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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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: --expose-wasm --expose-gc | 5 // Flags: --expose-wasm --expose-gc |
6 | 6 |
7 load("test/mjsunit/wasm/wasm-constants.js"); | 7 load("test/mjsunit/wasm/wasm-constants.js"); |
8 load("test/mjsunit/wasm/wasm-module-builder.js"); | 8 load("test/mjsunit/wasm/wasm-module-builder.js"); |
9 | 9 |
10 // This test verifies that when instances are exported, Gc'ed, the other | 10 // This test verifies that when instances are exported, Gc'ed, the other |
11 // instances in the chain still maintain a consistent view of the memory. | 11 // instances in the chain still maintain a consistent view of the memory. |
12 (function ValidateSharedInstanceMemory() { | 12 (function ValidateSharedInstanceMemory() { |
13 print("ValidateSharedInstanceMemory"); | 13 print("ValidateSharedInstanceMemory"); |
14 let memory = new WebAssembly.Memory({initial: 5, maximum: 100}); | 14 let memory = new WebAssembly.Memory({initial: 5, maximum: 100}); |
15 var builder = new WasmModuleBuilder(); | 15 var builder = new WasmModuleBuilder(); |
16 builder.addImportedMemory("imported_mem"); | 16 builder.addImportedMemory("mod", "imported_mem"); |
17 builder.addFunction("mem_size", kSig_i_v) | 17 builder.addFunction("mem_size", kSig_i_v) |
18 .addBody([kExprMemorySize, kMemoryZero]) | 18 .addBody([kExprMemorySize, kMemoryZero]) |
19 .exportFunc(); | 19 .exportFunc(); |
20 builder.addFunction("grow", kSig_i_i) | 20 builder.addFunction("grow", kSig_i_i) |
21 .addBody([kExprGetLocal, 0, kExprGrowMemory, kMemoryZero]) | 21 .addBody([kExprGetLocal, 0, kExprGrowMemory, kMemoryZero]) |
22 .exportFunc(); | 22 .exportFunc(); |
23 var instances = []; | 23 var instances = []; |
24 for (var i = 0; i < 5; i++) { | 24 for (var i = 0; i < 5; i++) { |
25 instances.push(builder.instantiate({imported_mem: memory})); | 25 instances.push(builder.instantiate({mod: {imported_mem: memory}})); |
26 } | 26 } |
27 function grow_instance_0(pages) { return instances[0].exports.grow(pages); } | 27 function grow_instance_0(pages) { return instances[0].exports.grow(pages); } |
28 function grow_instance_1(pages) { return instances[1].exports.grow(pages); } | 28 function grow_instance_1(pages) { return instances[1].exports.grow(pages); } |
29 function grow_instance_2(pages) { return instances[2].exports.grow(pages); } | 29 function grow_instance_2(pages) { return instances[2].exports.grow(pages); } |
30 function grow_instance_3(pages) { return instances[3].exports.grow(pages); } | 30 function grow_instance_3(pages) { return instances[3].exports.grow(pages); } |
31 function grow_instance_4(pages) { return instances[4].exports.grow(pages); } | 31 function grow_instance_4(pages) { return instances[4].exports.grow(pages); } |
32 | 32 |
33 var start_index = 0; | 33 var start_index = 0; |
34 var end_index = 5; | 34 var end_index = 5; |
35 function verify_mem_size(expected_pages) { | 35 function verify_mem_size(expected_pages) { |
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75 | 75 |
76 // i[2] - i[3] | 76 // i[2] - i[3] |
77 assertEquals(23, instances[2].exports.mem_size()); | 77 assertEquals(23, instances[2].exports.mem_size()); |
78 assertEquals(23, instances[3].exports.mem_size()); | 78 assertEquals(23, instances[3].exports.mem_size()); |
79 assertEquals(23, grow_instance_3(5)); | 79 assertEquals(23, grow_instance_3(5)); |
80 assertEquals(28*kPageSize, memory.buffer.byteLength); | 80 assertEquals(28*kPageSize, memory.buffer.byteLength); |
81 assertEquals(28, instances[2].exports.mem_size()); | 81 assertEquals(28, instances[2].exports.mem_size()); |
82 assertEquals(28, instances[3].exports.mem_size()); | 82 assertEquals(28, instances[3].exports.mem_size()); |
83 | 83 |
84 // Instantiate a new instance and verify that it can be grown correctly. | 84 // Instantiate a new instance and verify that it can be grown correctly. |
85 instances.push(builder.instantiate({imported_mem: memory})); | 85 instances.push(builder.instantiate({mod: {imported_mem: memory}})); |
86 function grow_instance_5(pages) { return instances[5].exports.grow(pages); } | 86 function grow_instance_5(pages) { return instances[5].exports.grow(pages); } |
87 | 87 |
88 // i[2] - i[3] - i[5] | 88 // i[2] - i[3] - i[5] |
89 assertEquals(28, instances[2].exports.mem_size()); | 89 assertEquals(28, instances[2].exports.mem_size()); |
90 assertEquals(28, instances[3].exports.mem_size()); | 90 assertEquals(28, instances[3].exports.mem_size()); |
91 assertEquals(28, instances[5].exports.mem_size()); | 91 assertEquals(28, instances[5].exports.mem_size()); |
92 assertEquals(28, grow_instance_5(2)); | 92 assertEquals(28, grow_instance_5(2)); |
93 assertEquals(30*kPageSize, memory.buffer.byteLength); | 93 assertEquals(30*kPageSize, memory.buffer.byteLength); |
94 assertEquals(30, instances[2].exports.mem_size()); | 94 assertEquals(30, instances[2].exports.mem_size()); |
95 assertEquals(30, instances[3].exports.mem_size()); | 95 assertEquals(30, instances[3].exports.mem_size()); |
96 assertEquals(30, instances[5].exports.mem_size()); | 96 assertEquals(30, instances[5].exports.mem_size()); |
97 assertEquals(30, memory.grow(5)); | 97 assertEquals(30, memory.grow(5)); |
98 assertEquals(35*kPageSize, memory.buffer.byteLength); | 98 assertEquals(35*kPageSize, memory.buffer.byteLength); |
99 assertEquals(35, instances[2].exports.mem_size()); | 99 assertEquals(35, instances[2].exports.mem_size()); |
100 assertEquals(35, instances[3].exports.mem_size()); | 100 assertEquals(35, instances[3].exports.mem_size()); |
101 assertEquals(35, instances[5].exports.mem_size()); | 101 assertEquals(35, instances[5].exports.mem_size()); |
102 | 102 |
103 })(); | 103 })(); |
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