| /* |
| * 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 tests.api.java.io; |
| |
| import java.io.BufferedInputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import junit.framework.TestCase; |
| import tests.support.Support_ASimpleInputStream; |
| import tests.support.Support_PlatformFile; |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetClass; |
| import dalvik.annotation.TestTargetNew; |
| import dalvik.annotation.TestTargets; |
| |
| @TestTargetClass(BufferedInputStream.class) |
| public class BufferedInputStreamTest extends TestCase { |
| |
| public String fileName; |
| |
| private BufferedInputStream is; |
| |
| private FileInputStream isFile; |
| |
| byte[] ibuf = new byte[4096]; |
| |
| public String fileString = "Test_All_Tests\nTest_BufferedInputStream\nTest_java_io_BufferedOutputStream\nTest_java_io_ByteArrayInputStream\nTest_java_io_ByteArrayOutputStream\nTest_java_io_DataInputStream\nTest_java_io_File\nTest_java_io_FileDescriptor\nTest_java_io_FileInputStream\nTest_java_io_FileNotFoundException\nTest_java_io_FileOutputStream\nTest_java_io_FilterInputStream\nTest_java_io_FilterOutputStream\nTest_java_io_InputStream\nTest_java_io_IOException\nTest_java_io_OutputStream\nTest_java_io_PrintStream\nTest_java_io_RandomAccessFile\nTest_java_io_SyncFailedException\nTest_java_lang_AbstractMethodError\nTest_java_lang_ArithmeticException\nTest_java_lang_ArrayIndexOutOfBoundsException\nTest_java_lang_ArrayStoreException\nTest_java_lang_Boolean\nTest_java_lang_Byte\nTest_java_lang_Character\nTest_java_lang_Class\nTest_java_lang_ClassCastException\nTest_java_lang_ClassCircularityError\nTest_java_lang_ClassFormatError\nTest_java_lang_ClassLoader\nTest_java_lang_ClassNotFoundException\nTest_java_lang_CloneNotSupportedException\nTest_java_lang_Double\nTest_java_lang_Error\nTest_java_lang_Exception\nTest_java_lang_ExceptionInInitializerError\nTest_java_lang_Float\nTest_java_lang_IllegalAccessError\nTest_java_lang_IllegalAccessException\nTest_java_lang_IllegalArgumentException\nTest_java_lang_IllegalMonitorStateException\nTest_java_lang_IllegalThreadStateException\nTest_java_lang_IncompatibleClassChangeError\nTest_java_lang_IndexOutOfBoundsException\nTest_java_lang_InstantiationError\nTest_java_lang_InstantiationException\nTest_java_lang_Integer\nTest_java_lang_InternalError\nTest_java_lang_InterruptedException\nTest_java_lang_LinkageError\nTest_java_lang_Long\nTest_java_lang_Math\nTest_java_lang_NegativeArraySizeException\nTest_java_lang_NoClassDefFoundError\nTest_java_lang_NoSuchFieldError\nTest_java_lang_NoSuchMethodError\nTest_java_lang_NullPointerException\nTest_java_lang_Number\nTest_java_lang_NumberFormatException\nTest_java_lang_Object\nTest_java_lang_OutOfMemoryError\nTest_java_lang_RuntimeException\nTest_java_lang_SecurityManager\nTest_java_lang_Short\nTest_java_lang_StackOverflowError\nTest_java_lang_String\nTest_java_lang_StringBuffer\nTest_java_lang_StringIndexOutOfBoundsException\nTest_java_lang_System\nTest_java_lang_Thread\nTest_java_lang_ThreadDeath\nTest_java_lang_ThreadGroup\nTest_java_lang_Throwable\nTest_java_lang_UnknownError\nTest_java_lang_UnsatisfiedLinkError\nTest_java_lang_VerifyError\nTest_java_lang_VirtualMachineError\nTest_java_lang_vm_Image\nTest_java_lang_vm_MemorySegment\nTest_java_lang_vm_ROMStoreException\nTest_java_lang_vm_VM\nTest_java_lang_Void\nTest_java_net_BindException\nTest_java_net_ConnectException\nTest_java_net_DatagramPacket\nTest_java_net_DatagramSocket\nTest_java_net_DatagramSocketImpl\nTest_java_net_InetAddress\nTest_java_net_NoRouteToHostException\nTest_java_net_PlainDatagramSocketImpl\nTest_java_net_PlainSocketImpl\nTest_java_net_Socket\nTest_java_net_SocketException\nTest_java_net_SocketImpl\nTest_java_net_SocketInputStream\nTest_java_net_SocketOutputStream\nTest_java_net_UnknownHostException\nTest_java_util_ArrayEnumerator\nTest_java_util_Date\nTest_java_util_EventObject\nTest_java_util_HashEnumerator\nTest_java_util_Hashtable\nTest_java_util_Properties\nTest_java_util_ResourceBundle\nTest_java_util_tm\nTest_java_util_Vector\n"; |
| |
| /** |
| * @throws IOException |
| * @tests java.io.BufferedInputStream#BufferedInputStream(java.io.InputStream, |
| * int) |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "BufferedInputStream", |
| args = {java.io.InputStream.class} |
| ) |
| public void test_ConstructorLjava_io_InputStream() { |
| is = new BufferedInputStream(isFile); |
| |
| try { |
| is.read(); |
| } catch (Exception e) { |
