unit_tests: add more sha256sum test cases

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/unit_tests/sha256.cpp b/tests/unit_tests/sha256.cpp
index 486f31c5b..7a96a783b 100644
--- a/tests/unit_tests/sha256.cpp
+++ b/tests/unit_tests/sha256.cpp
@@ -26,10 +26,13 @@
 // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+#include <boost/filesystem.hpp>
+
 #include "gtest/gtest.h"
 
 #include "common/util.h"
 #include "string_tools.h"
+#include "unit_tests_utils.h"
 
 static bool check(const std::string &data, const char *expected_hash_hex)
 {
@@ -39,7 +42,26 @@ static bool check(const std::string &data, const char *expected_hash_hex)
   return tools::sha256sum((const uint8_t*)data.data(), data.size(), hash) && hash == expected_hash;
 }
 
+static std::string file_to_hex_hash(const std::string& filename)
+ {
+   const boost::filesystem::path full_path = unit_test::data_dir / "sha256sum" / filename;
+
+   crypto::hash hash;
+   if (!tools::sha256sum(full_path.string(), hash)) {
+     throw std::runtime_error("sha256sum failed");
+   }
+
+   const std::string data_cstr(hash.data, sizeof(hash.data));
+   const std::string hex_hash = epee::string_tools::buff_to_hex_nodelimer(data_cstr);
+
+   return hex_hash;
+ }
+
 TEST(sha256, empty) { ASSERT_TRUE(check(std::string(), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855")); }
 TEST(sha256, small) { ASSERT_TRUE(check("0123456789", "84d89877f0d4041efb6bf91a16f0248f2fd573e6af05c19f96bedb9f882f7882")); }
 TEST(sha256, large) { ASSERT_TRUE(check(std::string(65536*256, 0), "080acf35a507ac9849cfcba47dc2ad83e01b75663a516279c8b9d243b719643e")); }
 
+TEST(sha256, emptyfile) { EXPECT_EQ(file_to_hex_hash("empty.txt"), "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"); }
+TEST(sha256, smallfile) { EXPECT_EQ(file_to_hex_hash("small_file.txt"), "91c60f6d9ad0235306115913febccb93a5014bf4cea1ecd1fa33f3cf07ad9e8d"); }
+TEST(sha256, largefile) { EXPECT_EQ(file_to_hex_hash("CLSAG.pdf"), "c38699c9a235a70285165ff8cce0bf3e48989de8092c15514116ca4c95d41e3f"); }
+TEST(sha256, noexist) { crypto::hash hash; EXPECT_FALSE(tools::sha256sum("this_file_does_not_exist.exe", hash)); }