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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: --validate-asm | |
6 | |
7 var filename = '(?:[^ ]+/)?test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js'; | |
8 filename = filename.replace(/\//g, '[/\\\\]'); | |
9 | |
10 function verifyStack(frames, expected) { | |
11 assertTrue(frames.length >= expected.length, 'too few frames'); | |
12 print('frames on detailed stack (' + frames.length + '):'); | |
13 frames.forEach((fr, i) => print('[' + i + '] ' + fr)); | |
14 expected.forEach(function(exp, i) { | |
15 assertEquals( | |
16 exp[0], frames[i].getFunctionName(), '[' + i + '].getFunctionName()'); | |
17 assertEquals( | |
18 exp[1], frames[i].getColumnNumber(), '[' + i + '].getColumnNumber()'); | |
19 }); | |
20 } | |
21 | |
22 function verifyPreformattedStack(e, expected_lines) { | |
23 print('preformatted stack: ' + e.stack); | |
24 var lines = e.stack.split('\n'); | |
25 assertTrue(lines.length >= expected_lines.length, 'too few lines'); | |
26 for (var i = 0; i < expected_lines.length; ++i) { | |
27 assertMatches(expected_lines[i], lines[i], 'line ' + i); | |
28 } | |
29 } | |
30 | |
31 function sym(return_sym) { | |
32 if (return_sym) return Symbol(); | |
33 throw Error("user-thrown"); | |
34 } | |
35 | |
36 function generateAsmJs(stdlib, foreign) { | |
37 'use asm'; | |
38 var sym = foreign.sym; | |
39 function callSym(i) { | |
40 i=i|0; | |
41 return sym(i|0) | 0; | |
42 } | |
43 return callSym; | |
44 } | |
45 | |
46 function testHelper(use_asm_js, check_detailed, expected, input) { | |
47 if (check_detailed) { | |
48 Error.prepareStackTrace = (error, frames) => frames; | |
49 } else { | |
50 delete Error.prepareStackTrace; | |
51 } | |
52 | |
53 var fn_code = '(' + generateAsmJs.toString() + ')({}, {sym: sym})'; | |
54 if (!use_asm_js) fn_code = fn_code.replace('use asm', ''); | |
55 //print('executing:\n' + fn_code); | |
56 var asm_js_fn = eval(fn_code); | |
57 try { | |
58 asm_js_fn(input); | |
59 } catch (e) { | |
60 if (check_detailed) { | |
61 verifyStack(e.stack, expected); | |
62 } else { | |
63 verifyPreformattedStack(e, expected); | |
64 } | |
65 } | |
66 } | |
67 | |
68 function testAll(expected_stack, expected_frames, input) { | |
69 for (use_asm_js = 0; use_asm_js <= 1; ++use_asm_js) { | |
70 for (test_detailed = 0; test_detailed <= 1; ++test_detailed) { | |
71 print('\nConfig: asm ' + use_asm_js + '; detailed ' + test_detailed); | |
72 testHelper( | |
73 use_asm_js, test_detailed, | |
74 test_detailed ? expected_frames : expected_stack, input); | |
75 } | |
76 } | |
77 } | |
78 | |
79 (function testStackForThrowAtCall() { | |
80 var expected_stack = [ | |
81 '^Error: user-thrown$', | |
82 '^ *at sym \\(' + filename + ':\\d+:9\\)$', | |
83 '^ *at callSym \\(.*<anonymous>:\\d+:12\\)$', | |
84 ]; | |
85 var expected_frames = [ | |
86 // function pos | |
87 [ "sym", 9], | |
88 [ "callSym", 12], | |
89 ]; | |
90 | |
91 testAll(expected_stack, expected_frames, 0); | |
92 })(); | |
93 | |
94 (function testStackForThrowAtConversion() { | |
95 var expected_stack = [ | |
96 '^TypeError: Cannot convert a Symbol value to a number$', | |
97 '^ *at callSym \\(.*<anonymous>:\\d+:21\\)$', | |
98 ]; | |
99 var expected_frames = [ | |
100 // function pos | |
101 [ "callSym", 21], | |
102 ]; | |
103 | |
104 testAll(expected_stack, expected_frames, 1); | |
105 })(); | |
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