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Diffstat (limited to 'js/src/tests/test262/built-ins/String/prototype/endsWith/return-false-if-search-start-is-less-than-zero.js')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/endsWith/return-false-if-search-start-is-less-than-zero.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/endsWith/return-false-if-search-start-is-less-than-zero.js b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-false-if-search-start-is-less-than-zero.js new file mode 100644 index 0000000000..37ec778399 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/endsWith/return-false-if-search-start-is-less-than-zero.js @@ -0,0 +1,35 @@ +// 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 false if search start is less than 0. +info: | + 21.1.3.6 String.prototype.endsWith ( searchString [ , endPosition] ) + + ... + 9. Let len be the number of elements in S. + 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. + ... + + Note: (min(max(pos, 0), len) - searchString.length) < 0; +features: [String.prototype.endsWith] +---*/ + +assert.sameValue( + 'web'.endsWith('w', 0), false, + '"web".endsWith("w", 0) returns false' +); + +assert.sameValue( + 'Bob'.endsWith(' Bob'), false, + '"Bob".endsWith(" Bob") returns false' +); + +reportCompare(0, 0); |