use a new test wasm

Author: lum1n0us

language-bindings/rust/.gitignore

@@ -1 +1 @@
-target/
+**/target/

language-bindings/rust/resources/test/.gitignore

@@ -0,0 +1,8 @@
+[package]
+name = "gcd"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

language-bindings/rust/resources/test/gcd/Cargo.lock

@@ -0,0 +1,16 @@
+#[no_mangle]
+pub fn gcd(m: u32, n: u32) -> u32 {
+    let mut a = m;
+    let mut b = n;
+
+    while b != 0 {
+        (a, b) = (b, a % b)
+    }
+
+    println!("gcd({}, {}) = {}", m, n, a);
+    a
+}
+
+fn main() {
+    println!("Hello, world! Please call gcd(10, 5) to see the result.");
+}

language-bindings/rust/resources/test/gcd/Cargo.toml

@@ -150,6 +150,11 @@ mod tests {
         let call_result = function.call(instance, &params);
         assert!(call_result.is_ok());
         assert_eq!(call_result.unwrap(), WasmValue::I32(9));
+
+        let params: Vec<WasmValue> = vec![WasmValue::I32(128), WasmValue::I32(256)];
+        let call_result = function.call(instance, &params);
+        assert!(call_result.is_ok());
+        assert_eq!(call_result.unwrap(), WasmValue::I32(384));
     }
 
     #[test]
@@ -158,7 +163,7 @@ mod tests {
 
         let mut d = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         d.push("resources/test");
-        d.push("hello_wasm32-wasi.wasm");
+        d.push("gcd_wasm32_wasi.wasm");
         let module = Module::from_file(d.as_path());
         assert!(module.is_ok());
         let mut module = module.unwrap();
@@ -169,11 +174,16 @@ mod tests {
         assert!(instance.is_ok());
         let instance: &Instance = &instance.unwrap();
 
-        let function = Function::find_export_func(instance, "_start");
+        let function = Function::find_export_func(instance, "gcd");
         assert!(function.is_ok());
         let function = function.unwrap();
 
-        let result = function.call(instance, &vec![]);
-        assert!(result.is_ok());
+        let params: Vec<WasmValue> = vec![WasmValue::I32(9), WasmValue::I32(27)];
+        let result = function.call(instance, &params);
+        assert_eq!(result.unwrap(), WasmValue::I32(9));
+
+        let params: Vec<WasmValue> = vec![WasmValue::I32(0), WasmValue::I32(27)];
+        let result = function.call(instance, &params);
+        assert_eq!(result.unwrap(), WasmValue::I32(27));
     }
 }

language-bindings/rust/resources/test/gcd/src/main.rs

@@ -281,7 +281,7 @@ mod tests {
 
         let mut d = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
         d.push("resources/test");
-        d.push("hello_wasm32-wasi.wasm");
+        d.push("gcd_wasm32_wasi.wasm");
         let module = Module::from_file(d.as_path());
         assert!(module.is_ok());
     }