diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js new file mode 100644 index 0000000000..1871492039 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-true-if-searchstring-is-empty.js @@ -0,0 +1,51 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.6 +description: > + Returns true if searchString.length == 0. +info: | + 21.1.3.6 String.prototype.endsWith ( searchString [ , endPosition] ) + + ... + 10. If endPosition is undefined, let pos be len, else let pos be + ToInteger(endPosition). + 11. ReturnIfAbrupt(pos). + 12. Let end be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. Let start be end - searchLength. + 15. If start is less than 0, return false. + 16. If the sequence of elements of S starting at start of length searchLength + is the same as the full element sequence of searchStr, return true. + ... +features: [String.prototype.endsWith] +---*/ + +var str = 'The future is cool!'; + +assert( + str.endsWith(''), + 'str.endsWith("") returns true' +); + +assert( + str.endsWith('', str.length), + 'str.endsWith("", str.length) returns true' +); + +assert( + str.endsWith('', Infinity), + 'str.endsWith("", Infinity) returns true' +); + +assert( + str.endsWith('', -1), + 'str.endsWith("", -1) returns true' +); + +assert( + str.endsWith('', -Infinity), + 'str.endsWith("", -Infinity) returns true' +); + +reportCompare(0, 0); |