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Add and update tests for Array.prototype.fill

This commit is contained in:
Leonardo Balter 2015-07-24 12:12:41 -04:00
parent 02fbde769c
commit e64e17f750
21 changed files with 501 additions and 103 deletions
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31
test/built-ins/Array/prototype/fill/Array.prototype.fill_basic.js vendored
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// Copyright (c) 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
The fill() method fills all the elements of an array from a start
index to an end index with a static value.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fill
includes: [compareArray.js]
---*/
assert.sameValue(1, Array.prototype.fill.length);
assert(compareArray([].fill(8), []));
assert(compareArray(
[0, 0, 0, 0, 0].fill(),
[undefined, undefined, undefined, undefined, undefined]
));
assert(compareArray([0, 0, 0, 0, 0].fill(8), [8, 8, 8, 8, 8]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, 1), [0, 8, 8, 8, 8]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, 10), [0, 0, 0, 0, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -5), [8, 8, 8, 8, 8]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, 1, 4), [0, 8, 8, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, 1, -1), [0, 8, 8, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, 1, 42), [0, 8, 8, 8, 8]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -3, 42), [0, 0, 8, 8, 8]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -3, 4), [0, 0, 8, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -2, -1), [0, 0, 0, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -1, -3), [0, 0, 0, 0, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, undefined, 4), [8, 8, 8, 8, 0]));
assert(compareArray([ , , , , 0].fill(8, 1, 3), [, 8, 8, , 0]));

16
test/built-ins/Array/prototype/fill/Array.prototype.fill_cannot-fill-frozen-array.js vendored
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// Copyright (c) 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
The fill() method fills all the elements of an array from a start
index to an end index with a static value.
Cannot fill a frozen array
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fill
---*/
assert.throws(TypeError, function() {
Object.freeze([0]).fill();
});

19
test/built-ins/Array/prototype/fill/Array.prototype.fill_exceptions.js vendored
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// Copyright (c) 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
The fill() method fills all the elements of an array from a start
index to an end index with a static value.
this value cannot be null or undefined
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fill
---*/
assert.throws(TypeError, function() {
Array.prototype.fill.call(null);
});
assert.throws(TypeError, function() {
Array.prototype.fill.call(undefined);
});

37
test/built-ins/Array/prototype/fill/S22.1.3.6_T1.js vendored
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// Copyright (c) 2014 Hank Yates. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6_T1
description: Testing Array#fill
author: Hank Yates (hankyates@gmail.com)
includes: [runTestCase.js]
---*/
runTestCase(function () {
var testArr = new Array('testString', 'anotherTestString', 3),
updatedArr = testArr.fill('newValue', 1, 3);
if (updatedArr[3] !== void 0) {
return false;
}
if (updatedArr[2] !== 'newValue') {
return false;
}
if (updatedArr[1] !== 'newValue') {
return false;
}
if (updatedArr[0] !== 'testString') {
return false;
}
if (updatedArr.length !== 3) {
return false;
}
return true;
});

89
test/built-ins/Array/prototype/fill/coerced-indexes.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Fills elements from coerced to Integer `start` and `end` values
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
7. Let relativeStart be ToInteger(start).
8. ReturnIfAbrupt(relativeStart).
9. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be
min(relativeStart, len).
10. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
...
includes: [compareArray.js]
---*/
assert(
compareArray([0, 0].fill(1, undefined), [1, 1]),
'`undefined` start coerced to 0'
);
assert(
compareArray([0, 0].fill(1, 0, undefined), [1, 1]),
'If end is undefined, let relativeEnd be len'
);
assert(
compareArray([0, 0].fill(1, null), [1, 1]),
'`null` start coerced to 0'
);
assert(
compareArray([0, 0].fill(1, 0, null), [0, 0]),
'`null` end coerced to 0'
);
assert(
compareArray([0, 0].fill(1, true), [0, 1]),
'`true` start coerced to 1'
);
assert(
compareArray([0, 0].fill(1, 0, true), [1, 0]),
'`true` end coerced to 1'
);
assert(
compareArray([0, 0].fill(1, false), [1, 1]),
'`false` start coerced to 0'
);
assert(
compareArray([0, 0].fill(1, 0, false), [0, 0]),
'`false` end coerced to 0'
);
assert(
compareArray([0, 0].fill(1, NaN), [1, 1]),
'`NaN` start coerced to 0'
);
assert(
compareArray([0, 0].fill(1, 0, NaN), [0, 0]),
'`NaN` end coerced to 0'
);
assert(
compareArray([0, 0].fill(1, '1'), [0, 1]),
'string start coerced'
);
assert(
compareArray([0, 0].fill(1, 0, '1'), [1, 0]),
'string end coerced'
);
assert(
compareArray([0, 0].fill(1, 1.5), [0, 1]),
'start as a float number coerced'
);
assert(
compareArray([0, 0].fill(1, 0, 1.5), [1, 0]),
'end as a float number coerced'
);

