Added emtests autogenerated tests

build/emtests.rs

@@ -12,7 +12,8 @@ use std::process::Command;
 static BANNER: &str = "// Rust test file autogenerated with cargo build (build/emtests.rs).
 // Please do NOT modify it by hand, as it will be reseted on next build.\n";
 
-const TESTS: [&str; 1] = [
+const TESTS: [&str; 2] = [
+    "emtests/puts.c",
     "emtests/printf.c"
 ];
 
@@ -43,7 +44,7 @@ pub fn compile(file: &str) -> String {
     let output_str = output_path.to_str().unwrap();
 
     // Compile to wasm
-    Command::new("emcc")
+    let _wasm_compilation = Command::new("emcc")
             .arg(file)
             .arg("-s").arg("WASM=1")
             .arg("-o")
@@ -51,6 +52,10 @@ pub fn compile(file: &str) -> String {
             .output()
             .expect("failed to execute process");
 
+    // panic!("{:?}", wasm_compilation);
+    // if output.stderr {
+    //     panic!("{}", output.stderr);
+    // }
     // Remove js file
     fs::remove_file(output_str).unwrap();
 
@@ -63,6 +68,19 @@ pub fn compile(file: &str) -> String {
     // Write the output to file
     fs::write(output_str, output.stdout).expect("Unable to write file");
 
+    let rust_test_filepath = format!(
+        concat!(env!("CARGO_MANIFEST_DIR"), "/src/emtests/{}.rs"),
+        module_name.as_str()
+    );
+
+    let contents = format!("#[test]
+fn test_{module_name}() {{
+    assert_emscripten_output!(\"../../emtests/{module_name}.wasm\", \"{module_name}\", vec![], \"../../emtests/{module_name}.output\");
+}}
+", module_name=module_name);
+
+    fs::write(&rust_test_filepath, contents.as_bytes()).unwrap();
+
     module_name
     
     // panic!("OUTPUT: {:?}", output);
@@ -78,6 +96,7 @@ pub fn build() {
         modules.push(format!("mod {};", moudle_name));
     }
     modules.insert(0, BANNER.to_string());
+    modules.insert(1, "// The _common module is not autogenerated, as it provides common macros for the emtests\n#[macro_use]\nmod _common;".to_string());
     // We add an empty line
     modules.push("".to_string());