| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.io; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.commons.io.output.ByteArrayOutputStream; |
| import org.apache.commons.io.test.TestUtils; |
| import org.apache.commons.io.test.ThrowOnFlushAndCloseOutputStream; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * JUnit tests for IOUtils write methods. |
| * |
| * @see IOUtils |
| */ |
| @SuppressWarnings("deprecation") // includes tests for deprecated methods |
| public class IOUtilsWriteTestCase { |
| |
| private static final int FILE_SIZE = 1024 * 4 + 1; |
| |
| private final byte[] inData = TestUtils.generateTestData(FILE_SIZE); |
| |
| // ---------------------------------------------------------------- |
| // Tests |
| // ---------------------------------------------------------------- |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_byteArrayToOutputStream() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(inData, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToOutputStream_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((byte[]) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToOutputStream_nullStream() throws Exception { |
| try { |
| IOUtils.write(inData, (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_byteArrayToWriter() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(inData, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToWriter_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write((byte[]) null, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToWriter_nullWriter() throws Exception { |
| try { |
| IOUtils.write(inData, (Writer) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_byteArrayToWriter_Encoding() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(inData, writer, "UTF8"); |
| out.off(); |
| writer.flush(); |
| |
| byte[] bytes = baout.toByteArray(); |
| bytes = new String(bytes, StandardCharsets.UTF_8).getBytes(StandardCharsets.US_ASCII); |
| assertTrue(Arrays.equals(inData, bytes), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToWriter_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(null, writer, "UTF8"); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_byteArrayToWriter_Encoding_nullWriter() throws Exception { |
| try { |
| IOUtils.write(inData, null, "UTF8"); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| @Test |
| public void testWrite_byteArrayToWriter_Encoding_nullEncoding() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(inData, writer, (String) null); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charSequenceToOutputStream() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(csq, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToOutputStream_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((CharSequence) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToOutputStream_nullStream() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| try { |
| IOUtils.write(csq, (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charSequenceToOutputStream_Encoding() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(csq, out, "UTF16"); |
| out.off(); |
| out.flush(); |
| |
| byte[] bytes = baout.toByteArray(); |
| bytes = new String(bytes, StandardCharsets.UTF_16).getBytes(StandardCharsets.US_ASCII); |
| assertTrue(Arrays.equals(inData, bytes), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToOutputStream_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((CharSequence) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToOutputStream_Encoding_nullStream() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| try { |
| IOUtils.write(csq, (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| @Test |
| public void testWrite_charSequenceToOutputStream_nullEncoding() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(csq, out, (String) null); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charSequenceToWriter() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(csq, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToWriter_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write((CharSequence) null, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charSequenceToWriter_Encoding_nullStream() throws Exception { |
| final CharSequence csq = new StringBuilder(new String(inData, StandardCharsets.US_ASCII)); |
| try { |
| IOUtils.write(csq, (Writer) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_stringToOutputStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_stringToOutputStream_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((String) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_stringToOutputStream_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str, (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_stringToOutputStream_Encoding() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str, out, "UTF16"); |
| out.off(); |
| out.flush(); |
| |
| byte[] bytes = baout.toByteArray(); |
| bytes = new String(bytes, StandardCharsets.UTF_16).getBytes(StandardCharsets.US_ASCII); |
| assertTrue(Arrays.equals(inData, bytes), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_stringToOutputStream_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((String) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_stringToOutputStream_Encoding_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str, (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| @Test |
| public void testWrite_stringToOutputStream_nullEncoding() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str, out, (String) null); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_stringToWriter() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(str, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_stringToWriter_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write((String) null, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_stringToWriter_Encoding_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str, (Writer) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charArrayToOutputStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str.toCharArray(), out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToOutputStream_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((char[]) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToOutputStream_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str.toCharArray(), (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charArrayToOutputStream_Encoding() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str.toCharArray(), out, "UTF16"); |
