@Test
public void testCopyFromString() throws IOException {
String content = "content";
StringWriter out = new StringWriter();
copy(content, out);
assertThat(out.toString(), equalTo(content));
}
@Test
public void testCopyFromReader() throws IOException {
String content = "content";
StringReader in = new StringReader(content);
StringWriter out = new StringWriter();
int count = copy(in, out);
assertThat(content.length(), equalTo(count));
assertThat(out.toString(), equalTo(content));
}