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Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/map/mapper-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/map/mapper-throws.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/map/mapper-throws.js b/js/src/tests/test262/built-ins/Iterator/prototype/map/mapper-throws.js new file mode 100644 index 0000000000..0a7eb400bd --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/map/mapper-throws.js @@ -0,0 +1,44 @@ +// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options +// Copyright (C) 2023 Michael Ficarra. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-iteratorprototype.map +description: > + Closes iterator and throws when mapper throws +info: | + %Iterator.prototype%.map ( mapper ) + + 5.b.v. IfAbruptCloseIterator(mapped, iterated). + +features: [iterator-helpers] +flags: [] +---*/ +let returnCalls = 0; + +class TestIterator extends Iterator { + next() { + return { + done: false, + value: 1, + }; + } + return() { + ++returnCalls; + return {}; + } +} + +let callbackCalls = 0; +let iterator = new TestIterator().map(() => { + ++callbackCalls; + throw new Test262Error(); +}); + +assert.throws(Test262Error, function () { + iterator.next(); +}); + +assert.sameValue(callbackCalls, 1); +assert.sameValue(returnCalls, 1); + +reportCompare(0, 0); |