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author | Bill Wendling <isanbard@gmail.com> | 2009-01-10 12:56:31 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2009-01-10 12:56:31 +0000 |
commit | f2850d9e2785341e099da5f5f50e1673660da2b8 (patch) | |
tree | 6e4506e5d317237cd5cf6ca03fe60c9d6f3c0a47 /unittests | |
parent | f2accb5c9eae69bce73a338680825a229f23ae5a (diff) | |
download | external_llvm-f2850d9e2785341e099da5f5f50e1673660da2b8.zip external_llvm-f2850d9e2785341e099da5f5f50e1673660da2b8.tar.gz external_llvm-f2850d9e2785341e099da5f5f50e1673660da2b8.tar.bz2 |
Adding unittests for SmallVector. Test by Talin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62025 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r-- | unittests/ADT/SmallVectorTest.cpp | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/unittests/ADT/SmallVectorTest.cpp b/unittests/ADT/SmallVectorTest.cpp new file mode 100644 index 0000000..88b00eb --- /dev/null +++ b/unittests/ADT/SmallVectorTest.cpp @@ -0,0 +1,383 @@ +//===- llvm/unittest/ADT/SmallVectorMap.cpp ---------------------*- C++ -*-===// +// +// 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); + + // XXX: I don't know where the extra construct/destruct is coming from. + 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, 1, 3); + theVector.insert(theVector.begin() + 1, 3, Constructable(77)); + assertValuesInOrder(theVector, 6u, 1, 77, 77, 77, 2, 3); +} + +// 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()); +} + +} |