diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/toSorted/comparefn-not-a-function.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/toSorted/comparefn-not-a-function.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/toSorted/comparefn-not-a-function.js b/js/src/tests/test262/built-ins/Array/prototype/toSorted/comparefn-not-a-function.js new file mode 100644 index 0000000000..3a3e64627e --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/toSorted/comparefn-not-a-function.js @@ -0,0 +1,35 @@ +// Copyright (C) 2021 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.toSorted +description: > + Array.prototype.toSorted verifies that the comparator is callable before reading the length. +info: | + Array.prototype.toSorted ( compareFn ) + + 1. If comparefn is not undefined and IsCallable(comparefn) is false, throw a TypeError exception. + 2. ... + 3. Let len be ? LengthOfArrayLike(O). +features: [change-array-by-copy] +---*/ + +var getLengthThrow = { + get length() { + throw new Test262Error("IsCallable(comparefn) should be observed before this.length"); + } +}; + +var invalidComparators = [null, true, false, "", /a/g, 42, 42n, [], {}, Symbol()]; + +for (var i = 0; i < invalidComparators.length; i++) { + assert.throws(TypeError, function() { + [1].toSorted(invalidComparators[i]); + }, String(invalidComparators[i]) + " on an array"); + + assert.throws(TypeError, function() { + Array.prototype.toSorted.call(getLengthThrow, invalidComparators[i]); + }, String(invalidComparators[i]) + " on an object whose 'length' throws"); +} + +reportCompare(0, 0); |