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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js new file mode 100644 index 0000000000..a84e93b285 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/async-gen-method/params-trailing-comma-single.js @@ -0,0 +1,65 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/function-forms/params-trailing-comma-single.case +// - src/function-forms/default/cls-decl-async-gen-meth.template +/*--- +description: A trailing comma should not increase the respective length, using a single parameter (class declaration async generator method) +esid: sec-class-definitions-runtime-semantics-evaluation +features: [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). + [...] + + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , +---*/ + +var callCount = 0; +class C { + async *method(a,) { + assert.sameValue(a, 42); + callCount = callCount + 1; + } +} + +// Stores a reference `ref` for case evaluation +var ref = C.prototype.method; + +ref(42, 39).next().then(() => { + assert.sameValue(callCount, 1, 'method invoked exactly once'); +}).then($DONE, $DONE); + +assert.sameValue(ref.length, 1, 'length is properly set'); |