| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, 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 "base/mmap.h" |
| |
| #include <string.h> |
| |
| #include "base/file_stream.h" |
| #include "base/file_util.h" |
| #include "base/scoped_ptr.h" |
| #include "base/util.h" |
| #include "testing/base/public/gunit.h" |
| |
| DECLARE_string(test_tmpdir); |
| |
| namespace mozc { |
| namespace { |
| |
| TEST(MmapTest, MmapTest) { |
| const string filename = FileUtil::JoinPath(FLAGS_test_tmpdir, "test.db"); |
| |
| const size_t kFileNameSize[] = { 1, 100, 1024, 8192 }; |
| for (int i = 0; i < arraysize(kFileNameSize); ++i) { |
| FileUtil::Unlink(filename); |
| scoped_ptr<char[]> buf(new char[kFileNameSize[i]]); |
| memset(buf.get(), 0, kFileNameSize[i]); |
| |
| { |
| OutputFileStream ofs(filename.c_str(), |
| ios::out | ios::binary); |
| EXPECT_TRUE(ofs.good()); |
| ofs.write(buf.get(), kFileNameSize[i]); |
| } |
| |
| Util::GetRandomSequence(buf.get(), kFileNameSize[i]); |
| |
| // Write Test |
| { |
| Mmap mmap; |
| EXPECT_TRUE(mmap.Open(filename.c_str(), "r+")); |
| memcpy(mmap.begin(), buf.get(), kFileNameSize[i]); |
| |
| for (int j = 0; j < kFileNameSize[i]; ++j) { |
| EXPECT_EQ(buf[j], mmap[j]); |
| } |
| |
| memset(mmap.begin(), 0, kFileNameSize[i]); |
| |
| for (int j = 0; j < kFileNameSize[i]; ++j) { |
| EXPECT_EQ(0, mmap[j]); |
| } |
| |
| for (int j = 0; j < kFileNameSize[i]; ++j) { |
| mmap[j] = buf[j]; |
| } |
| |
| for (int j = 0; j < kFileNameSize[i]; ++j) { |
| EXPECT_EQ(buf[j], mmap[j]); |
| } |
| } |
| |
| // Read test |
| { |
| Mmap mmap; |
| EXPECT_TRUE(mmap.Open(filename.c_str(), "r")); |
| for (int j = 0; j < kFileNameSize[i]; ++j) { |
| EXPECT_EQ(buf[j], mmap[j]); |
| } |
| } |
| |
| FileUtil::Unlink(filename); |
| } |
| } |
| } // namespace |
| } // namespace mozc |