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//===- llvm/unittest/ADT/SparseBitVectorTest.cpp - SparseBitVector tests --===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/SparseBitVector.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(SparseBitVectorTest, TrivialOperation) {
SparseBitVector<> Vec;
EXPECT_EQ(0U, Vec.count());
EXPECT_FALSE(Vec.test(17));
Vec.set(5);
EXPECT_TRUE(Vec.test(5));
EXPECT_FALSE(Vec.test(17));
Vec.reset(6);
EXPECT_TRUE(Vec.test(5));
EXPECT_FALSE(Vec.test(6));
Vec.reset(5);
EXPECT_FALSE(Vec.test(5));
EXPECT_TRUE(Vec.test_and_set(17));
EXPECT_FALSE(Vec.test_and_set(17));
EXPECT_TRUE(Vec.test(17));
Vec.clear();
EXPECT_FALSE(Vec.test(17));
}
TEST(SparseBitVectorTest, IntersectWith) {
SparseBitVector<> Vec, Other;
Vec.set(1);
Other.set(1);
EXPECT_FALSE(Vec &= Other);
EXPECT_TRUE(Vec.test(1));
Vec.clear();
Vec.set(5);
Other.clear();
Other.set(6);
EXPECT_TRUE(Vec &= Other);
EXPECT_TRUE(Vec.empty());
Vec.clear();
Vec.set(5);
Other.clear();
Other.set(225);
EXPECT_TRUE(Vec &= Other);
EXPECT_TRUE(Vec.empty());
Vec.clear();
Vec.set(225);
Other.clear();
Other.set(5);
EXPECT_TRUE(Vec &= Other);
EXPECT_TRUE(Vec.empty());
}
TEST(SparseBitVectorTest, SelfAssignment) {
SparseBitVector<> Vec, Other;
Vec.set(23);
Vec.set(234);
Vec = Vec;
EXPECT_TRUE(Vec.test(23));
EXPECT_TRUE(Vec.test(234));
Vec.clear();
Vec.set(17);
Vec.set(256);
EXPECT_FALSE(Vec |= Vec);
EXPECT_TRUE(Vec.test(17));
EXPECT_TRUE(Vec.test(256));
Vec.clear();
Vec.set(56);
Vec.set(517);
EXPECT_FALSE(Vec &= Vec);
EXPECT_TRUE(Vec.test(56));
EXPECT_TRUE(Vec.test(517));
Vec.clear();
Vec.set(99);
Vec.set(333);
EXPECT_TRUE(Vec.intersectWithComplement(Vec));
EXPECT_TRUE(Vec.empty());
EXPECT_FALSE(Vec.intersectWithComplement(Vec));
Vec.clear();
Vec.set(28);
Vec.set(43);
Vec.intersectWithComplement(Vec, Vec);
EXPECT_TRUE(Vec.empty());
Vec.clear();
Vec.set(42);
Vec.set(567);
Other.set(55);
Other.set(567);
Vec.intersectWithComplement(Vec, Other);
EXPECT_TRUE(Vec.test(42));
EXPECT_FALSE(Vec.test(567));
Vec.clear();
Vec.set(19);
Vec.set(21);
Other.clear();
Other.set(19);
Other.set(31);
Vec.intersectWithComplement(Other, Vec);
EXPECT_FALSE(Vec.test(19));
EXPECT_TRUE(Vec.test(31));
Vec.clear();
Vec.set(1);
Other.clear();
Other.set(59);
Other.set(75);
Vec.intersectWithComplement(Other, Other);
EXPECT_TRUE(Vec.empty());
}
}
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