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Commit d4c9d50e authored by Keisuke Kuroyanagi's avatar Keisuke Kuroyanagi
Browse files

Add BufferWithExtendablebufferTest 

Bug: 13754552
Change-Id: Ib9c330dc85bdb5d4d3d5bc15cc3ce5f28faa0b12
parent ff6ca099

native/jni/NativeFileList.mk

+1 −0
Original line number Diff line number Diff line
@@ -124,4 +124,5 @@ LATIN_IME_CORE_TEST_FILES := \ 
    defines_test.cpp \

    suggest/core/layout/normal_distribution_2d_test.cpp \

    suggest/core/dictionary/bloom_filter_test.cpp \

    suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer_test.cpp \

    utils/autocorrection_threshold_utils_test.cpp

native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.cpp

+3 −2
Original line number Diff line number Diff line
@@ -102,8 +102,9 @@ bool BufferWithExtendableBuffer::writeCodePointsAndAdvancePosition(const int *co 


bool BufferWithExtendableBuffer::extendBuffer(const size_t size) {

    const size_t extendSize = std::max(EXTEND_ADDITIONAL_BUFFER_SIZE_STEP, size);

    const size_t sizeAfterExtending = mAdditionalBuffer.size() + extendSize;

    if (sizeAfterExtending > mMaxAdditionalBufferSize) {

    const size_t sizeAfterExtending =

            std::min(mAdditionalBuffer.size() + extendSize, mMaxAdditionalBufferSize);

    if (sizeAfterExtending < mAdditionalBuffer.size() + size) {

        return false;

    }

    mAdditionalBuffer.resize(sizeAfterExtending);

native/jni/tests/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer_test.cpp

0 → 100644
+94 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2014 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#include "suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h"



#include <gtest/gtest.h>



namespace latinime {

namespace {



const int DEFAULT_MAX_BUFFER_SIZE = 1024;



TEST(BufferWithExtendablebufferTest, TestWriteAndRead) {

    BufferWithExtendableBuffer buffer(DEFAULT_MAX_BUFFER_SIZE);

    int pos = 0;

    // 1 byte

    const uint32_t data_1 = 0xFF;

    EXPECT_TRUE(buffer.writeUint(data_1, 1 /* size */, pos));

    EXPECT_EQ(data_1, buffer.readUint(1, pos));

    pos += 1;

    // 2 byte

    const uint32_t data_2 = 0xFFFF;

    EXPECT_TRUE(buffer.writeUint(data_2, 2 /* size */, pos));

    EXPECT_EQ(data_2, buffer.readUint(2, pos));

    pos += 2;

    // 3 byte

    const uint32_t data_3 = 0xFFFFFF;

    EXPECT_TRUE(buffer.writeUint(data_3, 3 /* size */, pos));

    EXPECT_EQ(data_3, buffer.readUint(3, pos));

    pos += 3;

    // 4 byte

    const uint32_t data_4 = 0xFFFFFFFF;

    EXPECT_TRUE(buffer.writeUint(data_4, 4 /* size */, pos));

    EXPECT_EQ(data_4, buffer.readUint(4, pos));

}



TEST(BufferWithExtendablebufferTest, TestExtend) {

    BufferWithExtendableBuffer buffer(DEFAULT_MAX_BUFFER_SIZE);

    EXPECT_EQ(0, buffer.getTailPosition());

    EXPECT_TRUE(buffer.writeUint(0xFF /* data */, 4 /* size */, 0 /* pos */));

    EXPECT_EQ(4, buffer.getTailPosition());

    EXPECT_TRUE(buffer.extend(8 /* size */));

    EXPECT_EQ(12, buffer.getTailPosition());

    EXPECT_TRUE(buffer.writeUint(0xFFFF /* data */, 4 /* size */, 8 /* pos */));

    EXPECT_TRUE(buffer.writeUint(0xFF /* data */, 4 /* size */, 0 /* pos */));

}



TEST(BufferWithExtendablebufferTest, TestCopy) {

    BufferWithExtendableBuffer buffer(DEFAULT_MAX_BUFFER_SIZE);

    EXPECT_TRUE(buffer.writeUint(0xFF /* data */, 4 /* size */, 0 /* pos */));

    EXPECT_TRUE(buffer.writeUint(0xFFFF /* data */, 4 /* size */, 4 /* pos */));

    BufferWithExtendableBuffer targetBuffer(DEFAULT_MAX_BUFFER_SIZE);

    EXPECT_TRUE(targetBuffer.copy(&buffer));

    EXPECT_EQ(0xFFu, targetBuffer.readUint(4 /* size */, 0 /* pos */));

    EXPECT_EQ(0xFFFFu, targetBuffer.readUint(4 /* size */, 4 /* pos */));

}



TEST(BufferWithExtendablebufferTest, TestSizeLimit) {

    BufferWithExtendableBuffer emptyBuffer(0 /* maxAdditionalBufferSize */);

    EXPECT_FALSE(emptyBuffer.writeUint(0 /* data */, 1 /* size */, 0 /* pos */));

    EXPECT_FALSE(emptyBuffer.extend(1 /* size */));



    BufferWithExtendableBuffer smallBuffer(4 /* maxAdditionalBufferSize */);

    EXPECT_TRUE(smallBuffer.writeUint(0 /* data */, 4 /* size */, 0 /* pos */));

    EXPECT_FALSE(smallBuffer.writeUint(0 /* data */, 1 /* size */, 4 /* pos */));



    EXPECT_TRUE(smallBuffer.copy(&emptyBuffer));

    EXPECT_FALSE(emptyBuffer.copy(&smallBuffer));



    BufferWithExtendableBuffer buffer(DEFAULT_MAX_BUFFER_SIZE);

    EXPECT_FALSE(buffer.isNearSizeLimit());

    int pos = 0;

    while (!buffer.isNearSizeLimit()) {

        EXPECT_TRUE(buffer.writeUintAndAdvancePosition(0 /* data */, 4 /* size */, &pos));

    }

    EXPECT_GT(pos, 0);

    EXPECT_LE(pos, DEFAULT_MAX_BUFFER_SIZE);

}



}  // namespace

}  // namespace latinime