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-rw-r--r--src/leveldb/util/hash_test.cc54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/leveldb/util/hash_test.cc b/src/leveldb/util/hash_test.cc
new file mode 100644
index 0000000000..eaa1c92c23
--- /dev/null
+++ b/src/leveldb/util/hash_test.cc
@@ -0,0 +1,54 @@
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#include "util/hash.h"
+#include "util/testharness.h"
+
+namespace leveldb {
+
+class HASH { };
+
+TEST(HASH, SignedUnsignedIssue) {
+ const unsigned char data1[1] = {0x62};
+ const unsigned char data2[2] = {0xc3, 0x97};
+ const unsigned char data3[3] = {0xe2, 0x99, 0xa5};
+ const unsigned char data4[4] = {0xe1, 0x80, 0xb9, 0x32};
+ const unsigned char data5[48] = {
+ 0x01, 0xc0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x14, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00,
+ 0x00, 0x00, 0x00, 0x14,
+ 0x00, 0x00, 0x00, 0x18,
+ 0x28, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ };
+
+ ASSERT_EQ(Hash(0, 0, 0xbc9f1d34), 0xbc9f1d34);
+ ASSERT_EQ(
+ Hash(reinterpret_cast<const char*>(data1), sizeof(data1), 0xbc9f1d34),
+ 0xef1345c4);
+ ASSERT_EQ(
+ Hash(reinterpret_cast<const char*>(data2), sizeof(data2), 0xbc9f1d34),
+ 0x5b663814);
+ ASSERT_EQ(
+ Hash(reinterpret_cast<const char*>(data3), sizeof(data3), 0xbc9f1d34),
+ 0x323c078f);
+ ASSERT_EQ(
+ Hash(reinterpret_cast<const char*>(data4), sizeof(data4), 0xbc9f1d34),
+ 0xed21633a);
+ ASSERT_EQ(
+ Hash(reinterpret_cast<const char*>(data5), sizeof(data5), 0x12345678),
+ 0xf333dabb);
+}
+
+} // namespace leveldb
+
+int main(int argc, char** argv) {
+ return leveldb::test::RunAllTests();
+}