diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-class.js')
-rw-r--r-- | js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-class.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-class.js b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-class.js new file mode 100644 index 0000000000..4c1ffddfc3 --- /dev/null +++ b/js/src/tests/test262/language/statements/async-generator/dstr/dflt-obj-ptrn-id-init-fn-name-class.js @@ -0,0 +1,44 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case +// - src/dstr-binding/default/async-gen-func-decl-dflt.template +/*--- +description: SingleNameBinding assigns `name` to "anonymous" classes (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({ cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } = {}) { + assert.sameValue(cls.name, 'cls'); + assert.notSameValue(xCls.name, 'xCls'); + assert.notSameValue(xCls2.name, 'xCls2'); + callCount = callCount + 1; +}; +f().next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |