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 --- .../statements/for-of/dstr/array-rest-lref.js | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 js/src/tests/test262/language/statements/for-of/dstr/array-rest-lref.js (limited to 'js/src/tests/test262/language/statements/for-of/dstr/array-rest-lref.js') diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-rest-lref.js b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-lref.js new file mode 100644 index 0000000000..88c55def71 --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-lref.js @@ -0,0 +1,74 @@ +// This file was procedurally generated from the following sources: +// - src/dstr-assignment/array-rest-lref.case +// - src/dstr-assignment/default/for-of.template +/*--- +description: Reference is evaluated during assignment (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). + [...] + +---*/ +var nextCount = 0; +var returnCount = 0; +var iterable = {}; +var iterator = { + next: function() { + nextCount += 1; + return { done: true }; + }, + return: function() { + returnCount += 1; + } +}; +var obj = {}; +iterable[Symbol.iterator] = function() { + return iterator; +}; + +var counter = 0; + +for ([...obj['a' + 'b']] of [iterable]) { + assert.sameValue(nextCount, 1); + assert.sameValue(returnCount, 0); + assert(!!obj.ab); + assert.sameValue(obj.ab.length, 0); + counter += 1; +} + +assert.sameValue(counter, 1); + +reportCompare(0, 0); -- cgit v1.2.3