mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
6812c0db35
- These allow clients to make use of the extra elements in the vector which have already been allocated, without requiring them to be value initialized. llvm-svn: 79433
403 lines
10 KiB
C++
403 lines
10 KiB
C++
//===- llvm/unittest/ADT/SmallVectorTest.cpp ------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// SmallVector unit tests.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include <stdarg.h>
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
/// A helper class that counts the total number of constructor and
|
|
/// destructor calls.
|
|
class Constructable {
|
|
private:
|
|
static int numConstructorCalls;
|
|
static int numDestructorCalls;
|
|
static int numAssignmentCalls;
|
|
|
|
int value;
|
|
|
|
public:
|
|
Constructable() : value(0) {
|
|
++numConstructorCalls;
|
|
}
|
|
|
|
Constructable(int val) : value(val) {
|
|
++numConstructorCalls;
|
|
}
|
|
|
|
Constructable(const Constructable & src) {
|
|
value = src.value;
|
|
++numConstructorCalls;
|
|
}
|
|
|
|
~Constructable() {
|
|
++numDestructorCalls;
|
|
}
|
|
|
|
Constructable & operator=(const Constructable & src) {
|
|
value = src.value;
|
|
++numAssignmentCalls;
|
|
return *this;
|
|
}
|
|
|
|
int getValue() const {
|
|
return abs(value);
|
|
}
|
|
|
|
static void reset() {
|
|
numConstructorCalls = 0;
|
|
numDestructorCalls = 0;
|
|
numAssignmentCalls = 0;
|
|
}
|
|
|
|
static int getNumConstructorCalls() {
|
|
return numConstructorCalls;
|
|
}
|
|
|
|
static int getNumDestructorCalls() {
|
|
return numDestructorCalls;
|
|
}
|
|
|
|
friend bool operator==(const Constructable & c0, const Constructable & c1) {
|
|
return c0.getValue() == c1.getValue();
|
|
}
|
|
|
|
friend bool operator!=(const Constructable & c0, const Constructable & c1) {
|
|
return c0.getValue() != c1.getValue();
|
|
}
|
|
};
|
|
|
|
int Constructable::numConstructorCalls;
|
|
int Constructable::numDestructorCalls;
|
|
int Constructable::numAssignmentCalls;
|
|
|
|
// Test fixture class
|
|
class SmallVectorTest : public testing::Test {
|
|
protected:
|
|
typedef SmallVector<Constructable, 4> VectorType;
|
|
|
|
VectorType theVector;
|
|
VectorType otherVector;
|
|
|
|
void SetUp() {
|
|
Constructable::reset();
|
|
}
|
|
|
|
void assertEmpty(VectorType & v) {
|
|
// Size tests
|
|
EXPECT_EQ(0u, v.size());
|
|
EXPECT_TRUE(v.empty());
|
|
|
|
// Iterator tests
|
|
EXPECT_TRUE(v.begin() == v.end());
|
|
}
|
|
|
|
// Assert that theVector contains the specified values, in order.
|
|
void assertValuesInOrder(VectorType & v, size_t size, ...) {
|
|
EXPECT_EQ(size, v.size());
|
|
|
|
va_list ap;
|
|
va_start(ap, size);
|
|
for (size_t i = 0; i < size; ++i) {
|
|
int value = va_arg(ap, int);
|
|
EXPECT_EQ(value, v[i].getValue());
|
|
}
|
|
|
|
va_end(ap);
|
|
}
|
|
|
|
// Generate a sequence of values to initialize the vector.
|
|
void makeSequence(VectorType & v, int start, int end) {
|
|
for (int i = start; i <= end; ++i) {
|
|
v.push_back(Constructable(i));
|
|
}
|
|
}
|
|
};
|
|
|
|
// New vector test.
|
|
TEST_F(SmallVectorTest, EmptyVectorTest) {
|
|
SCOPED_TRACE("EmptyVectorTest");
|
|
assertEmpty(theVector);
|
|
EXPECT_TRUE(theVector.rbegin() == theVector.rend());
|
|
EXPECT_EQ(0, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(0, Constructable::getNumDestructorCalls());
|
|
}
|
|
|
|
// Simple insertions and deletions.
|
|
TEST_F(SmallVectorTest, PushPopTest) {
|
|
SCOPED_TRACE("PushPopTest");
|
|
|
|
// Push an element
|
|
theVector.push_back(Constructable(1));
|
|
|
|
// Size tests
|
|
assertValuesInOrder(theVector, 1u, 1);
|
|
EXPECT_FALSE(theVector.begin() == theVector.end());
|
|
EXPECT_FALSE(theVector.empty());
|
|
|
|
// Push another element
|
|
theVector.push_back(Constructable(2));
|
|
assertValuesInOrder(theVector, 2u, 1, 2);
|
|
|
|
// Pop one element
|
|
theVector.pop_back();
|
|
assertValuesInOrder(theVector, 1u, 1);
|
|
|
|
// Pop another element
|
|
theVector.pop_back();
|
|
assertEmpty(theVector);
|
|
|
|
// Check number of constructor calls. Should be 2 for each list element,
|
|
// one for the argument to push_back, and one for the list element itself.
