| /* |
| * 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.harmony.tests.java.io; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import junit.framework.TestCase; |
| |
| public class FileInputStreamTest extends TestCase { |
| |
| private String fileName; |
| |
| private java.io.InputStream is; |
| |
| private static final String INPUT = |
| "Test_All_Tests\n" + |
| "Test_BufferedInputStream\n" + |
| "Test_java_io_BufferedOutputStream\n" + |
| "Test_java_io_ByteArrayInputStream\n" + |
| "Test_java_io_ByteArrayOutputStream\n" + |
| "Test_java_io_DataInputStream\n" + |
| "Test_java_io_File\n" + |
| "Test_java_io_FileDescriptor\n" + |
| "Test_java_io_FileInputStream\n" + |
| "Test_java_io_FileNotFoundException\n" + |
| "Test_java_io_FileOutputStream\n" + |
| "Test_java_io_FilterInputStream\n" + |
| "Test_java_io_FilterOutputStream\n" + |
| "Test_java_io_InputStream\n" + |
| "Test_java_io_IOException\n" + |
| "Test_java_io_OutputStream\n" + |
| "Test_java_io_PrintStream\n" + |
| "Test_java_io_RandomAccessFile\n" + |
| "Test_java_io_SyncFailedException\n" + |
| "Test_java_lang_AbstractMethodError\n" + |
| "Test_java_lang_ArithmeticException\n" + |
| "Test_java_lang_ArrayIndexOutOfBoundsException\n" + |
| "Test_java_lang_ArrayStoreException\n" + |
| "Test_java_lang_Boolean\n" + |
| "Test_java_lang_Byte\n" + |
| "Test_java_lang_Character\n" + |
| "Test_All_Tests\n" + |
| "Test_BufferedInputStream\n" + |
| "Test_java_io_BufferedOutputStream\n" + |
| "Test_java_io_ByteArrayInputStream\n" + |
| "Test_java_io_ByteArrayOutputStream\n" + |
| "Test_java_io_DataInputStream\n" + |
| "Test_java_io_File\n" + |
| "Test_java_io_FileDescriptor\n" + |
| "Test_java_io_FileInputStream\n" + |
| "Test_java_io_FileNotFoundException\n" + |
| "Test_java_io_FileOutputStream\n" + |
| "Test_java_io_FilterInputStream\n" + |
| "Test_java_io_FilterOutputStream\n" + |
| "Test_java_io_InputStream\n" + |
| "Test_java_io_IOException\n" + |
| "Test_java_io_OutputStream\n" + |
| "Test_java_io_PrintStream\n" + |
| "Test_java_io_RandomAccessFile\n" + |
| "Test_java_io_SyncFailedException\n" + |
| "Test_java_lang_AbstractMethodError\n" + |
| "Test_java_lang_ArithmeticException\n" + |
| "Test_java_lang_ArrayIndexOutOfBoundsException\n" + |
| "Test_java_lang_ArrayStoreException\n" + |
| "Test_java_lang_Boolean\n" + |
| "Test_java_lang_Byte\n" + |
| "Test_java_lang_Character\n"; |
| |
| @Override |
| protected void setUp() throws IOException { |
| File f = File.createTempFile("FileInputStreamTest", "tst"); |
| |
| FileOutputStream fos = null; |
| try { |
| fos = new FileOutputStream(f.getAbsolutePath()); |
| fos.write(INPUT.getBytes(StandardCharsets.US_ASCII)); |
| } finally { |
| fos.close(); |
| } |
| |
| fileName = f.getAbsolutePath(); |
| } |
| |
| /** |
| * java.io.FileInputStream#FileInputStream(java.io.File) |
| */ |
| public void test_ConstructorLjava_io_File() throws IOException { |
| java.io.File f = new File(fileName); |
| is = new FileInputStream(f); |
| is.close(); |
| } |
| |
| /** |
| * java.io.FileInputStream#FileInputStream(java.io.FileDescriptor) |
| */ |
| public void test_ConstructorLjava_io_FileDescriptor() throws IOException { |
| FileOutputStream fos = new FileOutputStream(fileName); |
| FileInputStream fis = new FileInputStream(fos.getFD()); |
| fos.close(); |
| fis.close(); |
| } |
| |
| /** |
| * java.io.FileInputStream#FileInputStream(java.lang.String) |
| */ |
| public void test_ConstructorLjava_lang_String() throws IOException { |
| is = new FileInputStream(fileName); |
| is.close(); |
| } |
| |
| /** |
| * java.io.FileInputStream#FileInputStream(java.lang.String) |
| */ |
| public void test_ConstructorLjava_lang_String_I() throws IOException { |
| try { |
| is = new FileInputStream(""); |
| fail("should throw FileNotFoundException."); |
| } catch (FileNotFoundException e) { |
| // Expected |
| } finally { |
| if (is != null) { |
| is.close(); |
| } |
| } |
| try { |
| is = new FileInputStream(new File("")); |
| fail("should throw FileNotFoundException."); |
| } catch (FileNotFoundException e) { |
| // Expected |
| } finally { |
| if (is != null) { |
| is.close(); |
| } |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#available() |
| */ |
| public void test_available() throws IOException { |
| try { |
| is = new FileInputStream(fileName); |
| assertTrue(is.available() == INPUT.length()); |
| } finally { |
| try { |
| is.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| |
| public void test_close() throws IOException { |
| is = new FileInputStream(fileName); |
| is.close(); |
| try { |
| is.read(); |
| fail(); |
| } catch (IOException expected) { |
| } |
| } |
| |
| public void test_close_shared_fd() throws IOException { |
| // Regression test for HARMONY-6642 |
| FileInputStream fis1 = new FileInputStream(fileName); |
| FileInputStream fis2 = new FileInputStream(fis1.getFD()); |
| |
| try { |
| fis2.close(); |
| // Should not throw, since the FD is owned by fis1. |
| fis1.read(); |
| } finally { |
| try { |
| fis1.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#getFD() |
| */ |
| public void test_getFD() throws IOException { |
| FileInputStream fis = new FileInputStream(fileName); |
| assertTrue("Returned invalid fd", fis.getFD().valid()); |
| fis.close(); |
| assertTrue("Returned invalid fd", !fis.getFD().valid()); |
| } |
| |
| /** |
| * java.io.FileInputStream#read() |
| */ |
| public void test_read() throws IOException { |
| InputStreamReader isr = new InputStreamReader(new FileInputStream(fileName)); |
| int c = isr.read(); |
| isr.close(); |
| assertEquals(INPUT.charAt(0), c); |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[]) |
| */ |
| public void test_read$B() throws IOException { |
| byte[] buf1 = new byte[100]; |
| is = new FileInputStream(fileName); |
| is.skip(500); |
| is.read(buf1); |
| is.close(); |
| assertEquals(INPUT.substring(500, 600), |
| new String(buf1, 0, buf1.length, StandardCharsets.US_ASCII)); |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[], int, int) |
| */ |
| public void test_read$BII() throws IOException { |
| byte[] buf1 = new byte[100]; |
| is = new FileInputStream(fileName); |
| is.skip(500); |
| is.read(buf1, 0, buf1.length); |
| is.close(); |
| assertEquals(INPUT.substring(500, 600), |
| new String(buf1, 0, buf1.length, StandardCharsets.US_ASCII)); |
| |
| // Regression test for HARMONY-285 |
| File tmpFile = File.createTempFile("FileOutputStream", "tmp"); |
| FileInputStream in = new FileInputStream(tmpFile); |
| try { |
| in.read(null, 0, 0); |
| fail("Should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } finally { |
| in.close(); |
| tmpFile.delete(); |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[], int, int) |
| */ |
| public void test_read_$BII_IOException() throws IOException { |
| byte[] buf = new byte[1000]; |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, -1, 0); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, 0, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, -1, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, 0, 1001); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, 1001, 0); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, 500, 501); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.close(); |
| is.read(buf, 0, 100); |
| fail("should throw IOException"); |
| } catch (IOException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| |
