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/*
* Copyright (C) 2016 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 "file_reader.h"
#include <gtest/gtest.h>
using profiler::FileReader;
const std::string kTestLine("Twinkle Twinkle Little star !");
TEST(FindToken, TokenIsFirst) {
size_t token_start = 0;
bool is_found = FileReader::FindTokenPosition(kTestLine, 0, &token_start);
EXPECT_TRUE(is_found);
EXPECT_EQ(0, token_start);
}
TEST(FindToken, TokenIsLast) {
size_t token_start = 0;
bool is_found = FileReader::FindTokenPosition(kTestLine, 4, &token_start);
EXPECT_TRUE(is_found);
EXPECT_EQ(28, token_start);
}
TEST(FindToken, TokenIsMiddle) {
size_t token_start = 0;
bool is_found = FileReader::FindTokenPosition(kTestLine, 2, &token_start);
EXPECT_TRUE(is_found);
EXPECT_EQ(16, token_start);
}
TEST(FindToken, TokenValueIsDuplicate) {
size_t token_start = 0;
bool is_found = FileReader::FindTokenPosition(kTestLine, 1, &token_start);
EXPECT_TRUE(is_found);
EXPECT_EQ(8, token_start);
}
TEST(FindToken, TokenIndexTooLarge) {
size_t token_start = 7;
bool is_found = FileReader::FindTokenPosition(kTestLine, 6, &token_start);
EXPECT_FALSE(is_found);
}
TEST(FindToken, LineEmptyAndStartPositionIsPositive) {
size_t token_start = 1;
std::string empty_line = "";
bool is_found = FileReader::FindTokenPosition(empty_line, 0, &token_start);
EXPECT_FALSE(is_found);
}
TEST(CompareToken, TokenMatches) {
std::string token("Little");
bool matches = FileReader::CompareToken(kTestLine, token, 2);
EXPECT_TRUE(matches);
}
TEST(CompareToken, TokenIndexTooLarge) {
std::string token("Little");
bool matches = FileReader::CompareToken(kTestLine, token, 4);
EXPECT_FALSE(matches);
}
TEST(CompareToken, TokenNotMatch) {
std::string token("Large");
bool matches = FileReader::CompareToken(kTestLine, token, 2);
EXPECT_FALSE(matches);
}
TEST(Read, FileSizeIsSmallerThanPageSize) {
std::string content;
FileReader::Read("file_reader_small.txt", &content);
EXPECT_EQ(37, content.size());
}
TEST(Read, ReadFileSizeLargerThanBufferSize) {
std::string content;
FileReader::Read("file_reader_large.txt", &content);
EXPECT_EQ(5264, content.size());
}
TEST(Read, ReadFileAbsent) {
std::string content;
EXPECT_FALSE(FileReader::Read("file_reader_absent.txt", &content));
}
TEST(ReadToLines, MultipleLineBreakChars) {
std::vector<std::string> lines;
FileReader::Read("file_reader_multiple_lines.txt", &lines);
EXPECT_EQ(2, lines.size());
EXPECT_EQ("It contains two lines.", lines.at(0));
EXPECT_EQ("This is the second line.", lines.at(1));
}
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