Add not (yet) supported test case involving tuples (#7)

.travis.yml

@@ -16,4 +16,5 @@ script:
   - cd testcases/mainarg_clone/ && cargo run && cd ../../
   - cargo run -- testcases/string_manipulation/string_manipulation.ohuao testcases/string_manipulation/string_manipulation.type-dump testcases/string_manipulation/src/
   - cd testcases/string_manipulation/ && cargo run && cd ../../
-
+#  - cargo run -- testcases/tuple_values/tuple_values.ohuao testcases/tuple_values/tuple_values.type-dump testcases/tuple_values/src/
+#  - # cd testcases/tuple_values/ && cargo run && cd ../../

src/typecasts.rs

@@ -34,6 +34,9 @@ fn get_argument_types(fn_name: String) -> Vec<String> {
         "strings::count" => vec![String::from("String"), String::from("usize")],
         "mainclone::calc" => vec![String::from("i32")],
         "mainclone::double" => vec![String::from("i32")],
+        "tuples::append_to_string" => vec![String::from("String"), String::from("i32")],
+        "tuples::extend_string" => vec![String::from("String")],
+        "tuples::output_values" => vec![String::from("i32"), String::from("String"), String::from("(i32, String, usize)")],
         _ => vec![],
     }
 }

testcases/tuple_values/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "tuple_values"
+version = "0.1.0"
+authors = ["Felix Wittwer <[email protected]>"]
+
+[dependencies]

testcases/tuple_values/src/main.rs

@@ -0,0 +1,8 @@
+mod ohua_runtime;
+mod tuples;
+
+fn main() {
+    let (num, text, num2) = ohua_runtime::ohua_main(String::from("The number is zero."), 42);
+
+    println!("Number: {} (84), string: {}, number 2: {}", num, text, num2)
+}

testcases/tuple_values/src/tuples.rs

@@ -0,0 +1,12 @@
+pub fn append_to_string(input_string: String, input_number: i32) -> String {
+    input_string.replace("zero", input_number.to_string().as_str())
+}
+
+pub fn extend_string(intermediate: String) -> String {
+    intermediate + " Or is it?"
+}
+
+pub fn output_values(input_number: i32, extended_string: String) -> (i32, String, usize) {
+    let length = extended_string.len();
+    (input_number, extended_string, length)
+}

testcases/tuple_values/tuple_values.ohuac

@@ -0,0 +1,9 @@
+ns some_ns;
+
+use sf tuples (append_to_string, extend_string, output_values);
+
+fn main(input_number: i32, input_string: String) -> (i32, String, usize) {
+    let intermediate = append_to_string(input_string, input_number);
+    let extended = extend_string(intermediate);
+    output_values(input_number, extended)
+}