@Test
public void testRead() throws Exception {
String[] s = IoUtil.readLines(new StringReader("abc \n\n xyz "), true);
assertArrayEquals2(new String[] {"abc", "xyz"}, s);
ByteArrayInputStream in = new ByteArrayInputStream("abc".getBytes());
assertEquals(3, IoUtil.read(in, new byte[4], 0, 4));
}
@Test
public void testClosed() throws Exception {
IoUtil.close(null);
IOException e = new IOException();
Closeable c = mock(Closeable.class);
doThrow(e).when(c).close();
assertSame(e, IoUtil.close(c));
}
@Test
public void testCopy() throws Exception {
File file1 = createTempFile("txt", "UTF-8", "abc");
File file2 = File.createTempFile("test", "txt");
try {
IoUtil.copyFile(file1, file2);
assertEquals("abc", read(file2));
} finally {
file1.delete();
file2.delete();
}
}
@Test
public void testExtension() throws Exception {
File f = new File("test.css");
assertEquals("test", IoUtil.cutExtension(f));
assertNull(null, IoUtil.getExtension("test"));
assertNull(IoUtil.normExtension(""));
assertNull(IoUtil.normExtension(null));
assertEquals("css", IoUtil.normExtension(".css"));
assertEquals("css", IoUtil.normExtension("css"));
}