Sunshine/tests/unit/test_stream.cpp
Cameron Gutman d57c66fa9c
Eliminate a redundant alloc+copy of each frame (#2852)
* Eliminate a redundant alloc+copy for each frame

* Replace std::copy_n() with std::memcpy() for better code generation
2024-07-14 12:23:19 -05:00

41 lines
1.4 KiB
C++

/**
* @file tests/unit/test_stream.cpp
* @brief Test src/stream.*
*/
#include <cstdint>
#include <functional>
#include <string>
#include <vector>
namespace stream {
std::vector<uint8_t>
concat_and_insert(uint64_t insert_size, uint64_t slice_size, const std::string_view &data1, const std::string_view &data2);
}
#include <tests/conftest.cpp>
TEST(ConcatAndInsertTests, ConcatNoInsertionTest) {
char b1[] = { 'a', 'b' };
char b2[] = { 'c', 'd', 'e' };
auto res = stream::concat_and_insert(0, 2, std::string_view { b1, sizeof(b1) }, std::string_view { b2, sizeof(b2) });
auto expected = std::vector<uint8_t> { 'a', 'b', 'c', 'd', 'e' };
ASSERT_EQ(res, expected);
}
TEST(ConcatAndInsertTests, ConcatLargeStrideTest) {
char b1[] = { 'a', 'b' };
char b2[] = { 'c', 'd', 'e' };
auto res = stream::concat_and_insert(1, sizeof(b1) + sizeof(b2) + 1, std::string_view { b1, sizeof(b1) }, std::string_view { b2, sizeof(b2) });
auto expected = std::vector<uint8_t> { 0, 'a', 'b', 'c', 'd', 'e' };
ASSERT_EQ(res, expected);
}
TEST(ConcatAndInsertTests, ConcatSmallStrideTest) {
char b1[] = { 'a', 'b' };
char b2[] = { 'c', 'd', 'e' };
auto res = stream::concat_and_insert(1, 1, std::string_view { b1, sizeof(b1) }, std::string_view { b2, sizeof(b2) });
auto expected = std::vector<uint8_t> { 0, 'a', 0, 'b', 0, 'c', 0, 'd', 0, 'e' };
ASSERT_EQ(res, expected);
}