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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-iter-val.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-iter-val.js b/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-iter-val.js new file mode 100644 index 0000000000..cea92a6f26 --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/let-ary-ptrn-elem-id-iter-val.js @@ -0,0 +1,71 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case +// - src/dstr-binding/default/for-let.template +/*--- +description: SingleNameBinding when value iteration was completed previously (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. + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[done]] to true. + e. Else, + [...] + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set + iteratorRecord.[[done]] to true. + iii. ReturnIfAbrupt(v). + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var iterCount = 0; + +for (let [x, y, z] = [1, 2, 3]; iterCount < 1; ) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 3); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |