d8678e02ec
The main focus here was to improve the docs significantly. Furthermore, I reimplemented `Set`, `Map` and `VectorSet`. They are now (usually) faster, simpler and more customizable. I also rewrote `Stack` to make it more efficient by avoiding unnecessary copies. Thanks to everyone who helped with constructive feedback. Approved by brecht and sybren. Differential Revision: https://developer.blender.org/D7931
639 lines
13 KiB
C++
639 lines
13 KiB
C++
#include "BLI_strict_flags.h"
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#include "BLI_vector.hh"
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#include "testing/testing.h"
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#include <forward_list>
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using namespace BLI;
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TEST(vector, DefaultConstructor)
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{
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Vector<int> vec;
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EXPECT_EQ(vec.size(), 0);
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}
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TEST(vector, SizeConstructor)
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{
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Vector<int> vec(3);
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EXPECT_EQ(vec.size(), 3);
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}
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/**
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* Tests that the trivially constructible types are not zero-initialized. We do not want that for
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* performance reasons.
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*/
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TEST(vector, TrivialTypeSizeConstructor)
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{
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Vector<char, 1> *vec = new Vector<char, 1>(1);
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char *ptr = &(*vec)[0];
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vec->~Vector();
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const char magic = 42;
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*ptr = magic;
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EXPECT_EQ(*ptr, magic);
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new (vec) Vector<char, 1>(1);
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EXPECT_EQ((*vec)[0], magic);
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EXPECT_EQ(*ptr, magic);
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delete vec;
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}
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TEST(vector, SizeValueConstructor)
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{
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Vector<int> vec(4, 10);
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EXPECT_EQ(vec.size(), 4);
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EXPECT_EQ(vec[0], 10);
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EXPECT_EQ(vec[1], 10);
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EXPECT_EQ(vec[2], 10);
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EXPECT_EQ(vec[3], 10);
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}
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TEST(vector, InitializerListConstructor)
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{
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Vector<int> vec = {1, 3, 4, 6};
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EXPECT_EQ(vec.size(), 4);
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EXPECT_EQ(vec[0], 1);
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EXPECT_EQ(vec[1], 3);
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EXPECT_EQ(vec[2], 4);
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EXPECT_EQ(vec[3], 6);
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}
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struct TestListValue {
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TestListValue *next, *prev;
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int value;
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};
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TEST(vector, ListBaseConstructor)
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{
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TestListValue *value1 = new TestListValue{0, 0, 4};
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TestListValue *value2 = new TestListValue{0, 0, 5};
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TestListValue *value3 = new TestListValue{0, 0, 6};
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ListBase list = {NULL, NULL};
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BLI_addtail(&list, value1);
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BLI_addtail(&list, value2);
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BLI_addtail(&list, value3);
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Vector<TestListValue *> vec(list);
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EXPECT_EQ(vec.size(), 3);
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EXPECT_EQ(vec[0]->value, 4);
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EXPECT_EQ(vec[1]->value, 5);
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EXPECT_EQ(vec[2]->value, 6);
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delete value1;
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delete value2;
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delete value3;
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}
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TEST(vector, ContainerConstructor)
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{
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std::forward_list<int> list;
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list.push_front(3);
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list.push_front(1);
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list.push_front(5);
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Vector<int> vec = Vector<int>::FromContainer(list);
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EXPECT_EQ(vec.size(), 3);
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EXPECT_EQ(vec[0], 5);
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EXPECT_EQ(vec[1], 1);
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EXPECT_EQ(vec[2], 3);
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}
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TEST(vector, CopyConstructor)
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{
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Vector<int> vec1 = {1, 2, 3};
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Vector<int> vec2(vec1);
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EXPECT_EQ(vec2.size(), 3);
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EXPECT_EQ(vec2[0], 1);
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EXPECT_EQ(vec2[1], 2);
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EXPECT_EQ(vec2[2], 3);
