Examples with ShortBuffer java.nio.ShortBuffer used on opensource projects

Example 31 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class StructTest method testStructWithArrayShortArrayAsBuffer.

@Test
public void testStructWithArrayShortArrayAsBuffer() {
    assertEquals(192, StructWithArray.sizeOf());
    final int D1 = 24;
    StructWithArray s = new StructWithArray();
    ShortPtr p = s.shortArrayAsPtr();
    ShortBuffer b1;
    ShortBuffer b2;
    ShortBuffer b3;
    for (int i = 0; i < D1; i++) {
        p.next(i).set((short) (i + 1));
    }
    b1 = s.shortArrayAsBuffer();
    assertEquals(D1, b1.capacity());
    assertEquals(D1, b1.limit());
    assertEquals(0, b1.position());
    for (int i = 0; i < D1; i++) {
        assertEquals(i + 1, b1.get(i));
    }
    b2 = ByteBuffer.allocateDirect(D1 * 2).order(ByteOrder.nativeOrder()).asShortBuffer();
    for (int i = 0; i < D1; i++) {
        b2.put(i, (short) (2 * (i + 1)));
    }
    s.shortArrayAsBuffer(b2);
    for (int i = 0; i < D1; i++) {
        assertEquals(2 * (i + 1), p.next(i).get() & 0xffff);
    }
    b3 = ShortBuffer.allocate(D1);
    assertFalse(b3.isDirect());
    for (int i = 0; i < D1; i++) {
        b3.put(i, (short) (3 * (i + 1)));
    }
    s.shortArrayAsBuffer(b3);
    for (int i = 0; i < D1; i++) {
        assertEquals(3 * (i + 1), p.next(i).get() & 0xffff);
    }
    try {
        s.shortArrayAsBuffer(ShortBuffer.allocate(D1 / 2));
        fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    }
}

Example 32 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class ByteBufferTest method testAsShortBuffer.

public void testAsShortBuffer() {
    ShortBuffer shortBuffer;
    byte[] bytes = new byte[2];
    short value;
    // test BIG_ENDIAN short buffer, read
    buf.clear();
    buf.order(ByteOrder.BIG_ENDIAN);
    shortBuffer = buf.asShortBuffer();
    assertSame(ByteOrder.BIG_ENDIAN, shortBuffer.order());
    while (shortBuffer.remaining() > 0) {
        buf.get(bytes);
        value = shortBuffer.get();
        assertEquals(bytes2short(bytes, buf.order()), value);
    }
    // test LITTLE_ENDIAN short buffer, read
    buf.clear();
    buf.order(ByteOrder.LITTLE_ENDIAN);
    shortBuffer = buf.asShortBuffer();
    assertSame(ByteOrder.LITTLE_ENDIAN, shortBuffer.order());
    while (shortBuffer.remaining() > 0) {
        buf.get(bytes);
        value = shortBuffer.get();
        assertEquals(bytes2short(bytes, buf.order()), value);
    }
    if (!buf.isReadOnly()) {
        // test BIG_ENDIAN short buffer, write
        buf.clear();
        buf.order(ByteOrder.BIG_ENDIAN);
        shortBuffer = buf.asShortBuffer();
        assertSame(ByteOrder.BIG_ENDIAN, shortBuffer.order());
        while (shortBuffer.remaining() > 0) {
            value = (short) shortBuffer.remaining();
            shortBuffer.put(value);
            buf.get(bytes);
            assertTrue(Arrays.equals(bytes, short2bytes(value, buf.order())));
        }
        // test LITTLE_ENDIAN short buffer, write
        buf.clear();
        buf.order(ByteOrder.LITTLE_ENDIAN);
        shortBuffer = buf.asShortBuffer();
        assertSame(ByteOrder.LITTLE_ENDIAN, shortBuffer.order());
        while (shortBuffer.remaining() > 0) {
            value = (short) shortBuffer.remaining();
            shortBuffer.put(value);
            buf.get(bytes);
            assertTrue(Arrays.equals(bytes, short2bytes(value, buf.order())));
        }
    }
    buf.clear();
    buf.order(ByteOrder.BIG_ENDIAN);
}

Example 33 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class ShortBufferTest method testPutintshort.

/*
     * Class under test for java.nio.ShortBuffer put(int, short)
     */
public void testPutintshort() {
    buf.clear();
    for (int i = 0; i < buf.capacity(); i++) {
        assertEquals(buf.position(), 0);
        ShortBuffer ret = buf.put(i, (short) i);
        assertEquals(buf.get(i), (short) i);
        assertSame(ret, buf);
    }
    try {
        buf.put(-1, (short) 0);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        buf.put(buf.limit(), (short) 0);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
}

Example 34 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class ShortBufferTest method testPutshortArrayintint.

/*
     * Class under test for java.nio.ShortBuffer put(short[], int, int)
     */
public void testPutshortArrayintint() {
    buf.clear();
    short[] array = new short[buf.capacity()];
    try {
        buf.put(new short[buf.capacity() + 1], 0, buf.capacity() + 1);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (BufferOverflowException e) {
    // expected
    }
    assertEquals(buf.position(), 0);
    try {
        buf.put(array, -1, array.length);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        buf.put(array, array.length + 1, 0);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    buf.put(array, array.length, 0);
    assertEquals(buf.position(), 0);
    try {
        buf.put(array, 0, -1);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        buf.put((short[]) null, 0, -1);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (NullPointerException e) {
    // expected
    }
    try {
        buf.put(array, 2, array.length);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        buf.put(array, Integer.MAX_VALUE, 1);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        buf.put(array, 1, Integer.MAX_VALUE);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (BufferOverflowException expected) {
    } catch (IndexOutOfBoundsException expected) {
    }
    assertEquals(buf.position(), 0);
    loadTestData2(array, 0, array.length);
    ShortBuffer ret = buf.put(array, 0, array.length);
    assertEquals(buf.position(), buf.capacity());
    assertContentEquals(buf, array, 0, array.length);
    assertSame(ret, buf);
}

Example 35 with ShortBuffer

use of java.nio.ShortBuffer in project robovm by robovm.

the class ShortBufferTest method testPutshortArray.

/*
     * Class under test for java.nio.ShortBuffer put(short[])
     */
public void testPutshortArray() {
    short[] array = new short[1];
    buf.clear();
    for (int i = 0; i < buf.capacity(); i++) {
        assertEquals(buf.position(), i);
        array[0] = (short) i;
        ShortBuffer ret = buf.put(array);
        assertEquals(buf.get(i), (short) i);
        assertSame(ret, buf);
    }
    try {
        buf.put(array);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (BufferOverflowException e) {
    // expected
    }
    try {
        buf.position(buf.limit());
        buf.put((short[]) null);
        //$NON-NLS-1$
        fail("Should throw Exception");
    } catch (NullPointerException e) {
    // expected
    }
}