1 files changed, 44 insertions, 0 deletions
diff --git a/test/crc_unittest.cpp b/test/crc_unittest.cpp
new file mode 100644
index 0000000..fb69cb4
--- /dev/null
+++ b/test/crc_unittest.cpp
@@ -0,0 +1,44 @@
+#include "crc.hpp"
+
+#include <string>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+TEST(Crc16Test, VerifyCrcValue)
+{
+    // Verify the crc16 is producing the value we expect.
+
+    // Origin: security/crypta/ipmi/portable/ipmi_utils_test.cc
+    struct CrcTestVector
+    {
+        std::string input;
+        uint16_t output;
+    };
+
+    std::string longString =
+        "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+        "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+        "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+        "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+        "AAAAAAAAAAAAAAAA";
+
+    std::vector<CrcTestVector> vectors({{"", 0x1D0F},
+                                        {"A", 0x9479},
+                                        {"123456789", 0xE5CC},
+                                        {longString, 0xE938}});
+
+    Crc16 crc;
+
+    for (const CrcTestVector& testVector : vectors)
+    {
+        crc.clear();
+        auto data = reinterpret_cast<const uint8_t*>(testVector.input.data());
+        crc.compute(data, testVector.input.size());
+        EXPECT_EQ(crc.get(), testVector.output);
+    }
+}
+} // namespace blobs