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 --- ...gen-dstr-var-async-ary-ptrn-rest-ary-elision.js | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-async-ary-ptrn-rest-ary-elision.js (limited to 'js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-async-ary-ptrn-rest-ary-elision.js') diff --git a/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-async-ary-ptrn-rest-ary-elision.js b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-async-ary-ptrn-rest-ary-elision.js new file mode 100644 index 0000000000..19af300b5f --- /dev/null +++ b/js/src/tests/test262/language/statements/for-await-of/async-gen-dstr-var-async-ary-ptrn-rest-ary-elision.js @@ -0,0 +1,96 @@ +// |reftest| async +// This file was procedurally generated from the following sources: +// - src/dstr-binding-for-await/ary-ptrn-rest-ary-elision.case +// - src/dstr-binding-for-await/default/for-await-of-async-gen-var-async.template +/*--- +description: Rest element containing an elision (for-await-of statement) +esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation +features: [generators, destructuring-binding, async-iteration] +flags: [generated, async] +info: | + IterationStatement : + for await ( ForDeclaration of AssignmentExpression ) Statement + + [...] + 2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult, + lexicalBinding, labelSet, async). + + 13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation + + [...] + 4. Let destructuring be IsDestructuring of lhs. + [...] + 6. Repeat + [...] + j. If destructuring is false, then + [...] + k. Else + i. If lhsKind is assignment, then + [...] + ii. Else if lhsKind is varBinding, then + [...] + iii. Else, + 1. Assert: lhsKind is lexicalBinding. + 2. Assert: lhs is a ForDeclaration. + 3. Let status be the result of performing BindingInitialization + for lhs passing nextValue and iterationEnv as arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + BindingRestElement : ... BindingPattern + + 1. Let A be ArrayCreate(0). + [...] + 3. Repeat + [...] + b. If iteratorRecord.[[done]] is true, then + i. Return the result of performing BindingInitialization of + BindingPattern with A and environment as the arguments. + [...] + + 13.3.3.6 Runtime Semantics: IteratorBindingInitialization + + ArrayBindingPattern : [ Elision ] + + 1. Return the result of performing + IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord + as the argument. + + 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation + + Elision : , + + 1. If iteratorRecord.[[done]] is false, then + a. Let next be IteratorStep(iteratorRecord.[[iterator]]). + 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. + 2. Return NormalCompletion(empty). + +---*/ +var first = 0; +var second = 0; +function* g() { + first += 1; + yield; + second += 1; +}; + +var iterCount = 0; +var asyncIter = (async function*() { + yield* [g()]; +})(); + +async function *fn() { + for await (var [...[,]] of asyncIter) { + assert.sameValue(first, 1); + assert.sameValue(second, 1); + + iterCount += 1; + } +} + +fn().next() + .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE) + .then($DONE, $DONE); -- cgit v1.2.3