| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Flags: --allow-natives-syntax |
| |
| var RUN_WITH_ALL_ARGUMENT_ENTRIES = false; |
| var kOnManyArgumentsRemove = 5; |
| |
| function makeArguments() { |
| var result = [ ]; |
| result.push(17); |
| result.push(-31); |
| result.push(new Array(100)); |
| result.push(new Array(100003)); |
| result.push(Number.MIN_VALUE); |
| result.push("whoops"); |
| result.push("x"); |
| result.push({"x": 1, "y": 2}); |
| var slowCaseObj = {"a": 3, "b": 4, "c": 5}; |
| delete slowCaseObj.c; |
| result.push(slowCaseObj); |
| result.push(function () { return 8; }); |
| return result; |
| } |
| |
| var kArgObjects = makeArguments().length; |
| |
| function makeFunction(name, argc) { |
| var args = []; |
| for (var i = 0; i < argc; i++) |
| args.push("x" + i); |
| var argsStr = args.join(", "); |
| return new Function(args.join(", "), "return %" + name + "(" + argsStr + ");"); |
| } |
| |
| function testArgumentCount(name, argc) { |
| for (var i = 0; i < 10; i++) { |
| var func = null; |
| try { |
| func = makeFunction(name, i); |
| } catch (e) { |
| if (e != "SyntaxError: Illegal access") throw e; |
| } |
| if (func === null && i == argc) { |
| throw "unexpected exception"; |
| } |
| var args = [ ]; |
| for (var j = 0; j < i; j++) |
| args.push(0); |
| try { |
| func.apply(void 0, args); |
| } catch (e) { |
| // we don't care what happens as long as we don't crash |
| } |
| } |
| } |
| |
| function testArgumentTypes(name, argc) { |
| var type = 0; |
| var hasMore = true; |
| var func = makeFunction(name, argc); |
| while (hasMore) { |
| var argPool = makeArguments(); |
| // When we have 5 or more arguments we lower the amount of tests cases |
| // by randomly removing kOnManyArgumentsRemove entries |
| var numArguments = RUN_WITH_ALL_ARGUMENT_ENTRIES ? |
| kArgObjects : kArgObjects-kOnManyArgumentsRemove; |
| if (argc >= 5 && !RUN_WITH_ALL_ARGUMENT_ENTRIES) { |
| for (var i = 0; i < kOnManyArgumentsRemove; i++) { |
| var rand = Math.floor(Math.random() * (kArgObjects - i)); |
| argPool.splice(rand,1); |
| } |
| } |
| var current = type; |
| var hasMore = false; |
| var argList = [ ]; |
| for (var i = 0; i < argc; i++) { |
| var index = current % numArguments; |
| current = (current / numArguments) << 0; |
| if (index != (numArguments - 1)) |
| hasMore = true; |
| argList.push(argPool[index]); |
| } |
| try { |
| func.apply(void 0, argList); |
| } catch (e) { |
| // we don't care what happens as long as we don't crash |
| } |
| type++; |
| } |
| } |
| |
| var knownProblems = { |
| "Abort": true, |
| |
| // Avoid calling the concat operation, because weird lengths |
| // may lead to out-of-memory. Ditto for StringBuilderJoin. |
| "StringBuilderConcat": true, |
| "StringBuilderJoin": true, |
| |
| // These functions use pseudo-stack-pointers and are not robust |
| // to unexpected integer values. |
| "DebugEvaluate": true, |
| |
| // These functions do nontrivial error checking in recursive calls, |
| // which means that we have to propagate errors back. |
| "SetFunctionBreakPoint": true, |
| "SetScriptBreakPoint": true, |
| "PrepareStep": true, |
| |
| // Too slow. |
| "DebugReferencedBy": true, |
| |
| // Calling disable/enable access checks may interfere with the |
| // the rest of the tests. |
| "DisableAccessChecks": true, |
| "EnableAccessChecks": true, |
| |
| // These functions should not be callable as runtime functions. |
| "NewFunctionContext": true, |
| "NewArgumentsFast": true, |
| "NewStrictArgumentsFast": true, |
| "PushWithContext": true, |
| "PushCatchContext": true, |
| "PushBlockContext": true, |
| "LazyCompile": true, |
| "LazyRecompile": true, |
| "NotifyDeoptimized": true, |
| "NotifyOSR": true, |
| "CreateObjectLiteralBoilerplate": true, |
| "CloneLiteralBoilerplate": true, |
| "CloneShallowLiteralBoilerplate": true, |
| "CreateArrayLiteralBoilerplate": true, |
| "IS_VAR": true, |
| "ResolvePossiblyDirectEval": true, |
| "Log": true, |
| "DeclareGlobals": true, |
| |
| "PromoteScheduledException": true, |
| "DeleteHandleScopeExtensions": true, |
| |
| // Vararg with minimum number > 0. |
| "Call": true, |
| |
| // Requires integer arguments to be non-negative. |
| "Apply": true, |
| |
| // That can only be invoked on Array.prototype. |
| "FinishArrayPrototypeSetup": true, |
| |
| "_SwapElements": true, |
| |
| // Performance critical functions which cannot afford type checks. |
| "_IsNativeOrStrictMode": true, |
| "_CallFunction": true, |
| |
| // Tries to allocate based on argument, and (correctly) throws |
| // out-of-memory if the request is too large. In practice, the |
| // size will be the number of captures of a RegExp. |
| "RegExpConstructResult": true, |
| "_RegExpConstructResult": true, |
| |
| // This functions perform some checks compile time (they require one of their |
| // arguments to be a compile time smi). |
| "_DateField": true, |
| "_GetFromCache": true, |
| |
| // This function expects its first argument to be a non-smi. |
| "_IsStringWrapperSafeForDefaultValueOf" : true, |
| |
| // Only applicable to strings. |
| "_HasCachedArrayIndex": true, |
| "_GetCachedArrayIndex": true |
| }; |
| |
| var currentlyUncallable = { |
| // We need to find a way to test this without breaking the system. |
| "SystemBreak": true |
| }; |
| |
| function testNatives() { |
| var allNatives = %ListNatives(); |
| for (var i = 0; i < allNatives.length; i++) { |
| var nativeInfo = allNatives[i]; |
| var name = nativeInfo[0]; |
| if (name in knownProblems || name in currentlyUncallable) |
| continue; |
| print(name); |
| var argc = nativeInfo[1]; |
| testArgumentCount(name, argc); |
| testArgumentTypes(name, argc); |
| } |
| } |
| |
| testNatives(); |