| /* |
| * 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.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertFalse; |
| import static org.junit.jupiter.api.Assertions.assertNotNull; |
| import static org.junit.jupiter.api.Assertions.assertNotSame; |
| import static org.junit.jupiter.api.Assertions.assertSame; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.CharArrayReader; |
| import java.io.CharArrayWriter; |
| import java.io.Closeable; |
| import java.io.EOFException; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.Reader; |
| import java.io.StringReader; |
| import java.io.Writer; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.net.URI; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.nio.ByteBuffer; |
| import java.nio.channels.FileChannel; |
| import java.nio.channels.Selector; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.apache.commons.io.output.AppendableWriter; |
| import org.apache.commons.io.output.StringBuilderWriter; |
| import org.apache.commons.io.testtools.TestUtils; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.io.TempDir; |
| |
| /** |
| * This is used to test IOUtils for correctness. The following checks are performed: |
| * <ul> |
| * <li>The return must not be null, must be the same type and equals() to the method's second arg</li> |
| * <li>All bytes must have been read from the source (available() == 0)</li> |
| * <li>The source and destination content must be identical (byte-wise comparison check)</li> |
| * <li>The output stream must not have been closed (a byte/char is written to test this, and subsequent size checked)</li> |
| * </ul> |
| * Due to interdependencies in IOUtils and IOUtilsTestlet, one bug may cause multiple tests to fail. |
| */ |
| @SuppressWarnings("deprecation") // deliberately testing deprecated code |
| public class IOUtilsTestCase { |
| |
| @TempDir |
| public File temporaryFolder; |
| |
| private static final int FILE_SIZE = 1024 * 4 + 1; |
| |
| /** Determine if this is windows. */ |
| private static final boolean WINDOWS = File.separatorChar == '\\'; |
| /* |
| * Note: this is not particularly beautiful code. A better way to check for flush and close status would be to |
| * implement "trojan horse" wrapper implementations of the various stream classes, which set a flag when relevant |
| * methods are called. (JT) |
| */ |
| |
| private char[] carr = null; |
| |
| private byte[] iarr = null; |
| |
| private File m_testFile; |
| |
| /** Assert that the contents of two byte arrays are the same. */ |
| private void assertEqualContent(final byte[] b0, final byte[] b1) { |
| assertTrue(Arrays.equals(b0, b1), "Content not equal according to java.util.Arrays#equals()"); |
| } |
| |
| @BeforeEach |
| public void setUp() { |
| try { |
| m_testFile = new File(temporaryFolder, "file2-test.txt"); |
| |
| if (!m_testFile.getParentFile().exists()) { |
| throw new IOException("Cannot create file " + m_testFile |
| + " as the parent directory does not exist"); |
| } |
| final BufferedOutputStream output = |
| new BufferedOutputStream(new FileOutputStream(m_testFile)); |
| try { |
| TestUtils.generateTestData(output, FILE_SIZE); |
| } finally { |
| IOUtils.closeQuietly(output); |
| } |
| } catch (final IOException ioe) { |
| throw new RuntimeException("Can't run this test because the environment could not be built: " |
| + ioe.getMessage()); |
| } |
| // Create and init a byte array as input data |
| iarr = new byte[200]; |
| Arrays.fill( iarr, (byte)-1); |
| for( int i=0; i< 80; i++){ |
| iarr[i] = (byte) i; |
| } |
| carr = new char[200]; |
| Arrays.fill( carr, (char)-1); |
| for( int i=0; i< 80; i++){ |
| carr[i] = (char) i; |
| } |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_AllCloseableIOException() { |
| final Closeable closeable = () -> { |
| throw new IOException(); |
| }; |
| IOUtils.closeQuietly(closeable, null, closeable); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_CloseableIOException() { |
| IOUtils.closeQuietly((Closeable) () -> { |
| throw new IOException(); |
| }); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_Selector() { |
| Selector selector = null; |
| try { |
| selector = Selector.open(); |
| } catch (final IOException ignore) { |
| } finally { |
| IOUtils.closeQuietly(selector); |
| } |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_SelectorIOException() { |
| final Selector selector = new SelectorAdapter() { |
| @Override |
| public void close() throws IOException { |
| throw new IOException(); |
| } |
| }; |
| IOUtils.closeQuietly(selector); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_SelectorNull() { |
| final Selector selector = null; |
| IOUtils.closeQuietly(selector); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_SelectorTwice() { |
| Selector selector = null; |
| try { |
| selector = Selector.open(); |
| } catch (final IOException ignore) { |
| } finally { |
| IOUtils.closeQuietly(selector); |
| IOUtils.closeQuietly(selector); |
| } |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_ServerSocket() throws IOException { |
| IOUtils.closeQuietly((ServerSocket) null); |
| IOUtils.closeQuietly(new ServerSocket()); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_ServerSocketIOException() throws IOException { |
| IOUtils.closeQuietly(new ServerSocket() { |
| @Override |
| public void close() throws IOException { |
| throw new IOException(); |
| } |
| }); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_Socket() { |
| IOUtils.closeQuietly((Socket) null); |
| IOUtils.closeQuietly(new Socket()); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testCloseQuietly_SocketIOException() { |
| IOUtils.closeQuietly(new Socket() { |
| @Override |
| public synchronized void close() throws IOException { |
| throw new IOException(); |
| } |
| }); |
| } |
| |
| @Test public void testConstants() throws Exception { |
| assertEquals('/', IOUtils.DIR_SEPARATOR_UNIX); |
| assertEquals('\\', IOUtils.DIR_SEPARATOR_WINDOWS); |
| assertEquals("\n", IOUtils.LINE_SEPARATOR_UNIX); |
| assertEquals("\r\n", IOUtils.LINE_SEPARATOR_WINDOWS); |
| if (WINDOWS) { |
| assertEquals('\\', IOUtils.DIR_SEPARATOR); |
| assertEquals("\r\n", IOUtils.LINE_SEPARATOR); |
