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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --harmony-sharedarraybuffer | 5 // Flags: --harmony-sharedarraybuffer |
6 | 6 |
7 function Module(stdlib, foreign, heap, offset) { | 7 function Module(stdlib, foreign, heap, offset) { |
8 "use asm"; | 8 "use asm"; |
9 var MEM8 = new stdlib.Int8Array(heap, offset); | 9 var MEM8 = new stdlib.Int8Array(heap, offset); |
10 var MEM16 = new stdlib.Int16Array(heap, offset); | 10 var MEM16 = new stdlib.Int16Array(heap, offset); |
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79 | 79 |
80 var ta = new taConstr(sab, offset); | 80 var ta = new taConstr(sab, offset); |
81 var name = Object.prototype.toString.call(ta); | 81 var name = Object.prototype.toString.call(ta); |
82 assertEquals(0, ta[0]); | 82 assertEquals(0, ta[0]); |
83 assertEquals(0, f(0, 0, 50), name); | 83 assertEquals(0, f(0, 0, 50), name); |
84 assertEquals(50, ta[0]); | 84 assertEquals(50, ta[0]); |
85 // Value is not equal to 0, so compareExchange won't store 100 | 85 // Value is not equal to 0, so compareExchange won't store 100 |
86 assertEquals(50, f(0, 0, 100), name); | 86 assertEquals(50, f(0, 0, 100), name); |
87 assertEquals(50, ta[0]); | 87 assertEquals(50, ta[0]); |
88 // out of bounds | 88 // out of bounds |
89 assertEquals(oobValue, f(-1, 0, 0), name); | 89 assertThrows(function() { f(-1, 0, 0); }); |
90 assertEquals(oobValue, f(ta.length, 0, 0), name); | 90 assertThrows(function() { f(ta.length, 0, 0); }); |
91 } | 91 } |
92 | 92 |
93 function testElement(m, offset) { | 93 function testElement(m, offset) { |
94 testElementType(Int8Array, m.compareExchangei8, 0, offset); | 94 testElementType(Int8Array, m.compareExchangei8, 0, offset); |
95 testElementType(Int16Array, m.compareExchangei16, 0, offset); | 95 testElementType(Int16Array, m.compareExchangei16, 0, offset); |
96 testElementType(Int32Array, m.compareExchangei32, 0, offset); | 96 testElementType(Int32Array, m.compareExchangei32, 0, offset); |
97 testElementType(Uint8Array, m.compareExchangeu8, 0, offset); | 97 testElementType(Uint8Array, m.compareExchangeu8, 0, offset); |
98 testElementType(Uint16Array, m.compareExchangeu16, 0, offset); | 98 testElementType(Uint16Array, m.compareExchangeu16, 0, offset); |
99 testElementType(Uint32Array, m.compareExchangeu32, 0, offset); | 99 testElementType(Uint32Array, m.compareExchangeu32, 0, offset); |
100 } | 100 } |
101 | 101 |
102 var offset = 0; | 102 var offset = 0; |
103 var sab = new SharedArrayBuffer(16); | 103 var sab = new SharedArrayBuffer(16); |
104 var m1 = Module(this, {}, sab, offset); | 104 var m1 = Module(this, {}, sab, offset); |
105 testElement(m1, offset); | 105 testElement(m1, offset); |
106 | 106 |
107 offset = 32; | 107 offset = 32; |
108 sab = new SharedArrayBuffer(64); | 108 sab = new SharedArrayBuffer(64); |
109 var m2 = Module(this, {}, sab, offset); | 109 var m2 = Module(this, {}, sab, offset); |
110 testElement(m2, offset); | 110 testElement(m2, offset); |
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