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// 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,
"ParallelRecompile": 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();
var start = (allNatives.length >> 2)*3;
var stop = allNatives.length;
for (var i = start; i < stop; 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();
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