| } else { |
| assertEquals('/', IOUtils.DIR_SEPARATOR); |
| assertEquals("\n", IOUtils.LINE_SEPARATOR); |
| } |
| } |
| |
| @Test public void testContentEquals_InputStream_InputStream() throws Exception { |
| { |
| assertTrue(IOUtils.contentEquals((InputStream) null, null)); |
| } |
| { |
| final ByteArrayInputStream input1 = new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8)); |
| assertFalse(IOUtils.contentEquals(input1, null)); |
| } |
| { |
| final ByteArrayInputStream input1 = new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8)); |
| assertFalse(IOUtils.contentEquals(null, input1)); |
| } |
| { |
| final ByteArrayInputStream input1 = new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8)); |
| assertTrue(IOUtils.contentEquals(input1, input1)); |
| } |
| { |
| final ByteArrayInputStream input1 = new ByteArrayInputStream("ABC".getBytes(StandardCharsets.UTF_8)); |
| assertTrue(IOUtils.contentEquals(input1, input1)); |
| } |
| assertTrue(IOUtils |
| .contentEquals(new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8)), new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8)))); |
| assertTrue(IOUtils.contentEquals(new BufferedInputStream(new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8))), new BufferedInputStream( |
| new ByteArrayInputStream("".getBytes(StandardCharsets.UTF_8))))); |
| assertTrue(IOUtils.contentEquals(new ByteArrayInputStream("ABC".getBytes(StandardCharsets.UTF_8)), |
| new ByteArrayInputStream("ABC".getBytes(StandardCharsets.UTF_8)))); |
| assertFalse(IOUtils.contentEquals(new ByteArrayInputStream("ABCD".getBytes(StandardCharsets.UTF_8)), |
| new ByteArrayInputStream("ABC".getBytes(StandardCharsets.UTF_8)))); |
| assertFalse(IOUtils.contentEquals(new ByteArrayInputStream("ABC".getBytes(StandardCharsets.UTF_8)), |
| new ByteArrayInputStream("ABCD".getBytes(StandardCharsets.UTF_8)))); |
| } |
| |
| @Test public void testContentEquals_Reader_Reader() throws Exception { |
| { |
| final StringReader input1 = new StringReader(""); |
| assertTrue(IOUtils.contentEquals((Reader) null, null)); |
| } |
| { |
| final StringReader input1 = new StringReader(""); |
| assertFalse(IOUtils.contentEquals(null, input1)); |
| } |
| { |
| final StringReader input1 = new StringReader(""); |
| assertFalse(IOUtils.contentEquals(input1, null)); |
| } |
| { |
| final StringReader input1 = new StringReader(""); |
| assertTrue(IOUtils.contentEquals(input1, input1)); |
| } |
| { |
| final StringReader input1 = new StringReader("ABC"); |
| assertTrue(IOUtils.contentEquals(input1, input1)); |
| } |
| assertTrue(IOUtils.contentEquals(new StringReader(""), new StringReader(""))); |
| assertTrue(IOUtils.contentEquals(new BufferedReader(new StringReader("")), new BufferedReader(new StringReader("")))); |
| assertTrue(IOUtils.contentEquals(new StringReader("ABC"), new StringReader("ABC"))); |
| assertFalse(IOUtils.contentEquals(new StringReader("ABCD"), new StringReader("ABC"))); |
| assertFalse(IOUtils.contentEquals(new StringReader("ABC"), new StringReader("ABCD"))); |
| } |
| |
| @Test public void testContentEqualsIgnoreEOL() throws Exception { |
| { |
| final Reader input1 = new CharArrayReader("".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL((Reader) null, null)); |
| } |
| { |
| final Reader input1 = new CharArrayReader("".toCharArray()); |
| assertFalse(IOUtils.contentEqualsIgnoreEOL(null, input1)); |
| } |
| { |
| final Reader input1 = new CharArrayReader("".toCharArray()); |
| assertFalse(IOUtils.contentEqualsIgnoreEOL(input1, null)); |
| } |
| { |
| final Reader input1 = new CharArrayReader("".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(input1, input1)); |
| } |
| { |
| final Reader input1 = new CharArrayReader("321\r\n".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(input1, input1)); |
| } |
| |
| Reader r1; |
| Reader r2; |
| |
| r1 = new CharArrayReader("".toCharArray()); |
| r2 = new CharArrayReader("".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(r1, r2)); |
| |
| r1 = new CharArrayReader("1".toCharArray()); |
| r2 = new CharArrayReader("1".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(r1, r2)); |
| |
| r1 = new CharArrayReader("1".toCharArray()); |
| r2 = new CharArrayReader("2".toCharArray()); |
| assertFalse(IOUtils.contentEqualsIgnoreEOL(r1, r2)); |
| |
| r1 = new CharArrayReader("123\rabc".toCharArray()); |
| r2 = new CharArrayReader("123\nabc".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(r1, r2)); |
| |
| r1 = new CharArrayReader("321".toCharArray()); |
| r2 = new CharArrayReader("321\r\n".toCharArray()); |
| assertTrue(IOUtils.contentEqualsIgnoreEOL(r1, r2)); |
| } |
| |
| @Test public void testCopy_ByteArray_OutputStream() throws Exception { |
| final File destination = TestUtils.newFile(temporaryFolder, "copy8.txt"); |
| byte[] in; |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| // Create our byte[]. Rely on testInputStreamToByteArray() to make sure this is valid. |
| in = IOUtils.toByteArray(fin); |
| } |
| |
| try (FileOutputStream fout = new FileOutputStream(destination)) { |
| CopyUtils.copy(in, fout); |
| |
| fout.flush(); |
| |
| TestUtils.checkFile(destination, m_testFile); |
| TestUtils.checkWrite(fout); |
| } |
| TestUtils.deleteFile(destination); |
| } |
| |
| @Test public void testCopy_ByteArray_Writer() throws Exception { |
| final File destination = TestUtils.newFile(temporaryFolder, "copy7.txt"); |
| byte[] in; |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| // Create our byte[]. Rely on testInputStreamToByteArray() to make sure this is valid. |
| in = IOUtils.toByteArray(fin); |
| } |
| |
| try (FileWriter fout = new FileWriter(destination)) { |
| CopyUtils.copy(in, fout); |
| fout.flush(); |
| TestUtils.checkFile(destination, m_testFile); |
| TestUtils.checkWrite(fout); |
| } |
| TestUtils.deleteFile(destination); |
| } |
| |
| @Test public void testCopy_String_Writer() throws Exception { |
| final File destination = TestUtils.newFile(temporaryFolder, "copy6.txt"); |
| String str; |
| try (FileReader fin = new FileReader(m_testFile)) { |
| // Create our String. Rely on testReaderToString() to make sure this is valid. |
| str = IOUtils.toString(fin); |
