@Test public void readShouldReturnEmptyStringForNullInputStream() throws Exception { assertThat(StringUtil.read((InputStream)null), is("")); }
@Test public void readShouldReturnEmptyStringForNullReader() throws Exception { assertThat(StringUtil.read((Reader)null), is("")); }
@Test public void readShouldReadInputStreamCorrectlyAndShouldCloseStream() throws Exception { // Read content shorter than buffer size ... String content = "This is the way to grandma's house."; InputStream stream = new ByteArrayInputStream(content.getBytes()); InputStreamWrapper wrapper = new InputStreamWrapper(stream); assertThat(wrapper.isClosed(), is(false)); assertThat(StringUtil.read(wrapper), is(content)); assertThat(wrapper.isClosed(), is(true)); // Read content longer than buffer size ... for (int i = 0; i != 10; ++i) { content += content; // note this doubles each time! } stream = new ByteArrayInputStream(content.getBytes()); wrapper = new InputStreamWrapper(stream); assertThat(wrapper.isClosed(), is(false)); assertThat(StringUtil.read(wrapper), is(content)); assertThat(wrapper.isClosed(), is(true)); }
@Test public void readShouldReadReaderCorrectlyAndShouldCloseStream() throws Exception { // Read content shorter than buffer size ... String content = "This is the way to grandma's house."; Reader reader = new StringReader(content); ReaderWrapper wrapper = new ReaderWrapper(reader); assertThat(wrapper.isClosed(), is(false)); assertThat(StringUtil.read(wrapper), is(content)); assertThat(wrapper.isClosed(), is(true)); // Read content longer than buffer size ... for (int i = 0; i != 10; ++i) { content += content; // note this doubles each time! } reader = new StringReader(content); wrapper = new ReaderWrapper(reader); assertThat(wrapper.isClosed(), is(false)); assertThat(StringUtil.read(wrapper), is(content)); assertThat(wrapper.isClosed(), is(true)); }