Steve Block | a7e24c1 | 2009-10-30 11:49:00 +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 | |
| 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 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 66 | function testEvalWithSourceURL() { |
| 67 | eval("function Doo() { FAIL; }; Doo();\n//@ sourceURL=res://name"); |
| 68 | } |
| 69 | |
| 70 | function testNestedEvalWithSourceURL() { |
| 71 | var x = "FAIL"; |
| 72 | var innerEval = 'function Inner() { eval(x); }\n//@ sourceURL=res://inner-eval'; |
| 73 | eval("function Outer() { eval(innerEval); Inner(); }; Outer();\n//@ sourceURL=res://outer-eval"); |
| 74 | } |
| 75 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 76 | function testValue() { |
| 77 | Number.prototype.causeError = function () { FAIL; }; |
| 78 | (1).causeError(); |
| 79 | } |
| 80 | |
| 81 | function testConstructor() { |
| 82 | function Plonk() { FAIL; } |
| 83 | new Plonk(); |
| 84 | } |
| 85 | |
| 86 | function testRenamedMethod() { |
| 87 | function a$b$c$d() { return FAIL; } |
| 88 | function Wookie() { } |
| 89 | Wookie.prototype.d = a$b$c$d; |
| 90 | (new Wookie).d(); |
| 91 | } |
| 92 | |
| 93 | function testAnonymousMethod() { |
| 94 | (function () { FAIL }).call([1, 2, 3]); |
| 95 | } |
| 96 | |
| 97 | function CustomError(message, stripPoint) { |
| 98 | this.message = message; |
| 99 | Error.captureStackTrace(this, stripPoint); |
| 100 | } |
| 101 | |
| 102 | CustomError.prototype.toString = function () { |
| 103 | return "CustomError: " + this.message; |
| 104 | }; |
| 105 | |
| 106 | function testDefaultCustomError() { |
| 107 | throw new CustomError("hep-hey", undefined); |
| 108 | } |
| 109 | |
| 110 | function testStrippedCustomError() { |
| 111 | throw new CustomError("hep-hey", CustomError); |
| 112 | } |
| 113 | |
| 114 | // Utility function for testing that the expected strings occur |
| 115 | // in the stack trace produced when running the given function. |
| 116 | function testTrace(name, fun, expected, unexpected) { |
| 117 | var threw = false; |
| 118 | try { |
| 119 | fun(); |
| 120 | } catch (e) { |
| 121 | for (var i = 0; i < expected.length; i++) { |
| 122 | assertTrue(e.stack.indexOf(expected[i]) != -1, |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 123 | name + " doesn't contain expected[" + i + "] stack = " + e.stack); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 124 | } |
| 125 | if (unexpected) { |
| 126 | for (var i = 0; i < unexpected.length; i++) { |
| 127 | assertEquals(e.stack.indexOf(unexpected[i]), -1, |
| 128 | name + " contains unexpected[" + i + "]"); |
| 129 | } |
| 130 | } |
| 131 | threw = true; |
| 132 | } |
| 133 | assertTrue(threw, name + " didn't throw"); |
| 134 | } |
| 135 | |
| 136 | // Test that the error constructor is not shown in the trace |
| 137 | function testCallerCensorship() { |
| 138 | var threw = false; |
| 139 | try { |
| 140 | FAIL; |
| 141 | } catch (e) { |
| 142 | assertEquals(-1, e.stack.indexOf('at new ReferenceError'), |
| 143 | "CallerCensorship contained new ReferenceError"); |
| 144 | threw = true; |
| 145 | } |
| 146 | assertTrue(threw, "CallerCensorship didn't throw"); |
| 147 | } |
| 148 | |
| 149 | // Test that the explicit constructor call is shown in the trace |
| 150 | function testUnintendedCallerCensorship() { |
| 151 | var threw = false; |
| 152 | try { |
| 153 | new ReferenceError({ |
| 154 | toString: function () { |
| 155 | FAIL; |
| 156 | } |
| 157 | }); |
| 158 | } catch (e) { |
| 159 | assertTrue(e.stack.indexOf('at new ReferenceError') != -1, |
| 160 | "UnintendedCallerCensorship didn't contain new ReferenceError"); |
| 161 | threw = true; |
| 162 | } |
| 163 | assertTrue(threw, "UnintendedCallerCensorship didn't throw"); |
| 164 | } |
| 165 | |
| 166 | // If an error occurs while the stack trace is being formatted it should |
| 167 | // be handled gracefully. |
| 168 | function testErrorsDuringFormatting() { |
| 169 | function Nasty() { } |
| 170 | Nasty.prototype.foo = function () { throw new RangeError(); }; |
| 171 | var n = new Nasty(); |
| 172 | n.__defineGetter__('constructor', function () { CONS_FAIL; }); |
| 173 | var threw = false; |
| 174 | try { |
| 175 | n.foo(); |
| 176 | } catch (e) { |
| 177 | threw = true; |
| 178 | assertTrue(e.stack.indexOf('<error: ReferenceError') != -1, |
| 179 | "ErrorsDuringFormatting didn't contain error: ReferenceError"); |
| 180 | } |
| 181 | assertTrue(threw, "ErrorsDuringFormatting didn't throw"); |
| 182 | threw = false; |
| 183 | // Now we can't even format the message saying that we couldn't format |
| 184 | // the stack frame. Put that in your pipe and smoke it! |
| 185 | ReferenceError.prototype.toString = function () { NESTED_FAIL; }; |
| 186 | try { |
| 187 | n.foo(); |
| 188 | } catch (e) { |
| 189 | threw = true; |
| 190 | assertTrue(e.stack.indexOf('<error>') != -1, |
| 191 | "ErrorsDuringFormatting didn't contain <error>"); |
| 192 | } |
| 193 | assertTrue(threw, "ErrorsDuringFormatting didnt' throw (2)"); |
| 194 | } |
| 195 | |
| 196 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 197 | // Poisonous object that throws a reference error if attempted converted to |
| 198 | // a primitive values. |
| 199 | var thrower = { valueOf: function() { FAIL; }, |
| 200 | toString: function() { FAIL; } }; |
| 201 | |
| 202 | // Tests that a native constructor function is included in the |
| 203 | // stack trace. |
| 204 | function testTraceNativeConstructor(nativeFunc) { |
| 205 | var nativeFuncName = nativeFunc.name; |
| 206 | try { |
| 207 | new nativeFunc(thrower); |
| 208 | assertUnreachable(nativeFuncName); |
| 209 | } catch (e) { |
| 210 | assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | // Tests that a native conversion function is included in the |
| 215 | // stack trace. |
| 216 | function testTraceNativeConversion(nativeFunc) { |
| 217 | var nativeFuncName = nativeFunc.name; |
| 218 | try { |
| 219 | nativeFunc(thrower); |
| 220 | assertUnreachable(nativeFuncName); |
| 221 | } catch (e) { |
| 222 | assertTrue(e.stack.indexOf(nativeFuncName) >= 0, nativeFuncName); |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | |
| 227 | function testOmittedBuiltin(throwing, omitted) { |
| 228 | try { |
| 229 | throwing(); |
| 230 | assertUnreachable(omitted); |
| 231 | } catch (e) { |
| 232 | assertTrue(e.stack.indexOf(omitted) < 0, omitted); |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 237 | testTrace("testArrayNative", testArrayNative, ["Array.map (native)"]); |
| 238 | testTrace("testNested", testNested, ["at one", "at two", "at three"]); |
| 239 | testTrace("testMethodNameInference", testMethodNameInference, ["at Foo.bar"]); |
| 240 | testTrace("testImplicitConversion", testImplicitConversion, ["at Nirk.valueOf"]); |
| 241 | testTrace("testEval", testEval, ["at Doo (eval at testEval"]); |
| 242 | testTrace("testNestedEval", testNestedEval, ["eval at Inner (eval at Outer"]); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 243 | testTrace("testEvalWithSourceURL", testEvalWithSourceURL, |
| 244 | [ "at Doo (res://name:1:18)" ]); |
| 245 | testTrace("testNestedEvalWithSourceURL", testNestedEvalWithSourceURL, |
| 246 | [" at Inner (res://inner-eval:1:20)", |
| 247 | " at Outer (res://outer-eval:1:37)"]); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 248 | testTrace("testValue", testValue, ["at Number.causeError"]); |
| 249 | testTrace("testConstructor", testConstructor, ["new Plonk"]); |
| 250 | testTrace("testRenamedMethod", testRenamedMethod, ["Wookie.a$b$c$d [as d]"]); |
| 251 | testTrace("testAnonymousMethod", testAnonymousMethod, ["Array.<anonymous>"]); |
| 252 | testTrace("testDefaultCustomError", testDefaultCustomError, |
| 253 | ["hep-hey", "new CustomError"], |
| 254 | ["collectStackTrace"]); |
| 255 | testTrace("testStrippedCustomError", testStrippedCustomError, ["hep-hey"], |
| 256 | ["new CustomError", "collectStackTrace"]); |
| 257 | testCallerCensorship(); |
| 258 | testUnintendedCallerCensorship(); |
| 259 | testErrorsDuringFormatting(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 260 | |
| 261 | testTraceNativeConversion(String); // Does ToString on argument. |
| 262 | testTraceNativeConversion(Number); // Does ToNumber on argument. |
| 263 | testTraceNativeConversion(RegExp); // Does ToString on argument. |
| 264 | |
| 265 | testTraceNativeConstructor(String); // Does ToString on argument. |
| 266 | testTraceNativeConstructor(Number); // Does ToNumber on argument. |
| 267 | testTraceNativeConstructor(RegExp); // Does ToString on argument. |
| 268 | testTraceNativeConstructor(Date); // Does ToNumber on argument. |
| 269 | |
| 270 | // Omitted because QuickSort has builtins object as receiver, and is non-native |
| 271 | // builtin. |
| 272 | testOmittedBuiltin(function(){ [thrower, 2].sort(function (a,b) { |
| 273 | (b < a) - (a < b); }); |
| 274 | }, "QuickSort"); |
| 275 | |
| 276 | // Omitted because ADD from runtime.js is non-native builtin. |
| 277 | testOmittedBuiltin(function(){ thrower + 2; }, "ADD"); |