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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --expose-wasm |
| 6 |
| 7 load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 load("test/mjsunit/wasm/wasm-module-builder.js"); |
| 9 |
| 10 (function TestOne() { |
| 11 print("TestOne"); |
| 12 let memory = new WebAssembly.Memory({initial: 1}); |
| 13 assertEquals(kPageSize, memory.buffer.byteLength); |
| 14 let i32 = new Int32Array(memory.buffer); |
| 15 let builder = new WasmModuleBuilder(); |
| 16 builder.addImportedMemory("mine"); |
| 17 builder.addFunction("main", kSig_i_v) |
| 18 .addBody([ |
| 19 kExprI32Const, 0, |
| 20 kExprI32LoadMem, 0, 0]) |
| 21 .exportAs("main"); |
| 22 |
| 23 let main = builder.instantiate({mine: memory}).exports.main; |
| 24 assertEquals(0, main()); |
| 25 |
| 26 i32[0] = 993377; |
| 27 |
| 28 assertEquals(993377, main()); |
| 29 })(); |
| 30 |
| 31 (function TestIdentity() { |
| 32 print("TestIdentity"); |
| 33 let memory = new WebAssembly.Memory({initial: 1}); |
| 34 let i32 = new Int32Array(memory.buffer); |
| 35 let builder = new WasmModuleBuilder(); |
| 36 builder.addImportedMemory("garg"); |
| 37 builder.exportMemoryAs("daggle"); |
| 38 |
| 39 let instance = builder.instantiate({garg: memory}); |
| 40 assertSame(memory, instance.exports.daggle); |
| 41 })(); |
| 42 |
| 43 |
| 44 (function TestImportExport() { |
| 45 print("TestImportExport"); |
| 46 var i1; |
| 47 { |
| 48 let builder = new WasmModuleBuilder(); |
| 49 builder.addMemory(1, 1, false); |
| 50 builder.exportMemoryAs("exported_mem"); |
| 51 builder.addFunction("foo", kSig_i_i) |
| 52 .addBody([ |
| 53 kExprGetLocal, 0, |
| 54 kExprI32LoadMem, 0, 0]) |
| 55 .exportAs("foo"); |
| 56 i1 = builder.instantiate(); |
| 57 } |
| 58 |
| 59 var i2; |
| 60 { |
| 61 let builder = new WasmModuleBuilder(); |
| 62 builder.addMemory(1, 1, false); |
| 63 builder.addImportedMemory("imported_mem"); |
| 64 builder.addFunction("bar", kSig_i_i) |
| 65 .addBody([ |
| 66 kExprGetLocal, 0, |
| 67 kExprI32LoadMem, 0, 0]) |
| 68 .exportAs("bar"); |
| 69 i2 = builder.instantiate({imported_mem: i1.exports.exported_mem}); |
| 70 } |
| 71 |
| 72 let i32 = new Int32Array(i1.exports.exported_mem.buffer); |
| 73 |
| 74 for (var i = 0; i < 1e11; i = i * 3 + 5) { |
| 75 for (var j = 0; j < 10; j++) { |
| 76 var val = i + 99077 + j; |
| 77 i32[j] = val; |
| 78 assertEquals(val | 0, i1.exports.foo(j * 4)); |
| 79 assertEquals(val | 0, i2.exports.bar(j * 4)); |
| 80 } |
| 81 } |
| 82 })(); |
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