Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +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 |
| 6 | |
| 7 | load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 | |
| 9 | function testStack(func, check) { |
| 10 | var kBodySize = 2; |
| 11 | var kNameFunOffset = 22 + kBodySize + 1; |
| 12 | var kNameMainOffset = kNameFunOffset + 4; |
| 13 | |
| 14 | var ffi = new Object(); |
| 15 | ffi.fun = func; |
| 16 | |
| 17 | var data = bytes( |
| 18 | // signatures |
| 19 | kDeclSignatures, 1, // -- |
| 20 | 0, kAstStmt, // () -> void |
| 21 | // -- foreign function |
| 22 | kDeclFunctions, 2, // -- |
| 23 | kDeclFunctionName | kDeclFunctionImport, // -- |
| 24 | 0, 0, // -- |
| 25 | kNameFunOffset, 0, 0, 0, // name offset |
| 26 | // -- main function |
| 27 | kDeclFunctionName | kDeclFunctionExport, // -- |
| 28 | 0, 0, // -- |
| 29 | kNameMainOffset, 0, 0, 0, // name offset |
| 30 | kBodySize, 0, |
| 31 | // main body |
| 32 | kExprCallFunction, 0, // -- |
| 33 | // names |
| 34 | kDeclEnd, // -- |
| 35 | 'f', 'u', 'n', 0, // -- |
| 36 | 'm', 'a', 'i', 'n', 0 // -- |
| 37 | ); |
| 38 | |
| 39 | var module = _WASMEXP_.instantiateModule(data, ffi); |
| 40 | |
| 41 | assertEquals("function", typeof module.main); |
| 42 | |
| 43 | module.main(); |
| 44 | check(); |
| 45 | } |
| 46 | |
| 47 | // The stack trace contains file path, only keep "stack.js". |
| 48 | function stripPath(s) { |
| 49 | return s.replace(/[^ (]*stack\.js/g, "stack.js"); |
| 50 | } |
| 51 | |
| 52 | var stack; |
| 53 | function STACK() { |
| 54 | var e = new Error(); |
| 55 | stack = e.stack; |
| 56 | } |
| 57 | |
| 58 | function check_STACK() { |
| 59 | assertEquals(expected, stripPath(stack)); |
| 60 | } |
| 61 | |
| 62 | var expected = "Error\n" + |
| 63 | // The line numbers below will change as this test gains / loses lines.. |
| 64 | " at STACK (stack.js:54:11)\n" + // -- |
| 65 | " at testStack (stack.js:43:10)\n" + |
| 66 | // TODO(jfb) Add WebAssembly stack here. |
| 67 | " at stack.js:69:1"; |
| 68 | |
| 69 | testStack(STACK, check_STACK); |