| /* |
| * 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 "dictionary/utils/byte_array_utils.h" |
| |
| #include <gtest/gtest.h> |
| |
| #include <cstdint> |
| |
| namespace latinime { |
| namespace { |
| |
| TEST(ByteArrayUtilsTest, TestReadCodePointTable) { |
| const int codePointTable[] = { 0x6f, 0x6b }; |
| const uint8_t buffer[] = { 0x20u, 0x21u, 0x00u, 0x01u, 0x00u }; |
| int pos = 0; |
| // Expect the first entry of codePointTable |
| EXPECT_EQ(0x6f, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos)); |
| // Expect the second entry of codePointTable |
| EXPECT_EQ(0x6b, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos)); |
| // Expect the original code point from buffer[2] to buffer[4], 0x100 |
| // It isn't picked from the codePointTable, since it exceeds the range of the codePointTable. |
| EXPECT_EQ(0x100, ByteArrayUtils::readCodePointAndAdvancePosition(buffer, codePointTable, &pos)); |
| } |
| |
| TEST(ByteArrayUtilsTest, TestReadInt) { |
| const uint8_t buffer[] = { 0x1u, 0x8Au, 0x0u, 0xAAu }; |
| |
| EXPECT_EQ(0x01u, ByteArrayUtils::readUint8(buffer, 0)); |
| EXPECT_EQ(0x8Au, ByteArrayUtils::readUint8(buffer, 1)); |
| EXPECT_EQ(0x0u, ByteArrayUtils::readUint8(buffer, 2)); |
| EXPECT_EQ(0xAAu, ByteArrayUtils::readUint8(buffer, 3)); |
| |
| EXPECT_EQ(0x018Au, ByteArrayUtils::readUint16(buffer, 0)); |
| EXPECT_EQ(0x8A00u, ByteArrayUtils::readUint16(buffer, 1)); |
| EXPECT_EQ(0xAAu, ByteArrayUtils::readUint16(buffer, 2)); |
| |
| EXPECT_EQ(0x18A00AAu, ByteArrayUtils::readUint32(buffer, 0)); |
| |
| int pos = 0; |
| EXPECT_EQ(0x18A00, ByteArrayUtils::readSint24AndAdvancePosition(buffer, &pos)); |
| pos = 1; |
| EXPECT_EQ(-0xA00AA, ByteArrayUtils::readSint24AndAdvancePosition(buffer, &pos)); |
| } |
| |
| TEST(ByteArrayUtilsTest, TestWriteAndReadInt) { |
| uint8_t buffer[4]; |
| |
| int pos = 0; |
| const uint8_t data_1B = 0xC8; |
| ByteArrayUtils::writeUintAndAdvancePosition(buffer, data_1B, 1, &pos); |
| EXPECT_EQ(data_1B, ByteArrayUtils::readUint(buffer, 1, 0)); |
| |
| pos = 0; |
| const uint32_t data_4B = 0xABCD1234; |
| ByteArrayUtils::writeUintAndAdvancePosition(buffer, data_4B, 4, &pos); |
| EXPECT_EQ(data_4B, ByteArrayUtils::readUint(buffer, 4, 0)); |
| } |
| |
| TEST(ByteArrayUtilsTest, TestReadCodePoint) { |
| const uint8_t buffer[] = { 0x10, 0xFF, 0x00u, 0x20u, 0x41u, 0x1Fu, 0x60 }; |
| |
| EXPECT_EQ(0x10FF00, ByteArrayUtils::readCodePoint(buffer, 0)); |
| EXPECT_EQ(0x20, ByteArrayUtils::readCodePoint(buffer, 3)); |
| EXPECT_EQ(0x41, ByteArrayUtils::readCodePoint(buffer, 4)); |
| EXPECT_EQ(NOT_A_CODE_POINT, ByteArrayUtils::readCodePoint(buffer, 5)); |
| |
| int pos = 0; |
| int codePointArray[3]; |
| EXPECT_EQ(3, ByteArrayUtils::readStringAndAdvancePosition(buffer, MAX_WORD_LENGTH, nullptr, |
| codePointArray, &pos)); |
| EXPECT_EQ(0x10FF00, codePointArray[0]); |
| EXPECT_EQ(0x20, codePointArray[1]); |
| EXPECT_EQ(0x41, codePointArray[2]); |
| EXPECT_EQ(0x60, ByteArrayUtils::readCodePoint(buffer, pos)); |
| } |
| |
| TEST(ByteArrayUtilsTest, TestWriteAndReadCodePoint) { |
| uint8_t buffer[10]; |
| |
| const int codePointArray[] = { 0x10FF00, 0x20, 0x41 }; |
| int pos = 0; |
| ByteArrayUtils::writeCodePointsAndAdvancePosition(buffer, codePointArray, 3, |
| true /* writesTerminator */, &pos); |
| EXPECT_EQ(0x10FF00, ByteArrayUtils::readCodePoint(buffer, 0)); |
| EXPECT_EQ(0x20, ByteArrayUtils::readCodePoint(buffer, 3)); |
| EXPECT_EQ(0x41, ByteArrayUtils::readCodePoint(buffer, 4)); |
| EXPECT_EQ(NOT_A_CODE_POINT, ByteArrayUtils::readCodePoint(buffer, 5)); |
| } |
| |
| } // namespace |
| } // namespace latinime |