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 --- ...l-dstr-array-rest-nested-array-undefined-own.js | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-rest-nested-array-undefined-own.js (limited to 'js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-rest-nested-array-undefined-own.js') diff --git a/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-rest-nested-array-undefined-own.js b/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-rest-nested-array-undefined-own.js new file mode 100644 index 0000000000..dbd04e18ca --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-func-decl-dstr-array-rest-nested-array-undefined-own.js @@ -0,0 +1,44 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-assignment-for-await/array-rest-nested-array-undefined-own.case +// - src/dstr-assignment-for-await/default/async-func-decl.template +/*--- +description: When DestructuringAssignmentTarget is an array literal and the iterable emits `undefined` as the only value, an array with a single `undefined` element should be used as the value of the nested DestructuringAssignment. (for-await-of statement in an async function declaration) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [destructuring-binding, async-iteration] +flags: [generated, async] +info: | + IterationStatement : + for await ( 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 + + [...] + 5. 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. + [...] +---*/ +let x = null; + +let iterCount = 0; +async function fn() { + for await ([...[x]] of [[undefined]]) { + assert.sameValue(x, undefined); + + + iterCount += 1; + } +} + +let promise = fn(); + +promise + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); -- cgit v1.2.3