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llvm-65816/unittests/ADT/BitVectorTest.cpp

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//===- llvm/unittest/ADT/BitVectorTest.cpp - BitVector tests --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Some of these tests fail on PowerPC for unknown reasons.
#ifndef __ppc__
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/SmallBitVector.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
// Test fixture
template <typename T>
class BitVectorTest : public ::testing::Test { };
// Test both BitVector and SmallBitVector with the same suite of tests.
typedef ::testing::Types<BitVector, SmallBitVector> BitVectorTestTypes;
TYPED_TEST_CASE(BitVectorTest, BitVectorTestTypes);
TYPED_TEST(BitVectorTest, TrivialOperation) {
TypeParam Vec;
EXPECT_EQ(0U, Vec.count());
EXPECT_EQ(0U, Vec.size());
EXPECT_FALSE(Vec.any());
EXPECT_TRUE(Vec.all());
EXPECT_TRUE(Vec.none());
EXPECT_TRUE(Vec.empty());
Vec.resize(5, true);
EXPECT_EQ(5U, Vec.count());
EXPECT_EQ(5U, Vec.size());
EXPECT_TRUE(Vec.any());
EXPECT_TRUE(Vec.all());
EXPECT_FALSE(Vec.none());
EXPECT_FALSE(Vec.empty());
Vec.resize(11);
EXPECT_EQ(5U, Vec.count());
EXPECT_EQ(11U, Vec.size());
EXPECT_TRUE(Vec.any());
EXPECT_FALSE(Vec.all());
EXPECT_FALSE(Vec.none());
EXPECT_FALSE(Vec.empty());
TypeParam Inv = Vec;
Inv.flip();
EXPECT_EQ(6U, Inv.count());
EXPECT_EQ(11U, Inv.size());
EXPECT_TRUE(Inv.any());
EXPECT_FALSE(Inv.all());
EXPECT_FALSE(Inv.none());
EXPECT_FALSE(Inv.empty());
EXPECT_FALSE(Inv == Vec);
EXPECT_TRUE(Inv != Vec);
Vec.flip();
EXPECT_TRUE(Inv == Vec);
EXPECT_FALSE(Inv != Vec);
// Add some "interesting" data to Vec.
Vec.resize(23, true);
Vec.resize(25, false);
Vec.resize(26, true);
Vec.resize(29, false);
Vec.resize(33, true);
Vec.resize(57, false);
unsigned Count = 0;
for (unsigned i = Vec.find_first(); i != -1u; i = Vec.find_next(i)) {
++Count;
EXPECT_TRUE(Vec[i]);
EXPECT_TRUE(Vec.test(i));
}
EXPECT_EQ(Count, Vec.count());
EXPECT_EQ(Count, 23u);
EXPECT_FALSE(Vec[0]);
EXPECT_TRUE(Vec[32]);
EXPECT_FALSE(Vec[56]);
Vec.resize(61, false);
TypeParam Copy = Vec;
TypeParam Alt(3, false);
Alt.resize(6, true);
std::swap(Alt, Vec);
EXPECT_TRUE(Copy == Alt);
EXPECT_TRUE(Vec.size() == 6);
EXPECT_TRUE(Vec.count() == 3);
EXPECT_TRUE(Vec.find_first() == 3);
std::swap(Copy, Vec);
// Add some more "interesting" data.
Vec.resize(68, true);
Vec.resize(78, false);
Vec.resize(89, true);
Vec.resize(90, false);
Vec.resize(91, true);
Vec.resize(130, false);
Count = 0;
for (unsigned i = Vec.find_first(); i != -1u; i = Vec.find_next(i)) {
++Count;
EXPECT_TRUE(Vec[i]);
EXPECT_TRUE(Vec.test(i));
}
EXPECT_EQ(Count, Vec.count());
EXPECT_EQ(Count, 42u);
EXPECT_FALSE(Vec[0]);
EXPECT_TRUE(Vec[32]);
EXPECT_FALSE(Vec[60]);
EXPECT_FALSE(Vec[129]);
Vec.flip(60);
EXPECT_TRUE(Vec[60]);
EXPECT_EQ(Count + 1, Vec.count());
Vec.flip(60);
EXPECT_FALSE(Vec[60]);
EXPECT_EQ(Count, Vec.count());
Vec.reset(32);
EXPECT_FALSE(Vec[32]);
EXPECT_EQ(Count - 1, Vec.count());
Vec.set(32);
EXPECT_TRUE(Vec[32]);
EXPECT_EQ(Count, Vec.count());
Vec.flip();
EXPECT_EQ(Vec.size() - Count, Vec.count());
Vec.reset();
EXPECT_EQ(0U, Vec.count());
EXPECT_EQ(130U, Vec.size());
EXPECT_FALSE(Vec.any());
EXPECT_FALSE(Vec.all());
EXPECT_TRUE(Vec.none());
EXPECT_FALSE(Vec.empty());
Vec.flip();
EXPECT_EQ(130U, Vec.count());
EXPECT_EQ(130U, Vec.size());
EXPECT_TRUE(Vec.any());
EXPECT_TRUE(Vec.all());
EXPECT_FALSE(Vec.none());
EXPECT_FALSE(Vec.empty());
Vec.resize(64);
EXPECT_EQ(64U, Vec.count());
EXPECT_EQ(64U, Vec.size());
EXPECT_TRUE(Vec.any());
EXPECT_TRUE(Vec.all());
EXPECT_FALSE(Vec.none());
EXPECT_FALSE(Vec.empty());
Vec.flip();
EXPECT_EQ(0U, Vec.count());
EXPECT_EQ(64U, Vec.size());
EXPECT_FALSE(Vec.any());
EXPECT_FALSE(Vec.all());
EXPECT_TRUE(Vec.none());
EXPECT_FALSE(Vec.empty());
Inv = TypeParam().flip();
EXPECT_EQ(0U, Inv.count());
EXPECT_EQ(0U, Inv.size());
EXPECT_FALSE(Inv.any());
EXPECT_TRUE(Inv.all());
EXPECT_TRUE(Inv.none());
EXPECT_TRUE(Inv.empty());
Vec.clear();
EXPECT_EQ(0U, Vec.count());
EXPECT_EQ(0U, Vec.size());
EXPECT_FALSE(Vec.any());
EXPECT_TRUE(Vec.all());
EXPECT_TRUE(Vec.none());
EXPECT_TRUE(Vec.empty());
}
TYPED_TEST(BitVectorTest, CompoundAssignment) {
TypeParam A;
A.resize(10);
A.set(4);
A.set(7);
TypeParam B;
B.resize(50);
B.set(5);
B.set(18);
A |= B;
EXPECT_TRUE(A.test(4));
EXPECT_TRUE(A.test(5));
EXPECT_TRUE(A.test(7));
EXPECT_TRUE(A.test(18));
EXPECT_EQ(4U, A.count());
EXPECT_EQ(50U, A.size());
B.resize(10);
B.set();
B.reset(2);
B.reset(7);
A &= B;
EXPECT_FALSE(A.test(2));
EXPECT_FALSE(A.test(7));
EXPECT_EQ(2U, A.count());
EXPECT_EQ(50U, A.size());
B.resize(100);
B.set();
A ^= B;
EXPECT_TRUE(A.test(2));
EXPECT_TRUE(A.test(7));
EXPECT_EQ(98U, A.count());
EXPECT_EQ(100U, A.size());
}
TYPED_TEST(BitVectorTest, ProxyIndex) {
TypeParam Vec(3);
EXPECT_TRUE(Vec.none());
Vec[0] = Vec[1] = Vec[2] = true;
EXPECT_EQ(Vec.size(), Vec.count());
Vec[2] = Vec[1] = Vec[0] = false;
EXPECT_TRUE(Vec.none());
}
TYPED_TEST(BitVectorTest, PortableBitMask) {
TypeParam A;
const uint32_t Mask1[] = { 0x80000000, 6, 5 };
A.resize(10);
A.setBitsInMask(Mask1, 3);
