public void testWriteAndReadFileData() {
try {
FileAccessor fe = null;
fe = FileSystem.open("file:///test0.txt");
fe.create();
assertEquals("before write : size = 0", 0L, fe.fileSize());
OutputStream os = fe.openOutputStream();
byte[] data = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04};
for (int i = 0; i < 195; ++i) {
os.write(data);
}
assertEquals("before flush : size = 0", 0L, fe.fileSize());
os.flush();
assertEquals("after flush : size = 5 * 195", 5L * 195, fe.fileSize());
os.close();
fe.close();
fe = FileSystem.open("file:///test0.txt");
InputStream is = fe.openInputStream();
for (int i = 0; i < 195; ++i) {
byte[] buf = new byte[5];
is.read(buf);
assertSame("series[" + i + "]", data, buf);
}
assertTrue("eof", is.read() == -1);
is.close();
fe.close();
} catch (Exception e) {
fail(e.toString());
}
}
public void testRename() {
try {
FileAccessor fe = null;
fe = FileSystem.open("file:///test0.txt");
fe.create();
assertEquals("before write : size = 0", 0L, fe.fileSize());
OutputStream os = fe.openOutputStream();
byte[] data = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04};
os.write(data);
try {
fe.rename("rename0.jpg");
fail("unable to rename while writing");
} catch (IOException e) {
}
os.close();
fe.rename("rename0.jpg");
assertEquals("after rename : name = rename0.jpg", "rename0.jpg", fe.getName());
fe.close();
fe = FileSystem.open("file:///test0.txt");
assertTrue("test0.txt not exists", !fe.exsists());
fe.close();
fe = FileSystem.open("file:///rename0.jpg");
assertTrue("ename0.jpg exists", fe.exsists());
InputStream is = fe.openInputStream();
byte[] buf = new byte[5];
is.read(buf);
assertSame("read data", data, buf);
assertTrue("eof", is.read() == -1);
is.close();
fe.close();
} catch (Exception e) {
fail(e.toString());
}
}
public void testCreateAndDeleteFile() {
try {
FileAccessor fe = null;
fe = FileSystem.open("file:///test0.txt");
assertTrue("before create : file not exists", !fe.exsists());
fe.create();
assertTrue("after create : file exists", fe.exsists());
assertEquals("size = 0", 0L, fe.fileSize());
fe.close();
fe = FileSystem.open("file:///test0.txt");
assertTrue("reopen : file exists", fe.exsists());
assertEquals("size = 0", 0L, fe.fileSize());
fe.delete();
assertTrue("after delete : file not exists", !fe.exsists());
fe.close();
fe = FileSystem.open("file:///test0.txt");
assertTrue("rereopen : not exists", !fe.exsists());
fe.close();
} catch (Exception e) {
fail(e.toString());
}
}