1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js
new file mode 100644
index 0000000000..96c193c3ad
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-private-gen-meth-obj-ptrn-id-init-skipped.js
@@ -0,0 +1,76 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-init-skipped.case
+// - src/dstr-binding/default/cls-decl-async-private-gen-meth.template
+/*---
+description: Destructuring initializer is not evaluated when value is not `undefined` (private class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [class, class-methods-private, async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       AsyncGeneratorBody, scope, strict).
+    [...]
+
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       [...]
+    [...]
+---*/
+var initCount = 0;
+function counter() {
+  initCount += 1;
+}
+
+
+var callCount = 0;
+class C {
+  async * #method({ w = counter(), x = counter(), y = counter(), z = counter() }) {
+    assert.sameValue(w, null);
+    assert.sameValue(x, 0);
+    assert.sameValue(y, false);
+    assert.sameValue(z, '');
+    assert.sameValue(initCount, 0);
+    callCount = callCount + 1;
+  }
+
+  get method() {
+    return this.#method;
+  }
+};
+
+new C().method({ w: null, x: 0, y: false, z: '' }).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);