TEST(LineReader, MultiLineFile) {
SystemMock sys;
static const char kFile[] =
"This is a multi\n"
"line text file that to test the crazy::LineReader class implementation\n"
"And this is a very long text line to check that the class properly "
"handles them, through the help of dynamic allocation or something. "
"Yadda yadda yadda yadda. No newline";
static const size_t kFileSize = sizeof(kFile) - 1;
sys.AddRegularFile(kFilePath, kFile, kFileSize);
LineReader reader(kFilePath);
EXPECT_TRUE(reader.GetNextLine());
EXPECT_MEMEQ("This is a multi\n", 16, reader.line(), reader.length());
EXPECT_TRUE(reader.GetNextLine());
EXPECT_MEMEQ(
"line text file that to test the crazy::LineReader class "
"implementation\n",
88 - 17,
reader.line(),
reader.length());
EXPECT_TRUE(reader.GetNextLine());
EXPECT_MEMEQ(
"And this is a very long text line to check that the class properly "
"handles them, through the help of dynamic allocation or something. "
"Yadda yadda yadda yadda. No newline\n",
187 - 17,
reader.line(),
reader.length());
EXPECT_FALSE(reader.GetNextLine());
}
TEST(LineReader, EmptyFile) {
SystemMock sys;
sys.AddRegularFile(kFilePath, "", 0);
LineReader reader(kFilePath);
EXPECT_FALSE(reader.GetNextLine());
}
TEST(LineReader, SingleLineFile) {
SystemMock sys;
static const char kFile[] = "foo bar\n";
static const size_t kFileSize = sizeof(kFile) - 1;
sys.AddRegularFile(kFilePath, kFile, kFileSize);
LineReader reader(kFilePath);
EXPECT_TRUE(reader.GetNextLine());
EXPECT_EQ(kFileSize, reader.length());
EXPECT_MEMEQ(kFile, kFileSize, reader.line(), reader.length());
EXPECT_FALSE(reader.GetNextLine());
}
TEST(LineReader, SingleLineFileUnterminated) {
SystemMock sys;
static const char kFile[] = "foo bar";
static const size_t kFileSize = sizeof(kFile) - 1;
sys.AddRegularFile(kFilePath, kFile, kFileSize);
LineReader reader(kFilePath);
EXPECT_TRUE(reader.GetNextLine());
// The LineReader will add a newline to the last line.
EXPECT_EQ(kFileSize + 1, reader.length());
EXPECT_MEMEQ(kFile, kFileSize, reader.line(), reader.length() - 1);
EXPECT_EQ('\n', reader.line()[reader.length() - 1]);
EXPECT_FALSE(reader.GetNextLine());
}
TEST(System, SingleFile) {
static const char kPath[] = "/tmp/foo/bar";
static const char kString[] = "Hello World";
const size_t kStringLen = sizeof(kString) - 1;
SystemMock sys;
sys.AddRegularFile(kPath, kString, kStringLen);
char buff2[kStringLen + 10];
FileDescriptor fd(kPath);
EXPECT_EQ(kStringLen, fd.Read(buff2, sizeof(buff2)));
buff2[kStringLen] = '\0';
EXPECT_STREQ(kString, buff2);
}
TEST(System, PathExists) {
SystemMock sys;
sys.AddRegularFile("/tmp/foo", "FOO", 3);
EXPECT_TRUE(PathExists("/tmp/foo"));
}
