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Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-throws.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-throws.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-throws.js b/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-throws.js new file mode 100644 index 0000000000..cdc4bdec77 --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-throws.js @@ -0,0 +1,36 @@ +// |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.drop +description: > + Underlying iterator has throwing next method +info: | + %Iterator.prototype%.drop ( limit ) + + 6.b.ii. Let next be ? IteratorStep(iterated). + + 6.c.i. Let next be ? IteratorStep(iterated). + +features: [iterator-helpers] +flags: [] +---*/ +class ThrowingIterator extends Iterator { + next() { + throw new Test262Error(); + } +} + +let iterator = new ThrowingIterator().drop(0); + +assert.throws(Test262Error, function () { + iterator.next(); +}); + +iterator = new ThrowingIterator().drop(1); + +assert.throws(Test262Error, function () { + iterator.next(); +}); + +reportCompare(0, 0); |