26
test/built-ins/Array/prototype/fill/fill-values-custom-start-and-end.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Fills all the elements from a with a custom start and end indexes.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
7. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be
min(relativeStart, len).
8. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
9. ReturnIfAbrupt(relativeEnd).
10. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let
final be min(relativeEnd, len).
...
includes: [compareArray.js]
---*/
assert(compareArray([0, 0, 0].fill(8, 1, 2), [0, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -3, 4), [0, 0, 8, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -2, -1), [0, 0, 0, 8, 0]));
assert(compareArray([0, 0, 0, 0, 0].fill(8, -1, -3), [0, 0, 0, 0, 0]));
assert(compareArray([ , , , , 0].fill(8, 1, 3), [, 8, 8, , 0]));

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test/built-ins/Array/prototype/fill/fill-values-relative-end.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Fills all the elements from a with a custom start index.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
8. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
9. ReturnIfAbrupt(relativeEnd).
10. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let
final be min(relativeEnd, len).
...
includes: [compareArray.js]
---*/
assert(
compareArray([0, 0, 0].fill(8, 0, 1), [8, 0, 0]),
'Fill elements from custom end position'
);
assert(
compareArray([0, 0, 0].fill(8, 0, -1), [8, 8, 0]),
'negative end sets final position to max((this.length + relativeEnd), 0)'
);
assert(
compareArray([0, 0, 0].fill(8, 0, 5), [8, 8, 8]),
'end position is never higher than of this.length'
);

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test/built-ins/Array/prototype/fill/fill-values-relative-start.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Fills all the elements from a with a custom start index.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
7. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be
min(relativeStart, len).
...
includes: [compareArray.js]
---*/
assert(
compareArray([0, 0, 0].fill(8, 1), [0, 8, 8]),
'Fill elements from custom start position'
);
assert(
compareArray([0, 0, 0].fill(8, 4), [0, 0, 0]),
'start position is never higher than this.length'
);
assert(
compareArray([0, 0, 0].fill(8, -1), [0, 0, 8]),
'negative start sets initial position to max((this.length + relativeStart),0)'
);

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test/built-ins/Array/prototype/fill/fill-values.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Fills all the elements with `value` from a defaul start and index.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
7. If relativeStart < 0, let k be max((len + relativeStart),0); else let k be
min(relativeStart, len).
8. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
9. ReturnIfAbrupt(relativeEnd).
10. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let
final be min(relativeEnd, len).
11. Repeat, while k < final
a. Let Pk be ToString(k).
b. Let setStatus be Set(O, Pk, value, true).
c. ReturnIfAbrupt(setStatus).
d. Increase k by 1.
12. Return O.
includes: [compareArray.js]
---*/
assert(compareArray([].fill(8), []));
assert(compareArray(
[0, 0].fill(),
[undefined, undefined]
));
assert(
compareArray([0, 0, 0].fill(8), [8, 8, 8]),
'Default start and end indexes are 0 and this.length'
);

19
test/built-ins/Array/prototype/fill/fill.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: Property type and descriptor.
info: >
17 ECMAScript Standard Built-in Objects
includes: [propertyHelper.js]
---*/
assert.sameValue(
typeof Array.prototype.fill,
'function',
'`typeof Array.prototype.fill` is `function`'
);
verifyNotEnumerable(Array.prototype, 'fill');
verifyWritable(Array.prototype, 'fill');
verifyConfigurable(Array.prototype, 'fill');

18
test/built-ins/Array/prototype/fill/length.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: Array.prototype.fill.length value and descriptor.
info: >
17 ECMAScript Standard Built-in Objects
includes: [propertyHelper.js]
---*/
assert.sameValue(
Array.prototype.fill.length, 1,
'The value of `Array.prototype.fill.length` is `1`'
);
verifyNotEnumerable(Array.prototype.fill, 'length');
verifyNotWritable(Array.prototype.fill, 'length');
verifyConfigurable(Array.prototype.fill, 'length');

