diff options
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/let-ary-ptrn-elision-iter-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/let-ary-ptrn-elision-iter-close.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/let-ary-ptrn-elision-iter-close.js b/js/src/tests/test262/language/statements/for-of/dstr/let-ary-ptrn-elision-iter-close.js new file mode 100644 index 0000000000..5eaef08293 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/let-ary-ptrn-elision-iter-close.js @@ -0,0 +1,55 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elision-iter-close.case +// - src/dstr-binding/iter-close/for-of-let.template +/*--- +description: The iterator is properly consumed by the destructuring pattern (for-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [generators, destructuring-binding] +flags: [generated] +info: | + IterationStatement : + for ( ForDeclaration of AssignmentExpression ) Statement + + [...] + 3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, + lexicalBinding, 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 + [...] + iii. Else, + 1. Assert: lhsKind is lexicalBinding. + 2. Assert: lhs is a ForDeclaration. + 3. Let status be the result of performing BindingInitialization + for lhs passing nextValue and iterationEnv as arguments. + [...] +---*/ +const iter = (function* () { + yield; + yield; +})(); + + +function fn() { + for (let [,] of [iter]) { + return; + } +} + +fn(); + +assert.sameValue(iter.next().done, true, 'iteration occurred as expected'); + + +reportCompare(0, 0); |