| } |
| |
| try (FileWriter fout = new FileWriter(destination)) { |
| CopyUtils.copy(str, fout); |
| fout.flush(); |
| |
| TestUtils.checkFile(destination, m_testFile); |
| TestUtils.checkWrite(fout); |
| } |
| TestUtils.deleteFile(destination); |
| } |
| |
| @Test public void testCopyLarge_CharExtraLength() throws IOException { |
| CharArrayReader is = null; |
| CharArrayWriter os = null; |
| try { |
| // Create streams |
| is = new CharArrayReader(carr); |
| os = new CharArrayWriter(); |
| |
| // Test our copy method |
| // for extra length, it reads till EOF |
| assertEquals(200, IOUtils.copyLarge(is, os, 0, 2000)); |
| final char[] oarr = os.toCharArray(); |
| |
| // check that output length is correct |
| assertEquals(200, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals((char) -1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_CharFullLength() throws IOException { |
| CharArrayReader is = null; |
| CharArrayWriter os = null; |
| try { |
| // Create streams |
| is = new CharArrayReader(carr); |
| os = new CharArrayWriter(); |
| |
| // Test our copy method |
| assertEquals(200, IOUtils.copyLarge(is, os, 0, -1)); |
| final char[] oarr = os.toCharArray(); |
| |
| // check that output length is correct |
| assertEquals(200, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals((char) -1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_CharNoSkip() throws IOException { |
| CharArrayReader is = null; |
| CharArrayWriter os = null; |
| try { |
| // Create streams |
| is = new CharArrayReader(carr); |
| os = new CharArrayWriter(); |
| |
| // Test our copy method |
| assertEquals(100, IOUtils.copyLarge(is, os, 0, 100)); |
| final char[] oarr = os.toCharArray(); |
| |
| // check that output length is correct |
| assertEquals(100, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals((char) -1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_CharSkip() throws IOException { |
| CharArrayReader is = null; |
| CharArrayWriter os = null; |
| try { |
| // Create streams |
| is = new CharArrayReader(carr); |
| os = new CharArrayWriter(); |
| |
| // Test our copy method |
| assertEquals(100, IOUtils.copyLarge(is, os, 10, 100)); |
| final char[] oarr = os.toCharArray(); |
| |
| // check that output length is correct |
| assertEquals(100, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(11, oarr[1]); |
| assertEquals(79, oarr[69]); |
| assertEquals((char) -1, oarr[70]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_CharSkipInvalid() throws IOException { |
| CharArrayReader is = null; |
| CharArrayWriter os = null; |
| try { |
| // Create streams |
| is = new CharArrayReader(carr); |
| os = new CharArrayWriter(); |
| |
| // Test our copy method |
| IOUtils.copyLarge(is, os, 1000, 100); |
| fail("Should have thrown EOFException"); |
| } catch (final EOFException ignore) { |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_ExtraLength() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| // for extra length, it reads till EOF |
| assertEquals(200, IOUtils.copyLarge(is, os, 0, 2000)); |
| final byte[] oarr = os.toByteArray(); |
| |
| // check that output length is correct |
| assertEquals(200, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals(-1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_FullLength() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| assertEquals(200, IOUtils.copyLarge(is, os, 0, -1)); |
| final byte[] oarr = os.toByteArray(); |
| |
| // check that output length is correct |
| assertEquals(200, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals(-1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_NoSkip() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| assertEquals(100, IOUtils.copyLarge(is, os, 0, 100)); |
| final byte[] oarr = os.toByteArray(); |
| |
| // check that output length is correct |
| assertEquals(100, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals(-1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_Skip() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| assertEquals(100, IOUtils.copyLarge(is, os, 10, 100)); |
| final byte[] oarr = os.toByteArray(); |
| |
| // check that output length is correct |
| assertEquals(100, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(11, oarr[1]); |
| assertEquals(79, oarr[69]); |
| assertEquals(-1, oarr[70]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testCopyLarge_SkipInvalid() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| IOUtils.copyLarge(is, os, 1000, 100); |
| fail("Should have thrown EOFException"); |
| } catch (final EOFException ignore) { |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| @Test public void testRead_ReadableByteChannel() throws Exception { |
| final ByteBuffer buffer = ByteBuffer.allocate(FILE_SIZE); |
| final FileInputStream fileInputStream = new FileInputStream(m_testFile); |
| final FileChannel input = fileInputStream.getChannel(); |
| try { |
| assertEquals(FILE_SIZE, IOUtils.read(input, buffer)); |
| assertEquals(0, IOUtils.read(input, buffer)); |
| assertEquals(0, buffer.remaining()); |
| assertEquals(0, input.read(buffer)); |
| buffer.clear(); |
| try { |
| IOUtils.readFully(input, buffer); |
| fail("Should have failed with EOFxception"); |
| } catch (final EOFException expected) { |
| // expected |
| } |
| } finally { |
| IOUtils.closeQuietly(input, fileInputStream); |
| }} |
| |
| @Test public void testReadFully_InputStream_ByteArray() throws Exception { |
| final int size = 1027; |
| |
| final byte[] buffer = new byte[size]; |
| |
| final InputStream input = new ByteArrayInputStream(new byte[size]); |
| try { |
| IOUtils.readFully(input, buffer, 0, -1); |
| fail("Should have failed with IllegalArgumentException"); |
| } catch (final IllegalArgumentException expected) { |
| // expected |
| } |
| IOUtils.readFully(input, buffer, 0, 0); |
| IOUtils.readFully(input, buffer, 0, size - 1); |
| try { |
| IOUtils.readFully(input, buffer, 0, 2); |
| fail("Should have failed with EOFxception"); |
| } catch (final EOFException expected) { |
| // expected |
| } |
| IOUtils.closeQuietly(input); |
| |
| } |
| |
| @Test public void testReadFully_InputStream__ReturnByteArray() throws Exception { |
