diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-empty.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-empty.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-empty.js new file mode 100644 index 0000000000..d2135e7d4d --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/let-obj-ptrn-empty.js @@ -0,0 +1,61 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-empty.case +// - src/dstr-binding/default/for-let.template +/*--- +description: No property access occurs for an "empty" object binding pattern (for statement) +esid: sec-for-statement-runtime-semantics-labelledevaluation +features: [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. + + Runtime Semantics: BindingInitialization + + ObjectBindingPattern : { } + + 1. Return NormalCompletion(empty). +---*/ +var accessCount = 0; +var obj = Object.defineProperty({}, 'attr', { + get: function() { + accessCount += 1; + } +}); + +var iterCount = 0; + +for (let {} = obj; iterCount < 1; ) { + assert.sameValue(accessCount, 0); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |