Port Set tests to wasm

crates/js-sys/tests/wasm/Set.rs

@@ -0,0 +1,82 @@
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_test::*;
+use js_sys::*;
+
+fn set2vec(s: &Set) -> Vec<JsValue> {
+    let mut result = Vec::new();
+    s.for_each(&mut |x, _, _| result.push(x));
+    return result
+}
+
+#[wasm_bindgen_test]
+fn add() {
+    let set = Set::new(&JsValue::undefined());
+    set.add(&100.into());
+    assert_eq!(set.size(), 1);
+    assert_eq!(set2vec(&set)[0], 100);
+}
+
+#[wasm_bindgen_test]
+fn clear() {
+    let set = Set::new(&JsValue::undefined());
+    set.add(&1.into());
+    set.add(&2.into());
+    set.add(&3.into());
+    assert_eq!(set.size(), 3);
+    set.clear();
+    assert_eq!(set.size(), 0);
+}
+
+#[wasm_bindgen_test]
+fn delete() {
+    let set = Set::new(&JsValue::undefined());
+    set.add(&1.into());
+    set.add(&2.into());
+    set.add(&3.into());
+
+    assert!(set.delete(&3.into()));
+    assert!(!set.delete(&3.into()));
+    assert!(!set.delete(&4.into()));
+}
+
+#[wasm_bindgen_test]
+fn for_each() {
+    let set = Set::new(&JsValue::undefined());
+    set.add(&1.into());
+    set.add(&2.into());
+    set.add(&3.into());
+
+    let v = set2vec(&set);
+    assert_eq!(v.len(), 3);
+    assert!(v.iter().any(|v| *v == 1));
+    assert!(v.iter().any(|v| *v == 2));
+    assert!(v.iter().any(|v| *v == 3));
+}
+
+#[wasm_bindgen_test]
+fn has() {
+    let set = Set::new(&JsValue::undefined());
+    set.add(&1.into());
+    set.add(&2.into());
+    set.add(&3.into());
+
+    assert!(set.has(&1.into()));
+    assert!(!set.has(&1.3.into()));
+}
+
+#[wasm_bindgen_test]
+fn new() {
+    assert_eq!(Set::new(&JsValue::undefined()).size(), 0);
+}
+
+#[wasm_bindgen_test]
+fn size() {
+    let set = Set::new(&JsValue::undefined());
+    assert_eq!(set.size(), 0);
+    set.add(&1.into());
+    assert_eq!(set.size(), 1);
+    set.add(&2.into());
+    assert_eq!(set.size(), 2);
+    set.add(&3.into());
+    assert_eq!(set.size(), 3);
+}