Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --expose-wasm |
| 6 | |
| 7 | load("test/mjsunit/wasm/wasm-constants.js"); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 8 | load("test/mjsunit/wasm/wasm-module-builder.js"); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 9 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 10 | let kReturnValue = 117; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 11 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 12 | let buffer = (() => { |
| 13 | let builder = new WasmModuleBuilder(); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 14 | builder.addMemory(1, 1, true); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 15 | builder.addFunction("main", kSig_i) |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 16 | .addBody([kExprI8Const, kReturnValue]) |
| 17 | .exportFunc(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 18 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 19 | return builder.toBuffer(); |
| 20 | })() |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 21 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 22 | function CheckInstance(instance) { |
| 23 | assertFalse(instance === undefined); |
| 24 | assertFalse(instance === null); |
| 25 | assertFalse(instance === 0); |
| 26 | assertEquals("object", typeof instance); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 27 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 28 | // Check the memory is an ArrayBuffer. |
| 29 | var mem = instance.exports.memory; |
| 30 | assertFalse(mem === undefined); |
| 31 | assertFalse(mem === null); |
| 32 | assertFalse(mem === 0); |
| 33 | assertEquals("object", typeof mem); |
| 34 | assertTrue(mem instanceof ArrayBuffer); |
| 35 | for (let i = 0; i < 4; i++) { |
| 36 | instance.exports.memory = 0; // should be ignored |
| 37 | assertSame(mem, instance.exports.memory); |
| 38 | } |
| 39 | |
| 40 | assertEquals(65536, instance.exports.memory.byteLength); |
| 41 | |
| 42 | // Check the properties of the main function. |
| 43 | let main = instance.exports.main; |
| 44 | assertFalse(main === undefined); |
| 45 | assertFalse(main === null); |
| 46 | assertFalse(main === 0); |
| 47 | assertEquals("function", typeof main); |
| 48 | |
| 49 | assertEquals(kReturnValue, main()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 50 | } |
| 51 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 52 | // Deprecated experimental API. |
| 53 | CheckInstance(Wasm.instantiateModule(buffer)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 54 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 55 | // Official API |
| 56 | let module = new WebAssembly.Module(buffer); |
| 57 | CheckInstance(new WebAssembly.Instance(module)); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 58 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 59 | let promise = WebAssembly.compile(buffer); |
| 60 | promise.then(module => CheckInstance(new WebAssembly.Instance(module))); |