diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-4.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-4.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-4.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-4.js new file mode 100644 index 0000000000..6ae526981b --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-5-4.js @@ -0,0 +1,16 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-array.prototype.lastindexof +description: Array.prototype.lastIndexOf when fromIndex is undefined +---*/ + +var a = new Array(1, 2, 1); + +// undefined resolves to 0, no second argument resolves to len +assert.sameValue(a.lastIndexOf(2, undefined), -1, 'a.lastIndexOf(2,undefined)'); +assert.sameValue(a.lastIndexOf(1, undefined), 0, 'a.lastIndexOf(1,undefined)'); +assert.sameValue(a.lastIndexOf(1), 2, 'a.lastIndexOf(1)'); + +reportCompare(0, 0); |