summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js')
-rw-r--r--js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
new file mode 100644
index 0000000000..1e6aa07f19
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-dflt-ary-ptrn-rest-id-exhausted.js
@@ -0,0 +1,67 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-dflt.template
+/*---
+description: RestElement applied to an exhausted iterator (class expression async generator method (default parameters))
+esid: sec-class-definitions-runtime-semantics-evaluation
+features: [Symbol.iterator, 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).
+ [...]
+
+
+ 13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+ BindingRestElement : ... BindingIdentifier
+ 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+ environment).
+ 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+ [...]
+ b. If iteratorRecord.[[done]] is true, then
+ i. If environment is undefined, return PutValue(lhs, A).
+ ii. Return InitializeReferencedBinding(lhs, A).
+
+---*/
+
+
+var callCount = 0;
+class C {
+ async *method([, , ...x] = [1, 2]) {
+ assert(Array.isArray(x));
+ assert.sameValue(x.length, 0);
+ callCount = callCount + 1;
+ }
+};
+
+new C().method().next().then(() => {
+ assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);