diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/String/prototype/startsWith')
23 files changed, 616 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/browser.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/browser.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/browser.js diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/coerced-values-of-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/coerced-values-of-position.js new file mode 100644 index 0000000000..b12e6d8e0f --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/coerced-values-of-position.js @@ -0,0 +1,41 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns based on coerced values of position. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 9. Let pos be ToInteger(position). (If position is undefined, this step + produces the value 0). + 10. ReturnIfAbrupt(pos). + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + 16. Otherwise, return false. + ... +---*/ + +var str = 'The future is cool!'; + +assert(str.startsWith('The future', NaN), 'NaN coerced to 0'); +assert(str.startsWith('The future', null), 'null coerced to 0'); +assert(str.startsWith('The future', false), 'false coerced to 0'); +assert(str.startsWith('The future', ''), '"" coerced to 0'); +assert(str.startsWith('The future', '0'), '"0" coerced to 0'); +assert(str.startsWith('The future', undefined), 'undefined coerced to 0'); +assert(str.startsWith('The future', 0.4), '0.4 coerced to 0'); + +assert.sameValue( + str.startsWith('The future', true), false, + 'true coerced to 1' +); +assert.sameValue(str.startsWith('The future', '1'), false, '"1" coerced to 1'); +assert.sameValue(str.startsWith('The future', 1.4), false, '1.4 coerced to 1'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/length.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/length.js new file mode 100644 index 0000000000..3e19e74994 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/length.js @@ -0,0 +1,24 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + String.prototype.startsWith.length value and descriptor. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + The length property of the startsWith method is 1. + +includes: [propertyHelper.js] +---*/ + +assert.sameValue( + String.prototype.startsWith.length, 1, + 'The value of `String.prototype.startsWith.length` is `1`' +); + +verifyNotEnumerable(String.prototype.startsWith, 'length'); +verifyNotWritable(String.prototype.startsWith, 'length'); +verifyConfigurable(String.prototype.startsWith, 'length'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/name.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/name.js new file mode 100644 index 0000000000..4baa4a3076 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/name.js @@ -0,0 +1,24 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + String.prototype.startsWith.name value and descriptor. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 17 ECMAScript Standard Built-in Objects + +includes: [propertyHelper.js] +---*/ + +assert.sameValue( + String.prototype.startsWith.name, 'startsWith', + 'The value of `String.prototype.startsWith.name` is `"startsWith"`' +); + +verifyNotEnumerable(String.prototype.startsWith, 'name'); +verifyNotWritable(String.prototype.startsWith, 'name'); +verifyConfigurable(String.prototype.startsWith, 'name'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/not-a-constructor.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/not-a-constructor.js new file mode 100644 index 0000000000..a286537efc --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/not-a-constructor.js @@ -0,0 +1,35 @@ +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-ecmascript-standard-built-in-objects +description: > + String.prototype.startsWith does not implement [[Construct]], is not new-able +info: | + ECMAScript Function Objects + + Built-in function objects that are not identified as constructors do not + implement the [[Construct]] internal method unless otherwise specified in + the description of a particular function. + + sec-evaluatenew + + ... + 7. If IsConstructor(constructor) is false, throw a TypeError exception. + ... +includes: [isConstructor.js] +features: [Reflect.construct, arrow-function] +---*/ + +assert.sameValue( + isConstructor(String.prototype.startsWith), + false, + 'isConstructor(String.prototype.startsWith) must return false' +); + +assert.throws(TypeError, () => { + new String.prototype.startsWith(); +}, '`new String.prototype.startsWith()` throws TypeError'); + + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/out-of-bounds-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/out-of-bounds-position.js new file mode 100644 index 0000000000..820e85662d --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/out-of-bounds-position.js @@ -0,0 +1,45 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns false if searchLength + start position is greater than string length. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + ... +---*/ + +var str = 'The future is cool!'; + +assert.sameValue( + str.startsWith('!', str.length), false, + 'str.startsWith("!", str.length) returns false' +); + +assert.sameValue( + str.startsWith('!', 100), false, + 'str.startsWith("!", 100) returns false' +); + +assert.sameValue( + str.startsWith('!', Infinity), false, + 'str.startsWith("!", Infinity) returns false' +); + +assert( + str.startsWith('The future', -1), + 'position argument < 0 will search from the start of the string (-1)' +); + +assert( + str.startsWith('The future', -Infinity), + 'position argument < 0 will search from the start of the string (-Infinity)' +); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position-as-symbol.