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1 // Copyright 2016 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 var thrower = { [Symbol.toPrimitive]: () => FAIL }; | 5 var thrower = { [Symbol.toPrimitive]: () => FAIL }; |
6 | 6 |
7 // Tests that a native conversion function is included in the | 7 // Tests that a native conversion function is included in the |
8 // stack trace. | 8 // stack trace. |
9 function testTraceNativeConversion(nativeFunc) { | 9 function testTraceNativeConversion(nativeFunc) { |
10 var nativeFuncName = nativeFunc.name; | 10 var nativeFuncName = nativeFunc.name; |
11 try { | 11 try { |
12 nativeFunc(thrower); | 12 nativeFunc(thrower); |
13 assertUnreachable(nativeFuncName); | 13 assertUnreachable(nativeFuncName); |
14 } catch (e) { | 14 } catch (e) { |
15 assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName); | 15 assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName); |
16 } | 16 } |
17 } | 17 } |
18 | 18 |
19 testTraceNativeConversion(Math.max); | |
20 testTraceNativeConversion(Math.min); | |
21 | |
22 // C++ builtins. | 19 // C++ builtins. |
23 testTraceNativeConversion(Math.acos); | 20 testTraceNativeConversion(Math.acos); |
24 testTraceNativeConversion(Math.asin); | 21 testTraceNativeConversion(Math.asin); |
25 testTraceNativeConversion(Math.fround); | 22 testTraceNativeConversion(Math.fround); |
26 testTraceNativeConversion(Math.imul); | 23 testTraceNativeConversion(Math.imul); |
27 | 24 |
28 | 25 |
29 function testBuiltinInStackTrace(script, expectedString) { | 26 function testBuiltinInStackTrace(script, expectedString) { |
30 try { | 27 try { |
31 eval(script); | 28 eval(script); |
32 assertUnreachable(expectedString); | 29 assertUnreachable(expectedString); |
33 } catch (e) { | 30 } catch (e) { |
34 assertTrue(e.stack.indexOf(expectedString) >= 0, expectedString); | 31 assertTrue(e.stack.indexOf(expectedString) >= 0, expectedString); |
35 } | 32 } |
36 } | 33 } |
37 | 34 |
38 // Use the full name ('String.getDate') in order to avoid false pass | |
39 // results when the method name is mentioned in the error message itself. | |
40 // This occurs, e.g., for Date.prototype.getYear, which uses a different code | |
41 // path and never hits the Generate_DatePrototype_GetField builtin. | |
42 testBuiltinInStackTrace("Date.prototype.getDate.call('')", "at String.getDate"); | |
43 testBuiltinInStackTrace("Date.prototype.getUTCDate.call('')", | |
44 "at String.getUTCDate"); | |
45 testBuiltinInStackTrace("Date.prototype.getTime.call('')", "at String.getTime"); | |
46 | |
47 // C++ builtins. | 35 // C++ builtins. |
48 testBuiltinInStackTrace("Boolean.prototype.toString.call(thrower);", | 36 testBuiltinInStackTrace("Boolean.prototype.toString.call(thrower);", |
49 "at Object.toString"); | 37 "at Object.toString"); |
50 | 38 |
51 // Constructor builtins. | 39 // Constructor builtins. |
52 testBuiltinInStackTrace("new Date(thrower);", "at new Date"); | 40 testBuiltinInStackTrace("new Date(thrower);", "at new Date"); |
53 | 41 |
54 // Ensure we correctly pick up the receiver's string tag. | 42 // Ensure we correctly pick up the receiver's string tag. |
55 testBuiltinInStackTrace("Math.max(thrower);", "at Math.max"); | |
56 testBuiltinInStackTrace("Math.min(thrower);", "at Math.min"); | |
57 testBuiltinInStackTrace("Math.acos(thrower);", "at Math.acos"); | 43 testBuiltinInStackTrace("Math.acos(thrower);", "at Math.acos"); |
58 testBuiltinInStackTrace("Math.asin(thrower);", "at Math.asin"); | 44 testBuiltinInStackTrace("Math.asin(thrower);", "at Math.asin"); |
59 testBuiltinInStackTrace("Math.fround(thrower);", "at Math.fround"); | 45 testBuiltinInStackTrace("Math.fround(thrower);", "at Math.fround"); |
60 testBuiltinInStackTrace("Math.imul(thrower);", "at Math.imul"); | 46 testBuiltinInStackTrace("Math.imul(thrower);", "at Math.imul"); |
61 | 47 |
62 // As above, but function passed as an argument and then called. | 48 // As above, but function passed as an argument and then called. |
63 testBuiltinInStackTrace("((f, x) => f(x))(Math.max, thrower);", "at max"); | |
64 testBuiltinInStackTrace("((f, x) => f(x))(Math.min, thrower);", "at min"); | |
65 testBuiltinInStackTrace("((f, x) => f(x))(Math.acos, thrower);", "at acos"); | 49 testBuiltinInStackTrace("((f, x) => f(x))(Math.acos, thrower);", "at acos"); |
66 testBuiltinInStackTrace("((f, x) => f(x))(Math.asin, thrower);", "at asin"); | 50 testBuiltinInStackTrace("((f, x) => f(x))(Math.asin, thrower);", "at asin"); |
67 testBuiltinInStackTrace("((f, x) => f(x))(Math.fround, thrower);", "at fround"); | 51 testBuiltinInStackTrace("((f, x) => f(x))(Math.fround, thrower);", "at fround"); |
68 testBuiltinInStackTrace("((f, x) => f(x))(Math.imul, thrower);", "at imul"); | 52 testBuiltinInStackTrace("((f, x) => f(x))(Math.imul, thrower);", "at imul"); |
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