| out.off(); |
| out.flush(); |
| |
| byte[] bytes = baout.toByteArray(); |
| bytes = new String(bytes, StandardCharsets.UTF_16).getBytes(StandardCharsets.US_ASCII); |
| assertTrue(Arrays.equals(inData, bytes), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToOutputStream_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write((char[]) null, out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToOutputStream_Encoding_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str.toCharArray(), (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| @Test |
| public void testWrite_charArrayToOutputStream_nullEncoding() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| |
| IOUtils.write(str.toCharArray(), out, (String) null); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWrite_charArrayToWriter() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write(str.toCharArray(), writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(inData.length, baout.size(), "Sizes differ"); |
| assertTrue(Arrays.equals(inData, baout.toByteArray()), "Content differs"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToWriter_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.write((char[]) null, writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWrite_charArrayToWriter_Encoding_nullStream() throws Exception { |
| final String str = new String(inData, StandardCharsets.US_ASCII); |
| try { |
| IOUtils.write(str.toCharArray(), (Writer) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWriteLines_OutputStream() throws Exception { |
| final Object[] data = new Object[]{ |
| "hello", new StringBuffer("world"), "", "this is", null, "some text"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(list, "*", out); |
| |
| out.off(); |
| out.flush(); |
| |
| final String expected = "hello*world**this is**some text*"; |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(null, "*", out); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_nullSeparator() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(list, null, out); |
| out.off(); |
| out.flush(); |
| |
| final String expected = "hello" + System.lineSeparator() + "world" + System.lineSeparator(); |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_nullStream() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| try { |
| IOUtils.writeLines(list, "*", (OutputStream) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWriteLines_OutputStream_Encoding() throws Exception { |
| final Object[] data = new Object[]{ |
| "hello\u8364", new StringBuffer("world"), "", "this is", null, "some text"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(list, "*", out, "UTF-8"); |
| |
| out.off(); |
| out.flush(); |
| |
| final String expected = "hello\u8364*world**this is**some text*"; |
| final String actual = baout.toString("UTF-8"); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_Encoding_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(null, "*", out, "US-ASCII"); |
| out.off(); |
| out.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_Encoding_nullSeparator() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(list, null, out, "US-ASCII"); |
| out.off(); |
| out.flush(); |
| |
| final String expected = "hello" + System.lineSeparator() + "world" + System.lineSeparator(); |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_Encoding_nullStream() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| try { |
| IOUtils.writeLines(list, "*", null, "US-ASCII"); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| @Test |
| public void testWriteLines_OutputStream_Encoding_nullEncoding() throws Exception { |
| final Object[] data = new Object[]{ |
| "hello", new StringBuffer("world"), "", "this is", null, "some text"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, false, true); |
| |
| IOUtils.writeLines(list, "*", out, (String) null); |
| |
| out.off(); |
| out.flush(); |
| |
| final String expected = "hello*world**this is**some text*"; |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| //----------------------------------------------------------------------- |
| @Test |
| public void testWriteLines_Writer() throws Exception { |
| final Object[] data = new Object[]{ |
| "hello", new StringBuffer("world"), "", "this is", null, "some text"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.writeLines(list, "*", writer); |
| |
| out.off(); |
| writer.flush(); |
| |
| final String expected = "hello*world**this is**some text*"; |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_Writer_nullData() throws Exception { |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.writeLines(null, "*", writer); |
| out.off(); |
| writer.flush(); |
| |
| assertEquals(0, baout.size(), "Sizes differ"); |
| } |
| |
| @Test |
| public void testWriteLines_Writer_nullSeparator() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| |
| final ByteArrayOutputStream baout = new ByteArrayOutputStream(); |
| @SuppressWarnings("resource") // deliberately not closed |
| final ThrowOnFlushAndCloseOutputStream out = new ThrowOnFlushAndCloseOutputStream(baout, true, true); |
| final Writer writer = new OutputStreamWriter(baout, StandardCharsets.US_ASCII); |
| |
| IOUtils.writeLines(list, null, writer); |
| out.off(); |
| writer.flush(); |
| |
| final String expected = "hello" + System.lineSeparator() + "world" + System.lineSeparator(); |
| final String actual = baout.toString(); |
| assertEquals(expected, actual); |
| } |
| |
| @Test |
| public void testWriteLines_Writer_nullStream() throws Exception { |
| final Object[] data = new Object[]{"hello", "world"}; |
| final List<Object> list = Arrays.asList(data); |
| try { |
| IOUtils.writeLines(list, "*", (Writer) null); |
| fail(); |
| } catch (final NullPointerException ignore) { |
| } |
| } |
| |
| } |