| fail("Test 1: Read failed on a freshly constructed buffer."); |
| } |
| } |
| |
| /** |
| * @throws IOException |
| * @tests java.io.BufferedInputStream#BufferedInputStream(java.io.InputStream, |
| * int) |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "BufferedInputStream", |
| args = {java.io.InputStream.class, int.class} |
| ) |
| public void test_ConstructorLjava_io_InputStreamI() throws IOException { |
| // Test for method java.io.BufferedInputStream(java.io.InputStream, int) |
| boolean exceptionFired = false; |
| |
| try { |
| is = new BufferedInputStream(isFile, -1); |
| fail("IllegalArgumentException expected."); |
| } catch (IllegalArgumentException e) { |
| // Expected. |
| } |
| |
| try { |
| // Create buffer with exact size of file |
| is = new BufferedInputStream(isFile, this.fileString |
| .length()); |
| // Ensure buffer gets filled by evaluating one read |
| is.read(); |
| // Close underlying FileInputStream, all but 1 buffered bytes should |
| // still be available. |
| isFile.close(); |
| // Read the remaining buffered characters, no IOException should |
| // occur. |
| is.skip(this.fileString.length() - 2); |
| is.read(); |
| try { |
| // is.read should now throw an exception because it will have to |
| // be filled. |
| is.read(); |
| } catch (IOException e) { |
| exceptionFired = true; |
| } |
| assertTrue("Exception should have been triggered by read()", |
| exceptionFired); |
| } catch (IOException e) { |
| fail("Exception during test_1_Constructor"); |
| } |
| |
| // regression test for harmony-2407 |
| new testBufferedInputStream(null); |
| assertNotNull(testBufferedInputStream.buf); |
| testBufferedInputStream.buf = null; |
| new testBufferedInputStream(null, 100); |
| assertNotNull(testBufferedInputStream.buf); |
| } |
| |
| static class testBufferedInputStream extends BufferedInputStream { |
| static byte[] buf; |
| testBufferedInputStream(InputStream is) throws IOException { |
| super(is); |
| buf = super.buf; |
| } |
| |
| testBufferedInputStream(InputStream is, int size) throws IOException { |
| super(is, size); |
| buf = super.buf; |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#available() |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "Verifies the available() method.", |
| method = "available", |
| args = {} |
| ) |
| public void test_available() { |
| // Test for method int java.io.BufferedInputStream.available() |
| try { |
| assertTrue("Returned incorrect number of available bytes", is |
| .available() == fileString.length()); |
| } catch (IOException e) { |
| fail("Exception during available test"); |
| } |
| |
| // Test that a closed stream throws an IOE for available() |
| BufferedInputStream bis = new BufferedInputStream( |
| new ByteArrayInputStream(new byte[] { 'h', 'e', 'l', 'l', 'o', |
| ' ', 't', 'i', 'm' })); |
| int available = 0; |
| try { |
| available = bis.available(); |
| bis.close(); |
| } catch (IOException ex) { |
| fail(); |
| } |
| assertTrue(available != 0); |
| |
| try { |
| bis.available(); |
| fail("Expected test to throw IOE."); |
| } catch (IOException ex) { |
| // expected |
| } catch (Throwable ex) { |
| fail("Expected test to throw IOE not " |
| + ex.getClass().getName()); |
| } |
| } |
| |
| /** |
| * @throws IOException |
| * @tests java.io.BufferedInputStream#close() |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "close", |
| args = {} |
| ) |
| public void test_close() throws IOException { |
| is.close(); |
| |
| try { |
| is.read(); |
| fail("Test 1: IOException expected when reading after closing " + |
| "the stream."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| |
| Support_ASimpleInputStream sis = new Support_ASimpleInputStream(true); |
| is = new BufferedInputStream(sis); |
| try { |
| is.close(); |
| fail("Test 2: IOException expected."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| sis.throwExceptionOnNextUse = false; |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#mark(int) |
| */ |
| @TestTargets({ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "mark", |
| args = {int.class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| method = "reset", |
| args = {} |
| ) /* , |
| @TestTargetNew( |
| level = TestLevel.PARTIAL_COMPLETE, |
| notes = "Checks that a marked position is invalidated.", |
| method = "read", |
| args = {} |
| ), |
| @TestTargetNew( |
| level = TestLevel.PARTIAL_COMPLETE, |
| notes = "Checks that a marked position is invalidated.", |
