diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/params-trailing-comma-single.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/params-trailing-comma-single.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/params-trailing-comma-single.js b/js/src/tests/test262/language/statements/async-generator/params-trailing-comma-single.js new file mode 100644 index 0000000000..073dab2edb --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/params-trailing-comma-single.js @@ -0,0 +1,39 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/function-forms/params-trailing-comma-single.case +// - src/function-forms/default/async-gen-func-decl.template +/*--- +description: A trailing comma should not increase the respective length, using a single parameter (async generator function declaration) +esid: sec-asyncgenerator-definitions-instantiatefunctionobject +features: [async-iteration] +flags: [generated, async] +info: | + AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier + ( FormalParameters ) { AsyncGeneratorBody } + + [...] + 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, + scope, strict). + [...] + + + Trailing comma in the parameters list + + 14.1 Function Definitions + + FormalParameters[Yield, Await] : FormalParameterList[?Yield, ?Await] , +---*/ + + +var callCount = 0; +// Stores a reference `ref` for case evaluation +async function* ref(a,) { + assert.sameValue(a, 42); + callCount = callCount + 1; +} + +ref(42, 39).next().then(() => { + assert.sameValue(callCount, 1, 'generator function invoked exactly once'); +}).then($DONE, $DONE); + +assert.sameValue(ref.length, 1, 'length is properly set'); |