|
|
EXPECT_EQ(4, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(4, Constructable::getNumDestructorCalls());
|
|
}
|
|
|
|
// Clear test.
|
|
TEST_F(SmallVectorTest, ClearTest) {
|
|
SCOPED_TRACE("ClearTest");
|
|
|
|
makeSequence(theVector, 1, 2);
|
|
theVector.clear();
|
|
|
|
assertEmpty(theVector);
|
|
EXPECT_EQ(4, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(4, Constructable::getNumDestructorCalls());
|
|
}
|
|
|
|
// Resize smaller test.
|
|
TEST_F(SmallVectorTest, ResizeShrinkTest) {
|
|
SCOPED_TRACE("ResizeShrinkTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
theVector.resize(1);
|
|
|
|
assertValuesInOrder(theVector, 1u, 1);
|
|
EXPECT_EQ(6, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(5, Constructable::getNumDestructorCalls());
|
|
}
|
|
|
|
// Resize bigger test.
|
|
TEST_F(SmallVectorTest, ResizeGrowTest) {
|
|
SCOPED_TRACE("ResizeGrowTest");
|
|
|
|
theVector.resize(2);
|
|
|
|
// The extra constructor/destructor calls come from the temporary object used
|
|
// to initialize the contents of the resized array (via copy construction).
|
|
EXPECT_EQ(3, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(1, Constructable::getNumDestructorCalls());
|
|
EXPECT_EQ(2u, theVector.size());
|
|
}
|
|
|
|
// Resize with fill value.
|
|
TEST_F(SmallVectorTest, ResizeFillTest) {
|
|
SCOPED_TRACE("ResizeFillTest");
|
|
|
|
theVector.resize(3, Constructable(77));
|
|
assertValuesInOrder(theVector, 3u, 77, 77, 77);
|
|
}
|
|
|
|
// Overflow past fixed size.
|
|
TEST_F(SmallVectorTest, OverflowTest) {
|
|
SCOPED_TRACE("OverflowTest");
|
|
|
|
// Push more elements than the fixed size.
|
|
makeSequence(theVector, 1, 10);
|
|
|
|
// Test size and values.
|
|
EXPECT_EQ(10u, theVector.size());
|
|
for (int i = 0; i < 10; ++i) {
|
|
EXPECT_EQ(i+1, theVector[i].getValue());
|
|
}
|
|
|
|
// Now resize back to fixed size.
|
|
theVector.resize(1);
|
|
|
|
assertValuesInOrder(theVector, 1u, 1);
|
|
}
|
|
|
|
// Iteration tests.
|
|
TEST_F(SmallVectorTest, IterationTest) {
|
|
makeSequence(theVector, 1, 2);
|
|
|
|
// Forward Iteration
|
|
VectorType::iterator it = theVector.begin();
|
|
EXPECT_TRUE(*it == theVector.front());
|
|
EXPECT_TRUE(*it == theVector[0]);
|
|
EXPECT_EQ(1, it->getValue());
|
|
++it;
|
|
EXPECT_TRUE(*it == theVector[1]);
|
|
EXPECT_TRUE(*it == theVector.back());
|
|
EXPECT_EQ(2, it->getValue());
|
|
++it;
|
|
EXPECT_TRUE(it == theVector.end());
|
|
--it;
|
|
EXPECT_TRUE(*it == theVector[1]);
|
|
EXPECT_EQ(2, it->getValue());
|
|
--it;
|
|
EXPECT_TRUE(*it == theVector[0]);
|
|
EXPECT_EQ(1, it->getValue());
|
|
|
|
// Reverse Iteration
|
|
VectorType::reverse_iterator rit = theVector.rbegin();
|
|
EXPECT_TRUE(*rit == theVector[1]);
|
|
EXPECT_EQ(2, rit->getValue());
|
|
++rit;
|
|
EXPECT_TRUE(*rit == theVector[0]);
|
|
EXPECT_EQ(1, rit->getValue());
|
|
++rit;
|
|
EXPECT_TRUE(rit == theVector.rend());
|
|
--rit;
|
|
EXPECT_TRUE(*rit == theVector[0]);
|
|
EXPECT_EQ(1, rit->getValue());
|
|
--rit;
|
|
EXPECT_TRUE(*rit == theVector[1]);
|
|
EXPECT_EQ(2, rit->getValue());
|
|
}
|
|
|
|
// Swap test.