| final byte[] bytes = "abcd1234".getBytes("UTF-8"); |
| final ByteArrayInputStream stream = new ByteArrayInputStream(bytes); |
| |
| final byte[] result = IOUtils.readFully(stream, bytes.length); |
| |
| IOUtils.closeQuietly(stream); |
| |
| assertEqualContent(result, bytes); |
| } |
| |
| @Test public void testReadFully_InputStream_Offset() throws Exception { |
| final byte[] bytes = "abcd1234".getBytes("UTF-8"); |
| final ByteArrayInputStream stream = new ByteArrayInputStream(bytes); |
| final byte[] buffer = "wx00000000".getBytes("UTF-8"); |
| IOUtils.readFully(stream, buffer, 2, 8); |
| assertEquals("wxabcd1234", new String(buffer, 0, buffer.length, "UTF-8")); |
| IOUtils.closeQuietly(stream); |
| } |
| |
| @Test public void testReadFully_ReadableByteChannel() throws Exception { |
| final ByteBuffer buffer = ByteBuffer.allocate(FILE_SIZE); |
| final FileInputStream fileInputStream = new FileInputStream(m_testFile); |
| final FileChannel input = fileInputStream.getChannel(); |
| try { |
| IOUtils.readFully(input, buffer); |
| assertEquals(FILE_SIZE, buffer.position()); |
| assertEquals(0, buffer.remaining()); |
| assertEquals(0, input.read(buffer)); |
| IOUtils.readFully(input, buffer); |
| assertEquals(FILE_SIZE, buffer.position()); |
| assertEquals(0, buffer.remaining()); |
| assertEquals(0, input.read(buffer)); |
| IOUtils.readFully(input, buffer); |
| buffer.clear(); |
| try { |
| IOUtils.readFully(input, buffer); |
| fail("Should have failed with EOFxception"); |
| } catch (final EOFException expected) { |
| // expected |
| } |
| } finally { |
| IOUtils.closeQuietly(input, fileInputStream); |
| } |
| } |
| |
| @Test public void testReadFully_Reader() throws Exception { |
| final int size = 1027; |
| |
| final char[] buffer = new char[size]; |
| |
| final Reader input = new CharArrayReader(new char[size]); |
| IOUtils.readFully(input, buffer, 0, 0); |
| IOUtils.readFully(input, buffer, 0, size - 3); |
| try { |
| IOUtils.readFully(input, buffer, 0, -1); |
| fail("Should have failed with IllegalArgumentException"); |
| } catch (final IllegalArgumentException expected) { |
| // expected |
| } |
| try { |
| IOUtils.readFully(input, buffer, 0, 5); |
| fail("Should have failed with EOFException"); |
| } catch (final EOFException expected) { |
| // expected |
| } |
| IOUtils.closeQuietly(input); |
| } |
| |
| @Test public void testReadFully_Reader_Offset() throws Exception { |
| final Reader reader = new StringReader("abcd1234"); |
| final char[] buffer = "wx00000000".toCharArray(); |
| IOUtils.readFully(reader, buffer, 2, 8); |
| assertEquals("wxabcd1234", new String(buffer)); |
| IOUtils.closeQuietly(reader); |
| } |
| |
| @Test public void testReadLines_InputStream() throws Exception { |
| final File file = TestUtils.newFile(temporaryFolder, "lines.txt"); |
| InputStream in = null; |
| try { |
| final String[] data = new String[] { "hello", "world", "", "this is", "some text" }; |
| TestUtils.createLineBasedFile(file, data); |
| |
| in = new FileInputStream(file); |
| final List<String> lines = IOUtils.readLines(in); |
| assertEquals(Arrays.asList(data), lines); |
| assertEquals(-1, in.read()); |
| } finally { |
| IOUtils.closeQuietly(in); |
| TestUtils.deleteFile(file); |
| } |
| } |
| |
| @Test public void testReadLines_InputStream_String() throws Exception { |
| final File file = TestUtils.newFile(temporaryFolder, "lines.txt"); |
| InputStream in = null; |
| try { |
| final String[] data = new String[] { "hello", "/u1234", "", "this is", "some text" }; |
| TestUtils.createLineBasedFile(file, data); |
| |
| in = new FileInputStream(file); |
| final List<String> lines = IOUtils.readLines(in, "UTF-8"); |
| assertEquals(Arrays.asList(data), lines); |
| assertEquals(-1, in.read()); |
| } finally { |
| IOUtils.closeQuietly(in); |
| TestUtils.deleteFile(file); |
| } |
| } |
| |
| @Test public void testReadLines_Reader() throws Exception { |
| final File file = TestUtils.newFile(temporaryFolder, "lines.txt"); |
| Reader in = null; |
| try { |
| final String[] data = new String[] { "hello", "/u1234", "", "this is", "some text" }; |
| TestUtils.createLineBasedFile(file, data); |
| |
| in = new InputStreamReader(new FileInputStream(file)); |
| final List<String> lines = IOUtils.readLines(in); |
| assertEquals(Arrays.asList(data), lines); |
| assertEquals(-1, in.read()); |
| } finally { |
| IOUtils.closeQuietly(in); |
| TestUtils.deleteFile(file); |
| } |
| } |
| |
| @Test public void testSkip_FileReader() throws Exception { |
| try (FileReader in = new FileReader(m_testFile)) { |
| assertEquals(FILE_SIZE - 10, IOUtils.skip(in, FILE_SIZE - 10)); |
| assertEquals(10, IOUtils.skip(in, 20)); |
| assertEquals(0, IOUtils.skip(in, 10)); |
| } |
| } |
| |
| @Test public void testSkip_InputStream() throws Exception { |
| try (InputStream in = new FileInputStream(m_testFile)) { |
| assertEquals(FILE_SIZE - 10, IOUtils.skip(in, FILE_SIZE - 10)); |
| assertEquals(10, IOUtils.skip(in, 20)); |
| assertEquals(0, IOUtils.skip(in, 10)); |
| } |
| } |
| |
| @Test public void testSkip_ReadableByteChannel() throws Exception { |
| final FileInputStream fileInputStream = new FileInputStream(m_testFile); |
| final FileChannel fileChannel = fileInputStream.getChannel(); |
| try { |
| assertEquals(FILE_SIZE - 10, IOUtils.skip(fileChannel, FILE_SIZE - 10)); |
| assertEquals(10, IOUtils.skip(fileChannel, 20)); |
| assertEquals(0, IOUtils.skip(fileChannel, 10)); |
| } finally { |
| IOUtils.closeQuietly(fileChannel, fileInputStream); |
| } |
| } |
| |
| @Test public void testSkipFully_InputStream() throws Exception { |
| final int size = 1027; |
| |
| final InputStream input = new ByteArrayInputStream(new byte[size]); |
| try { |
| IOUtils.skipFully(input, -1); |
| fail("Should have failed with IllegalArgumentException"); |
| } catch (final IllegalArgumentException expected) { |
| // expected |
| } |
| IOUtils.skipFully(input, 0); |
| IOUtils.skipFully(input, size - 1); |
| try { |
| IOUtils.skipFully(input, 2); |
| fail("Should have failed with IOException"); |
| } catch (final IOException expected) { |
| // expected |
| } |
| IOUtils.closeQuietly(input); |
| |
| } |
| |
