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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-rest-iter-thrw-close.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.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-rest-iter-thrw-close.js')
-rw-r--r-- | js/src/tests/test262/language/statements/for-of/dstr/array-rest-iter-thrw-close.js | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-rest-iter-thrw-close.js b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-iter-thrw-close.js new file mode 100644 index 0000000000..8d50a51a9e --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-iter-thrw-close.js @@ -0,0 +1,93 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/array-rest-iter-thrw-close.case +// - src/dstr-assignment/error/for-of.template +/*--- +description: IteratorClose is called when reference evaluation produces a "throw" completion (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 : [ Elisionopt AssignmentRestElement ] + + [...] + 5. Let result be the result of performing + IteratorDestructuringAssignmentEvaluation of AssignmentRestElement with + iteratorRecord as the argument + 6. If iteratorRecord.[[done]] is false, return IteratorClose(iterator, + result). + + AssignmentRestElement[Yield] : ... DestructuringAssignmentTarget + + 1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an + ArrayLiteral, then + a. Let lref be the result of evaluating DestructuringAssignmentTarget. + b. ReturnIfAbrupt(lref). + + 7.4.6 IteratorClose( iterator, completion ) + + [...] + 6. Let innerResult be Call(return, iterator, « »). + [...] + +---*/ +var nextCount = 0; +var returnCount = 0; +var thisValue = null; +var args = null; +var x; +var iterable = {}; +var iterator = { + next: function() { + nextCount += 1; + // Set an upper-bound to limit unnecessary iteration in non-conformant + // implementations + return { done: nextCount > 10 }; + }, + return: function() { + returnCount += 1; + thisValue = this; + args = arguments; + } +}; +var thrower = function() { + throw new Test262Error(); +}; +iterable[Symbol.iterator] = function() { + return iterator; +}; + +var counter = 0; + +assert.throws(Test262Error, function() { + for ([...{}[thrower()]] of [iterable]) { + counter += 1; + } + counter += 1; +}); + +assert.sameValue(counter, 0); + +assert.sameValue(nextCount, 0); +assert.sameValue(returnCount, 1); +assert.sameValue(thisValue, iterator, 'correct `this` value'); +assert(!!args, 'arguments object provided'); +assert.sameValue(args.length, 0, 'zero arguments specified'); + +reportCompare(0, 0); |