| try { |
| is = new FileInputStream(fileName); |
| is.close(); |
| is.read(buf, 0, 0); |
| } finally { |
| is.close(); |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[], int, int) |
| */ |
| public void test_read_$BII_NullPointerException() throws IOException { |
| byte[] buf = null; |
| try { |
| is = new FileInputStream(fileName); |
| is.read(buf, -1, 0); |
| fail("should throw NullPointerException"); |
| } catch (NullPointerException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[], int, int) |
| */ |
| public void test_read_$BII_IndexOutOfBoundsException() throws IOException { |
| byte[] buf = new byte[1000]; |
| try { |
| is = new FileInputStream(fileName); |
| is.close(); |
| is.read(buf, -1, -1); |
| fail("should throw IndexOutOfBoundsException"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } finally { |
| is.close(); |
| } |
| } |
| |
| /** |
| * java.io.FileInputStream#skip(long) |
| */ |
| public void test_skipJ() throws IOException { |
| byte[] buf1 = new byte[10]; |
| is = new FileInputStream(fileName); |
| is.skip(1000); |
| is.read(buf1, 0, buf1.length); |
| is.close(); |
| assertEquals(INPUT.substring(1000, 1010), |
| new String(buf1, 0, buf1.length, StandardCharsets.US_ASCII)); |
| |
| } |
| |
| /** |
| * java.io.FileInputStream#read(byte[], int, int)) |
| */ |
| public void test_regressionNNN() throws IOException { |
| // Regression for HARMONY-434 |
| FileInputStream fis = new FileInputStream(fileName); |
| |
| try { |
| fis.read(new byte[1], -1, 1); |
| fail("IndexOutOfBoundsException must be thrown if off <0"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| fis.read(new byte[1], 0, -1); |
| fail("IndexOutOfBoundsException must be thrown if len <0"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| fis.read(new byte[1], 0, 5); |
| fail("IndexOutOfBoundsException must be thrown if off+len > b.length"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| fis.read(new byte[10], Integer.MAX_VALUE, 5); |
| fail("IndexOutOfBoundsException expected"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| |
| try { |
| fis.read(new byte[10], 5, Integer.MAX_VALUE); |
| fail("IndexOutOfBoundsException expected"); |
| } catch (IndexOutOfBoundsException e) { |
| // Expected |
| } |
| fis.close(); |
| } |
| |
| /** |
| * java.io.FileInputStream#skip(long) |
| */ |
| public void test_skipNegativeArgumentJ() throws IOException { |
| FileInputStream fis = new FileInputStream(fileName); |
| try { |
| fis.skip(-5); |
| fail("IOException must be thrown if number of bytes to skip <0"); |
| } catch (IOException e) { |
| // Expected IOException |
| } finally { |
| fis.close(); |
| } |
| } |
| |
| public void test_getChannel() throws Exception { |
| FileInputStream fis = new FileInputStream(fileName); |
| assertEquals(0, fis.getChannel().position()); |
| int r; |
| int count = 1; |
| while ((r = fis.read()) != -1) { |
| assertEquals(count++, fis.getChannel().position()); |
| } |
| fis.close(); |
| |
| try { |
| fis.getChannel().position(); |
| fail("should throw ClosedChannelException"); |
| } catch (java.nio.channels.ClosedChannelException e) { |
| // Expected |
| } |
| |
| fis = new FileInputStream(fileName); |
| assertEquals(0, fis.getChannel().position()); |
| byte[] bs = new byte[10]; |
| r = fis.read(bs); |
| assertEquals(10, fis.getChannel().position()); |
| fis.close(); |
| |
| fis = new FileInputStream(fileName); |
| assertEquals(0, fis.getChannel().position()); |
| bs = new byte[10]; |
| fis.skip(100); |
| assertEquals(100, fis.getChannel().position()); |
| r = fis.read(bs); |
| assertEquals(110, fis.getChannel().position()); |
| fis.close(); |
| } |
| } |