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1 files changed, 322 insertions, 0 deletions
| -rw-r--r-- | Seminar03/src/dynamic-array/tests.cpp | 322 |
diff --git a/Seminar03/src/dynamic-array/tests.cpp b/Seminar03/src/dynamic-array/tests.cpp new file mode 100644 index 0000000..0d30813 --- /dev/null +++ b/Seminar03/src/dynamic-array/tests.cpp @@ -0,0 +1,322 @@ +#define TEST_DIR_VECTOR_ALLOC "vector-allocator/vector.hpp" +#define TEST_DIR_VECTOR "vector/vector.hpp" + +#include TEST_DIR_VECTOR +#include <algorithm> +#include <cassert> +#include <chrono> +#include <functional> +#include <iostream> +#include <thread> + +struct Entity +{ + int x; + + Entity(int _x) + : x(_x) + {} + Entity() + : x() + {} + + ~Entity() + { + x = -1; + } +}; + +void tests_default() +{ + vector<Entity> v; + + v.push_back(Entity(1)); + assert(v.back().x == 1); + assert(v.size() == 1); + assert(v.capacity() == 1); + + v.emplace_back(2); + assert(v.back().x == 2); + assert(v.size() == 2); + assert(v.capacity() == 2); + + for (int i = 3; i <= 10; i++) + v.emplace_back(i); + + for (int i = 1; i <= 10; i++) + assert(v[i - 1].x == i); + + for (int i = 1; i <= 10; i++) + assert((v.begin() + (i - 1))->x == i); + + assert(v.size() == 10); + assert(v.capacity() == 16); + + int cnt = 1; + for (auto e : v) + assert(e.x == cnt++); +} + +void test_resize_reserve() +{ + std::vector<Entity> v; + vector<Entity> v1; + + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + assert(v.data() == nullptr && v1.data() == nullptr); + + v.reserve(10); + v1.reserve(10); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + v.reserve(20); + v1.reserve(20); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + v.reserve(10); + v1.reserve(10); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + v.shrink_to_fit(); + v1.shrink_to_fit(); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + v.resize(10); + v1.resize(10); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + v.resize(20); + v1.resize(20); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + + for (size_t i = 0; i < v1.size(); i++) + v1[i].x = i; + + v.resize(10); + v1.resize(10); + + for (size_t i = 0; i < v1.size(); i++) + assert(v1[i].x == i); + + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); + assert(v1.front().x == 0 && v1.back().x == 9); + + v.push_back(1); + v.push_back(2); + v.emplace_back(3); + + v1.push_back(1); + v1.push_back(2); + v1.emplace_back(3); + + v.shrink_to_fit(); + v1.shrink_to_fit(); + assert(v1.size() == v.size() && v1.capacity() == v.capacity()); +} + +void push_pop_tests() +{ + vector<int> v; + + for (size_t i = 0; i < 100; i++) + v.push_back(i); + + int j = 100; + while (!v.empty()) + { + assert(v.back() == --j); + v.pop_back(); + } +} + +void erase_tests() +{ + vector<int> v; + for (size_t i = 1; i <= 100; i++) + { + v.push_back(i); + } + + v.erase(v.begin(), v.begin() + 49); + + int j = 50; + + for (auto x : v) + { + assert(x == j++); + } + + assert(v.size() == 51); + + v.erase(v.begin()); + assert(v.front() == 51 && v.size() == 50); + + v.erase(v.begin() + 10, v.begin() + 20); + assert(v.size() == 40); + + for (auto x : v) + { + assert(!(x >= 61 && x <= 70)); + } + + v.erase(v.begin(), v.end()); + assert(v.empty()); +} + +int called = 0; + +struct constructor_called +{ + constructor_called() + { + ++called; + } +}; + +void constructor_tests() +{ + // Default construct + vector<int> start; + assert(start.size() == 0 && start.capacity() == 0 && start.data() == nullptr); + start.push_back(0); + assert(start.size() == 1 && start.capacity() == 1 && start.data() != nullptr); + start.pop_back(); + assert(start.size() == 0 && start.capacity() == 1 && start.data() != nullptr); + + size_t length = 200; + + for (size_t i = 0; i < length; i++) + start.push_back(rand() % 1000); + + // Copy constructor tests + vector<int> copy(start); + for (size_t i = 0; i < length; i++) + assert(copy[i] == start[i]); + + // Move constructor tests + vector<int> moved(std::move(copy)); + assert(copy.data() == nullptr && copy.size() == 0 && copy.capacity() == 0); + + for (size_t i = 0; i < length; i++) + assert(moved[i] == start[i]); + + // Parameter constructors + std::vector<constructor_called> v(10); + assert(called == 10); + v.reserve(20); + assert(called == 10); + + std::vector<Entity> v2(20, 20); + for (const auto& e : v2) + { + assert(e.x == 20); + } +} + +void push_back_tests() +{ + vector<int> v; + + for (size_t i = 0; i < 1000; i++) + v.push_back(i); + + assert(v.size() == 1000); + + for (int i = 0; i < 1000; i++) + assert(v[i] == i); +} + +void erase_test() +{ + vector<int> v; + + for (size_t i = 0; i < 1001; i++) + v.push_back(i); + + auto it = v.begin(); + + while (it != v.end()) + { + if ((*it % 2) == 0) + { + v.erase(it); + it = v.begin(); + } + ++it; + } + + for (auto x : v) + assert(x % 2); + + assert(v.size() == 500); +} + +void iterator_tests() +{ + vector<int> v; + for (size_t i = 0; i < 100; i++) + { + v.push_back(i); + } + + for (size_t i = 0; i < 100; i++) + { + assert(*(v.begin() + i) == i); + assert(*(v.end() - i - 1) == 100 - i - 1); + + if (i) + assert(v.begin() != (v.begin() + i) && (v.begin() + i) != v.end()); + } + + auto it = v.begin(); + assert(*it == 0); + vector<Entity> v1; + v1.emplace_back(1); + v1.emplace_back(2); + + assert((++v1.begin())->x == 2); + assert(++(++v1.begin()) == v1.end()); + assert(--v1.end() == ++v1.begin()); + + int j = 99; + for (auto rit = v.rbegin(); rit != v.rend(); ++rit) + { + assert(*rit == j--); + } + + assert((v1.rbegin())->x == 2); + assert((++v1.rbegin())->x == 1); +} + +// Still a test with more complex objects +void run_all() +{ + vector<std::thread> v; + vector<std::function<void()>> tests; + + tests.push_back(constructor_tests); + tests.push_back(tests_default); + tests.push_back(test_resize_reserve); + tests.push_back(push_back_tests); + tests.push_back(push_pop_tests); + tests.push_back(erase_tests); + tests.push_back(erase_test); + tests.push_back(iterator_tests); + + for (const auto& func : tests) + { + v.emplace_back(func); + } + + for (auto& c_thread : v) + { + c_thread.join(); + } +} + +int main() +{ + std::cout << "Start tests...\n"; + run_all(); + std::cout << "No assertions failed!"; +}
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