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Issue 2118283003: [builtins] Construct builtin frame in String/Number ctors (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@20160630-tostringtag
Patch Set: Remove TODO Created 4 years, 5 months ago
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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); 19 testTraceNativeConversion(Math.max);
20 testTraceNativeConversion(Math.min); 20 testTraceNativeConversion(Math.min);
21 21
22 // C++ builtins.
23 testTraceNativeConversion(Math.acos);
24 testTraceNativeConversion(Math.asin);
25 testTraceNativeConversion(Math.fround);
26 testTraceNativeConversion(Math.imul);
27
28
29 function testBuiltinInStackTrace(script, expectedString) { 22 function testBuiltinInStackTrace(script, expectedString) {
30 try { 23 try {
31 eval(script); 24 eval(script);
32 assertUnreachable(expectedString); 25 assertUnreachable(expectedString);
33 } catch (e) { 26 } catch (e) {
34 assertTrue(e.stack.indexOf(expectedString) >= 0, expectedString); 27 assertTrue(e.stack.indexOf(expectedString) >= 0, expectedString);
35 } 28 }
36 } 29 }
37 30
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"); 31 testBuiltinInStackTrace("Date.prototype.getDate.call('')", "at String.getDate");
43 testBuiltinInStackTrace("Date.prototype.getUTCDate.call('')", 32 testBuiltinInStackTrace("Date.prototype.getUTCDate.call('')",
44 "at String.getUTCDate"); 33 "at String.getUTCDate");
45 testBuiltinInStackTrace("Date.prototype.getTime.call('')", "at String.getTime"); 34 testBuiltinInStackTrace("Date.prototype.getTime.call('')", "at String.getTime");
46 35
47 // C++ builtins. 36 // TODO(jgruber): These use a more generic expected string until detection of
48 testBuiltinInStackTrace("Boolean.prototype.toString.call(thrower);", 37 // assembly builtin constructors is fixed.
49 "at Object.toString"); 38 testBuiltinInStackTrace("Number(thrower);", "Number");
50 39 testBuiltinInStackTrace("new Number(thrower);", "Number");
51 // Constructor builtins. 40 testBuiltinInStackTrace("String(thrower);", "String");
52 testBuiltinInStackTrace("new Date(thrower);", "at new Date"); 41 testBuiltinInStackTrace("new String(thrower);", "String");
53 42
54 // Ensure we correctly pick up the receiver's string tag. 43 // 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"); 44 testBuiltinInStackTrace("Math.acos(thrower);", "at Math.acos");
58 testBuiltinInStackTrace("Math.asin(thrower);", "at Math.asin"); 45 testBuiltinInStackTrace("Math.asin(thrower);", "at Math.asin");
59 testBuiltinInStackTrace("Math.fround(thrower);", "at Math.fround"); 46 testBuiltinInStackTrace("Math.fround(thrower);", "at Math.fround");
60 testBuiltinInStackTrace("Math.imul(thrower);", "at Math.imul"); 47 testBuiltinInStackTrace("Math.imul(thrower);", "at Math.imul");
61 48
62 // As above, but function passed as an argument and then called. 49 // 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"); 50 testBuiltinInStackTrace("((f, x) => f(x))(Math.acos, thrower);", "at acos");
66 testBuiltinInStackTrace("((f, x) => f(x))(Math.asin, thrower);", "at asin"); 51 testBuiltinInStackTrace("((f, x) => f(x))(Math.asin, thrower);", "at asin");
67 testBuiltinInStackTrace("((f, x) => f(x))(Math.fround, thrower);", "at fround"); 52 testBuiltinInStackTrace("((f, x) => f(x))(Math.fround, thrower);", "at fround");
68 testBuiltinInStackTrace("((f, x) => f(x))(Math.imul, thrower);", "at imul"); 53 testBuiltinInStackTrace("((f, x) => f(x))(Math.imul, thrower);", "at imul");
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