diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-done.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-done.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-done.js b/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-done.js new file mode 100644 index 0000000000..cbfae7148d --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-done.js @@ -0,0 +1,57 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case +// - src/dstr-binding/default/for-of-var.template +/*--- +description: SingleNameBinding when value iteration was completed previously (for-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding] +flags: [generated] +info: | + IterationStatement : + for ( var ForBinding of AssignmentExpression ) Statement + + [...] + 3. Return ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult, + varBinding, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 3. Let destructuring be IsDestructuring of lhs. + [...] + 5. Repeat + [...] + h. If destructuring is false, then + [...] + i. Else + i. If lhsKind is assignment, then + [...] + ii. Else if lhsKind is varBinding, then + 1. Assert: lhs is a ForBinding. + 2. Let status be the result of performing BindingInitialization + for lhs passing nextValue and undefined as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializeropt + + [...] + 4. If iteratorRecord.[[done]] is false, then + [...] + 5. If iteratorRecord.[[done]] is true, let v be undefined. + [...] + 8. Return InitializeReferencedBinding(lhs, v). +---*/ + +var iterCount = 0; + +for (var [_, x] of [[]]) { + assert.sameValue(x, undefined); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); |