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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/sort/stability-5-elements.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/sort/stability-5-elements.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/sort/stability-5-elements.js b/js/src/tests/test262/built-ins/Array/prototype/sort/stability-5-elements.js new file mode 100644 index 0000000000..76285695db --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/sort/stability-5-elements.js @@ -0,0 +1,29 @@ +// Copyright (C) 2018 Mathias Bynens. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.sort +description: > + Stability of Array.prototype.sort for an array with 5 elements. +info: | + The sort is required to be stable (that is, elements that compare equal + remain in their original order). +---*/ + +const array = [ + { name: 'A', rating: 2 }, + { name: 'B', rating: 3 }, + { name: 'C', rating: 2 }, + { name: 'D', rating: 3 }, + { name: 'E', rating: 3 }, +]; +assert.sameValue(array.length, 5); + +// Sort the elements by `rating` in descending order. +// (This updates `array` in place.) +array.sort((a, b) => b.rating - a.rating); + +const reduced = array.reduce((acc, element) => acc + element.name, ''); +assert.sameValue(reduced, 'BDEAC'); + +reportCompare(0, 0); |