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position-as-symbol.js new file mode 100644 index 0000000000..668ab343aa --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position-as-symbol.js @@ -0,0 +1,24 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToInteger(position) as a Symbol. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 9. Let pos be ToInteger(position). (If position is undefined, this step + produces the value 0). + 10. ReturnIfAbrupt(pos). + ... +features: [Symbol] +---*/ + +var position = Symbol(); + +assert.throws(TypeError, function() { + ''.startsWith('', position); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js new file mode 100644 index 0000000000..2a8e9b9917 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-position.js @@ -0,0 +1,27 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToInteger(position). +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 9. Let pos be ToInteger(position). (If position is undefined, this step + produces the value 0). + 10. ReturnIfAbrupt(pos). + ... +---*/ + +var position = { + valueOf: function() { + throw new Test262Error(); + } +}; + +assert.throws(Test262Error, function() { + ''.startsWith('', position); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-as-symbol.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-as-symbol.js new file mode 100644 index 0000000000..d4a53cff06 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-as-symbol.js @@ -0,0 +1,23 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToString(searchString) as a Symbol +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 7. Let searchStr be ToString(searchString). + 8. ReturnIfAbrupt(searchString). + ... +features: [Symbol] +---*/ + +var s = Symbol(); + +assert.throws(TypeError, function() { + ''.startsWith(s); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-regexp-test.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-regexp-test.js new file mode 100644 index 0000000000..5fd775ad0b --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring-regexp-test.js @@ -0,0 +1,44 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from IsRegExp(searchString). +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 4. Let isRegExp be IsRegExp(searchString). + 5. ReturnIfAbrupt(isRegExp). + ... + + 7.2.8 IsRegExp ( argument ) + + 2. Let isRegExp be Get(argument, @@match). + 3. ReturnIfAbrupt(isRegExp). +features: [Symbol.match] +---*/ + +var obj = {}; +Object.defineProperty(obj, Symbol.match, { + get: function() { + throw new Test262Error(); + } +}); + +assert.throws(Test262Error, function() { + ''.startsWith(obj); +}); + +var regexp = /./; +Object.defineProperty(regexp, Symbol.match, { + get: function() { + throw new Test262Error(); + } +}); + +assert.throws(Test262Error, function() { + ''.startsWith(regexp); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring.js new file mode 100644 index 0000000000..26a9376388 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-searchstring.js @@ -0,0 +1,26 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToString(searchString) +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 7. Let searchStr be ToString(searchString). + 8. ReturnIfAbrupt(searchString). + ... +---*/ + +var obj = { + toString: function() { + throw new Test262Error(); + } +}; + +assert.throws(Test262Error, function() { + ''.startsWith(obj); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this-as-symbol.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this-as-symbol.js new file mode 100644 index 0000000000..2e66a64380 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this-as-symbol.js @@ -0,0 +1,22 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToString(this) where this is a Symbol +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). + 3. ReturnIfAbrupt(S). +features: [Symbol] +---*/ + +var s = Symbol(''); + +assert.throws(TypeError, function() { + String.prototype.startsWith.call(s, ''); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this.js new file mode 100644 index 0000000000..727cd25b93 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-abrupt-from-this.js @@ -0,0 +1,25 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns abrupt from ToString(this) +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). + 3. ReturnIfAbrupt(S). +---*/ + +var o = { + toString: function() { + throw new Test262Error(); + } +}; + +assert.throws(Test262Error, function() { + String.prototype.startsWith.call(o, ''); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/return-true-if-searchstring-is-empty.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-true-if-searchstring-is-empty.js new file mode 100644 index 0000000000..a65c494055 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/return-true-if-searchstring-is-empty.js @@ -0,0 +1,42 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns true if searchString.length == 0. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + ... +---*/ + +var str = 'The future is cool!'; + +assert( + str.startsWith(''), + 'str.startsWith("") returns true' +); + +assert( + str.startsWith('', str.length), + 'str.startsWith("", str.length) returns true' +); + +assert( + str.startsWith(''), + 'str.startsWith("") returns true' +); + +assert( + str.startsWith('', Infinity), + 'str.startsWith("", Infinity) returns true' +); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-with-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-with-position.js new file mode 100644 index 0000000000..bae9a17f2e --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-with-position.js @@ -0,0 +1,36 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns true if searchString appears as a substring of the given string with a + given position. