| /************************************************************************* |
| /* RandomAccessFileTest.java -- Tests RandomAccessFile's |
| /* |
| /* Copyright (c) 1998 Free Software Foundation, Inc. |
| /* Written by Aaron M. Renn (arenn@urbanophile.com) |
| /* |
| /* This program is free software; you can redistribute it and/or modify |
| /* it under the terms of the GNU General Public License as published |
| /* by the Free Software Foundation, either version 2 of the License, or |
| /* (at your option) any later version. |
| /* |
| /* This program is distributed in the hope that it will be useful, but |
| /* WITHOUT ANY WARRANTY; without even the implied warranty of |
| /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| /* GNU General Public License for more details. |
| /* |
| /* You should have received a copy of the GNU General Public License |
| /* along with this program; if not, write to the Free Software Foundation |
| /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| /*************************************************************************/ |
| |
| import java.io.*; |
| |
| // Write some data using DataOutput and read it using DataInput. |
| |
| public class RandomAccessFileTest |
| { |
| |
| public static void |
| runReadTest(String filename, int seq, String testname) |
| { |
| try |
| { |
| System.out.println("Test " + seq + ": " + testname); |
| |
| RandomAccessFile ras = new RandomAccessFile(filename, "r"); |
| |
| boolean passed = true; |
| |
| boolean b = ras.readBoolean(); |
| if (b != true) |
| { |
| passed = false; |
| System.out.println("Failed to read boolean. Expected true and got false"); |
| } |
| b = ras.readBoolean(); |
| if (b != false) |
| { |
| passed = false; |
| System.out.println("Failed to read boolean. Expected false and got true"); |
| } |
| byte bt = ras.readByte(); |
| if (bt != 8) |
| { |
| passed = false; |
| System.out.println("Failed to read byte. Expected 8 and got "+ bt); |
| } |
| bt = ras.readByte(); |
| if (bt != -122) |
| { |
| passed = false; |
| System.out.println("Failed to read byte. Expected -122 and got "+ bt); |
| } |
| char c = ras.readChar(); |
| if (c != 'a') |
| { |
| passed = false; |
| System.out.println("Failed to read char. Expected a and got " + c); |
| } |
| c = ras.readChar(); |
| if (c != '\uE2D2') |
| { |
| passed = false; |
| System.out.println("Failed to read char. Expected \\uE2D2 and got " + c); |
| } |
| short s = ras.readShort(); |
| if (s != 32000) |
| { |
| passed = false; |
| System.out.println("Failed to read short. Expected 32000 and got " + s); |
| } |
| int i = ras.readInt(); |
| if (i != 8675309) |
| { |
| passed = false; |
| System.out.println("Failed to read int. Expected 8675309 and got " + i); |
| } |
| long l = ras.readLong(); |
| if (l != 696969696969L) |
| { |
| passed = false; |
| System.out.println("Failed to read long. Expected 696969696969 and got " + l); |
| } |
| float f = ras.readFloat(); |
| if (!Float.toString(f).equals("3.1415")) |
| { |
| passed = false; |
| System.out.println("Failed to read float. Expected 3.1415 and got " + f); |
| } |
| double d = ras.readDouble(); |
| if (d != 999999999.999) |
| { |
| passed = false; |
| System.out.println("Failed to read double. Expected 999999999.999 and got " + d); |
| } |
| String str = ras.readUTF(); |
| if (!str.equals("Testing code is such a boring activity but it must be done")) |
| { |
| passed = false; |
| System.out.println("Read unexpected String: " + str); |
| } |
| str = ras.readUTF(); |
| if (!str.equals("a-->\u01FF\uA000\u6666\u0200RRR")) |
| { |
| passed = false; |
| System.out.println("Read unexpected String: " + str); |
| } |
| |
| if (passed) |
| System.out.println("PASSED: " + testname + " read test"); |
| else |
| System.out.println("FAILED: " + testname + " read test"); |
| } |
| catch (IOException e) |
| { |
| System.out.println("FAILED: " + testname + " read test: " + e); |