| @Test public void testSkipFully_ReadableByteChannel() throws Exception { |
| final FileInputStream fileInputStream = new FileInputStream(m_testFile); |
| final FileChannel fileChannel = fileInputStream.getChannel(); |
| try { |
| try { |
| IOUtils.skipFully(fileChannel, -1); |
| fail("Should have failed with IllegalArgumentException"); |
| } catch (final IllegalArgumentException expected) { |
| // expected |
| } |
| IOUtils.skipFully(fileChannel, 0); |
| IOUtils.skipFully(fileChannel, FILE_SIZE - 1); |
| try { |
| IOUtils.skipFully(fileChannel, 2); |
| fail("Should have failed with IOException"); |
| } catch (final IOException expected) { |
| // expected |
| } |
| } finally { |
| IOUtils.closeQuietly(fileChannel, fileInputStream); |
| } |
| } |
| |
| @Test public void testSkipFully_Reader() throws Exception { |
| final int size = 1027; |
| |
| final Reader input = new CharArrayReader(new char[size]); |
| IOUtils.skipFully(input, 0); |
| IOUtils.skipFully(input, size - 3); |
| try { |
| IOUtils.skipFully(input, -1); |
| fail("Should have failed with IllegalArgumentException"); |
| } catch (final IllegalArgumentException expected) { |
| // expected |
| } |
| try { |
| IOUtils.skipFully(input, 5); |
| fail("Should have failed with IOException"); |
| } catch (final IOException expected) { |
| // expected |
| } |
| IOUtils.closeQuietly(input); |
| } |
| |
| @Test public void testStringToOutputStream() throws Exception { |
| final File destination = TestUtils.newFile(temporaryFolder, "copy5.txt"); |
| String str; |
| try (FileReader fin = new FileReader(m_testFile)) { |
| // Create our String. Rely on testReaderToString() to make sure this is valid. |
| str = IOUtils.toString(fin); |
| } |
| |
| try (FileOutputStream fout = new FileOutputStream(destination)) { |
| CopyUtils.copy(str, fout); |
| // Note: this method *does* flush. It is equivalent to: |
| // OutputStreamWriter _out = new OutputStreamWriter(fout); |
| // CopyUtils.copy( str, _out, 4096 ); // copy( Reader, Writer, int ); |
| // _out.flush(); |
| // out = fout; |
| // note: we don't flush here; this IOUtils method does it for us |
| |
| TestUtils.checkFile(destination, m_testFile); |
| TestUtils.checkWrite(fout); |
| } |
| TestUtils.deleteFile(destination); |
| } |
| |
| @Test public void testToBufferedInputStream_InputStream() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final InputStream in = IOUtils.toBufferedInputStream(fin); |
| final byte[] out = IOUtils.toByteArray(in); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all bytes were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToBufferedInputStreamWithBufferSize_InputStream() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final InputStream in = IOUtils.toBufferedInputStream(fin, 2048); |
| final byte[] out = IOUtils.toByteArray(in); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all bytes were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToByteArray_InputStream() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final byte[] out = IOUtils.toByteArray(fin); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all bytes were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToByteArray_InputStream_NegativeSize() throws Exception { |
| |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| IOUtils.toByteArray(fin, -1); |
| fail("IllegalArgumentException expected"); |
| } catch (final IllegalArgumentException exc) { |
| assertTrue(exc.getMessage().startsWith("Size must be equal or greater than zero"), |
| "Exception message does not start with \"Size must be equal or greater than zero\""); |
| } |
| |
| } |
| |
| @Test public void testToByteArray_InputStream_Size() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final byte[] out = IOUtils.toByteArray(fin, m_testFile.length()); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all bytes were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size: out.length=" + out.length + "!=" + FILE_SIZE); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToByteArray_InputStream_SizeIllegal() throws Exception { |
| |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| IOUtils.toByteArray(fin, m_testFile.length() + 1); |
| fail("IOException expected"); |
| } catch (final IOException exc) { |
| assertTrue(exc.getMessage().startsWith("Unexpected read size"), |
| "Exception message does not start with \"Unexpected read size\""); |
| } |
| |
| } |
| |
| @Test public void testToByteArray_InputStream_SizeLong() throws Exception { |
| |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| IOUtils.toByteArray(fin, (long) Integer.MAX_VALUE + 1); |
| fail("IOException expected"); |
| } catch (final IllegalArgumentException exc) { |
| assertTrue(exc.getMessage().startsWith("Size cannot be greater than Integer max value"), |
| "Exception message does not start with \"Size cannot be greater than Integer max value\""); |
| } |
| |
| } |
| |
| @Test public void testToByteArray_InputStream_SizeZero() throws Exception { |
| |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final byte[] out = IOUtils.toByteArray(fin, 0); |
| assertNotNull(out, "Out cannot be null"); |
| assertEquals(0, out.length, "Out length must be 0"); |
| } |
| } |
| |
| @Test public void testToByteArray_Reader() throws IOException { |
| final String charsetName = "UTF-8"; |
| final byte[] expecteds = charsetName.getBytes(charsetName); |
| byte[] actuals = IOUtils.toByteArray(new InputStreamReader(new ByteArrayInputStream(expecteds))); |
| assertArrayEquals(expecteds, actuals); |
| actuals = IOUtils.toByteArray(new InputStreamReader(new ByteArrayInputStream(expecteds)), charsetName); |
| assertArrayEquals(expecteds, actuals); |
| } |
| |
| @Test public void testToByteArray_String() throws Exception { |
| try (FileReader fin = new FileReader(m_testFile)) { |
| // Create our String. Rely on testReaderToString() to make sure this is valid. |
| final String str = IOUtils.toString(fin); |
| |
| final byte[] out = IOUtils.toByteArray(str); |
| assertEqualContent(str.getBytes(), out); |
| } |
| } |
| |
| @Test public void testToByteArray_URI() throws Exception { |
| final URI url = m_testFile.toURI(); |
| final byte[] actual = IOUtils.toByteArray(url); |
