tests: read beyond end of file. (7adcec1c) · Commits · hpc / gekkofs

ifs_test/wr_test.cpp

+28 −1

Original line number	Diff line number	Diff line
		@@ -22,7 +22,7 @@ int main(int argc, char* argv[]) {
		string mountdir = "/tmp/mountdir";
		string p = mountdir + "/file";
		char buffIn[] = "oops.";
		char *buffOut = new char[strlen(buffIn)];
		char *buffOut = new char[strlen(buffIn) + 1 + 20 ];
		int fd;
		int ret;
		struct stat st;
		@@ -94,6 +94,12 @@ int main(int argc, char* argv[]) {
		return -1;
		}

		nr = read(fd, buffOut, 1);
		if(nr != 0){
		cerr << "Error reading at end of file" << endl;
		return -1;
		}

		if(strncmp( buffIn, buffOut, strlen(buffIn)) != 0){
		cerr << "File content mismatch" << endl;
		return -1;
		@@ -105,6 +111,27 @@ int main(int argc, char* argv[]) {
		return -1;
		};

		/* Read beyond end of file */

		fd = open(p.c_str(), O_RDONLY);
		if(fd < 0){
		cerr << "Error opening file (read)" << endl;
		return -1;
		}

		nr = read(fd, buffOut, strlen(buffIn) + 20 );
		if(nr != strlen(buffIn)){
		cerr << "Error reading file" << endl;
		return -1;
		}

		nr = read(fd, buffOut, 1 );
		if(nr != 0){
		cerr << "Error reading at end of file" << endl;
		return -1;
		}

		/* Remove test file */
		ret = remove(p.c_str());
		if(ret != 0){
		cerr << "Error removing file: " << strerror(errno) << endl;