Tests

mist-test/src/items/trait_test.mist

@@ -0,0 +1,39 @@
+trait Speak {
+    String speak(self*);
+}
+
+struct Dog {
+    String name,
+}
+
+impl Speak for Dog {
+    String speak(self*) {
+        "woof"
+    }
+}
+
+pub void test_trait_impl() {
+    let d = Dog { name: "Rex" };
+    assert_eq!(d.speak(), "woof");
+}
+
+trait Greet : Speak {
+    String greet(self*);
+}
+
+impl Greet for Dog {
+    String greet(self*) {
+        "hello"
+    }
+}
+
+pub void test_trait_with_requirement() {
+    let d = Dog { name: "Buddy" };
+    assert_eq!(d.speak(), "woof");
+    assert_eq!(d.greet(), "hello");
+}
+
+pub void run_tests() {
+    test_trait_impl();
+    test_trait_with_requirement();
+}