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

Example 76 with DoubleBuffer

use of java.nio.DoubleBuffer in project es6draft by anba.

the class TypedArrayFunctions method asDoubleBuffer.

private static final DoubleBuffer asDoubleBuffer(ArrayBuffer buffer, int byteOffset, int length) {
    ByteBuffer data = byteBuffer(buffer);
    int byteLength = Double.BYTES * length;
    data.limit(byteOffset + byteLength).position(byteOffset);
    DoubleBuffer view = data.asDoubleBuffer();
    data.clear();
    return view;
}

Example 77 with DoubleBuffer

use of java.nio.DoubleBuffer in project es6draft by anba.

the class TypedArrayFunctions method asDoubleBuffer.

private static final DoubleBuffer asDoubleBuffer(TypedArrayObject typedArray) {
    ByteBuffer data = byteBuffer(typedArray);
    int byteOffset = byteOffset(typedArray);
    int byteLength = byteLength(typedArray);
    data.limit(byteOffset + byteLength).position(byteOffset);
    DoubleBuffer view = data.asDoubleBuffer();
    data.clear();
    return view;
}

Example 78 with DoubleBuffer

use of java.nio.DoubleBuffer in project j2objc by google.

the class WrappedDoubleBufferTest method testWrappedDoubleuffer_IllegalArg.

/**
 * @tests java.nio.CharBuffer#allocate(char[],int,int)
 */
public void testWrappedDoubleuffer_IllegalArg() {
    double[] array = new double[20];
    try {
        DoubleBuffer.wrap(array, -1, 0);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap(array, 21, 0);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap(array, 0, -1);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap(array, 0, 21);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap(array, Integer.MAX_VALUE, 1);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap(array, 1, Integer.MAX_VALUE);
        // $NON-NLS-1$
        fail("Should throw Exception");
    } catch (IndexOutOfBoundsException e) {
    // expected
    }
    try {
        DoubleBuffer.wrap((double[]) null, -1, 0);
        // $NON-NLS-1$
        fail("Should throw NPE");
    } catch (NullPointerException e) {
    }
    DoubleBuffer buf = DoubleBuffer.wrap(array, 2, 16);
    assertEquals(buf.position(), 2);
    assertEquals(buf.limit(), 18);
    assertEquals(buf.capacity(), 20);
}

Example 79 with DoubleBuffer

use of java.nio.DoubleBuffer in project j2objc by google.

the class ReadOnlyDoubleBufferTest method testPutDoubleBuffer.

public void testPutDoubleBuffer() {
    DoubleBuffer other = DoubleBuffer.allocate(1);
    try {
        buf.put(other);
        // $NON-NLS-1$
        fail("Should throw ReadOnlyBufferException");
    } catch (ReadOnlyBufferException e) {
    // expected
    }
    try {
        buf.put((DoubleBuffer) null);
        // $NON-NLS-1$
        fail("Should throw ReadOnlyBufferException");
    } catch (ReadOnlyBufferException e) {
    // expected
    }
    try {
        buf.put(buf);
        // $NON-NLS-1$
        fail("Should throw IllegalArgumentException");
    } catch (IllegalArgumentException e) {
    // expected
    }
}

Example 80 with DoubleBuffer

use of java.nio.DoubleBuffer in project j2objc by google.

the class ReadOnlyDoubleBufferTest method testHashCode.

public void testHashCode() {
    DoubleBuffer duplicate = buf.duplicate();
    assertEquals(buf.hashCode(), duplicate.hashCode());
}