diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/dstr/obj-ptrn-id-init-fn-name-fn.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/dstr/obj-ptrn-id-init-fn-name-fn.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/obj-ptrn-id-init-fn-name-fn.js b/js/src/tests/test262/language/statements/async-generator/dstr/obj-ptrn-id-init-fn-name-fn.js new file mode 100644 index 0000000000..1ccd8761ae --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/dstr/obj-ptrn-id-init-fn-name-fn.js @@ -0,0 +1,43 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case +// - src/dstr-binding/default/async-gen-func-decl.template +/*--- +description: SingleNameBinding assigns name to "anonymous" functions (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). + [...] + + + 13.3.3.7 Runtime Semantics: KeyedBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + [...] + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + i. Let hasNameProperty be HasOwnProperty(v, "name"). + ii. ReturnIfAbrupt(hasNameProperty). + iii. If hasNameProperty is false, perform SetFunctionName(v, + bindingId). +---*/ + + +var callCount = 0; +async function* f({ fn = function () {}, xFn = function x() {} }) { + assert.sameValue(fn.name, 'fn'); + assert.notSameValue(xFn.name, 'xFn'); + callCount = callCount + 1; +}; +f({}).next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |