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llvm-mirror/unittests/ADT/TinyPtrVectorTest.cpp
Chandler Carruth f413c260cc Sort the #include lines for unittest/... 
llvm-svn: 169250
2012-12-04 10:23:08 +00:00

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//===- llvm/unittest/ADT/TinyPtrVectorTest.cpp ----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// TinyPtrVector unit tests.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/TinyPtrVector.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/type_traits.h"
#include "gtest/gtest.h"
#include <algorithm>
#include <list>
#include <vector>
using namespace llvm;
namespace {
// The world's worst RNG, but it is deterministic and makes it easy to get
// *some* shuffling of elements.
static ptrdiff_t test_shuffle_rng(ptrdiff_t i) {
return (i + i * 33) % i;
}
static ptrdiff_t (*test_shuffle_rng_p)(ptrdiff_t) = &test_shuffle_rng;
template <typename VectorT>
class TinyPtrVectorTest : public testing::Test {
protected:
typedef typename VectorT::value_type PtrT;
typedef typename remove_pointer<PtrT>::type ValueT;
VectorT V;
VectorT V2;
ValueT TestValues[1024];
std::vector<PtrT> TestPtrs;
TinyPtrVectorTest() {
for (size_t i = 0, e = array_lengthof(TestValues); i != e; ++i)
TestPtrs.push_back(&TestValues[i]);
std::random_shuffle(TestPtrs.begin(), TestPtrs.end(), test_shuffle_rng_p);
}
ArrayRef<PtrT> testArray(size_t N) {
return makeArrayRef(&TestPtrs[0], N);
}
void appendValues(VectorT &V, ArrayRef<PtrT> Values) {
for (size_t i = 0, e = Values.size(); i != e; ++i)
V.push_back(Values[i]);
}
void setVectors(ArrayRef<PtrT> Values1, ArrayRef<PtrT> Values2) {
V.clear();
appendValues(V, Values1);
V2.clear();
appendValues(V2, Values2);
}
void expectValues(const VectorT &V, ArrayRef<PtrT> Values) {
EXPECT_EQ(Values.empty(), V.empty());
EXPECT_EQ(Values.size(), V.size());
for (size_t i = 0, e = Values.size(); i != e; ++i) {
EXPECT_EQ(Values[i], V[i]);
EXPECT_EQ(Values[i], *llvm::next(V.begin(), i));
}
EXPECT_EQ(V.end(), llvm::next(V.begin(), Values.size()));
}
};
typedef ::testing::Types<TinyPtrVector<int*>,
TinyPtrVector<double*>
> TinyPtrVectorTestTypes;
TYPED_TEST_CASE(TinyPtrVectorTest, TinyPtrVectorTestTypes);
TYPED_TEST(TinyPtrVectorTest, EmptyTest) {
this->expectValues(this->V, this->testArray(0));
}
TYPED_TEST(TinyPtrVectorTest, PushPopBack) {
this->V.push_back(this->TestPtrs[0]);
this->expectValues(this->V, this->testArray(1));
this->V.push_back(this->TestPtrs[1]);
this->expectValues(this->V, this->testArray(2));
this->V.push_back(this->TestPtrs[2]);
this->expectValues(this->V, this->testArray(3));
this->V.push_back(this->TestPtrs[3]);
this->expectValues(this->V, this->testArray(4));
this->V.push_back(this->TestPtrs[4]);
this->expectValues(this->V, this->testArray(5));
// Pop and clobber a few values to keep things interesting.
this->V.pop_back();
this->expectValues(this->V, this->testArray(4));
this->V.pop_back();
this->expectValues(this->V, this->testArray(3));
this->TestPtrs[3] = &this->TestValues[42];
this->TestPtrs[4] = &this->TestValues[43];
this->V.push_back(this->TestPtrs[3]);
this->expectValues(this->V, this->testArray(4));
this->V.push_back(this->TestPtrs[4]);
this->expectValues(this->V, this->testArray(5));
this->V.pop_back();
this->expectValues(this->V, this->testArray(4));
this->V.pop_back();
this->expectValues(this->V, this->testArray(3));
this->V.pop_back();
this->expectValues(this->V, this->testArray(2));
this->V.pop_back();
this->expectValues(this->V, this->testArray(1));
this->V.pop_back();
this->expectValues(this->V, this->testArray(0));
this->appendValues(this->V, this->testArray(42));
this->expectValues(this->V, this->testArray(42));
}
TYPED_TEST(TinyPtrVectorTest, ClearTest) {
this->expectValues(this->V, this->testArray(0));
this->V.clear();
this->expectValues(this->V, this->testArray(0));
this->appendValues(this->V, this->testArray(1));
this->expectValues(this->V, this->testArray(1));
this->V.clear();
this->expectValues(this->V, this->testArray(0));
this->appendValues(this->V, this->testArray(42));
this->expectValues(this->V, this->testArray(42));
this->V.clear();
this->expectValues(this->V, this->testArray(0));
}
TYPED_TEST(TinyPtrVectorTest, CopyAndMoveCtorTest) {
this->appendValues(this->V, this->testArray(42));
TypeParam Copy(this->V);
this->expectValues(Copy, this->testArray(42));
// This is a separate copy, and so it shouldn't destroy the original.
Copy.clear();
this->expectValues(Copy, this->testArray(0));
this->expectValues(this->V, this->testArray(42));
TypeParam Copy2(this->V2);
this->appendValues(Copy2, this->testArray(42));
this->expectValues(Copy2, this->testArray(42));
this->expectValues(this->V2, this->testArray(0));
#if LLVM_HAS_RVALUE_REFERENCES
TypeParam Move(std::move(Copy2));
this->expectValues(Move, this->testArray(42));
this->expectValues(Copy2, this->testArray(0));
#endif
}
TYPED_TEST(TinyPtrVectorTest, CopyAndMoveTest) {
this->V = this->V2;
this->expectValues(this->V, this->testArray(0));
this->expectValues(this->V2, this->testArray(0));
#if LLVM_HAS_RVALUE_REFERENCES
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(0));
#endif
this->setVectors(this->testArray(1), this->testArray(0));
this->V = this->V2;
this->expectValues(this->V, this->testArray(0));
this->expectValues(this->V2, this->testArray(0));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(1), this->testArray(0));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(0));
#endif
this->setVectors(this->testArray(2), this->testArray(0));
this->V = this->V2;
this->expectValues(this->V, this->testArray(0));
this->expectValues(this->V2, this->testArray(0));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(2), this->testArray(0));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(0));
#endif
this->setVectors(this->testArray(42), this->testArray(0));
this->V = this->V2;
this->expectValues(this->V, this->testArray(0));
this->expectValues(this->V2, this->testArray(0));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(42), this->testArray(0));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(0));
#endif
this->setVectors(this->testArray(0), this->testArray(1));
this->V = this->V2;
this->expectValues(this->V, this->testArray(1));
this->expectValues(this->V2, this->testArray(1));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(0), this->testArray(1));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(1));
#endif
this->setVectors(this->testArray(0), this->testArray(2));
this->V = this->V2;
this->expectValues(this->V, this->testArray(2));
this->expectValues(this->V2, this->testArray(2));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(0), this->testArray(2));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(2));
#endif
this->setVectors(this->testArray(0), this->testArray(42));
this->V = this->V2;
this->expectValues(this->V, this->testArray(42));
this->expectValues(this->V2, this->testArray(42));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(0), this->testArray(42));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(42));
#endif
this->setVectors(this->testArray(1), this->testArray(1));
this->V = this->V2;
this->expectValues(this->V, this->testArray(1));
this->expectValues(this->V2, this->testArray(1));
#if LLVM_HAS_RVALUE_REFERENCES
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(1));
#endif
this->setVectors(this->testArray(1), this->testArray(2));
this->V = this->V2;
this->expectValues(this->V, this->testArray(2));
this->expectValues(this->V2, this->testArray(2));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(1), this->testArray(2));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(2));
#endif
this->setVectors(this->testArray(1), this->testArray(42));
this->V = this->V2;
this->expectValues(this->V, this->testArray(42));
this->expectValues(this->V2, this->testArray(42));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(1), this->testArray(42));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(42));
#endif
this->setVectors(this->testArray(2), this->testArray(1));
this->V = this->V2;
this->expectValues(this->V, this->testArray(1));
this->expectValues(this->V2, this->testArray(1));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(2), this->testArray(1));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(1));
#endif
this->setVectors(this->testArray(2), this->testArray(2));
this->V = this->V2;
this->expectValues(this->V, this->testArray(2));
this->expectValues(this->V2, this->testArray(2));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(2), this->testArray(2));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(2));
#endif
this->setVectors(this->testArray(2), this->testArray(42));
this->V = this->V2;
this->expectValues(this->V, this->testArray(42));
this->expectValues(this->V2, this->testArray(42));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(2), this->testArray(42));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(42));
#endif
this->setVectors(this->testArray(42), this->testArray(1));
this->V = this->V2;
this->expectValues(this->V, this->testArray(1));
this->expectValues(this->V2, this->testArray(1));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(42), this->testArray(1));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(1));
#endif
this->setVectors(this->testArray(42), this->testArray(2));
this->V = this->V2;
this->expectValues(this->V, this->testArray(2));
this->expectValues(this->V2, this->testArray(2));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(42), this->testArray(2));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(2));
#endif
this->setVectors(this->testArray(42), this->testArray(42));
this->V = this->V2;
this->expectValues(this->V, this->testArray(42));
this->expectValues(this->V2, this->testArray(42));
#if LLVM_HAS_RVALUE_REFERENCES
this->setVectors(this->testArray(42), this->testArray(42));
this->V = std::move(this->V2);
this->expectValues(this->V, this->testArray(42));
#endif
}
TYPED_TEST(TinyPtrVectorTest, EraseTest) {
this->appendValues(this->V, this->testArray(1));
this->expectValues(this->V, this->testArray(1));
this->V.erase(this->V.begin());
this->expectValues(this->V, this->testArray(0));
this->appendValues(this->V, this->testArray(42));
this->expectValues(this->V, this->testArray(42));
this->V.erase(this->V.begin());
this->TestPtrs.erase(this->TestPtrs.begin());
this->expectValues(this->V, this->testArray(41));
this->V.erase(llvm::next(this->V.begin(), 1));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 1));
this->expectValues(this->V, this->testArray(40));
this->V.erase(llvm::next(this->V.begin(), 2));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 2));
this->expectValues(this->V, this->testArray(39));
this->V.erase(llvm::next(this->V.begin(), 5));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 5));
this->expectValues(this->V, this->testArray(38));
this->V.erase(llvm::next(this->V.begin(), 13));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 13));
this->expectValues(this->V, this->testArray(37));
typename TypeParam::iterator I = this->V.begin();
do {
I = this->V.erase(I);
} while (I != this->V.end());