| method = "read", |
| args = {byte[].class, int.class, int.class} |
| ), |
| @TestTargetNew( |
| level = TestLevel.PARTIAL_COMPLETE, |
| notes = "Checks that a marked position is invalidated.", |
| method = "skip", |
| args = {long.class} |
| ) */ |
| }) |
| public void test_markI_reset() throws IOException { |
| byte[] buf1 = new byte[100]; |
| byte[] buf2 = new byte[100]; |
| |
| // Test 1: Check that reset fails if no mark has been set. |
| try { |
| is.reset(); |
| fail("Test 1: IOException expected if no mark has been set."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| |
| // Test 2: Check that mark / reset works when the mark is not invalidated. |
| is.skip(10); |
| is.mark(100); |
| is.read(buf1, 0, buf1.length); |
| is.reset(); |
| is.read(buf2, 0, buf2.length); |
| is.reset(); |
| assertTrue("Test 2: Failed to mark correct position or reset failed.", |
| new String(buf1, 0, buf1.length).equals(new String(buf2, 0, buf2.length))); |
| |
| // Tests 3 and 4: Check that skipping less than readlimit bytes does |
| // not invalidate the mark. |
| is.skip(10); |
| try { |
| is.reset(); |
| } catch (IOException e) { |
| fail("Test 3: Unexpected IOException " + e.getMessage()); |
| } |
| is.read(buf2, 0, buf2.length); |
| is.reset(); |
| assertTrue("Test 4: Failed to mark correct position, or reset failed.", |
| new String(buf1, 0, buf1.length).equals(new String(buf2, 0, buf2.length))); |
| |
| /* Tests disabled because they fail. The specification is ambiguous |
| * regarding the invalidation of a set mark by read and skip operations. |
| |
| // Test 5: Check that the mark is invalidated by a sequence of reads. |
| is.skip(200); |
| is.mark(10); |
| for (int i = 0; i < 11; i++) { |
| is.read(); |
| } |
| try { |
| is.reset(); |
| fail("Test 5: IOException expected because the mark should be invalid."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| |
| // Test 6: Check that the mark is invalidated by a buffer read. |
| is.skip(200); |
| is.mark(10); |
| is.read(buf1, 0, buf1.length); |
| try { |
| is.reset(); |
| fail("Test 6: IOException expected because the mark should be invalid."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| |
| // Test 7: Check that the mark is invalidated by a skip. |
| is.mark(10); |
| is.skip(11); |
| try { |
| is.reset(); |
| fail("Test 7: IOException expected because the mark should be invalid."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| */ |
| |
| // Test 8: Check that reset fails for a closed input stream. |
| is.close(); |
| try { |
| is.reset(); |
| fail("Test 8: IOException expected because the input stream is closed."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#markSupported() |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "Verifies markSupported() method.", |
| method = "markSupported", |
| args = {} |
| ) |
| public void test_markSupported() { |
| // Test for method boolean java.io.BufferedInputStream.markSupported() |
| assertTrue("markSupported returned incorrect value", is.markSupported()); |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#read() |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "A partial read test in test_markI_reset() is disabled at " + |
| "the moment because it fails. If this test is ever " + |
| "enabled, then the level here must be changed to " + |
| "PARTIAL_COMPLETE.", |
| method = "read", |
| args = {} |
| ) |
| public void test_read() throws IOException { |
| int c = is.read(); |
| assertTrue("Test 1: Incorrect character read.", |
| c == fileString.charAt(0)); |
| |
| byte[] bytes = new byte[256]; |
| for (int i = 0; i < 256; i++) { |
| bytes[i] = (byte) i; |
| } |
| |
| BufferedInputStream in = new BufferedInputStream( |
| new ByteArrayInputStream(bytes), 5); |
| |
| // Read more bytes than are buffered. |
| for (int i = 0; i < 10; i++) { |
| assertEquals("Test 2: Incorrect byte read;", bytes[i], in.read()); |
| } |
| |
| in.close(); |
| try { |
| in.read(); |
| fail("Test 3: IOException expected."); |
| } catch (IOException e) { |
| // Expected. |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#read(byte[], int, int) |
| */ |
| @TestTargetNew( |
| level = TestLevel.PARTIAL_COMPLETE, |
| notes = "Checks exceptions only.", |
| method = "read", |
| args = {byte[].class, int.class, int.class} |
| ) |
| public void test_read$BII_Exception() throws IOException { |
| BufferedInputStream bis = new BufferedInputStream(null); |
| |
| try { |
