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-rw-r--r--js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js
new file mode 100644
index 0000000000..e8bb916fdc
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-generator/dstr/dflt-obj-ptrn-empty.js
@@ -0,0 +1,43 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-empty.case
+// - src/dstr-binding/default/async-gen-func-expr-dflt.template
+/*---
+description: No property access occurs for an "empty" object binding pattern (async generator function expression (default parameter))
+esid: sec-asyncgenerator-definitions-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+ AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
+ AsyncGeneratorBody }
+
+ [...]
+ 3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
+ AsyncGeneratorBody, scope, strict).
+ [...]
+
+
+ Runtime Semantics: BindingInitialization
+
+ ObjectBindingPattern : { }
+
+ 1. Return NormalCompletion(empty).
+---*/
+var accessCount = 0;
+var obj = Object.defineProperty({}, 'attr', {
+ get: function() {
+ accessCount += 1;
+ }
+});
+
+
+var callCount = 0;
+var f;
+f = async function*({} = obj) {
+ assert.sameValue(accessCount, 0);
+ callCount = callCount + 1;
+};
+
+f().next().then(() => {
+ assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);