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#include "md5.h"
#include "helper.h"
#include "gtest/gtest.h"
using md5::MD5;
TEST(md5sum, stream) {
const auto test_data = build_test_data(256 * 256);
MD5 md5;
for (size_t size = 1; size <= 256; ++size) {
auto expect = MD5::Hash(test_data.data(), size * 256);
for (size_t times = 0; times < 256; ++times) {
const auto offset = test_data.data() + times * size;
md5.Update(offset, size); // update multiple times
}
EXPECT_EQ(md5.Final().Digest(), expect);
md5.Reset(); // reset for next round
for (size_t times = 0; times < 256; ++times) {
const auto offset = test_data.data() + times * size;
md5.Update(std::string_view {offset, size}); // update multiple times
}
EXPECT_EQ(md5.Final().Digest(), expect);
md5.Reset(); // reset for next round
}
}
TEST(md5sum, overflow) {
const auto test_data = build_test_data(64 * 1024 * 1024); // 64 MiB
MD5 md5;
for (int num = 0; num < 65; ++num) { // 4 GiB + 64 MiB
md5.Update(test_data);
}
md5.Update(test_data.c_str(), 343); // 343 Bytes
EXPECT_EQ(md5.Final().Digest(), "9593e87ff33818d6f8fd563282dfcbce");
}