Greatly reduce amount of generated code

.github/workflows/ci.yaml

@@ -0,0 +1,65 @@
+name: Continuous integration
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+
+jobs:
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: cargo test
+      - run: cargo test --no-default-features --tests
+      - run: cargo test --all-features
+
+  fuzz-tests:
+    name: Fuzz tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          override: true
+      - run: cargo install cargo-fuzz
+      - run: for fuzz_test in `cargo fuzz list`; do cargo fuzz run $fuzz_test -- -max_total_time=60 -detect_leaks=0 -len_control=0 || exit 1; done
+
+  lint:
+    name: Rustfmt & Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+      # This is a legacy codebase and clippy has a lot of complaints, disable it for now
+      # - run: rustup component add clippy
+      # - uses: actions-rs/cargo@v1
+      #   with:
+      #     command: clippy
+      #     args: -- -D warnings

fuzz/Cargo.toml

@@ -10,6 +10,11 @@ cargo-fuzz = true
 
 [dependencies.serde_cbor]
 path = ".."
+
+[dependencies.serde_cbor_original]
+git = "https://github.com/pyfisch/cbor.git"
+package = "serde_cbor"
+
 [dependencies.libfuzzer-sys]
 git = "https://github.com/rust-fuzz/libfuzzer-sys.git"
 

fuzz/fuzz_targets/from_reader.rs

@@ -5,6 +5,9 @@ extern crate serde_cbor;
 use serde_cbor::Value;
 
 fuzz_target!(|data: &[u8]| {
-    let mut data = data;
-    let _ = serde_cbor::from_reader::<Value, _>(&mut data);
+    let mut data1 = data;
+    let mut data2 = data;
+    let new = serde_cbor::from_reader::<Value, _>(&mut data1).map_err(|_| ());
+    let original = serde_cbor_original::from_reader::<Value, _>(&mut data2).map_err(|_| ());
+    assert_eq!(new, original);
 });

fuzz/fuzz_targets/from_slice.rs

@@ -5,5 +5,11 @@ extern crate serde_cbor;
 use serde_cbor::Value;
 
 fuzz_target!(|data: &[u8]| {
-    let _ = serde_cbor::from_slice::<Value>(data);
+    let new = serde_cbor::from_slice::<Value>(data).map_err(|_| ());
+    let original = serde_cbor_original::from_slice::<Value>(data).map_err(|_| ());
+    assert_eq!(new, original);
+    assert_eq!(
+        new.and_then(|v| serde_cbor::to_vec(&v).map_err(|_| ())),
+        original.and_then(|v| serde_cbor_original::to_vec(&v).map_err(|_| ())),
+    );
 });