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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/findLastIndex/predicate-called-for-each-array-property.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/findLastIndex/predicate-called-for-each-array-property.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/findLastIndex/predicate-called-for-each-array-property.js b/js/src/tests/test262/built-ins/Array/prototype/findLastIndex/predicate-called-for-each-array-property.js new file mode 100644 index 0000000000..487719742b --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/findLastIndex/predicate-called-for-each-array-property.js @@ -0,0 +1,28 @@ +// Copyright (C) 2021 Microsoft. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.findlastindex +description: > + Predicate is called for each array property. +info: | + Array.prototype.findLastIndex ( predicate[ , thisArg ] ) + + ... + 4. Let k be len - 1. + 5. Repeat, while k ≥ 0, + ... + c. Let testResult be ! ToBoolean(? Call(predicate, thisArg, « kValue, 𝔽(k), O »)). + ... +features: [array-find-from-last] +---*/ + +var arr = [undefined, , , 'foo']; +var called = 0; + +arr.findLastIndex(function() { + called++; +}); + +assert.sameValue(called, 4); + +reportCompare(0, 0); |