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 --- .../for-of/generator-close-via-return.js | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 js/src/tests/test262/language/statements/for-of/generator-close-via-return.js (limited to 'js/src/tests/test262/language/statements/for-of/generator-close-via-return.js') diff --git a/js/src/tests/test262/language/statements/for-of/generator-close-via-return.js b/js/src/tests/test262/language/statements/for-of/generator-close-via-return.js new file mode 100644 index 0000000000..93ad8963ee --- /dev/null +++ b/js/src/tests/test262/language/statements/for-of/generator-close-via-return.js @@ -0,0 +1,51 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 13.6.4.13 +description: > + Generators should be closed via their `return` method when iteration is + interrupted via a `return` statement. +features: [generators] +---*/ + +var startedCount = 0; +var finallyCount = 0; +var iterationCount = 0; +function* values() { + startedCount += 1; + try { + yield; + throw new Test262Error('This code is unreachable (within `try` block)'); + } finally { + finallyCount += 1; + } + throw new Test262Error('This code is unreachable (following `try` statement)'); +} +var iterable = values(); + +assert.sameValue( + startedCount, 0, 'Generator is initialized in suspended state' +); + +(function() { + for (var x of iterable) { + assert.sameValue( + startedCount, 1, 'Generator executes prior to first iteration' + ); + assert.sameValue( + finallyCount, 0, 'Generator is paused during first iteration' + ); + iterationCount += 1; + return; + } +}()); + +assert.sameValue( + startedCount, 1, 'Generator does not restart following interruption' +); +assert.sameValue(iterationCount, 1, 'A single iteration occurs'); +assert.sameValue( + finallyCount, 1, 'Generator is closed after `return` statement' +); + +reportCompare(0, 0); -- cgit v1.2.3