/hello.mbt ./target/wasm-gc/debug/test/lib/__generated_driver_for_internal_test.mbt -o ./target/wasm-gc/debug/test/lib/lib.internal_test.core -pkg username/hello/lib -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./src/lib -target wasm-gc -g
diff --git a/crates/moon/tests/test_cases/test_deny_warn.in/lib/hello.mbt b/crates/moon/tests/test_cases/test_deny_warn.in/lib/hello.mbt
index be6fb4f8..5b3feee2 100644
--- a/crates/moon/tests/test_cases/test_deny_warn.in/lib/hello.mbt
+++ b/crates/moon/tests/test_cases/test_deny_warn.in/lib/hello.mbt
@@ -21,3 +21,7 @@ fn alert_1() -> Unit {
 /// @alert alert_2 "alert_2"
 fn alert_2() -> Unit {
 }
+
+pub fn hello() -> Unit {
+}
+
diff --git a/crates/moon/tests/test_cases/test_deny_warn.in/main/main.mbt b/crates/moon/tests/test_cases/test_deny_warn.in/main/main.mbt
index 1ff0d94b..94bca145 100644
--- a/crates/moon/tests/test_cases/test_deny_warn.in/main/main.mbt
+++ b/crates/moon/tests/test_cases/test_deny_warn.in/main/main.mbt
@@ -1,3 +1,4 @@
 fn main {
   let a = 0
+  @lib.hello()
 }
diff --git a/crates/moon/tests/test_cases/test_dot_source.in/moon.test b/crates/moon/tests/test_cases/test_dot_source.in/moon.test
index 67509ca0..7af4f5ce 100644
--- a/crates/moon/tests/test_cases/test_dot_source.in/moon.test
+++ b/crates/moon/tests/test_cases/test_dot_source.in/moon.test
@@ -1,5 +1,5 @@
   $ moon check --dry-run --sort-input
   moonc check ./lib/hello.mbt -o ./target/wasm-gc/release/check/lib/lib.mi -pkg username/hello/lib -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -pkg-sources username/hello/lib:./lib -target wasm-gc
   moonc check ./main/main.mbt -o ./target/wasm-gc/release/check/main/main.mi -pkg username/hello/main -is-main -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/main:./main -target wasm-gc
-  moonc check ./lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./lib -target wasm-gc
+  moonc check ./lib/hello_test.mbt -o ./target/wasm-gc/release/check/lib/lib.blackbox_test.mi -pkg username/hello/lib_blackbox_test -std-path $MOON_HOME/lib/core/target/wasm-gc/release/bundle -i ./target/wasm-gc/release/check/lib/lib.mi:lib -pkg-sources username/hello/lib_blackbox_test:./lib -target wasm-gc -blackbox-test
   
diff --git a/crates/moon/tests/test_cases/warn_list.in/lib/hello.mbt b/crates/moon/tests/test_cases/warn_list.in/lib/hello.mbt
index 5bc138f8..3f8d839c 100644
--- a/crates/moon/tests/test_cases/warn_list.in/lib/hello.mbt
+++ b/crates/moon/tests/test_cases/warn_list.in/lib/hello.mbt
@@ -1,4 +1,3 @@
-pub fn hello() -> String {
+pub fn hello() -> Unit {
   let a = 0
-  "Hello, world!"
 }
diff --git a/crates/moon/tests/test_cases/warn_list.in/lib1/hello.mbt b/crates/moon/tests/test_cases/warn_list.in/lib1/hello.mbt
index 774951e8..c8fc7921 100644
--- a/crates/moon/tests/test_cases/warn_list.in/lib1/hello.mbt
+++ b/crates/moon/tests/test_cases/warn_list.in/lib1/hello.mbt
@@ -1,5 +1,5 @@
-pub fn hello() -> String {
-  "Hello, world!"
+pub fn hello() -> Unit {
+
 }
 
 fn t() -> Unit {
diff --git a/crates/moon/tests/test_cases/warn_list.in/main/main.mbt b/crates/moon/tests/test_cases/warn_list.in/main/main.mbt
index eb801f97..b8f98c53 100644
--- a/crates/moon/tests/test_cases/warn_list.in/main/main.mbt
+++ b/crates/moon/tests/test_cases/warn_list.in/main/main.mbt
@@ -1,5 +1,7 @@
 fn main {
   let a = 0
+  @lib.hello()
+  @lib1.hello()
 }
 
