From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- ...ar-ary-ptrn-elem-id-iter-val-array-prototype.js | 78 ++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-val-array-prototype.js (limited to 'js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-val-array-prototype.js') diff --git a/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-val-array-prototype.js new file mode 100644 index 0000000000..7bc52580ad --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/var-ary-ptrn-elem-id-iter-val-array-prototype.js @@ -0,0 +1,78 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case +// - src/dstr-binding/default/for-of-var.template +/*--- +description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (for-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [Symbol.iterator, generators, 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. + [...] + + Runtime Semantics: IteratorBindingInitialization + + SingleNameBinding : BindingIdentifier Initializer_opt + + 1. Let bindingId be StringValue of BindingIdentifier. + 2. Let lhs be ? ResolveBinding(bindingId, environment). + 3. If iteratorRecord.[[Done]] is false, then + a. Let next be IteratorStep(iteratorRecord). + b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true. + c. ReturnIfAbrupt(next). + d. If next is false, set iteratorRecord.[[Done]] to true. + e. Else, + i. Let v be IteratorValue(next). + ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true. + iii. ReturnIfAbrupt(v). + [...] + 7. Return InitializeReferencedBinding(lhs, v). + +---*/ +Array.prototype[Symbol.iterator] = function* () { + if (this.length > 0) { + yield this[0]; + } + if (this.length > 1) { + yield this[1]; + } + if (this.length > 2) { + yield 42; + } +}; + +var iterCount = 0; + +for (var [x, y, z] of [[1, 2, 3]]) { + assert.sameValue(x, 1); + assert.sameValue(y, 2); + assert.sameValue(z, 42); + + iterCount += 1; +} + +assert.sameValue(iterCount, 1, 'Iteration occurred as expected'); + +reportCompare(0, 0); -- cgit v1.2.3