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Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js b/js/src/tests/test262/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js new file mode 100644 index 0000000000..8eef5f8ace --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/take/next-method-returns-throwing-done.js @@ -0,0 +1,45 @@ +// |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.take +description: > + Underlying iterator next returns object with throwing done getter +info: | + %Iterator.prototype%.take ( limit ) + + 8.b.iii. Let next be ? IteratorStep(iterated). + +features: [iterator-helpers] +flags: [] +---*/ +class ReturnCalledError extends Error {} +class DoneGetterError extends Error {} + +class ThrowingIterator extends Iterator { + next() { + return { + get done() { + throw new DoneGetterError(); + }, + value: 1, + }; + } + return() { + throw new ReturnCalledError(); + } +} + +let iterator = new ThrowingIterator().take(0); + +assert.throws(ReturnCalledError, function () { + iterator.next(); +}); + +iterator = new ThrowingIterator().take(1); + +assert.throws(DoneGetterError, function () { + iterator.next(); +}); + +reportCompare(0, 0); |