| assertEquals(FILE_SIZE, actual.length); |
| } |
| |
| @Test public void testToByteArray_URL() throws Exception { |
| final URL url = m_testFile.toURI().toURL(); |
| final byte[] actual = IOUtils.toByteArray(url); |
| assertEquals(FILE_SIZE, actual.length); |
| } |
| |
| @Test public void testToByteArray_URLConnection() throws Exception { |
| final URLConnection urlConn = m_testFile.toURI().toURL().openConnection(); |
| byte[] actual; |
| try { |
| actual = IOUtils.toByteArray(urlConn); |
| } finally { |
| IOUtils.close(urlConn); |
| } |
| assertEquals(FILE_SIZE, actual.length); |
| } |
| |
| @Test public void testToCharArray_InputStream() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final char[] out = IOUtils.toCharArray(fin); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all chars were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToCharArray_InputStream_CharsetName() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final char[] out = IOUtils.toCharArray(fin, "UTF-8"); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all chars were read"); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| @Test public void testToCharArray_Reader() throws Exception { |
| try (FileReader fr = new FileReader(m_testFile)) { |
| final char[] out = IOUtils.toCharArray(fr); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length, "Wrong output size"); |
| TestUtils.assertEqualContent(out, m_testFile); |
| } |
| } |
| |
| /** |
| * Test for {@link IOUtils#toInputStream(CharSequence)} and {@link IOUtils#toInputStream(CharSequence, String)}. |
| * Note, this test utilizes on {@link IOUtils#toByteArray(java.io.InputStream)} and so relies on |
| * {@link #testToByteArray_InputStream()} to ensure this method functions correctly. |
| * |
| * @throws Exception |
| * on error |
| */ |
| @Test public void testToInputStream_CharSequence() throws Exception { |
| final CharSequence csq = new StringBuilder("Abc123Xyz!"); |
| InputStream inStream = IOUtils.toInputStream(csq); // deliberately testing deprecated method |
| byte[] bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(csq.toString().getBytes(), bytes); |
| inStream = IOUtils.toInputStream(csq, (String) null); |
| bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(csq.toString().getBytes(), bytes); |
| inStream = IOUtils.toInputStream(csq, "UTF-8"); |
| bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(csq.toString().getBytes("UTF-8"), bytes); |
| } |
| |
| // Tests from IO-305 |
| |
| /** |
| * Test for {@link IOUtils#toInputStream(String)} and {@link IOUtils#toInputStream(String, String)}. Note, this test |
| * utilizes on {@link IOUtils#toByteArray(java.io.InputStream)} and so relies on |
| * {@link #testToByteArray_InputStream()} to ensure this method functions correctly. |
| * |
| * @throws Exception |
| * on error |
| */ |
| @Test public void testToInputStream_String() throws Exception { |
| final String str = "Abc123Xyz!"; |
| InputStream inStream = IOUtils.toInputStream(str); |
| byte[] bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(str.getBytes(), bytes); |
| inStream = IOUtils.toInputStream(str, (String) null); |
| bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(str.getBytes(), bytes); |
| inStream = IOUtils.toInputStream(str, "UTF-8"); |
| bytes = IOUtils.toByteArray(inStream); |
| assertEqualContent(str.getBytes("UTF-8"), bytes); |
| } |
| |
| @Test public void testToString_ByteArray() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final byte[] in = IOUtils.toByteArray(fin); |
| // Create our byte[]. Rely on testInputStreamToByteArray() to make sure this is valid. |
| final String str = IOUtils.toString(in); |
| assertEqualContent(in, str.getBytes()); |
| } |
| } |
| |
| @Test public void testToString_InputStream() throws Exception { |
| try (FileInputStream fin = new FileInputStream(m_testFile)) { |
| final String out = IOUtils.toString(fin); |
| assertNotNull(out); |
| assertEquals(0, fin.available(), "Not all bytes were read"); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| } |
| |
| @Test public void testToString_Reader() throws Exception { |
| try (FileReader fin = new FileReader(m_testFile)) { |
| final String out = IOUtils.toString(fin); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| } |
| |
| @Test public void testToString_URI() throws Exception { |
| final URI url = m_testFile.toURI(); |
| final String out = IOUtils.toString(url); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| |
| private void testToString_URI(final String encoding) throws Exception { |
| final URI uri = m_testFile.toURI(); |
| final String out = IOUtils.toString(uri, encoding); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| |
| @Test public void testToString_URI_CharsetName() throws Exception { |
| testToString_URI("US-ASCII"); |
| } |
| |
| @Test public void testToString_URI_CharsetNameNull() throws Exception { |
| testToString_URI(null); |
| } |
| |
| @Test public void testToString_URL() throws Exception { |
| final URL url = m_testFile.toURI().toURL(); |
| final String out = IOUtils.toString(url); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| |
| private void testToString_URL(final String encoding) throws Exception { |
| final URL url = m_testFile.toURI().toURL(); |
| final String out = IOUtils.toString(url, encoding); |
| assertNotNull(out); |
| assertEquals(FILE_SIZE, out.length(), "Wrong output size"); |
| } |
| |
| @Test public void testToString_URL_CharsetName() throws Exception { |
| testToString_URL("US-ASCII"); |
| } |
| |
| @Test public void testToString_URL_CharsetNameNull() throws Exception { |
| testToString_URL(null); |
| } |
| |
| @Test public void testResourceToString_ExistingResourceAtRootPackage() throws Exception { |
| final long fileSize = new File(getClass().getResource("/test-file-simple-utf8.bin").toURI()).length(); |
| final String content = IOUtils.resourceToString("/test-file-simple-utf8.bin", StandardCharsets.UTF_8); |
| |
| assertNotNull(content); |
| assertEquals(fileSize, content.getBytes().length); |
| } |
| |
| @Test public void testResourceToString_ExistingResourceAtRootPackage_WithClassLoader() throws Exception { |