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vec1[1] = 5;
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EXPECT_EQ(vec1[1], 5);
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EXPECT_EQ(vec2[1], 2);
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}
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TEST(vector, CopyConstructor2)
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{
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Vector<int, 2> vec1 = {1, 2, 3, 4};
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Vector<int, 3> vec2(vec1);
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EXPECT_EQ(vec1.size(), 4);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_NE(vec1.data(), vec2.data());
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EXPECT_EQ(vec2[0], 1);
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EXPECT_EQ(vec2[1], 2);
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EXPECT_EQ(vec2[2], 3);
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EXPECT_EQ(vec2[3], 4);
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}
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TEST(vector, CopyConstructor3)
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{
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Vector<int, 20> vec1 = {1, 2, 3, 4};
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Vector<int, 1> vec2(vec1);
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EXPECT_EQ(vec1.size(), 4);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_NE(vec1.data(), vec2.data());
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EXPECT_EQ(vec2[2], 3);
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}
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TEST(vector, CopyConstructor4)
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{
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Vector<int, 5> vec1 = {1, 2, 3, 4};
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Vector<int, 6> vec2(vec1);
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EXPECT_EQ(vec1.size(), 4);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_NE(vec1.data(), vec2.data());
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EXPECT_EQ(vec2[3], 4);
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}
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TEST(vector, MoveConstructor)
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{
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Vector<int> vec1 = {1, 2, 3, 4};
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Vector<int> vec2(std::move(vec1));
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EXPECT_EQ(vec1.size(), 0);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_EQ(vec2[0], 1);
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EXPECT_EQ(vec2[1], 2);
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EXPECT_EQ(vec2[2], 3);
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EXPECT_EQ(vec2[3], 4);
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}
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TEST(vector, MoveConstructor2)
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{
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Vector<int, 2> vec1 = {1, 2, 3, 4};
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Vector<int, 3> vec2(std::move(vec1));
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EXPECT_EQ(vec1.size(), 0);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_EQ(vec2[0], 1);
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EXPECT_EQ(vec2[1], 2);
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EXPECT_EQ(vec2[2], 3);
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EXPECT_EQ(vec2[3], 4);
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}
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TEST(vector, MoveConstructor3)
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{
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Vector<int, 20> vec1 = {1, 2, 3, 4};
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Vector<int, 1> vec2(std::move(vec1));
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EXPECT_EQ(vec1.size(), 0);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_EQ(vec2[2], 3);
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}
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TEST(vector, MoveConstructor4)
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{
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Vector<int, 5> vec1 = {1, 2, 3, 4};
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Vector<int, 6> vec2(std::move(vec1));
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EXPECT_EQ(vec1.size(), 0);
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EXPECT_EQ(vec2.size(), 4);
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EXPECT_EQ(vec2[3], 4);
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}
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TEST(vector, MoveAssignment)
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{
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Vector<int> vec = {1, 2};
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EXPECT_EQ(vec.size(), 2);
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EXPECT_EQ(vec[0], 1);
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EXPECT_EQ(vec[1], 2);
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vec = Vector<int>({5});
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EXPECT_EQ(vec.size(), 1);
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EXPECT_EQ(vec[0], 5);
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}
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TEST(vector, CopyAssignment)
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{
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Vector<int> vec1 = {1, 2, 3};
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Vector<int> vec2 = {4, 5};
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EXPECT_EQ(vec1.size(), 3);
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EXPECT_EQ(vec2.size(), 2);
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vec2 = vec1;
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EXPECT_EQ(vec2.size(), 3);
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vec1[0] = 7;
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EXPECT_EQ(vec1[0], 7);
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EXPECT_EQ(vec2[0], 1);
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}
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TEST(vector, Append)
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{
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Vector<int> vec;
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vec.append(3);
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vec.append(6);
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vec.append(7);
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EXPECT_EQ(vec.size(), 3);
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EXPECT_EQ(vec[0], 3);
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EXPECT_EQ(vec[1], 6);
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EXPECT_EQ(vec[2], 7);
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}
