diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-cover.js new file mode 100644 index 0000000000..27a82ff7ef --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-cover.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-cover.case +// - src/dstr-binding/default/async-gen-func-decl-dflt.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (async generator function declaration (default parameter)) +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({ cover = (function () {}), xCover = (0, function() {}) } = {}) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; +}; +f().next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |