Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 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 | })(); |