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add util::Buffer, rle::encode16, rle::decode16

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This commit is contained in:
MihailRis
2024-09-03 23:33:29 +03:00
parent 728795f0f3
commit c15abfa715
7 changed files with 144 additions and 31 deletions
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test/coders/rle.cpp
+18 -25
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@@ -3,46 +3,39 @@
#include "typedefs.hpp"
#include "coders/rle.hpp"
TEST(RLE, EncodeDecode) {
const int initial_size = 50'000;
static void test_encode_decode(
size_t(*encodefunc)(const ubyte*, size_t, ubyte*),
size_t(*decodefunc)(const ubyte*, size_t, ubyte*)
) {
const size_t initial_size = 50'000;
uint8_t initial[initial_size];
uint8_t next = rand();
for (int i = 0; i < initial_size; i++) {
for (size_t i = 0; i < initial_size; i++) {
initial[i] = next;
if (rand() % 13 == 0) {
next = rand();
}
}
uint8_t encoded[initial_size * 2];
auto encoded_size = rle::encode(initial, initial_size, encoded);
size_t encoded_size = encodefunc(initial, initial_size, encoded);
uint8_t decoded[initial_size * 2];
auto decoded_size = rle::decode(encoded, encoded_size, decoded);
size_t decoded_size = decodefunc(encoded, encoded_size, decoded);
EXPECT_EQ(decoded_size, initial_size);
for (int i = 0; i < decoded_size; i++) {
for (size_t i = 0; i < decoded_size; i++) {
EXPECT_EQ(decoded[i], initial[i]);
}
}
TEST(RLE, EncodeDecode) {
test_encode_decode(rle::encode, rle::decode);
}
TEST(RLE16, EncodeDecode) {
test_encode_decode(rle::encode16, rle::decode16);
}
TEST(ExtRLE, EncodeDecode) {
const int initial_size = 50'000;
uint8_t initial[initial_size];
uint8_t next = rand();
for (int i = 0; i < initial_size; i++) {
initial[i] = next;
if (rand() % 13 == 0) {
next = rand();
}
}
uint8_t encoded[initial_size * 2];
auto encoded_size = extrle::encode(initial, initial_size, encoded);
uint8_t decoded[initial_size * 2];
auto decoded_size = extrle::decode(encoded, encoded_size, decoded);
EXPECT_EQ(decoded_size, initial_size);
for (int i = 0; i < decoded_size; i++) {
EXPECT_EQ(decoded[i], initial[i]);
}
test_encode_decode(extrle::encode, extrle::decode);
}