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#include "BLI_array.hh"
#include "BLI_strict_flags.h"
#include "testing/testing.h"
using namespace blender;
TEST(array, DefaultConstructor)
{
Array<int> array;
EXPECT_EQ(array.size(), 0);
EXPECT_TRUE(array.is_empty());
}
TEST(array, SizeConstructor)
{
Array<int> array(5);
EXPECT_EQ(array.size(), 5);
EXPECT_FALSE(array.is_empty());
}
TEST(array, FillConstructor)
{
Array<int> array(5, 8);
EXPECT_EQ(array.size(), 5);
EXPECT_EQ(array[0], 8);
EXPECT_EQ(array[1], 8);
EXPECT_EQ(array[2], 8);
EXPECT_EQ(array[3], 8);
EXPECT_EQ(array[4], 8);
}
TEST(array, InitializerListConstructor)
{
Array<int> array = {4, 5, 6, 7};
EXPECT_EQ(array.size(), 4);
EXPECT_EQ(array[0], 4);
EXPECT_EQ(array[1], 5);
EXPECT_EQ(array[2], 6);
EXPECT_EQ(array[3], 7);
}
TEST(array, SpanConstructor)
{
int stackarray[4] = {6, 7, 8, 9};
Span<int> span(stackarray, ARRAY_SIZE(stackarray));
Array<int> array(span);
EXPECT_EQ(array.size(), 4);
EXPECT_EQ(array[0], 6);
EXPECT_EQ(array[1], 7);
EXPECT_EQ(array[2], 8);
EXPECT_EQ(array[3], 9);
}
TEST(array, CopyConstructor)
{
Array<int> array = {5, 6, 7, 8};
Array<int> new_array(array);
EXPECT_EQ(array.size(), 4);
EXPECT_EQ(new_array.size(), 4);
EXPECT_NE(array.data(), new_array.data());
EXPECT_EQ(new_array[0], 5);
EXPECT_EQ(new_array[1], 6);
EXPECT_EQ(new_array[2], 7);
EXPECT_EQ(new_array[3], 8);
}
TEST(array, MoveConstructor)
{
Array<int> array = {5, 6, 7, 8};
Array<int> new_array(std::move(array));
EXPECT_EQ(array.size(), 0);
EXPECT_EQ(new_array.size(), 4);
EXPECT_EQ(new_array[0], 5);
EXPECT_EQ(new_array[1], 6);
EXPECT_EQ(new_array[2], 7);
EXPECT_EQ(new_array[3], 8);
}
TEST(array, CopyAssignment)
{
Array<int> array = {1, 2, 3};
Array<int> new_array = {4};
EXPECT_EQ(new_array.size(), 1);
new_array = array;
EXPECT_EQ(new_array.size(), 3);
EXPECT_EQ(array.size(), 3);
EXPECT_NE(array.data(), new_array.data());
EXPECT_EQ(new_array[0], 1);
EXPECT_EQ(new_array[1], 2);
EXPECT_EQ(new_array[2], 3);
}
TEST(array, MoveAssignment)
{
Array<int> array = {1, 2, 3};
Array<int> new_array = {4};
EXPECT_EQ(new_array.size(), 1);
new_array = std::move(array);
EXPECT_EQ(new_array.size(), 3);
EXPECT_EQ(array.size(), 0);
EXPECT_EQ(new_array[0], 1);
EXPECT_EQ(new_array[1], 2);
EXPECT_EQ(new_array[2], 3);
}
/**
* Tests that the trivially constructible types are not zero-initialized. We do not want that for
* performance reasons.
*/
TEST(array, TrivialTypeSizeConstructor)
{
Array<char, 1> *array = new Array<char, 1>(1);
char *ptr = &(*array)[0];
array->~Array();
const char magic = 42;
*ptr = magic;
EXPECT_EQ(*ptr, magic);
new (array) Array<char, 1>(1);
EXPECT_EQ((*array)[0], magic);
EXPECT_EQ(*ptr, magic);
delete array;
}
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