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TEST(vector, AppendAndGetIndex)
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{
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Vector<int> vec;
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EXPECT_EQ(vec.append_and_get_index(10), 0);
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EXPECT_EQ(vec.append_and_get_index(10), 1);
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EXPECT_EQ(vec.append_and_get_index(10), 2);
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vec.append(10);
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EXPECT_EQ(vec.append_and_get_index(10), 4);
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}
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TEST(vector, AppendNonDuplicates)
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{
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Vector<int> vec;
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vec.append_non_duplicates(4);
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EXPECT_EQ(vec.size(), 1);
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vec.append_non_duplicates(5);
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EXPECT_EQ(vec.size(), 2);
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vec.append_non_duplicates(4);
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EXPECT_EQ(vec.size(), 2);
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}
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TEST(vector, ExtendNonDuplicates)
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{
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Vector<int> vec;
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vec.extend_non_duplicates({1, 2});
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EXPECT_EQ(vec.size(), 2);
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vec.extend_non_duplicates({3, 4});
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EXPECT_EQ(vec.size(), 4);
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vec.extend_non_duplicates({0, 1, 2, 3});
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EXPECT_EQ(vec.size(), 5);
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}
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TEST(vector, Fill)
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{
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Vector<int> vec(5);
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vec.fill(3);
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EXPECT_EQ(vec.size(), 5);
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EXPECT_EQ(vec[0], 3);
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EXPECT_EQ(vec[1], 3);
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EXPECT_EQ(vec[2], 3);
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EXPECT_EQ(vec[3], 3);
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EXPECT_EQ(vec[4], 3);
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}
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TEST(vector, FillIndices)
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{
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Vector<int> vec(5, 0);
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vec.fill_indices({1, 2}, 4);
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EXPECT_EQ(vec[0], 0);
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EXPECT_EQ(vec[1], 4);
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EXPECT_EQ(vec[2], 4);
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EXPECT_EQ(vec[3], 0);
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EXPECT_EQ(vec[4], 0);
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}
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TEST(vector, Iterator)
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{
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Vector<int> vec({1, 4, 9, 16});
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int i = 1;
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for (int value : vec) {
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EXPECT_EQ(value, i * i);
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i++;
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}
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}
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TEST(vector, BecomeLarge)
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{
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Vector<int, 4> vec;
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for (int i = 0; i < 100; i++) {
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vec.append(i * 5);
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}
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EXPECT_EQ(vec.size(), 100);
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for (uint i = 0; i < 100; i++) {
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EXPECT_EQ(vec[i], i * 5);
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}
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}
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static Vector<int> return_by_value_helper()
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{
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return Vector<int>({3, 5, 1});
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}
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TEST(vector, ReturnByValue)
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{
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Vector<int> vec = return_by_value_helper();
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EXPECT_EQ(vec.size(), 3);
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EXPECT_EQ(vec[0], 3);
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EXPECT_EQ(vec[1], 5);
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EXPECT_EQ(vec[2], 1);
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}
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TEST(vector, VectorOfVectors_Append)
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{
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Vector<Vector<int>> vec;
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EXPECT_EQ(vec.size(), 0);
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Vector<int> v({1, 2});
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vec.append(v);
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vec.append({7, 8});
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EXPECT_EQ(vec.size(), 2);
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EXPECT_EQ(vec[0][0], 1);
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EXPECT_EQ(vec[0][1], 2);
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EXPECT_EQ(vec[1][0], 7);
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EXPECT_EQ(vec[1][1], 8);
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}
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TEST(vector, VectorOfVectors_Fill)
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{
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Vector<Vector<int>> vec(3);
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vec.fill({4, 5});
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EXPECT_EQ(vec[0][0], 4);
