kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 1 | // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 28 | function testMethodNameInference() { |
| 29 | function Foo() { } |
| 30 | Foo.prototype.bar = function () { FAIL; }; |
| 31 | (new Foo).bar(); |
| 32 | } |
| 33 | |
| 34 | function testNested() { |
| 35 | function one() { |
| 36 | function two() { |
| 37 | function three() { |
| 38 | FAIL; |
| 39 | } |
| 40 | three(); |
| 41 | } |
| 42 | two(); |
| 43 | } |
| 44 | one(); |
| 45 | } |
| 46 | |
| 47 | function testArrayNative() { |
| 48 | [1, 2, 3].map(function () { FAIL; }); |
| 49 | } |
| 50 | |
| 51 | function testImplicitConversion() { |
| 52 | function Nirk() { } |
| 53 | Nirk.prototype.valueOf = function () { FAIL; }; |
| 54 | return 1 + (new Nirk); |
| 55 | } |
| 56 | |
| 57 | function testEval() { |
| 58 | eval("function Doo() { FAIL; }; Doo();"); |
| 59 | } |
| 60 | |
| 61 | function testNestedEval() { |
| 62 | var x = "FAIL"; |
| 63 | eval("function Outer() { eval('function Inner() { eval(x); }'); Inner(); }; Outer();"); |
| 64 | } |
| 65 | |
| 66 | function testValue() { |
| 67 | Number.prototype.causeError = function () { FAIL; }; |
| 68 | (1).causeError(); |
| 69 | } |
| 70 | |
| 71 | function testConstructor() { |
| 72 | function Plonk() { FAIL; } |
| 73 | new Plonk(); |
| 74 | } |
| 75 | |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 76 | function testRenamedMethod() { |
| 77 | function a$b$c$d() { return FAIL; } |
| 78 | function Wookie() { } |
| 79 | Wookie.prototype.d = a$b$c$d; |
| 80 | (new Wookie).d(); |
| 81 | } |
| 82 | |
| 83 | function testAnonymousMethod() { |
| 84 | (function () { FAIL }).call([1, 2, 3]); |
| 85 | } |
| 86 | |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 87 | function CustomError(message, stripPoint) { |
| 88 | this.message = message; |
| 89 | Error.captureStackTrace(this, stripPoint); |
| 90 | } |
| 91 | |
| 92 | CustomError.prototype.toString = function () { |
| 93 | return "CustomError: " + this.message; |
| 94 | }; |
| 95 | |
| 96 | function testDefaultCustomError() { |
| 97 | throw new CustomError("hep-hey", undefined); |
| 98 | } |
| 99 | |
| 100 | function testStrippedCustomError() { |
| 101 | throw new CustomError("hep-hey", CustomError); |
| 102 | } |
| 103 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 104 | // Utility function for testing that the expected strings occur |
| 105 | // in the stack trace produced when running the given function. |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 106 | function testTrace(fun, expected, unexpected) { |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 107 | var threw = false; |
| 108 | try { |
| 109 | fun(); |
| 110 | } catch (e) { |
| 111 | for (var i = 0; i < expected.length; i++) { |
| 112 | assertTrue(e.stack.indexOf(expected[i]) != -1); |
| 113 | } |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 114 | if (unexpected) { |
| 115 | for (var i = 0; i < unexpected.length; i++) { |
| 116 | assertEquals(e.stack.indexOf(unexpected[i]), -1); |
| 117 | } |
| 118 | } |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 119 | threw = true; |
| 120 | } |
| 121 | assertTrue(threw); |
| 122 | } |
| 123 | |
| 124 | // Test that the error constructor is not shown in the trace |
| 125 | function testCallerCensorship() { |
| 126 | var threw = false; |
| 127 | try { |
| 128 | FAIL; |
| 129 | } catch (e) { |
| 130 | assertEquals(-1, e.stack.indexOf('at new ReferenceError')); |
| 131 | threw = true; |
| 132 | } |
| 133 | assertTrue(threw); |
| 134 | } |
| 135 | |
| 136 | // Test that the explicit constructor call is shown in the trace |
| 137 | function testUnintendedCallerCensorship() { |
| 138 | var threw = false; |
| 139 | try { |
| 140 | new ReferenceError({ |
| 141 | toString: function () { |
| 142 | FAIL; |
| 143 | } |
| 144 | }); |
| 145 | } catch (e) { |
| 146 | assertTrue(e.stack.indexOf('at new ReferenceError') != -1); |
| 147 | threw = true; |
| 148 | } |
| 149 | assertTrue(threw); |
| 150 | } |
| 151 | |
| 152 | // If an error occurs while the stack trace is being formatted it should |
| 153 | // be handled gracefully. |
| 154 | function testErrorsDuringFormatting() { |
| 155 | function Nasty() { } |
| 156 | Nasty.prototype.foo = function () { throw new RangeError(); }; |
| 157 | var n = new Nasty(); |
| 158 | n.__defineGetter__('constructor', function () { CONS_FAIL; }); |
| 159 | var threw = false; |
| 160 | try { |
| 161 | n.foo(); |
| 162 | } catch (e) { |
| 163 | threw = true; |
| 164 | assertTrue(e.stack.indexOf('<error: ReferenceError') != -1); |
| 165 | } |
| 166 | assertTrue(threw); |
| 167 | threw = false; |
| 168 | // Now we can't even format the message saying that we couldn't format |
| 169 | // the stack frame. Put that in your pipe and smoke it! |
| 170 | ReferenceError.prototype.toString = function () { NESTED_FAIL; }; |
| 171 | try { |
| 172 | n.foo(); |
| 173 | } catch (e) { |
| 174 | threw = true; |
| 175 | assertTrue(e.stack.indexOf('<error>') != -1); |
| 176 | } |
| 177 | assertTrue(threw); |
| 178 | } |
| 179 | |
| 180 | testTrace(testArrayNative, ["Array.map (native)"]); |
| 181 | testTrace(testNested, ["at one", "at two", "at three"]); |
| 182 | testTrace(testMethodNameInference, ["at Foo.bar"]); |
| 183 | testTrace(testImplicitConversion, ["at Nirk.valueOf"]); |
| 184 | testTrace(testEval, ["at Doo (eval at testEval"]); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 185 | testTrace(testNestedEval, ["eval at Inner (eval at Outer"]); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 186 | testTrace(testValue, ["at Number.causeError"]); |
| 187 | testTrace(testConstructor, ["new Plonk"]); |
kasperl@chromium.org | 86f77b7 | 2009-07-06 08:21:57 +0000 | [diff] [blame] | 188 | testTrace(testRenamedMethod, ["Wookie.a$b$c$d [as d]"]); |
| 189 | testTrace(testAnonymousMethod, ["Array.<anonymous>"]); |
sgjesse@chromium.org | 0b6db59 | 2009-07-30 14:48:31 +0000 | [diff] [blame] | 190 | testTrace(testDefaultCustomError, ["hep-hey", "new CustomError"], |
| 191 | ["collectStackTrace"]); |
| 192 | testTrace(testStrippedCustomError, ["hep-hey"], ["new CustomError", |
| 193 | "collectStackTrace"]); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 194 | |
| 195 | testCallerCensorship(); |
| 196 | testUnintendedCallerCensorship(); |
| 197 | testErrorsDuringFormatting(); |