EXPECT_EQ(10u, A.size());
EXPECT_FALSE(A.test(0));
A.resize(32);
A.setBitsInMask(Mask1, 3);
EXPECT_FALSE(A.test(0));
EXPECT_TRUE(A.test(31));
EXPECT_EQ(1u, A.count());
A.resize(33);
A.setBitsInMask(Mask1, 1);
EXPECT_EQ(1u, A.count());
A.setBitsInMask(Mask1, 2);
EXPECT_EQ(1u, A.count());
A.resize(34);
A.setBitsInMask(Mask1, 2);
EXPECT_EQ(2u, A.count());
A.resize(65);
A.setBitsInMask(Mask1, 3);
EXPECT_EQ(4u, A.count());
A.setBitsNotInMask(Mask1, 1);
EXPECT_EQ(32u+3u, A.count());
A.setBitsNotInMask(Mask1, 3);
EXPECT_EQ(65u, A.count());
A.resize(96);
EXPECT_EQ(65u, A.count());
A.clear();
A.resize(128);
A.setBitsNotInMask(Mask1, 3);
EXPECT_EQ(96u-5u, A.count());
A.clearBitsNotInMask(Mask1, 1);
EXPECT_EQ(64-4u, A.count());
}
TYPED_TEST(BitVectorTest, BinOps) {
TypeParam A;
TypeParam B;
A.resize(65);
EXPECT_FALSE(A.anyCommon(B));
EXPECT_FALSE(B.anyCommon(B));
B.resize(64);
A.set(64);
EXPECT_FALSE(A.anyCommon(B));
EXPECT_FALSE(B.anyCommon(A));
B.set(63);
EXPECT_FALSE(A.anyCommon(B));
EXPECT_FALSE(B.anyCommon(A));
A.set(63);
EXPECT_TRUE(A.anyCommon(B));
EXPECT_TRUE(B.anyCommon(A));
B.resize(70);
B.set(64);
B.reset(63);
A.resize(64);
EXPECT_FALSE(A.anyCommon(B));
EXPECT_FALSE(B.anyCommon(A));
}
TYPED_TEST(BitVectorTest, RangeOps) {
TypeParam A;
A.resize(256);
A.reset();
A.set(1, 255);
EXPECT_FALSE(A.test(0));
EXPECT_TRUE( A.test(1));
EXPECT_TRUE( A.test(23));
EXPECT_TRUE( A.test(254));
EXPECT_FALSE(A.test(255));
TypeParam B;
B.resize(256);
B.set();
B.reset(1, 255);
EXPECT_TRUE( B.test(0));
EXPECT_FALSE(B.test(1));
EXPECT_FALSE(B.test(23));
EXPECT_FALSE(B.test(254));
EXPECT_TRUE( B.test(255));
TypeParam C;
C.resize(3);
C.reset();
C.set(0, 1);
EXPECT_TRUE(C.test(0));
EXPECT_FALSE( C.test(1));
EXPECT_FALSE( C.test(2));
TypeParam D;
D.resize(3);
D.set();
D.reset(0, 1);
EXPECT_FALSE(D.test(0));
EXPECT_TRUE( D.test(1));
EXPECT_TRUE( D.test(2));
TypeParam E;
E.resize(128);
E.reset();
E.set(1, 33);
EXPECT_FALSE(E.test(0));
EXPECT_TRUE( E.test(1));
EXPECT_TRUE( E.test(32));
EXPECT_FALSE(E.test(33));
}
TYPED_TEST(BitVectorTest, CompoundTestReset) {
TypeParam A(50, true);
TypeParam B(50, false);
TypeParam C(100, true);
TypeParam D(100, false);
EXPECT_FALSE(A.test(A));
EXPECT_TRUE(A.test(B));
EXPECT_FALSE(A.test(C));
EXPECT_TRUE(A.test(D));
EXPECT_FALSE(B.test(A));
EXPECT_FALSE(B.test(B));
EXPECT_FALSE(B.test(C));
EXPECT_FALSE(B.test(D));
EXPECT_TRUE(C.test(A));
EXPECT_TRUE(C.test(B));
EXPECT_FALSE(C.test(C));
EXPECT_TRUE(C.test(D));
A.reset(B);
A.reset(D);
EXPECT_TRUE(A.all());
A.reset(A);
EXPECT_TRUE(A.none());
A.set();
A.reset(C);
EXPECT_TRUE(A.none());
A.set();
C.reset(A);
EXPECT_EQ(50, C.find_first());
C.reset(C);
EXPECT_TRUE(C.none());
}
}
#endif
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