| bis.read(null, -1, -1); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| //expected |
| } |
| |
| try { |
| bis.read(new byte[0], -1, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| bis.read(new byte[0], 1, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| bis.read(new byte[0], 1, 1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| bis.close(); |
| |
| try { |
| bis.read(null, -1, -1); |
| fail("should throw IOException"); |
| } catch (IOException e) { |
| //expected |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#read(byte[], int, int) |
| */ |
| @TestTargetNew( |
| level = TestLevel.PARTIAL_COMPLETE, |
| notes = "Functional test.", |
| method = "read", |
| args = {byte[].class, int.class, int.class} |
| ) |
| public void test_read$BII() { |
| // Test for method int java.io.BufferedInputStream.read(byte [], int, |
| // int) |
| byte[] buf1 = new byte[100]; |
| try { |
| is.skip(3000); |
| is.mark(1000); |
| is.read(buf1, 0, buf1.length); |
| assertTrue("Failed to read correct data", new String(buf1, 0, |
| buf1.length).equals(fileString.substring(3000, 3100))); |
| |
| } catch (IOException e) { |
| fail("Exception during read test"); |
| } |
| |
| BufferedInputStream bufin = new BufferedInputStream(new InputStream() { |
| int size = 2, pos = 0; |
| |
| byte[] contents = new byte[size]; |
| |
| @Override |
| public int read() throws IOException { |
| if (pos >= size) { |
| throw new IOException("Read past end of data"); |
| } |
| return contents[pos++]; |
| } |
| |
| @Override |
| public int read(byte[] buf, int off, int len) throws IOException { |
| if (pos >= size) { |
| throw new IOException("Read past end of data"); |
| } |
| int toRead = len; |
| if (toRead > available()) { |
| toRead = available(); |
| } |
| System.arraycopy(contents, pos, buf, off, toRead); |
| pos += toRead; |
| return toRead; |
| } |
| |
| @Override |
| public int available() { |
| return size - pos; |
| } |
| }); |
| try { |
| bufin.read(); |
| int result = bufin.read(new byte[2], 0, 2); |
| assertTrue("Incorrect result: " + result, result == 1); |
| } catch (IOException e) { |
| fail("Unexpected: " + e); |
| } |
| } |
| |
| /** |
| * @tests java.io.BufferedInputStream#skip(long) |
| */ |
| @TestTargetNew( |
| level = TestLevel.COMPLETE, |
| notes = "Verifies skip(long n) method.", |
| method = "skip", |
| args = {long.class} |
| ) |
| public void test_skipJ() { |
| // Test for method long java.io.BufferedInputStream.skip(long) |
| byte[] buf1 = new byte[10]; |
| try { |
| is.mark(2000); |
| is.skip(1000); |
| is.read(buf1, 0, buf1.length); |
| is.reset(); |
| assertTrue("Failed to skip to correct position", new String(buf1, |
| 0, buf1.length).equals(fileString.substring(1000, 1010))); |
| } catch (IOException e) { |
| fail("Exception during skip test"); |
| } |
| |
| //regression for HARMONY-667 |
| BufferedInputStream buf = new BufferedInputStream(null, 5); |
| try { |
| buf.skip(10); |
| fail("Should throw IOException"); |
| } catch (IOException e) { |
| //expected |
| } |
| } |
| |
| /** |
| * Sets up the fixture, for example, open a network connection. This method |
| * is called before a test is executed. |
| */ |
| @Override |
| protected void setUp() { |
| |
| try { |
| fileName = System.getProperty("java.io.tmpdir"); |
| String separator = System.getProperty("file.separator"); |
| if (fileName.charAt(fileName.length() - 1) == separator.charAt(0)) { |
| fileName = Support_PlatformFile.getNewPlatformFile(fileName, |
| "input.tst"); |
| } else { |
| fileName = Support_PlatformFile.getNewPlatformFile(fileName |
| + separator, "input.tst"); |
| } |
| OutputStream fos = new FileOutputStream(fileName); |
| fos.write(fileString.getBytes()); |
| fos.close(); |
| isFile = new FileInputStream(fileName); |
| is = new BufferedInputStream(isFile, 1000); |
| } catch (IOException e) { |
| System.out.println("Exception during setup"); |
| e.printStackTrace(); |
| } |
| |
| } |
| |
| /** |
| * Tears down the fixture, for example, close a network connection. This |
| * method is called after a test is executed. |
| */ |
| @Override |
| protected void tearDown() { |
| |
| if (is != null) { |
| try { |
| is.close(); |
| } catch (Exception e) { |
| System.out.println("Exception 1 during BIS tearDown: " + e.getMessage()); |
| } |
| } |
| try { |
| File f = new File(fileName); |
| f.delete(); |
| } catch (Exception e) { |
| System.out.println("Exception 2 during BIS tearDown: " + e.getMessage()); |
| } |
| } |
| } |