|
|
TEST_F(SmallVectorTest, SwapTest) {
|
|
SCOPED_TRACE("SwapTest");
|
|
|
|
makeSequence(theVector, 1, 2);
|
|
std::swap(theVector, otherVector);
|
|
|
|
assertEmpty(theVector);
|
|
assertValuesInOrder(otherVector, 2u, 1, 2);
|
|
}
|
|
|
|
// Append test
|
|
TEST_F(SmallVectorTest, AppendTest) {
|
|
SCOPED_TRACE("AppendTest");
|
|
|
|
makeSequence(otherVector, 2, 3);
|
|
|
|
theVector.push_back(Constructable(1));
|
|
theVector.append(otherVector.begin(), otherVector.end());
|
|
|
|
assertValuesInOrder(theVector, 3u, 1, 2, 3);
|
|
}
|
|
|
|
// Append repeated test
|
|
TEST_F(SmallVectorTest, AppendRepeatedTest) {
|
|
SCOPED_TRACE("AppendRepeatedTest");
|
|
|
|
theVector.push_back(Constructable(1));
|
|
theVector.append(2, Constructable(77));
|
|
assertValuesInOrder(theVector, 3u, 1, 77, 77);
|
|
}
|
|
|
|
// Assign test
|
|
TEST_F(SmallVectorTest, AssignTest) {
|
|
SCOPED_TRACE("AssignTest");
|
|
|
|
theVector.push_back(Constructable(1));
|
|
theVector.assign(2, Constructable(77));
|
|
assertValuesInOrder(theVector, 2u, 77, 77);
|
|
}
|
|
|
|
// Erase a single element
|
|
TEST_F(SmallVectorTest, EraseTest) {
|
|
SCOPED_TRACE("EraseTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
theVector.erase(theVector.begin());
|
|
assertValuesInOrder(theVector, 2u, 2, 3);
|
|
}
|
|
|
|
// Erase a range of elements
|
|
TEST_F(SmallVectorTest, EraseRangeTest) {
|
|
SCOPED_TRACE("EraseRangeTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
theVector.erase(theVector.begin(), theVector.begin() + 2);
|
|
assertValuesInOrder(theVector, 1u, 3);
|
|
}
|
|
|
|
// Insert a single element.
|
|
TEST_F(SmallVectorTest, InsertTest) {
|
|
SCOPED_TRACE("InsertTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
theVector.insert(theVector.begin() + 1, Constructable(77));
|
|
assertValuesInOrder(theVector, 4u, 1, 77, 2, 3);
|
|
}
|
|
|
|
// Insert repeated elements.
|
|
TEST_F(SmallVectorTest, InsertRepeatedTest) {
|
|
SCOPED_TRACE("InsertRepeatedTest");
|
|
|
|
makeSequence(theVector, 10, 15);
|
|
theVector.insert(theVector.begin() + 1, 2, Constructable(16));
|
|
assertValuesInOrder(theVector, 8u, 10, 16, 16, 11, 12, 13, 14, 15);
|
|
}
|
|
|
|
// Insert range.
|
|
TEST_F(SmallVectorTest, InsertRangeTest) {
|
|
SCOPED_TRACE("InsertRepeatedTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
theVector.insert(theVector.begin() + 1, 3, Constructable(77));
|
|
assertValuesInOrder(theVector, 6u, 1, 77, 77, 77, 2, 3);
|
|
}
|
|
|
|
// Comparison tests.
|
|
TEST_F(SmallVectorTest, ComparisonTest) {
|
|
SCOPED_TRACE("ComparisonTest");
|
|
|
|
makeSequence(theVector, 1, 3);
|
|
makeSequence(otherVector, 1, 3);
|
|
|
|
EXPECT_TRUE(theVector == otherVector);
|
|
EXPECT_FALSE(theVector != otherVector);
|
|
|
|
otherVector.clear();
|
|
makeSequence(otherVector, 2, 4);
|
|
|
|
EXPECT_FALSE(theVector == otherVector);
|
|
EXPECT_TRUE(theVector != otherVector);
|
|
}
|
|
|
|
// Constant vector tests.
|
|
TEST_F(SmallVectorTest, ConstVectorTest) {
|
|
const VectorType constVector;
|
|
|
|
EXPECT_EQ(0u, constVector.size());
|
|
EXPECT_TRUE(constVector.empty());
|
|
EXPECT_TRUE(constVector.begin() == constVector.end());
|
|
}
|
|
|
|
// Direct array access.
|
|
TEST_F(SmallVectorTest, DirectVectorTest) {
|
|
EXPECT_EQ(0u, theVector.size());
|
|
EXPECT_EQ(4u, theVector.capacity());
|
|
EXPECT_EQ(0, Constructable::getNumConstructorCalls());
|
|
theVector.end()[0] = 1;
|
|
theVector.end()[1] = 2;
|
|
theVector.end()[2] = 3;
|
|
theVector.end()[3] = 4;
|
|
theVector.set_size(4);
|
|
EXPECT_EQ(4u, theVector.size());
|
|
EXPECT_EQ(4, Constructable::getNumConstructorCalls());
|
|
EXPECT_EQ(1, theVector[0].getValue());
|
|
EXPECT_EQ(2, theVector[1].getValue());
|
|
EXPECT_EQ(3, theVector[2].getValue());
|
|
EXPECT_EQ(4, theVector[3].getValue());
|
|
}
|
|
|
|
}
|