v8/test/cctest/test-dataflow.cc

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// Copyright 2012 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 "data-flow.h"
#include "cctest.h"
using namespace v8::internal;
TEST(BitVector) {
v8::internal::V8::Initialize(NULL);
Zone zone(Isolate::Current());
{
BitVector v(15, &zone);
v.Add(1);
CHECK(v.Contains(1));
v.Remove(0);
CHECK(!v.Contains(0));
v.Add(0);
v.Add(1);
BitVector w(15, &zone);
w.Add(1);
v.Intersect(w);
CHECK(!v.Contains(0));
CHECK(v.Contains(1));
}
{
BitVector v(64, &zone);
v.Add(27);
v.Add(30);
v.Add(31);
v.Add(33);
BitVector::Iterator iter(&v);
CHECK_EQ(27, iter.Current());
iter.Advance();
CHECK_EQ(30, iter.Current());
iter.Advance();
CHECK_EQ(31, iter.Current());
iter.Advance();
CHECK_EQ(33, iter.Current());
iter.Advance();
CHECK(iter.Done());
}
{
BitVector v(15, &zone);
v.Add(0);
BitVector w(15, &zone);
w.Add(1);
v.Union(w);
CHECK(v.Contains(0));
CHECK(v.Contains(1));
}
{
BitVector v(15, &zone);
v.Add(0);
BitVector w(15, &zone);
w = v;
CHECK(w.Contains(0));
w.Add(1);
BitVector u(w, &zone);
CHECK(u.Contains(0));
CHECK(u.Contains(1));
v.Union(w);
CHECK(v.Contains(0));
CHECK(v.Contains(1));
}
{
BitVector v(35, &zone);
v.Add(0);
BitVector w(35, &zone);
w.Add(33);
v.Union(w);
CHECK(v.Contains(0));
CHECK(v.Contains(33));
}
{
BitVector v(35, &zone);
v.Add(32);
v.Add(33);
BitVector w(35, &zone);
w.Add(33);
v.Intersect(w);
CHECK(!v.Contains(32));
CHECK(v.Contains(33));
BitVector r(35, &zone);
r.CopyFrom(v);
CHECK(!r.Contains(32));
CHECK(r.Contains(33));
}
}