diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-gen.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-gen.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-gen.js b/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-gen.js new file mode 100644 index 0000000000..4e070e3c7e --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-init-fn-name-gen.js @@ -0,0 +1,65 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case +// - src/dstr-binding/default/for-let.template +/*--- +description: SingleNameBinding assigns name to "anonymous" generator functions (for statement) +esid: sec-for-statement-runtime-semantics-labelledevaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + IterationStatement : + for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement + + [...] + 7. Let forDcl be the result of evaluating LexicalDeclaration. + [...] + + LexicalDeclaration : LetOrConst BindingList ; + + 1. Let next be the result of evaluating BindingList. + 2. ReturnIfAbrupt(next). + 3. Return NormalCompletion(empty). + + BindingList : BindingList , LexicalBinding + + 1. Let next be the result of evaluating BindingList. + 2. ReturnIfAbrupt(next). + 3. Return the result of evaluating LexicalBinding. + + LexicalBinding : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let value be GetValue(rhs). + 3. ReturnIfAbrupt(value). + 4. Let env be the running execution context’s LexicalEnvironment. + 5. Return the result of performing BindingInitialization for BindingPattern + using value and env as the arguments. + + 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 iterCount = 0; + +for (let [gen = function* () {}, xGen = function* x() {}] = []; iterCount < 1; ) { + assert.sameValue(gen.name, 'gen'); + assert.notSameValue(xGen.name, 'xGen'); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |