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| 1 // Copyright 2011 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 // Flags: --allow-natives-syntax | |
| 29 | |
| 30 var RUN_WITH_ALL_ARGUMENT_ENTRIES = false; | |
| 31 var kOnManyArgumentsRemove = 5; | |
| 32 | |
| 33 function makeArguments() { | |
| 34 var result = [ ]; | |
| 35 result.push(17); | |
| 36 result.push(-31); | |
| 37 result.push(new Array(100)); | |
| 38 result.push(new Array(100003)); | |
| 39 result.push(Number.MIN_VALUE); | |
| 40 result.push("whoops"); | |
| 41 result.push("x"); | |
| 42 result.push({"x": 1, "y": 2}); | |
| 43 var slowCaseObj = {"a": 3, "b": 4, "c": 5}; | |
| 44 delete slowCaseObj.c; | |
| 45 result.push(slowCaseObj); | |
| 46 result.push(function () { return 8; }); | |
| 47 return result; | |
| 48 } | |
| 49 | |
| 50 var kArgObjects = makeArguments().length; | |
| 51 | |
| 52 function makeFunction(name, argc) { | |
| 53 var args = []; | |
| 54 for (var i = 0; i < argc; i++) | |
| 55 args.push("x" + i); | |
| 56 var argsStr = args.join(", "); | |
| 57 return new Function(args.join(", "), "return %" + name + "(" + argsStr + ");")
; | |
| 58 } | |
| 59 | |
| 60 function testArgumentCount(name, argc) { | |
| 61 for (var i = 0; i < 10; i++) { | |
| 62 var func = null; | |
| 63 try { | |
| 64 func = makeFunction(name, i); | |
| 65 } catch (e) { | |
| 66 if (e != "SyntaxError: Illegal access") throw e; | |
| 67 } | |
| 68 if (func === null && i == argc) { | |
| 69 throw "unexpected exception"; | |
| 70 } | |
| 71 var args = [ ]; | |
| 72 for (var j = 0; j < i; j++) | |
| 73 args.push(0); | |
| 74 try { | |
| 75 func.apply(void 0, args); | |
| 76 } catch (e) { | |
| 77 // we don't care what happens as long as we don't crash | |
| 78 } | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 function testArgumentTypes(name, argc) { | |
| 83 var type = 0; | |
| 84 var hasMore = true; | |
| 85 var func = makeFunction(name, argc); | |
| 86 while (hasMore) { | |
| 87 var argPool = makeArguments(); | |
| 88 // When we have 5 or more arguments we lower the amount of tests cases | |
| 89 // by randomly removing kOnManyArgumentsRemove entries | |
| 90 var numArguments = RUN_WITH_ALL_ARGUMENT_ENTRIES ? | |
| 91 kArgObjects : kArgObjects-kOnManyArgumentsRemove; | |
| 92 if (argc >= 5 && !RUN_WITH_ALL_ARGUMENT_ENTRIES) { | |
| 93 for (var i = 0; i < kOnManyArgumentsRemove; i++) { | |
| 94 var rand = Math.floor(Math.random() * (kArgObjects - i)); | |
| 95 argPool.splice(rand,1); | |
| 96 } | |
| 97 } | |
| 98 var current = type; | |
| 99 var hasMore = false; | |
| 100 var argList = [ ]; | |
| 101 for (var i = 0; i < argc; i++) { | |
| 102 var index = current % numArguments; | |
| 103 current = (current / numArguments) << 0; | |
| 104 if (index != (numArguments - 1)) | |
| 105 hasMore = true; | |
| 106 argList.push(argPool[index]); | |
| 107 } | |
| 108 try { | |
| 109 func.apply(void 0, argList); | |
| 110 } catch (e) { | |
| 111 // we don't care what happens as long as we don't crash | |
| 112 } | |
| 113 type++; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 var knownProblems = { | |
| 118 "Abort": true, | |
| 119 | |
| 120 // Avoid calling the concat operation, because weird lengths | |
| 121 // may lead to out-of-memory. Ditto for StringBuilderJoin. | |
| 122 "StringBuilderConcat": true, | |
| 123 "StringBuilderJoin": true, | |
| 124 | |
| 125 // These functions use pseudo-stack-pointers and are not robust | |
| 126 // to unexpected integer values. | |
| 127 "DebugEvaluate": true, | |
| 128 | |
| 129 // These functions do nontrivial error checking in recursive calls, | |
