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Diffstat (limited to 'js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-elision-exhausted.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-elision-exhausted.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-elision-exhausted.js b/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-elision-exhausted.js new file mode 100644 index 0000000000..cf5b500fb9 --- /dev/null +++ b/js/src/tests/test262/language/statements/for/dstr/const-ary-ptrn-elision-exhausted.js @@ -0,0 +1,68 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-exhausted.case +// - src/dstr-binding/default/for-const.template +/*--- +description: Elision accepts exhausted iterator (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 + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + [...] + 2. Return NormalCompletion(empty). + +---*/ +var iter = function*() {}(); +iter.next(); + +var iterCount = 0; + +for (const [,] = iter; iterCount < 1; ) { + + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |