2014-08-25 07:52:12 +00:00
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2014-12-17 07:02:09 +00:00
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#include "dictionary/utils/byte_array_utils.h"
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2014-08-25 07:52:12 +00:00
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#include <gtest/gtest.h>
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#include <cstdint>
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namespace latinime {
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namespace {
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2014-09-10 02:38:36 +00:00
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TEST(ByteArrayUtilsTest, TestReadCodePointTable) {
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const int codePointTable[] = { 0x6f, 0x6b };
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const uint8_t buffer[] = { 0x20u, 0x21u, 0x00u, 0x01u, 0x00u };
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int pos = 0;
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// Expect the first entry of codePointTable
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EXPECT_EQ(0x6f, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos));
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// Expect the second entry of codePointTable
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EXPECT_EQ(0x6b, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos));
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// Expect the original code point from buffer[2] to buffer[4], 0x100
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// It isn't picked from the codePointTable, since it exceeds the range of the codePointTable.
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EXPECT_EQ(0x100, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos));
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}
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2014-08-25 07:52:12 +00:00
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TEST(ByteArrayUtilsTest, TestReadInt) {
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const uint8_t buffer[] = { 0x1u, 0x8Au, 0x0u, 0xAAu };
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EXPECT_EQ(0x01u, ByteArrayUtils::readUint8(buffer, 0));
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EXPECT_EQ(0x8Au, ByteArrayUtils::readUint8(buffer, 1));
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EXPECT_EQ(0x0u, ByteArrayUtils::readUint8(buffer, 2));
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EXPECT_EQ(0xAAu, ByteArrayUtils::readUint8(buffer, 3));
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EXPECT_EQ(0x018Au, ByteArrayUtils::readUint16(buffer, 0));
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EXPECT_EQ(0x8A00u, ByteArrayUtils::readUint16(buffer, 1));
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EXPECT_EQ(0xAAu, ByteArrayUtils::readUint16(buffer, 2));
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EXPECT_EQ(0x18A00AAu, ByteArrayUtils::readUint32(buffer, 0));
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int pos = 0;
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EXPECT_EQ(0x18A00, ByteArrayUtils::readSint24AndAdvancePosition(buffer, &pos));
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pos = 1;
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EXPECT_EQ(-0xA00AA, ByteArrayUtils::readSint24AndAdvancePosition(buffer, &pos));
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}
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TEST(ByteArrayUtilsTest, TestWriteAndReadInt) {
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uint8_t buffer[4];
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int pos = 0;
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const uint8_t data_1B = 0xC8;
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ByteArrayUtils::writeUintAndAdvancePosition(buffer, data_1B, 1, &pos);
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EXPECT_EQ(data_1B, ByteArrayUtils::readUint(buffer, 1, 0));
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pos = 0;
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const uint32_t data_4B = 0xABCD1234;
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ByteArrayUtils::writeUintAndAdvancePosition(buffer, data_4B, 4, &pos);
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EXPECT_EQ(data_4B, ByteArrayUtils::readUint(buffer, 4, 0));
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}
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TEST(ByteArrayUtilsTest, TestReadCodePoint) {
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const uint8_t buffer[] = { 0x10, 0xFF, 0x00u, 0x20u, 0x41u, 0x1Fu, 0x60 };
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EXPECT_EQ(0x10FF00, ByteArrayUtils::readCodePoint(buffer, 0));
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EXPECT_EQ(0x20, ByteArrayUtils::readCodePoint(buffer, 3));
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EXPECT_EQ(0x41, ByteArrayUtils::readCodePoint(buffer, 4));
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EXPECT_EQ(NOT_A_CODE_POINT, ByteArrayUtils::readCodePoint(buffer, 5));
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int pos = 0;
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int codePointArray[3];
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2014-09-10 02:38:36 +00:00
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EXPECT_EQ(3, ByteArrayUtils::readStringAndAdvancePosition(buffer, MAX_WORD_LENGTH, nullptr,
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2014-08-25 07:52:12 +00:00
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codePointArray, &pos));
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EXPECT_EQ(0x10FF00, codePointArray[0]);
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EXPECT_EQ(0x20, codePointArray[1]);
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EXPECT_EQ(0x41, codePointArray[2]);
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EXPECT_EQ(0x60, ByteArrayUtils::readCodePoint(buffer, pos));
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}
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TEST(ByteArrayUtilsTest, TestWriteAndReadCodePoint) {
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uint8_t buffer[10];
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const int codePointArray[] = { 0x10FF00, 0x20, 0x41 };
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int pos = 0;
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ByteArrayUtils::writeCodePointsAndAdvancePosition(buffer, codePointArray, 3,
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true /* writesTerminator */, &pos);
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EXPECT_EQ(0x10FF00, ByteArrayUtils::readCodePoint(buffer, 0));
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EXPECT_EQ(0x20, ByteArrayUtils::readCodePoint(buffer, 3));
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EXPECT_EQ(0x41, ByteArrayUtils::readCodePoint(buffer, 4));
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EXPECT_EQ(NOT_A_CODE_POINT, ByteArrayUtils::readCodePoint(buffer, 5));
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}
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} // namespace
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} // namespace latinime
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