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EXPECT_EQ(vec[0][1], 5);
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EXPECT_EQ(vec[1][0], 4);
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EXPECT_EQ(vec[1][1], 5);
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EXPECT_EQ(vec[2][0], 4);
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EXPECT_EQ(vec[2][1], 5);
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}
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TEST(vector, RemoveLast)
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{
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Vector<int> vec = {5, 6};
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EXPECT_EQ(vec.size(), 2);
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vec.remove_last();
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EXPECT_EQ(vec.size(), 1);
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vec.remove_last();
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EXPECT_EQ(vec.size(), 0);
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}
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TEST(vector, IsEmpty)
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{
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Vector<int> vec;
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EXPECT_TRUE(vec.is_empty());
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vec.append(1);
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EXPECT_FALSE(vec.is_empty());
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vec.remove_last();
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EXPECT_TRUE(vec.is_empty());
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}
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TEST(vector, RemoveReorder)
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{
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Vector<int> vec = {4, 5, 6, 7};
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vec.remove_and_reorder(1);
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EXPECT_EQ(vec[0], 4);
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EXPECT_EQ(vec[1], 7);
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EXPECT_EQ(vec[2], 6);
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vec.remove_and_reorder(2);
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EXPECT_EQ(vec[0], 4);
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EXPECT_EQ(vec[1], 7);
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vec.remove_and_reorder(0);
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EXPECT_EQ(vec[0], 7);
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vec.remove_and_reorder(0);
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EXPECT_TRUE(vec.is_empty());
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}
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TEST(vector, RemoveFirstOccurrenceAndReorder)
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{
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Vector<int> vec = {4, 5, 6, 7};
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vec.remove_first_occurrence_and_reorder(5);
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EXPECT_EQ(vec[0], 4);
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EXPECT_EQ(vec[1], 7);
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EXPECT_EQ(vec[2], 6);
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vec.remove_first_occurrence_and_reorder(6);
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EXPECT_EQ(vec[0], 4);
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EXPECT_EQ(vec[1], 7);
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vec.remove_first_occurrence_and_reorder(4);
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EXPECT_EQ(vec[0], 7);
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vec.remove_first_occurrence_and_reorder(7);
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EXPECT_EQ(vec.size(), 0);
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}
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TEST(vector, Remove)
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{
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Vector<int> vec = {1, 2, 3, 4, 5, 6};
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vec.remove(3);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({1, 2, 3, 5, 6}).begin()));
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vec.remove(0);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({2, 3, 5, 6}).begin()));
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vec.remove(3);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({2, 3, 5}).begin()));
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vec.remove(1);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({2, 5}).begin()));
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vec.remove(1);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({2}).begin()));
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vec.remove(0);
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EXPECT_TRUE(std::equal(vec.begin(), vec.end(), ArrayRef<int>({}).begin()));
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}
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TEST(vector, ExtendSmallVector)
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{
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Vector<int> a = {2, 3, 4};
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Vector<int> b = {11, 12};
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b.extend(a);
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EXPECT_EQ(b.size(), 5);
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EXPECT_EQ(b[0], 11);
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EXPECT_EQ(b[1], 12);
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EXPECT_EQ(b[2], 2);
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EXPECT_EQ(b[3], 3);
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EXPECT_EQ(b[4], 4);
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}
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TEST(vector, ExtendArray)
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{
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int array[] = {3, 4, 5, 6};
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Vector<int> a;
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a.extend(array, 2);
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EXPECT_EQ(a.size(), 2);
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EXPECT_EQ(a[0], 3);
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EXPECT_EQ(a[1], 4);
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}
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TEST(vector, Last)
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{
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Vector<int> a{3, 5, 7};
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EXPECT_EQ(a.last(), 7);
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}
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TEST(vector, AppendNTimes)
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{
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Vector<int> a;
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a.append_n_times(5, 3);
