public void testRead() throws IOException {
UnsyncStringReader unsyncStringReader = new UnsyncStringReader("abc");
assertEquals('a', unsyncStringReader.read());
assertEquals('b', unsyncStringReader.read());
assertEquals('c', unsyncStringReader.read());
assertEquals(-1, unsyncStringReader.read());
}
public void testSkip() throws IOException {
UnsyncStringReader unsyncStringReader = new UnsyncStringReader("abcdef");
assertEquals('a', unsyncStringReader.read());
assertEquals(2, unsyncStringReader.skip(2));
assertEquals('d', unsyncStringReader.read());
assertEquals(2, unsyncStringReader.skip(3));
assertEquals(-1, unsyncStringReader.read());
}
public void testBlockRead() throws IOException {
UnsyncStringReader unsyncStringReader = new UnsyncStringReader("abcdefg");
char[] chars = new char[4];
assertEquals(4, unsyncStringReader.read(chars));
assertEquals(4, unsyncStringReader.index);
assertTrue(Arrays.equals("abcd".toCharArray(), chars));
assertEquals(3, unsyncStringReader.read(chars));
assertEquals('e', chars[0]);
assertEquals('f', chars[1]);
assertEquals('g', chars[2]);
assertEquals(-1, unsyncStringReader.read(chars));
}
public void testMarkAndReset() throws IOException {
UnsyncStringReader unsyncStringReader = new UnsyncStringReader("abc");
assertEquals('a', unsyncStringReader.read());
unsyncStringReader.mark(-1);
assertEquals('b', unsyncStringReader.read());
assertEquals('c', unsyncStringReader.read());
assertEquals(-1, unsyncStringReader.read());
unsyncStringReader.reset();
assertEquals('b', unsyncStringReader.read());
assertEquals('c', unsyncStringReader.read());
assertEquals(-1, unsyncStringReader.read());
}
public void testClose() {
UnsyncStringReader unsyncStringReader = new UnsyncStringReader("abcdefg");
unsyncStringReader.close();
assertTrue(unsyncStringReader.string == null);
try {
unsyncStringReader.mark(0);
fail();
} catch (IOException ioe) {
}
try {
unsyncStringReader.read();
fail();
} catch (IOException ioe) {
}
try {
unsyncStringReader.read(new char[5]);
fail();
} catch (IOException ioe) {
}
try {
unsyncStringReader.ready();
fail();
} catch (IOException ioe) {
}
try {
unsyncStringReader.reset();
fail();
} catch (IOException ioe) {
}
unsyncStringReader.close();
}