| final long fileSize = new File(getClass().getResource("/test-file-simple-utf8.bin").toURI()).length(); |
| final String content = IOUtils.resourceToString( |
| "test-file-simple-utf8.bin", |
| StandardCharsets.UTF_8, |
| ClassLoader.getSystemClassLoader() |
| ); |
| |
| assertNotNull(content); |
| assertEquals(fileSize, content.getBytes().length); |
| } |
| |
| @Test public void testResourceToString_ExistingResourceAtSubPackage() throws Exception { |
| final long fileSize = new File(getClass().getResource("/org/apache/commons/io/FileUtilsTestDataCR.dat").toURI()).length(); |
| final String content = IOUtils.resourceToString("/org/apache/commons/io/FileUtilsTestDataCR.dat", StandardCharsets.UTF_8); |
| |
| assertNotNull(content); |
| assertEquals(fileSize, content.getBytes().length); |
| } |
| |
| @Test public void testResourceToString_ExistingResourceAtSubPackage_WithClassLoader() throws Exception { |
| final long fileSize = new File(getClass().getResource("/org/apache/commons/io/FileUtilsTestDataCR.dat").toURI()).length(); |
| final String content = IOUtils.resourceToString( |
| "org/apache/commons/io/FileUtilsTestDataCR.dat", |
| StandardCharsets.UTF_8, |
| ClassLoader.getSystemClassLoader() |
| ); |
| |
| assertNotNull(content); |
| assertEquals(fileSize, content.getBytes().length); |
| } |
| |
| @Test public void testResourceToString_NonExistingResource() { |
| assertThrows(IOException.class, |
| () -> IOUtils.resourceToString("/non-existing-file.bin", StandardCharsets.UTF_8)); |
| } |
| |
| @Test public void testResourceToString_NonExistingResource_WithClassLoader() { |
| assertThrows(IOException.class, |
| () -> IOUtils.resourceToString("non-existing-file.bin", StandardCharsets.UTF_8, ClassLoader.getSystemClassLoader())); |
| } |
| |
| @Test public void testResourceToString_NullResource() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToString(null, StandardCharsets.UTF_8)); |
| } |
| |
| @Test public void testResourceToString_NullResource_WithClassLoader() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToString(null, StandardCharsets.UTF_8, ClassLoader.getSystemClassLoader())); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testResourceToString_NullCharset() throws Exception { |
| IOUtils.resourceToString("/test-file-utf8.bin", null); |
| } |
| |
| @SuppressWarnings("squid:S2699") // Suppress "Add at least one assertion to this test case" |
| @Test public void testResourceToString_NullCharset_WithClassLoader() throws Exception { |
| IOUtils.resourceToString("test-file-utf8.bin", null, ClassLoader.getSystemClassLoader()); |
| } |
| |
| @Test public void testResourceToByteArray_ExistingResourceAtRootPackage() throws Exception { |
| final long fileSize = new File(getClass().getResource("/test-file-utf8.bin").toURI()).length(); |
| final byte[] bytes = IOUtils.resourceToByteArray("/test-file-utf8.bin"); |
| assertNotNull(bytes); |
| assertEquals(fileSize, bytes.length); |
| } |
| |
| @Test public void testResourceToByteArray_ExistingResourceAtRootPackage_WithClassLoader() throws Exception { |
| final long fileSize = new File(getClass().getResource("/test-file-utf8.bin").toURI()).length(); |
| final byte[] bytes = IOUtils.resourceToByteArray("test-file-utf8.bin", ClassLoader.getSystemClassLoader()); |
| assertNotNull(bytes); |
| assertEquals(fileSize, bytes.length); |
| } |
| |
| @Test public void testResourceToByteArray_ExistingResourceAtSubPackage() throws Exception { |
| final long fileSize = new File(getClass().getResource("/org/apache/commons/io/FileUtilsTestDataCR.dat").toURI()).length(); |
| final byte[] bytes = IOUtils.resourceToByteArray("/org/apache/commons/io/FileUtilsTestDataCR.dat"); |
| assertNotNull(bytes); |
| assertEquals(fileSize, bytes.length); |
| } |
| |
| @Test public void testResourceToByteArray_ExistingResourceAtSubPackage_WithClassLoader() throws Exception { |
| final long fileSize = new File(getClass().getResource("/org/apache/commons/io/FileUtilsTestDataCR.dat").toURI()).length(); |
| final byte[] bytes = IOUtils.resourceToByteArray("org/apache/commons/io/FileUtilsTestDataCR.dat", ClassLoader.getSystemClassLoader()); |
| assertNotNull(bytes); |
| assertEquals(fileSize, bytes.length); |
| } |
| |
| @Test public void testResourceToByteArray_NonExistingResource() { |
| assertThrows(IOException.class, () -> IOUtils.resourceToByteArray("/non-existing-file.bin")); |
| } |
| |
| @Test public void testResourceToByteArray_NonExistingResource_WithClassLoader() { |
| assertThrows(IOException.class, |
| () -> IOUtils.resourceToByteArray("non-existing-file.bin", ClassLoader.getSystemClassLoader())); |
| } |
| |
| @Test public void testResourceToByteArray_Null() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToByteArray(null)); |
| } |
| |
| @Test public void testResourceToByteArray_Null_WithClassLoader() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToByteArray(null, ClassLoader.getSystemClassLoader())); |
| } |
| |
| @Test public void testResourceToURL_ExistingResourceAtRootPackage() throws Exception { |
| final URL url = IOUtils.resourceToURL("/test-file-utf8.bin"); |
| assertNotNull(url); |
| assertTrue(url.getFile().endsWith("/test-file-utf8.bin")); |
| } |
| |
| @Test public void testResourceToURL_ExistingResourceAtRootPackage_WithClassLoader() throws Exception { |
| final URL url = IOUtils.resourceToURL("test-file-utf8.bin", ClassLoader.getSystemClassLoader()); |
| assertNotNull(url); |
| assertTrue(url.getFile().endsWith("/test-file-utf8.bin")); |
| } |
| |
| @Test public void testResourceToURL_ExistingResourceAtSubPackage() throws Exception { |
| final URL url = IOUtils.resourceToURL("/org/apache/commons/io/FileUtilsTestDataCR.dat"); |
| assertNotNull(url); |
| assertTrue(url.getFile().endsWith("/org/apache/commons/io/FileUtilsTestDataCR.dat")); |
| } |
| |
| @Test public void testResourceToURL_ExistingResourceAtSubPackage_WithClassLoader() throws Exception { |
| final URL url = IOUtils.resourceToURL( |
| "org/apache/commons/io/FileUtilsTestDataCR.dat", |
| ClassLoader.getSystemClassLoader() |
| ); |
| |
| assertNotNull(url); |
| assertTrue(url.getFile().endsWith("/org/apache/commons/io/FileUtilsTestDataCR.dat")); |
| } |
| |