this->expectValues(this->V, this->testArray(0));
}
TYPED_TEST(TinyPtrVectorTest, EraseRangeTest) {
this->appendValues(this->V, this->testArray(1));
this->expectValues(this->V, this->testArray(1));
this->V.erase(this->V.begin(), this->V.begin());
this->expectValues(this->V, this->testArray(1));
this->V.erase(this->V.end(), this->V.end());
this->expectValues(this->V, this->testArray(1));
this->V.erase(this->V.begin(), this->V.end());
this->expectValues(this->V, this->testArray(0));
this->appendValues(this->V, this->testArray(42));
this->expectValues(this->V, this->testArray(42));
this->V.erase(this->V.begin(), llvm::next(this->V.begin(), 1));
this->TestPtrs.erase(this->TestPtrs.begin(),
llvm::next(this->TestPtrs.begin(), 1));
this->expectValues(this->V, this->testArray(41));
this->V.erase(llvm::next(this->V.begin(), 1), llvm::next(this->V.begin(), 2));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 1),
llvm::next(this->TestPtrs.begin(), 2));
this->expectValues(this->V, this->testArray(40));
this->V.erase(llvm::next(this->V.begin(), 2), llvm::next(this->V.begin(), 4));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 2),
llvm::next(this->TestPtrs.begin(), 4));
this->expectValues(this->V, this->testArray(38));
this->V.erase(llvm::next(this->V.begin(), 5), llvm::next(this->V.begin(), 10));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 5),
llvm::next(this->TestPtrs.begin(), 10));
this->expectValues(this->V, this->testArray(33));
this->V.erase(llvm::next(this->V.begin(), 13), llvm::next(this->V.begin(), 26));
this->TestPtrs.erase(llvm::next(this->TestPtrs.begin(), 13),
llvm::next(this->TestPtrs.begin(), 26));
this->expectValues(this->V, this->testArray(20));
this->V.erase(llvm::next(this->V.begin(), 7), this->V.end());
this->expectValues(this->V, this->testArray(7));
this->V.erase(this->V.begin(), this->V.end());
this->expectValues(this->V, this->testArray(0));
}
TYPED_TEST(TinyPtrVectorTest, Insert) {
this->V.insert(this->V.end(), this->TestPtrs[0]);
this->expectValues(this->V, this->testArray(1));
this->V.clear();
this->appendValues(this->V, this->testArray(4));
this->expectValues(this->V, this->testArray(4));
this->V.insert(this->V.end(), this->TestPtrs[4]);
this->expectValues(this->V, this->testArray(5));
this->V.insert(this->V.begin(), this->TestPtrs[42]);
this->TestPtrs.insert(this->TestPtrs.begin(), this->TestPtrs[42]);
this->expectValues(this->V, this->testArray(6));
this->V.insert(llvm::next(this->V.begin(), 3), this->TestPtrs[43]);
this->TestPtrs.insert(llvm::next(this->TestPtrs.begin(), 3),
this->TestPtrs[43]);
this->expectValues(this->V, this->testArray(7));
}
TYPED_TEST(TinyPtrVectorTest, InsertRange) {
this->V.insert(this->V.end(), this->TestPtrs.begin(), this->TestPtrs.begin());
this->expectValues(this->V, this->testArray(0));
this->V.insert(this->V.begin(), this->TestPtrs.begin(),
this->TestPtrs.begin());
this->expectValues(this->V, this->testArray(0));
this->V.insert(this->V.end(), this->TestPtrs.end(), this->TestPtrs.end());
this->expectValues(this->V, this->testArray(0));
this->V.insert(this->V.end(), this->TestPtrs.begin(),
llvm::next(this->TestPtrs.begin()));
this->expectValues(this->V, this->testArray(1));
this->V.clear();
this->V.insert(this->V.end(), this->TestPtrs.begin(),
llvm::next(this->TestPtrs.begin(), 2));
this->expectValues(this->V, this->testArray(2));
this->V.clear();
this->V.insert(this->V.end(), this->TestPtrs.begin(),
llvm::next(this->TestPtrs.begin(), 42));
this->expectValues(this->V, this->testArray(42));
this->V.clear();
this->V.insert(this->V.end(),
llvm::next(this->TestPtrs.begin(), 5),
llvm::next(this->TestPtrs.begin(), 13));
this->V.insert(this->V.begin(),
llvm::next(this->TestPtrs.begin(), 0),
llvm::next(this->TestPtrs.begin(), 3));
this->V.insert(llvm::next(this->V.begin(), 2),
llvm::next(this->TestPtrs.begin(), 2),
llvm::next(this->TestPtrs.begin(), 4));
this->V.erase(llvm::next(this->V.begin(), 4));
this->V.insert(llvm::next(this->V.begin(), 4),
llvm::next(this->TestPtrs.begin(), 4),
llvm::next(this->TestPtrs.begin(), 5));
this->expectValues(this->V, this->testArray(13));
}
}
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