Examples with RandomAccessFile java.io.RandomAccessFile used on opensource projects

Example 36 with RandomAccessFile

use of java.io.RandomAccessFile in project j2objc by google.

the class OldRandomAccessFileTest method test_readFully$B_writeBytesLjava_lang_String.

/**
     * java.io.RandomAccessFile#writeBytes(java.lang.String)
     * java.io.RandomAccessFile#readFully(byte[])
     */
public void test_readFully$B_writeBytesLjava_lang_String() throws IOException {
    byte[] buf = new byte[testLength];
    RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
    raf.writeBytes(testString);
    raf.seek(0);
    try {
        raf.readFully(null);
        fail("Test 1: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
    raf.readFully(buf);
    assertEquals("Test 2: Incorrect bytes written or read;", testString, new String(buf));
    try {
        raf.readFully(buf);
        fail("Test 3: EOFException expected.");
    } catch (EOFException e) {
    // Expected.
    }
    raf.close();
    try {
        raf.writeBytes("Already closed.");
        fail("Test 4: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
    try {
        raf.readFully(buf);
        fail("Test 5: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
}

Example 37 with RandomAccessFile

use of java.io.RandomAccessFile in project j2objc by google.

the class OldRandomAccessFileTest method test_seekJ.

/**
     * java.io.RandomAccessFile#seek(long)
     */
public void test_seekJ() throws IOException {
    // Test for method void java.io.RandomAccessFile.seek(long)
    RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
    try {
        raf.seek(-1);
        fail("Test 1: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
    raf.write(testString.getBytes(), 0, testLength);
    raf.seek(12);
    assertEquals("Test 3: Seek failed to set file pointer.", 12, raf.getFilePointer());
    raf.close();
    try {
        raf.seek(1);
        fail("Test 4: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
}

Example 38 with RandomAccessFile

use of java.io.RandomAccessFile in project j2objc by google.

the class OldRandomAccessFileTest method test_ConstructorLjava_io_FileLjava_lang_String.

/**
     * java.io.RandomAccessFile#RandomAccessFile(java.io.File,
     *        java.lang.String)
     */
public void test_ConstructorLjava_io_FileLjava_lang_String() throws Exception {
    RandomAccessFile raf = null;
    File tmpFile = new File(fileName);
    try {
        raf = new java.io.RandomAccessFile(tmpFile, "r");
        fail("Test 1: FileNotFoundException expected.");
    } catch (FileNotFoundException e) {
    // Expected.
    } catch (IllegalArgumentException e) {
        fail("Test 2: Unexpected IllegalArgumentException: " + e.getMessage());
    }
    tmpFile.createNewFile();
    try {
        // Checking the remaining valid mode parameters.
        try {
            raf = new java.io.RandomAccessFile(tmpFile, "rwd");
        } catch (IllegalArgumentException e) {
            fail("Test 3: Unexpected IllegalArgumentException: " + e.getMessage());
        }
        raf.close();
        try {
            raf = new java.io.RandomAccessFile(tmpFile, "rws");
        } catch (IllegalArgumentException e) {
            fail("Test 4: Unexpected IllegalArgumentException: " + e.getMessage());
        }
        raf.close();
        try {
            raf = new java.io.RandomAccessFile(tmpFile, "rw");
        } catch (IllegalArgumentException e) {
            fail("Test 5: Unexpected IllegalArgumentException: " + e.getMessage());
        }
        raf.close();
        // Checking an invalid mode parameter.
        try {
            raf = new java.io.RandomAccessFile(tmpFile, "i");
            fail("Test 6: IllegalArgumentException expected.");
        } catch (IllegalArgumentException e) {
        // Expected.
        }
    } finally {
        if (raf != null)
            raf.close();
        tmpFile.delete();
    }
}

Example 39 with RandomAccessFile

use of java.io.RandomAccessFile in project j2objc by google.

the class OldRandomAccessFileTest method test_readUnsignedShort.

/**
     * java.io.RandomAccessFile#readUnsignedShort()
     */
public void test_readUnsignedShort() throws IOException {
    RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
    raf.writeShort(-1);
    raf.seek(0);
    assertEquals("Test 1: Incorrect value written or read;", 65535, raf.readUnsignedShort());
    try {
        raf.readUnsignedShort();
        fail("Test 2: EOFException expected.");
    } catch (EOFException e) {
    // Expected.
    }
    raf.close();
    try {
        raf.readUnsignedShort();
        fail("Test 3: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
}

Example 40 with RandomAccessFile

use of java.io.RandomAccessFile in project j2objc by google.

the class OldRandomAccessFileTest method test_skipBytesI.

/**
     * java.io.RandomAccessFile#skipBytes(int)
     */
public void test_skipBytesI() throws IOException {
    byte[] buf = new byte[5];
    RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
    raf.writeBytes("HelloWorld");
    raf.seek(0);
    assertTrue("Test 1: Nothing should be skipped if parameter is less than zero", raf.skipBytes(-1) == 0);
    assertEquals("Test 4: Incorrect number of bytes skipped; ", 5, raf.skipBytes(5));
    raf.readFully(buf);
    assertEquals("Test 3: Failed to skip bytes.", "World", new String(buf, 0, 5));
    raf.seek(0);
    assertEquals("Test 4: Incorrect number of bytes skipped; ", 10, raf.skipBytes(20));
    raf.close();
    try {
        raf.skipBytes(1);
        fail("Test 5: IOException expected.");
    } catch (IOException e) {
    // Expected.
    }
}