| } |
| |
| } |
| |
| public static void |
| main(String[] argv) |
| { |
| System.out.println("Started test of RandomAccessFile"); |
| |
| System.out.println("Test 1: RandomAccessFile write test"); |
| try |
| { |
| RandomAccessFile raf = new RandomAccessFile("dataoutput.out", "rw"); |
| |
| raf.writeBoolean(true); |
| raf.writeBoolean(false); |
| raf.writeByte((byte)8); |
| raf.writeByte((byte)-122); |
| raf.writeChar((char)'a'); |
| raf.writeChar((char)'\uE2D2'); |
| raf.writeShort((short)32000); |
| raf.writeInt((int)8675309); |
| raf.writeLong((long) 696969696969L); |
| raf.writeFloat((float)3.1415); |
| raf.writeDouble((double)999999999.999); |
| raf.writeUTF("Testing code is such a boring activity but it must be done"); |
| raf.writeUTF("a-->\u01FF\uA000\u6666\u0200RRR"); |
| raf.close(); |
| |
| // We'll find out if this was really right later, but conditionally |
| // report success for now |
| System.out.println("PASSED: RandomAccessFile write test"); |
| } |
| catch(IOException e) |
| { |
| System.out.println("FAILED: RandomAccessFile write test: " + e); |
| } |
| |
| runReadTest("dataoutput.out", 2, "Read of JCL written data file"); |
| runReadTest("dataoutput-jdk.out", 3, "Read of JDK written data file"); |
| |
| System.out.println("Test 2: Seek Test"); |
| try |
| { |
| RandomAccessFile raf = new RandomAccessFile("/etc/services", "r"); |
| |
| System.out.println("Length: " + raf.length()); |
| |
| raf.skipBytes(24); |
| if (raf.getFilePointer() != 24) |
| throw new IOException("Unexpected file pointer value " + |
| raf.getFilePointer()); |
| |
| raf.seek(0); |
| if (raf.getFilePointer() != 0) |
| throw new IOException("Unexpected file pointer value " + |
| raf.getFilePointer()); |
| |
| raf.seek(100); |
| if (raf.getFilePointer() != 100) |
| throw new IOException("Unexpected file pointer value " + |
| raf.getFilePointer()); |
| |
| System.out.println("PASSED: Seek Test"); |
| } |
| catch(IOException e) |
| { |
| System.out.println("FAILED: Seek Test: " + e); |
| } |
| |
| System.out.println("Test 3: Validation Test"); |
| boolean failed = false; |
| try |
| { |
| new RandomAccessFile("/vmlinuz", "rwx"); |
| System.out.println("Did not detect invalid mode"); |
| failed = true; |
| } |
| catch (IllegalArgumentException e) { ; } |
| catch (IOException e) { ; } |
| |
| try |
| { |
| new RandomAccessFile("/vmlinuz", "rw"); |
| System.out.println("Did not detect read only file opened for write"); |
| failed = true; |
| } |
| catch (IOException e) { ; } |
| |
| try |
| { |
| new RandomAccessFile("/sherlockholmes", "r"); |
| System.out.println("Did not detect non-existent file"); |
| failed = true; |
| } |
| catch (IOException e) { ; } |
| |
| try |
| { |
| RandomAccessFile raf = new RandomAccessFile("/etc/services", "r"); |
| raf.seek(raf.length()); |
| raf.write('\n'); |
| System.out.println("Did not detect invalid write operation on read only file"); |
| failed = true; |
| } |
| catch (IOException e) { ; } |
| |
| if (failed) |
| System.out.println("FAILED: Validation Test"); |
| else |
| System.out.println("PASSED: Validation Test"); |
| |
| /* |
| System.out.println("Test 4: Set File Length Rest"); |
| try |
| { |
| File f = new File("tmptmptmp"); |
| RandomAccessFile raf = new RandomAccessFile("tmptmptmp", "rw"); |
| |
| raf.setLength(50L); |
| if (raf.length() != 50) |
| throw new IOException("Bad length on extending file of " + raf.length()); |
| |
| raf.setLength(25L); |
| if (raf.length() != 25) |
| throw new IOException("Bad length on extending file of " + raf.length()); |
| |
| raf.close(); |
| f.delete(); |
| |
| System.out.println("PASSED: Set File Length Test"); |
| } |
| catch(IOException e) |
| { |
| System.out.println("FAILED: Set File Length Test: " + e); |
| (new File("tmptmptmp")).delete(); |
| } |
| */ |
| System.out.println("Finished test of RandomAccessFile"); |
| } // main |
| |
| } // class DataInputOutputTest |
| |