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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
| 28 // Flags: --harmony-tostring |
| 29 |
28 // ArrayBuffer | 30 // ArrayBuffer |
29 | 31 |
30 function TestByteLength(param, expectedByteLength) { | 32 function TestByteLength(param, expectedByteLength) { |
31 var ab = new ArrayBuffer(param); | 33 var ab = new ArrayBuffer(param); |
32 assertSame(expectedByteLength, ab.byteLength); | 34 assertSame(expectedByteLength, ab.byteLength); |
33 } | 35 } |
34 | 36 |
35 function TestArrayBufferCreation() { | 37 function TestArrayBufferCreation() { |
36 TestByteLength(1, 1); | 38 TestByteLength(1, 1); |
37 TestByteLength(256, 256); | 39 TestByteLength(256, 256); |
38 TestByteLength(2.567, 2); | 40 TestByteLength(2.567, 2); |
39 | 41 |
40 TestByteLength("abc", 0); | 42 TestByteLength("abc", 0); |
41 | 43 |
42 TestByteLength(0, 0); | 44 TestByteLength(0, 0); |
43 | 45 |
44 assertThrows(function() { new ArrayBuffer(-10); }, RangeError); | 46 assertThrows(function() { new ArrayBuffer(-10); }, RangeError); |
45 assertThrows(function() { new ArrayBuffer(-2.567); }, RangeError); | 47 assertThrows(function() { new ArrayBuffer(-2.567); }, RangeError); |
46 | 48 |
47 /* TODO[dslomov]: Reenable the test | 49 /* TODO[dslomov]: Reenable the test |
48 assertThrows(function() { | 50 assertThrows(function() { |
49 var ab1 = new ArrayBuffer(0xFFFFFFFFFFFF) | 51 var ab1 = new ArrayBuffer(0xFFFFFFFFFFFF) |
50 }, RangeError); | 52 }, RangeError); |
51 */ | 53 */ |
52 | 54 |
53 var ab = new ArrayBuffer(); | 55 var ab = new ArrayBuffer(); |
54 assertSame(0, ab.byteLength); | 56 assertSame(0, ab.byteLength); |
| 57 assertEquals("[object ArrayBuffer]", |
| 58 Object.prototype.toString.call(ab)); |
55 } | 59 } |
56 | 60 |
57 TestArrayBufferCreation(); | 61 TestArrayBufferCreation(); |
58 | 62 |
59 function TestByteLengthNotWritable() { | 63 function TestByteLengthNotWritable() { |
60 var ab = new ArrayBuffer(1024); | 64 var ab = new ArrayBuffer(1024); |
61 assertSame(1024, ab.byteLength); | 65 assertSame(1024, ab.byteLength); |
62 | 66 |
63 assertThrows(function() { "use strict"; ab.byteLength = 42; }, TypeError); | 67 assertThrows(function() { "use strict"; ab.byteLength = 42; }, TypeError); |
64 } | 68 } |
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116 TestArrayBufferSlice(); | 120 TestArrayBufferSlice(); |
117 | 121 |
118 // Typed arrays | 122 // Typed arrays |
119 | 123 |
120 function TestTypedArray(constr, elementSize, typicalElement) { | 124 function TestTypedArray(constr, elementSize, typicalElement) { |
121 assertSame(elementSize, constr.BYTES_PER_ELEMENT); | 125 assertSame(elementSize, constr.BYTES_PER_ELEMENT); |
122 | 126 |
123 var ab = new ArrayBuffer(256*elementSize); | 127 var ab = new ArrayBuffer(256*elementSize); |
124 | 128 |
125 var a0 = new constr(30); | 129 var a0 = new constr(30); |
| 130 assertEquals("[object " + constr.name + "]", |
| 131 Object.prototype.toString.call(a0)); |
| 132 |
126 assertTrue(ArrayBuffer.isView(a0)); | 133 assertTrue(ArrayBuffer.isView(a0)); |
127 assertSame(elementSize, a0.BYTES_PER_ELEMENT); | 134 assertSame(elementSize, a0.BYTES_PER_ELEMENT); |
128 assertSame(30, a0.length); | 135 assertSame(30, a0.length); |
129 assertSame(30*elementSize, a0.byteLength); | 136 assertSame(30*elementSize, a0.byteLength); |
130 assertSame(0, a0.byteOffset); | 137 assertSame(0, a0.byteOffset); |
131 assertSame(30*elementSize, a0.buffer.byteLength); | 138 assertSame(30*elementSize, a0.buffer.byteLength); |
132 | 139 |
133 var aLen0 = new constr(0); | 140 var aLen0 = new constr(0); |
134 assertSame(elementSize, aLen0.BYTES_PER_ELEMENT); | 141 assertSame(elementSize, aLen0.BYTES_PER_ELEMENT); |
135 assertSame(0, aLen0.length); | 142 assertSame(0, aLen0.length); |
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667 TestArbitrary(new ArrayBuffer(256)); | 674 TestArbitrary(new ArrayBuffer(256)); |
668 for(i = 0; i < typedArrayConstructors.length; i++) { | 675 for(i = 0; i < typedArrayConstructors.length; i++) { |
669 TestArbitrary(new typedArrayConstructors[i](10)); | 676 TestArbitrary(new typedArrayConstructors[i](10)); |
670 } | 677 } |
671 TestArbitrary(new DataView(new ArrayBuffer(256))); | 678 TestArbitrary(new DataView(new ArrayBuffer(256))); |
672 | 679 |
673 | 680 |
674 // Test direct constructor call | 681 // Test direct constructor call |
675 assertThrows(function() { ArrayBuffer(); }, TypeError); | 682 assertThrows(function() { ArrayBuffer(); }, TypeError); |
676 assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError); | 683 assertThrows(function() { DataView(new ArrayBuffer()); }, TypeError); |
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