JezK

Edit File: test-dataflow.cc

// Copyright 2012 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
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//
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//     * Redistributions in binary form must reproduce the above
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#include <stdlib.h>

#include "v8.h"

#include "data-flow.h"
#include "cctest.h"

using namespace v8::internal;

TEST(BitVector) {
  v8::internal::V8::Initialize(NULL);
  ZoneScope zone_scope(Isolate::Current(), DELETE_ON_EXIT);
  Zone* zone = ZONE;
  {
    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));
  }
}

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