diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/var-obj-ptrn-empty.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/var-obj-ptrn-empty.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/var-obj-ptrn-empty.js b/js/src/tests/test262/language/statements/for/dstr/var-obj-ptrn-empty.js new file mode 100644 index 0000000000..de5dd79e18 --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/var-obj-ptrn-empty.js @@ -0,0 +1,54 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/obj-ptrn-empty.case +// - src/dstr-binding/default/for-var.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 ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement + + 1. Let varDcl be the result of evaluating VariableDeclarationList. + [...] + + 13.3.2.4 Runtime Semantics: Evaluation + + VariableDeclarationList : VariableDeclarationList , VariableDeclaration + + 1. Let next be the result of evaluating VariableDeclarationList. + 2. ReturnIfAbrupt(next). + 3. Return the result of evaluating VariableDeclaration. + + VariableDeclaration : BindingPattern Initializer + + 1. Let rhs be the result of evaluating Initializer. + 2. Let rval be GetValue(rhs). + 3. ReturnIfAbrupt(rval). + 4. Return the result of performing BindingInitialization for BindingPattern + passing rval and undefined as 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 (var {} = obj; iterCount < 1; ) { + assert.sameValue(accessCount, 0); + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |