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Diffstat (limited to 'js/src/tests/test262/language/expressions/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js b/js/src/tests/test262/language/expressions/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js new file mode 100644 index 0000000000..c7e8e7b87c --- /dev/null +++ b/js/src/tests/test262/language/expressions/class/dstr/async-gen-meth-ary-ptrn-elem-id-init-fn-name-cover.js @@ -0,0 +1,71 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case +// - src/dstr-binding/default/cls-expr-async-gen-meth.template +/*--- +description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (class expression method) +esid: sec-class-definitions-runtime-semantics-evaluation +features: [async-iteration] +flags: [generated, async] +info: | + ClassExpression : class BindingIdentifieropt ClassTail + + 1. If BindingIdentifieropt is not present, let className be undefined. + 2. Else, let className be StringValue of BindingIdentifier. + 3. 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). + [...] + + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 6. If Initializer is present and v is undefined, then + a. Let defaultValue be the result of evaluating Initializer. + b. Let v be GetValue(defaultValue). + c. ReturnIfAbrupt(v). + d. If IsAnonymousFunctionDefinition(Initializer) is true, then + [...] + 7. If environment is undefined, return PutValue(lhs, v). + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + + +var callCount = 0; +var C = class { + async *method([cover = (function () {}), xCover = (0, function() {})]) { + assert.sameValue(cover.name, 'cover'); + assert.notSameValue(xCover.name, 'xCover'); + callCount = callCount + 1; + } +}; + +new C().method([]).next().then(() => { + assert.sameValue(callCount, 1, 'invoked exactly once'); +}).then($DONE, $DONE); |