v8/test/cctest/test-compare-nil-ic-stub.cc

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// Copyright 2006-2013 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.
#include <stdlib.h>
#include "v8.h"
#include "cctest.h"
#include "code-stubs.h"
using namespace v8::internal;
typedef CompareNilICStub::State State;
TEST(StateConstructors) {
State state;
state.Add(CompareNilICStub::MONOMORPHIC_MAP);
State state2(state);
CHECK_EQ(state.ToIntegral(), state2.ToIntegral());
}
TEST(ExternalICStateParsing) {
State state;
state.Add(CompareNilICStub::UNDEFINED);
CompareNilICStub stub(kUndefinedValue, state);
CompareNilICStub stub2(stub.GetExtraICState());
CHECK_EQ(stub.GetNilValue(), stub2.GetNilValue());
CHECK_EQ(stub.GetState().ToIntegral(), stub2.GetState().ToIntegral());
}
TEST(SettingState) {
State state;
CHECK(state.IsEmpty());
state.Add(CompareNilICStub::NULL_TYPE);
CHECK(!state.IsEmpty());
CHECK(state.Contains(CompareNilICStub::NULL_TYPE));
CHECK(!state.Contains(CompareNilICStub::UNDEFINED));
CHECK(!state.Contains(CompareNilICStub::UNDETECTABLE));
state.Add(CompareNilICStub::UNDEFINED);
CHECK(state.Contains(CompareNilICStub::UNDEFINED));
CHECK(state.Contains(CompareNilICStub::NULL_TYPE));
CHECK(!state.Contains(CompareNilICStub::UNDETECTABLE));
}
TEST(ClearState) {
State state;
state.Add(CompareNilICStub::NULL_TYPE);
state.RemoveAll();
CHECK(state.IsEmpty());
}
TEST(Generic) {
State state;
CHECK(State::Generic() != state);
state.Add(CompareNilICStub::UNDEFINED);
CHECK(state != State::Generic());
state.Add(CompareNilICStub::NULL_TYPE);
CHECK(state != State::Generic());
state.Add(CompareNilICStub::UNDETECTABLE);
CHECK(state != State::Generic());
state.Add(CompareNilICStub::GENERIC);
CHECK(state == State::Generic());
}