| 130 // which means that we have to propagate errors back. | |
| 131 "SetFunctionBreakPoint": true, | |
| 132 "SetScriptBreakPoint": true, | |
| 133 "PrepareStep": true, | |
| 134 | |
| 135 // Too slow. | |
| 136 "DebugReferencedBy": true, | |
| 137 | |
| 138 // Calling disable/enable access checks may interfere with the | |
| 139 // the rest of the tests. | |
| 140 "DisableAccessChecks": true, | |
| 141 "EnableAccessChecks": true, | |
| 142 | |
| 143 // These functions should not be callable as runtime functions. | |
| 144 "NewFunctionContext": true, | |
| 145 "NewArgumentsFast": true, | |
| 146 "NewStrictArgumentsFast": true, | |
| 147 "PushWithContext": true, | |
| 148 "PushCatchContext": true, | |
| 149 "PushBlockContext": true, | |
| 150 "LazyCompile": true, | |
| 151 "LazyRecompile": true, | |
| 152 "ParallelRecompile": true, | |
| 153 "NotifyDeoptimized": true, | |
| 154 "NotifyOSR": true, | |
| 155 "CreateObjectLiteralBoilerplate": true, | |
| 156 "CloneLiteralBoilerplate": true, | |
| 157 "CloneShallowLiteralBoilerplate": true, | |
| 158 "CreateArrayLiteralBoilerplate": true, | |
| 159 "IS_VAR": true, | |
| 160 "ResolvePossiblyDirectEval": true, | |
| 161 "Log": true, | |
| 162 "DeclareGlobals": true, | |
| 163 | |
| 164 "PromoteScheduledException": true, | |
| 165 "DeleteHandleScopeExtensions": true, | |
| 166 | |
| 167 // Vararg with minimum number > 0. | |
| 168 "Call": true, | |
| 169 | |
| 170 // Requires integer arguments to be non-negative. | |
| 171 "Apply": true, | |
| 172 | |
| 173 // That can only be invoked on Array.prototype. | |
| 174 "FinishArrayPrototypeSetup": true, | |
| 175 | |
| 176 "_SwapElements": true, | |
| 177 | |
| 178 // Performance critical functions which cannot afford type checks. | |
| 179 "_IsNativeOrStrictMode": true, | |
| 180 "_CallFunction": true, | |
| 181 | |
| 182 // Tries to allocate based on argument, and (correctly) throws | |
| 183 // out-of-memory if the request is too large. In practice, the | |
| 184 // size will be the number of captures of a RegExp. | |
| 185 "RegExpConstructResult": true, | |
| 186 "_RegExpConstructResult": true, | |
| 187 | |
| 188 // This functions perform some checks compile time (they require one of their | |
| 189 // arguments to be a compile time smi). | |
| 190 "_DateField": true, | |
| 191 "_GetFromCache": true, | |
| 192 | |
| 193 // This function expects its first argument to be a non-smi. | |
| 194 "_IsStringWrapperSafeForDefaultValueOf" : true, | |
| 195 | |
| 196 // Only applicable to strings. | |
| 197 "_HasCachedArrayIndex": true, | |
| 198 "_GetCachedArrayIndex": true | |
| 199 }; | |
| 200 | |
| 201 var currentlyUncallable = { | |
| 202 // We need to find a way to test this without breaking the system. | |
| 203 "SystemBreak": true | |
| 204 }; | |
| 205 | |
| 206 function testNatives() { | |
| 207 var allNatives = %ListNatives(); | |
| 208 var start = (allNatives.length >> 2)*2; | |
| 209 var stop = (allNatives.length >> 2)*3; | |
| 210 for (var i = start; i < stop; i++) { | |
| 211 var nativeInfo = allNatives[i]; | |
| 212 var name = nativeInfo[0]; | |
| 213 if (name in knownProblems || name in currentlyUncallable) | |
| 214 continue; | |
| 215 print(name); | |
| 216 var argc = nativeInfo[1]; | |
| 217 testArgumentCount(name, argc); | |
| 218 testArgumentTypes(name, argc); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 testNatives(); | |
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Chromium Code Reviews
Issue 11035053:
Rollback trunk to bleeding_edge revision 12525 (Closed)
Base URL: https://v8.googlecode.com/svn/trunk