diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/prototype/forEach/fn-args.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/prototype/forEach/fn-args.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/forEach/fn-args.js b/js/src/tests/test262/built-ins/Iterator/prototype/forEach/fn-args.js new file mode 100644 index 0000000000..951ad07e27 --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/prototype/forEach/fn-args.js @@ -0,0 +1,43 @@ +// |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.forEach +description: > + Iterator.prototype.forEach fn is passed the yielded value and a counter as arguments +info: | + %Iterator.prototype%.forEach ( fn ) + +features: [iterator-helpers] +flags: [] +---*/ +function* g() { + yield 'a'; + yield 'b'; + yield 'c'; +} + +let iter = g(); + +let assertionCount = 0; +let result = iter.forEach((v, count) => { + switch (v) { + case 'a': + assert.sameValue(count, 0); + break; + case 'b': + assert.sameValue(count, 1); + break; + case 'c': + assert.sameValue(count, 2); + break; + default: + throw new Error(); + } + ++assertionCount; +}); + +assert.sameValue(result, undefined); +assert.sameValue(assertionCount, 3); + +reportCompare(0, 0); |