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Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-returns-throwing-value-done.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-returns-throwing-value-done.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-returns-throwing-value-done.js b/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-returns-throwing-value-done.js new file mode 100644 index 0000000000..3ca5d413d7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/drop/next-method-returns-throwing-value-done.js @@ -0,0 +1,39 @@ +// |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 next returns object with throwing value getter, but is already done +info: | + %Iterator.prototype%.drop ( limit ) + + 6.c.ii. If next is false, return undefined. + +features: [iterator-helpers] +flags: [] +---*/ +class ReturnCalledError extends Error {} +class ValueGetterError extends Error {} + +class ThrowingIterator extends Iterator { + next() { + return { + done: true, + get value() { + throw new ValueGetterError(); + }, + }; + } + return() { + throw new ReturnCalledError(); + } +} + +let iterator = new ThrowingIterator().drop(0); +iterator.next(); + +iterator = new ThrowingIterator().drop(1); +iterator.next(); + +reportCompare(0, 0); |