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a.append_n_times(2, 2);
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EXPECT_EQ(a.size(), 5);
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EXPECT_EQ(a[0], 5);
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EXPECT_EQ(a[1], 5);
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EXPECT_EQ(a[2], 5);
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EXPECT_EQ(a[3], 2);
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EXPECT_EQ(a[4], 2);
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}
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TEST(vector, UniquePtrValue)
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{
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Vector<std::unique_ptr<int>> vec;
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vec.append(std::unique_ptr<int>(new int()));
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vec.append(std::unique_ptr<int>(new int()));
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vec.append(std::unique_ptr<int>(new int()));
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vec.append(std::unique_ptr<int>(new int()));
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EXPECT_EQ(vec.size(), 4);
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std::unique_ptr<int> &a = vec.last();
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std::unique_ptr<int> b = vec.pop_last();
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vec.remove_and_reorder(0);
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vec.remove(0);
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EXPECT_EQ(vec.size(), 1);
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UNUSED_VARS(a, b);
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}
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class TypeConstructMock {
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public:
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bool default_constructed = false;
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bool copy_constructed = false;
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bool move_constructed = false;
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bool copy_assigned = false;
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bool move_assigned = false;
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TypeConstructMock() : default_constructed(true)
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{
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}
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TypeConstructMock(const TypeConstructMock &other) : copy_constructed(true)
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{
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}
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TypeConstructMock(TypeConstructMock &&other) : move_constructed(true)
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{
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}
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TypeConstructMock &operator=(const TypeConstructMock &other)
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{
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if (this == &other) {
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return *this;
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}
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copy_assigned = true;
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return *this;
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}
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TypeConstructMock &operator=(TypeConstructMock &&other)
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{
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if (this == &other) {
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return *this;
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}
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move_assigned = true;
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return *this;
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}
|
|
};
|
|
|
|
TEST(vector, SizeConstructorCallsDefaultConstructor)
|
|
{
|
|
Vector<TypeConstructMock> vec(3);
|
|
EXPECT_TRUE(vec[0].default_constructed);
|
|
EXPECT_TRUE(vec[1].default_constructed);
|
|
EXPECT_TRUE(vec[2].default_constructed);
|
|
}
|
|
|
|
TEST(vector, SizeValueConstructorCallsCopyConstructor)
|
|
{
|
|
Vector<TypeConstructMock> vec(3, TypeConstructMock());
|
|
EXPECT_TRUE(vec[0].copy_constructed);
|
|
EXPECT_TRUE(vec[1].copy_constructed);
|
|
EXPECT_TRUE(vec[2].copy_constructed);
|
|
}
|
|
|
|
TEST(vector, AppendCallsCopyConstructor)
|
|
{
|
|
Vector<TypeConstructMock> vec;
|
|
TypeConstructMock value;
|
|
vec.append(value);
|
|
EXPECT_TRUE(vec[0].copy_constructed);
|
|
}
|
|
|
|
TEST(vector, AppendCallsMoveConstructor)
|
|
{
|
|
Vector<TypeConstructMock> vec;
|
|
vec.append(TypeConstructMock());
|
|
EXPECT_TRUE(vec[0].move_constructed);
|
|
}
|
|
|
|
TEST(vector, SmallVectorCopyCallsCopyConstructor)
|
|
{
|
|
Vector<TypeConstructMock, 2> src(2);
|
|
Vector<TypeConstructMock, 2> dst(src);
|
|
EXPECT_TRUE(dst[0].copy_constructed);
|
|
EXPECT_TRUE(dst[1].copy_constructed);
|
|
}
|
|
|
|
TEST(vector, LargeVectorCopyCallsCopyConstructor)
|
|
{
|
|
Vector<TypeConstructMock, 2> src(5);
|
|
Vector<TypeConstructMock, 2> dst(src);
|
|
EXPECT_TRUE(dst[0].copy_constructed);
|
|
EXPECT_TRUE(dst[1].copy_constructed);
|
|
}
|
|
|
|
TEST(vector, SmallVectorMoveCallsMoveConstructor)
|
|
{
|
|
Vector<TypeConstructMock, 2> src(2);
|
|
Vector<TypeConstructMock, 2> dst(std::move(src));
|
|
EXPECT_TRUE(dst[0].move_constructed);
|
|
EXPECT_TRUE(dst[1].move_constructed);
|
|
}
|
|
|
|
TEST(vector, LargeVectorMoveCallsNoConstructor)
|
|
{
|
|
Vector<TypeConstructMock, 2> src(5);
|
|
Vector<TypeConstructMock, 2> dst(std::move(src));
|
|
|
|
EXPECT_TRUE(dst[0].default_constructed);
|
|
EXPECT_FALSE(dst[0].move_constructed);
|
|
EXPECT_FALSE(dst[0].copy_constructed);
|
|
}
|
|
|
|
TEST(vector, Resize)
|
|
{
|
|
std::string long_string = "012345678901234567890123456789";
|
|
Vector<std::string> vec;
|
|
EXPECT_EQ(vec.size(), 0);
|
|
vec.resize(2);
|
|
EXPECT_EQ(vec.size(), 2);
|
|
EXPECT_EQ(vec[0], "");
|
|
EXPECT_EQ(vec[1], "");
|
|
vec.resize(5, long_string);
|
|
EXPECT_EQ(vec.size(), 5);
|
|
EXPECT_EQ(vec[0], "");
|
|
EXPECT_EQ(vec[1], "");
|
|
EXPECT_EQ(vec[2], long_string);
|
|
EXPECT_EQ(vec[3], long_string);
|
|
EXPECT_EQ(vec[4], long_string);
|
|
vec.resize(1);
|
|
EXPECT_EQ(vec.size(), 1);
|
|
EXPECT_EQ(vec[0], "");
|
|
}
|
|
|
|
TEST(vector, FirstIndexOf)
|
|
{
|
|
Vector<int> vec = {2, 3, 5, 7, 5, 9};
|
|
EXPECT_EQ(vec.first_index_of(2), 0);
|
|
EXPECT_EQ(vec.first_index_of(5), 2);
|
|
EXPECT_EQ(vec.first_index_of(9), 5);
|
|
}
|
|
|
|
TEST(vector, FirstIndexTryOf)
|
|
{
|
|
Vector<int> vec = {2, 3, 5, 7, 5, 9};
|
|
EXPECT_EQ(vec.first_index_of_try(2), 0);
|
|
EXPECT_EQ(vec.first_index_of_try(4), -1);
|
|
EXPECT_EQ(vec.first_index_of_try(5), 2);
|
|
EXPECT_EQ(vec.first_index_of_try(9), 5);
|
|
EXPECT_EQ(vec.first_index_of_try(1), -1);
|
|
}
|
|
|
|
TEST(vector, OveralignedValues)
|
|
{
|
|
Vector<AlignedBuffer<1, 512>, 2> vec;
|
|
for (int i = 0; i < 100; i++) {
|
|
vec.append({});
|
|
EXPECT_EQ((uintptr_t)&vec.last() % 512, 0);
|
|
}
|
|
}
|