 fn t() -> Unit {
diff --git a/crates/moonbuild/src/gen/gen_check.rs b/crates/moonbuild/src/gen/gen_check.rs
index 8c4f19f5..1193b591 100644
--- a/crates/moonbuild/src/gen/gen_check.rs
+++ b/crates/moonbuild/src/gen/gen_check.rs
@@ -39,6 +39,8 @@ pub struct CheckDepItem {
     pub package_full_name: String,
     pub package_source_dir: String,
     pub is_main: bool,
+    pub is_whitebox_test: bool,
+    pub is_blackbox_test: bool,
 }
 
 #[derive(Debug)]
@@ -97,6 +99,8 @@ fn pkg_to_check_item(
         package_full_name,
         package_source_dir,
         is_main: pkg.is_main,
+        is_whitebox_test: false,
+        is_blackbox_test: false,
     })
 }
 
@@ -161,6 +165,8 @@ fn pkg_with_wbtest_to_check_item(
         package_full_name,
         package_source_dir,
         is_main: pkg.is_main,
+        is_whitebox_test: true,
+        is_blackbox_test: false,
     })
 }
 
@@ -246,6 +252,8 @@ fn pkg_with_test_to_check_item(
         package_full_name,
         package_source_dir,
         is_main: pkg.is_main,
+        is_whitebox_test: false,
+        is_blackbox_test: true,
     })
 }
 
@@ -364,6 +372,8 @@ pub fn gen_check_command(
             &item.package_full_name, &item.package_source_dir
         ))
         .args(["-target", moonc_opt.build_opt.target_backend.to_flag()])
+        .arg_with_cond(item.is_whitebox_test, "-whitebox-test")
+        .arg_with_cond(item.is_blackbox_test, "-blackbox-test")
         .build();
     log::debug!("Command: {}", command);
     build.cmdline = Some(command);
diff --git a/crates/moonbuild/src/gen/gen_runtest.rs b/crates/moonbuild/src/gen/gen_runtest.rs
index bea80506..b82b28c0 100644
--- a/crates/moonbuild/src/gen/gen_runtest.rs
+++ b/crates/moonbuild/src/gen/gen_runtest.rs
@@ -47,6 +47,8 @@ pub struct RuntestDepItem {
     pub package_source_dir: String,
     pub is_main: bool,
     pub is_third_party: bool,
+    pub is_whitebox_test: bool,
+    pub is_blackbox_test: bool,
 }
 
 #[derive(Debug)]
@@ -181,6 +183,8 @@ pub fn gen_package_core(
         package_source_dir,
         is_main: false,
         is_third_party: pkg.is_third_party,
+        is_whitebox_test: false,
+        is_blackbox_test: false,
     })
 }
 
@@ -248,6 +252,8 @@ pub fn gen_package_internal_test(
         package_source_dir,
         is_main: true,
         is_third_party: pkg.is_third_party,
+        is_whitebox_test: false,
+        is_blackbox_test: false,
     })
 }
 
@@ -323,6 +329,8 @@ pub fn gen_package_whitebox_test(
         package_source_dir,
         is_main: true,
         is_third_party: pkg.is_third_party,
+        is_whitebox_test: true,
+        is_blackbox_test: false,
     })
 }
 
@@ -420,6 +428,8 @@ pub fn gen_package_blackbox_test(
         package_source_dir,
         is_main: true,
         is_third_party: pkg.is_third_party,
+        is_whitebox_test: false,
+        is_blackbox_test: true,
     })
 }
 
@@ -812,6 +822,8 @@ pub fn gen_runtest_build_command(
         // Coverage arg
         .args(coverage_args.iter())
         .args(moonc_opt.extra_build_opt.iter())
+        .arg_with_cond(item.is_whitebox_test, "-whitebox-test")
+        .arg_with_cond(item.is_blackbox_test, "-blackbox-test")
         .build();
     log::debug!("Command: {}", command);
     build.cmdline = Some(command);