| // Copyright 2010-2015, 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 |
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| // (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 "storage/louds/bit_stream.h" |
| |
| #include "testing/base/public/gunit.h" |
| |
| namespace { |
| |
| using ::mozc::storage::louds::BitStream; |
| |
| class BitStreamTest : public ::testing::Test { |
| }; |
| |
| TEST_F(BitStreamTest, Pattern1) { |
| BitStream bit_stream; |
| for (int i = 0; i < 128; ++i) { |
| bit_stream.PushBit(0); |
| bit_stream.PushBit(1); |
| EXPECT_EQ(2 * (i + 1), bit_stream.num_bits()); |
| EXPECT_EQ(i / 4 + 1, bit_stream.ByteSize()); |
| } |
| |
| EXPECT_EQ(string(32, '\xAA'), bit_stream.image()); |
| } |
| |
| TEST_F(BitStreamTest, Pattern2) { |
| BitStream bit_stream; |
| for (int i = 0; i < 128; ++i) { |
| bit_stream.PushBit(0); |
| bit_stream.PushBit(0); |
| bit_stream.PushBit(1); |
| bit_stream.PushBit(1); |
| EXPECT_EQ(4 * (i + 1), bit_stream.num_bits()); |
| EXPECT_EQ(i / 2 + 1, bit_stream.ByteSize()); |
| } |
| |
| EXPECT_EQ(string(64, '\xCC'), bit_stream.image()); |
| } |
| |
| TEST_F(BitStreamTest, FillPadding32) { |
| BitStream bit_stream; |
| |
| bit_stream.FillPadding32(); |
| EXPECT_EQ("", bit_stream.image()); |
| |
| bit_stream.PushBit(1); |
| bit_stream.FillPadding32(); |
| EXPECT_EQ(string("\x01\x00\x00\x00", 4), bit_stream.image()); |
| } |
| |
| } // namespace |