| @Test public void testResourceToURL_NonExistingResource() { |
| assertThrows(IOException.class, () -> IOUtils.resourceToURL("/non-existing-file.bin")); |
| } |
| |
| @Test public void testResourceToURL_NonExistingResource_WithClassLoader() { |
| assertThrows(IOException.class, |
| () -> IOUtils.resourceToURL("non-existing-file.bin", ClassLoader.getSystemClassLoader())); |
| } |
| |
| @Test public void testResourceToURL_Null() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToURL(null)); |
| } |
| |
| @Test public void testResourceToURL_Null_WithClassLoader() { |
| assertThrows(NullPointerException.class, () -> IOUtils.resourceToURL(null, ClassLoader.getSystemClassLoader())); |
| } |
| |
| @Test public void testAsBufferedNull() { |
| try { |
| IOUtils.buffer((InputStream) null); |
| fail("Expected NullPointerException"); |
| } catch (final NullPointerException npe) { |
| // expected |
| } |
| try { |
| IOUtils.buffer((OutputStream) null); |
| fail("Expected NullPointerException"); |
| } catch (final NullPointerException npe) { |
| // expected |
| } |
| try { |
| IOUtils.buffer((Reader) null); |
| fail("Expected NullPointerException"); |
| } catch (final NullPointerException npe) { |
| // expected |
| } |
| try { |
| IOUtils.buffer((Writer) null); |
| fail("Expected NullPointerException"); |
| } catch (final NullPointerException npe) { |
| // expected |
| } |
| } |
| |
| @Test public void testAsBufferedInputStream() { |
| final InputStream is = new InputStream() { |
| @Override |
| public int read() throws IOException { |
| return 0; |
| } |
| }; |
| final BufferedInputStream bis = IOUtils.buffer(is); |
| assertNotSame(is, bis); |
| assertSame(bis, IOUtils.buffer(bis)); |
| } |
| |
| @Test public void testAsBufferedInputStreamWithBufferSize() { |
| final InputStream is = new InputStream() { |
| @Override |
| public int read() throws IOException { |
| return 0; |
| } |
| }; |
| final BufferedInputStream bis = IOUtils.buffer(is, 2048); |
| assertNotSame(is, bis); |
| assertSame(bis, IOUtils.buffer(bis)); |
| assertSame(bis, IOUtils.buffer(bis, 1024)); |
| } |
| |
| @Test public void testAsBufferedOutputStream() { |
| final OutputStream is = new OutputStream() { |
| @Override |
| public void write(final int b) throws IOException { } |
| }; |
| final BufferedOutputStream bis = IOUtils.buffer(is); |
| assertNotSame(is, bis); |
| assertSame(bis, IOUtils.buffer(bis)); |
| } |
| |
| @Test public void testAsBufferedOutputStreamWithBufferSize() { |
| final OutputStream os = new OutputStream() { |
| @Override |
| public void write(final int b) throws IOException { } |
| }; |
| final BufferedOutputStream bos = IOUtils.buffer(os, 2048); |
| assertNotSame(os, bos); |
| assertSame(bos, IOUtils.buffer(bos)); |
| assertSame(bos, IOUtils.buffer(bos, 1024)); |
| } |
| |
| @Test public void testAsBufferedReader() { |
| final Reader is = new Reader() { |
| @Override |
| public int read(final char[] cbuf, final int off, final int len) throws IOException { |
| return 0; |
| } |
| @Override |
| public void close() throws IOException { } |
| }; |
| final BufferedReader bis = IOUtils.buffer(is); |
| assertNotSame(is, bis); |
| assertSame(bis, IOUtils.buffer(bis)); |
| } |
| |
| @Test public void testAsBufferedReaderWithBufferSize() { |
| final Reader r = new Reader() { |
| @Override |
| public int read(final char[] cbuf, final int off, final int len) throws IOException { |
| return 0; |
| } |
| @Override |
| public void close() throws IOException { } |
| }; |
| final BufferedReader br = IOUtils.buffer(r, 2048); |
| assertNotSame(r, br); |
| assertSame(br, IOUtils.buffer(br)); |
| assertSame(br, IOUtils.buffer(br, 1024)); |
| } |
| |
| @Test public void testAsBufferedWriter() { |
| final Writer is = new Writer() { |
| @Override |
| public void write(final int b) throws IOException { } |
| |
| @Override |
| public void write(final char[] cbuf, final int off, final int len) throws IOException { } |
| |
| @Override |
| public void flush() throws IOException { } |
| |
| @Override |
| public void close() throws IOException { } |
| }; |
| final BufferedWriter bis = IOUtils.buffer(is); |
| assertNotSame(is, bis); |
| assertSame(bis, IOUtils.buffer(bis)); |
| } |
| |
| @Test |
| public void testAsBufferedWriterWithBufferSize() { |
| final Writer w = new Writer() { |
| @Override |
| public void write(final int b) throws IOException { } |
| |
| @Override |
| public void write(final char[] cbuf, final int off, final int len) throws IOException { } |
| |
| @Override |
| public void flush() throws IOException { } |
| |
| @Override |
| public void close() throws IOException { } |
| }; |
| final BufferedWriter bw = IOUtils.buffer(w, 2024); |
| assertNotSame(w, bw); |
| assertSame(bw, IOUtils.buffer(bw)); |
| assertSame(bw, IOUtils.buffer(bw, 1024)); |
| } |
| |
| @Test |
| public void testAsWriterNull() { |
| assertThrows(NullPointerException.class, () -> IOUtils.writer(null)); |
| } |
| |
| @Test |
| public void testAsWriterStringBuilder() { |
| final Appendable a = new StringBuilder(); |
| final Writer w = IOUtils.writer(a); |
| assertNotSame(w, a); |
| assertEquals(StringBuilderWriter.class, w.getClass()); |
| assertSame(w, IOUtils.writer(w)); |
| } |
| |
| @Test |
| public void testAsWriterAppendable() { |
| final Appendable a = new StringBuffer(); |
| final Writer w = IOUtils.writer(a); |
| assertNotSame(w, a); |
| assertEquals(AppendableWriter.class, w.getClass()); |
| assertSame(w, IOUtils.writer(w)); |
| } |
| |
| @Test |
| public void testCopyLarge_SkipWithInvalidOffset() throws IOException { |
| ByteArrayInputStream is = null; |
| ByteArrayOutputStream os = null; |
| try { |
| // Create streams |
| is = new ByteArrayInputStream(iarr); |
| os = new ByteArrayOutputStream(); |
| |
| // Test our copy method |
| assertEquals(100, IOUtils.copyLarge(is, os, -10, 100)); |
| final byte[] oarr = os.toByteArray(); |
| |
| // check that output length is correct |
| assertEquals(100, oarr.length); |
| // check that output data corresponds to input data |
| assertEquals(1, oarr[1]); |
| assertEquals(79, oarr[79]); |
| assertEquals(-1, oarr[80]); |
| |
| } finally { |
| IOUtils.closeQuietly(is); |
| IOUtils.closeQuietly(os); |
| } |
| } |
| |
| } |