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test/built-ins/Array/prototype/fill/name.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Array.prototype.fill.name value and descriptor.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
17 ECMAScript Standard Built-in Objects
includes: [propertyHelper.js]
---*/
assert.sameValue(
Array.prototype.fill.name, 'fill',
'The value of `Array.prototype.fill.name` is `"fill"`'
);
verifyNotEnumerable(Array.prototype.fill, 'name');
verifyNotWritable(Array.prototype.fill, 'name');
verifyConfigurable(Array.prototype.fill, 'name');

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test/built-ins/Array/prototype/fill/return-abrupt-from-end-as-symbol.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToInteger(end) as a Symbol.
info: >
22.1.3.6 Array.prototype.fill (value [ , end [ , end ] ] )
...
8. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
9. ReturnIfAbrupt(relativeEnd).
...
features: [Symbol]
---*/
var end = Symbol(1);
assert.throws(TypeError, function() {
[].fill(1, 0, end);
});

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test/built-ins/Array/prototype/fill/return-abrupt-from-end.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToInteger(end).
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
8. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
9. ReturnIfAbrupt(relativeEnd).
...
---*/
var end = {
valueOf: function() {
throw new Test262Error();
}
};
assert.throws(Test262Error, function() {
[].fill(1, 0, end);
});

34
test/built-ins/Array/prototype/fill/return-abrupt-from-setting-property-value.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from setting a property value.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
11. Repeat, while k < final
a. Let Pk be ToString(k).
b. Let setStatus be Set(O, Pk, value, true).
c. ReturnIfAbrupt(setStatus).
...
---*/
var a1 = [];
Object.freeze(a1);
// won't break on an empty array.
a1.fill(1);
var a2 = {
length: 1
};
Object.defineProperty(a2, '0', {
set: function() {
throw new Test262Error();
}
})
assert.throws(Test262Error, function() {
Array.prototype.fill.call(a2);
});

21
test/built-ins/Array/prototype/fill/return-abrupt-from-start-as-symbol.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToInteger(start) as a Symbol.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
5. Let relativeStart be ToInteger(start).
6. ReturnIfAbrupt(relativeStart).
...
features: [Symbol]
---*/
var start = Symbol(1);
assert.throws(TypeError, function() {
[].fill(1, start);
});

24
test/built-ins/Array/prototype/fill/return-abrupt-from-start.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToInteger(start).
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
...
5. Let relativeStart be ToInteger(start).
6. ReturnIfAbrupt(relativeStart).
...
---*/
var start = {
valueOf: function() {
throw new Test262Error();
}
};
assert.throws(Test262Error, function() {
[].fill(1, start);
});

24
test/built-ins/Array/prototype/fill/return-abrupt-from-this-length-as-symbol.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToLength(Get(O, "length")) where length is a Symbol.
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
1. Let O be ToObject(this value).
2. ReturnIfAbrupt(O).
3. Let len be ToLength(Get(O, "length")).
4. ReturnIfAbrupt(len).
features: [Symbol]
---*/
var o = {};
o.length = Symbol(1);
// value argument is given to avoid false positives
assert.throws(TypeError, function() {
[].fill.call(o, 1);
});

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test/built-ins/Array/prototype/fill/return-abrupt-from-this-length.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToLength(Get(O, "length")).
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
1. Let O be ToObject(this value).
2. ReturnIfAbrupt(O).
3. Let len be ToLength(Get(O, "length")).
4. ReturnIfAbrupt(len).
---*/
var o1 = {};
Object.defineProperty(o1, 'length', {
get: function() {
throw new Test262Error();
},
configurable: true
});
assert.throws(Test262Error, function() {
[].fill.call(o1, 1);
});
var o2 = {
length: {
valueOf: function() {
throw new Test262Error();
}
}
};
assert.throws(Test262Error, function() {
[].fill.call(o2, 1);
});

20
test/built-ins/Array/prototype/fill/return-abrupt-from-this.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Return abrupt from ToObject(this value).
info: >
22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
1. Let O be ToObject(this value).
2. ReturnIfAbrupt(O).
---*/
assert.throws(TypeError, function() {
Array.prototype.fill.call(undefined, 1);
});
assert.throws(TypeError, function() {
Array.prototype.fill.call(null, 1);
});

20
test/built-ins/Array/prototype/fill/return-this.js vendored Normal file
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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 22.1.3.6
description: >
Returns `this`.
info: >
12. Return O.
---*/
var arr = [];
var result = arr.fill(1);
assert.sameValue(result, arr);
var o = {
length: 0
};
result = Array.prototype.fill.call(o);
assert.sameValue(result, o);