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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 --wasm-num-compilation-tasks=10 |
| 6 |
| 7 load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 load("test/mjsunit/wasm/wasm-module-builder.js"); |
| 9 |
| 10 function assertModule(module, memsize) { |
| 11 // Check the module exists. |
| 12 assertFalse(module === undefined); |
| 13 assertFalse(module === null); |
| 14 assertFalse(module === 0); |
| 15 assertEquals("object", typeof module); |
| 16 |
| 17 // Check the memory is an ArrayBuffer. |
| 18 var mem = module.exports.memory; |
| 19 assertFalse(mem === undefined); |
| 20 assertFalse(mem === null); |
| 21 assertFalse(mem === 0); |
| 22 assertEquals("object", typeof mem); |
| 23 assertTrue(mem instanceof ArrayBuffer); |
| 24 for (var i = 0; i < 4; i++) { |
| 25 module.exports.memory = 0; // should be ignored |
| 26 assertEquals(mem, module.exports.memory); |
| 27 } |
| 28 |
| 29 assertEquals(memsize, module.exports.memory.byteLength); |
| 30 } |
| 31 |
| 32 function assertFunction(module, func) { |
| 33 assertEquals("object", typeof module.exports); |
| 34 |
| 35 var exp = module.exports[func]; |
| 36 assertFalse(exp === undefined); |
| 37 assertFalse(exp === null); |
| 38 assertFalse(exp === 0); |
| 39 assertEquals("function", typeof exp); |
| 40 return exp; |
| 41 } |
| 42 |
| 43 (function CompileFunctionsTest() { |
| 44 |
| 45 var builder = new WasmModuleBuilder(); |
| 46 |
| 47 builder.addMemory(1, 1, true); |
| 48 for (i = 0; i < 1000; i++) { |
| 49 builder.addFunction("sub" + i, kSig_i_i) |
| 50 .addBody([ // -- |
| 51 kExprGetLocal, 0, // -- |
| 52 kExprI32Const, i % 61, // -- |
| 53 kExprI32Sub]) // -- |
| 54 .exportFunc() |
| 55 } |
| 56 |
| 57 var module = builder.instantiate(); |
| 58 assertModule(module, kPageSize); |
| 59 |
| 60 // Check the properties of the functions. |
| 61 for (i = 0; i < 1000; i++) { |
| 62 var sub = assertFunction(module, "sub" + i); |
| 63 assertEquals(33 - (i % 61), sub(33)); |
| 64 } |
| 65 })(); |
| 66 |
| 67 (function CallFunctionsTest() { |
| 68 |
| 69 var builder = new WasmModuleBuilder(); |
| 70 |
| 71 var f = [] |
| 72 |
| 73 f[0] = builder.addFunction("add0", kSig_i_ii) |
| 74 .addBody([ |
| 75 kExprGetLocal, 0, // -- |
| 76 kExprGetLocal, 1, // -- |
| 77 kExprI32Add, // -- |
| 78 ]) |
| 79 .exportFunc() |
| 80 |
| 81 builder.addMemory(1, 1, true); |
| 82 for (i = 1; i < 256; i++) { |
| 83 f[i] = builder.addFunction("add" + i, kSig_i_ii) |
| 84 .addBody([ // -- |
| 85 kExprGetLocal, 0, // -- |
| 86 kExprGetLocal, 1, // -- |
| 87 kExprCallFunction, kArity2, f[i >>> 1].index]) // -- |
| 88 .exportFunc() |
| 89 } |
| 90 var module = builder.instantiate(); |
| 91 assertModule(module, kPageSize); |
| 92 |
| 93 // Check the properties of the functions. |
| 94 for (i = 0; i < 256; i++) { |
| 95 var add = assertFunction(module, "add" + i); |
| 96 assertEquals(88, add(33, 55)); |
| 97 assertEquals(88888, add(33333, 55555)); |
| 98 assertEquals(8888888, add(3333333, 5555555)); |
| 99 } |
| 100 })(); |
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