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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js new file mode 100644 index 0000000000..9894c4ce57 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/array-elem-trlg-iter-elision-iter-nrml-close-skip.js @@ -0,0 +1,70 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/array-elem-trlg-iter-elision-iter-nrml-close-skip.case +// - src/dstr-assignment/default/for-of.template +/*--- +description: IteratorClose not invoked when elision exhausts the iterator (For..of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [Symbol.iterator, destructuring-binding] +flags: [generated] +info: | + IterationStatement : + for ( LeftHandSideExpression of AssignmentExpression ) Statement + + 1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« », + AssignmentExpression, iterate). + 2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement, + keyResult, assignment, labelSet). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 4. If destructuring is true and if lhsKind is assignment, then + a. Assert: lhs is a LeftHandSideExpression. + b. Let assignmentPattern be the parse of the source text corresponding to + lhs using AssignmentPattern as the goal symbol. + [...] + + ArrayAssignmentPattern : + [ AssignmentElementList , Elisionopt AssignmentRestElementopt ] + + [...] + 6. If Elision is present, then + a. Let status be the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with + iteratorRecord as the argument. + b. If status is an abrupt completion, then + [...] + 8. If iteratorRecord.[[done]] is false, return IteratorClose(iterator, + status). + 9. Return Completion(status). + +---*/ +var nextCount = 0; +var returnCount = 0; +var iterable = {}; +var x; +var iterator = { + next: function() { + nextCount += 1; + + return { done: nextCount > 1 }; + }, + return: function() { + returnCount += 1; + } +}; +iterable[Symbol.iterator] = function() { + return iterator; +}; + +var counter = 0; + +for ([ x , , ] of [iterable]) { + assert.sameValue(nextCount, 2); + assert.sameValue(returnCount, 0); + counter += 1; +} + +assert.sameValue(counter, 1); + +reportCompare(0, 0); |