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + ... +---*/ + +var str = 'The future is cool!'; + +assert( + str.startsWith('The future', 0), + 'str.startsWith("The future", 0) === true' +); +assert( + str.startsWith('future', 4), + 'str.startsWith("future", 4) === true' +); +assert( + str.startsWith(' is cool!', 10), + 'str.startsWith(" is cool!", 10) === true' +); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-without-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-without-position.js new file mode 100644 index 0000000000..252a877cae --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-found-without-position.js @@ -0,0 +1,26 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns true if searchString appears as a substring of the given string. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + ... +---*/ + +var str = 'The future is cool!'; + +assert(str.startsWith('The '), 'str.startsWith("The ") === true'); +assert(str.startsWith('The future'), 'str.startsWith("The future") === true'); +assert(str.startsWith(str), 'str.startsWith(str) === true'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-is-regexp-throws.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-is-regexp-throws.js new file mode 100644 index 0000000000..e07883e18b --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-is-regexp-throws.js @@ -0,0 +1,23 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Throws a TypeError if searchString is a RegExp. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 4. Let isRegExp be IsRegExp(searchString). + 5. ReturnIfAbrupt(isRegExp). + 6. If isRegExp is true, throw a TypeError exception. + ... +---*/ + +var searchString = /./; + +assert.throws(TypeError, function() { + ''.startsWith(searchString); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-with-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-with-position.js new file mode 100644 index 0000000000..103223214b --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-with-position.js @@ -0,0 +1,33 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns false if searchString is not found with a given position. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + 16. Otherwise, return false. + ... +---*/ + +var str = 'The future is cool!'; + +assert.sameValue( + str.startsWith('The future', 1), false, + 'str.startsWith("The future", 1) === false' +); + +assert.sameValue( + str.startsWith(str, 1), false, + 'str.startsWith(str, 1) === false' +); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-without-position.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-without-position.js new file mode 100644 index 0000000000..04afa3c929 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/searchstring-not-found-without-position.js @@ -0,0 +1,36 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Returns false if searchString is not found. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + ... + 11. Let len be the number of elements in S. + 12. Let start be min(max(pos, 0), len). + 13. Let searchLength be the number of elements in searchStr. + 14. If searchLength+start is greater than len, return false. + 15. 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. + 16. Otherwise, return false. + ... +---*/ + +var str = 'The future is cool!'; + +assert.sameValue( + str.startsWith('Flash'), false, + 'str.startsWith("Flash") === false' +); +assert.sameValue( + str.startsWith('THE FUTURE'), false, + 'startsWith is case sensitive' +); +assert.sameValue( + str.startsWith('future is cool!'), false, + 'str.startsWith("future is cool!") === false' +); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/shell.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/shell.js new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/shell.js diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/startsWith.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/startsWith.js new file mode 100644 index 0000000000..a0f0397a0c --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/startsWith.js @@ -0,0 +1,24 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Property type and descriptor. +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 17 ECMAScript Standard Built-in Objects +includes: [propertyHelper.js] +---*/ + +assert.sameValue( + typeof String.prototype.startsWith, + 'function', + '`typeof String.prototype.startsWith` is `function`' +); + +verifyNotEnumerable(String.prototype, 'startsWith'); +verifyWritable(String.prototype, 'startsWith'); +verifyConfigurable(String.prototype, 'startsWith'); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-null-throws.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-null-throws.js new file mode 100644 index 0000000000..962a68f925 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-null-throws.js @@ -0,0 +1,18 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Throws TypeError when `this` is null +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). +---*/ + +assert.throws(TypeError, function() { + String.prototype.startsWith.call(null, ''); +}); + +reportCompare(0, 0); diff --git a/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-undefined-throws.js b/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-undefined-throws.js new file mode 100644 index 0000000000..6b0803a2f6 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/startsWith/this-is-undefined-throws.js @@ -0,0 +1,18 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 21.1.3.18 +description: > + Throws TypeError when `this` is undefined +info: | + 21.1.3.18 String.prototype.startsWith ( searchString [ , position ] ) + + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). +---*/ + +assert.throws(TypeError, function() { + String.prototype.startsWith.call(undefined, ''); +}); + +reportCompare(0, 0); |