psemek/libs/util/tests/array.cpp

165 lines
3 KiB
C++

#include <psemek/test/test.hpp>
#include <psemek/util/array.hpp>
using namespace psemek::util;
test_case(util_array_empty)
{
array<int> a;
expect(a.empty());
expect_equal(a.size(), 0);
expect_equal_ptr(a.data(), nullptr);
}
test_case(util_array_ctor_size)
{
array<int> a(16, 42);
expect(!a.empty());
expect_equal(a.size(), 16);
expect_different_ptr(a.data(), nullptr);
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], 42);
for (int i = 0; i < a.size(); ++i)
a[i] = i;
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], i);
}
test_case(util_array_ctor_range)
{
int data[8] = {2, 3, 5, 7, 11, 13, 17, 19};
array<int> a(std::begin(data), std::end(data));
expect(!a.empty());
expect_equal(a.size(), std::size(data));
expect_different_ptr(a.data(), nullptr);
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], data[i]);
}
test_case(util_array_ctor_initializer__list)
{
int data[8] = {2, 3, 5, 7, 11, 13, 17, 19};
array<int> a{2, 3, 5, 7, 11, 13, 17, 19};
expect(!a.empty());
expect_equal(a.size(), std::size(data));
expect_different_ptr(a.data(), nullptr);
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], data[i]);
}
test_case(util_array_ctor_move)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
a[i] = i;
array<int> b = std::move(a);
expect(a.empty());
expect_equal(a.size(), 0);
expect_equal_ptr(a.data(), nullptr);
expect(!b.empty());
expect_equal(b.size(), 16);
expect_different_ptr(b.data(), nullptr);
for (int i = 0; i < b.size(); ++i)
expect_equal(b[i], i);
}
test_case(util_array_resize)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
a[i] = i;
a.resize(32);
for (int i = 0; i < 16; ++i)
expect_equal(a[i], i);
a.resize(8);
for (int i = 0; i < 8; ++i)
expect_equal(a[i], i);
}
test_case(util_array_clear)
{
array<int> a(16);
a.clear();
expect(a.empty());
expect_equal(a.size(), 0);
expect_equal_ptr(a.data(), nullptr);
}
test_case(util_array_fill)
{
array<int> a(16);
a.fill(42);
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], 42);
}
test_case(util_array_index)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
expect_equal_ptr(&a[i], a.data() + i);
}
test_case(util_array_at)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
expect_equal_ptr(&a.at(i), a.data() + i);
for (int i = a.size(); i < a.size() + 16; ++i)
expect_throw(a.at(i), array_index_out_of_bounds);
}
test_case(util_array_iterator)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
a[i] = i;
int i = 0;
for (auto v : a)
expect_equal(a[i++], v);
i = 0;
for (auto & v : a)
v = 42 * (i++);
for (int i = 0; i < a.size(); ++i)
expect_equal(a[i], 42 * i);
array<int> const b(a.begin(), a.end());
i = 0;
for (auto v : b)
expect_equal(a[i++], v);
}
test_case(util_array_copy)
{
array<int> a(16);
for (int i = 0; i < a.size(); ++i)
a[i] = i;
auto b = a.copy();
expect_equal(a.size(), b.size());
expect_different_ptr(a.data(), b.data());
for (int i = 0; i < b.size(); ++i)
expect_equal(a[i], b[i]);
}