Check-in rlz code to src\rlz from http://code.google.com/p/rlz/.

rlz/lib/crc32_unittest.cc

Index: rlz/lib/crc32_unittest.cc
===================================================================
--- rlz/lib/crc32_unittest.cc	(revision 0)
+++ rlz/lib/crc32_unittest.cc	(revision 0)
@@ -0,0 +1,52 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// A test for ZLib's checksum function.
+
+#include "rlz/lib/crc32.h"
+
+#include "base/logging.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(Crc32Unittest, ByteTest) {
+  struct {
+    const char* data;
+    int len;
+    // Externally calculated at http://crc32-checksum.waraxe.us/
+    int crc;
+  } kData[] = {
+    {"Hello"           ,  5, 0xF7D18982},
+    {"Google"          ,  6, 0x62B0F067},
+    {""                ,  0, 0x0},
+    {"One more string.", 16, 0x0CA14970},
+    {NULL              ,  0, 0x0},
+  };
+
+  for (int i = 0; kData[i].data; i++)
+    EXPECT_EQ(kData[i].crc,
+        rlz_lib::Crc32(reinterpret_cast<const unsigned char*>(kData[i].data),
+                       kData[i].len));
+}
+
+TEST(Crc32Unittest, CharTest) {
+  struct {
+    const char* data;
+    // Externally calculated at http://crc32-checksum.waraxe.us/
+    int crc;
+  } kData[] = {
+    {"Hello"           , 0xF7D18982},
+    {"Google"          , 0x62B0F067},
+    {""                , 0x0},
+    {"One more string.", 0x0CA14970},
+    {"Google\r\n"      , 0x83A3E860},
+    {NULL              , 0x0},
+  };
+
+  int crc;
+  for (int i = 0; kData[i].data; i++) {
+    EXPECT_TRUE(rlz_lib::Crc32(kData[i].data, &crc));
+    EXPECT_EQ(kData[i].crc, crc);
+  }
+}