tupleformattest.java

berkeleyDB,强大的嵌入式数据,多个数据库的内核

        assertEquals(3, out.size());
        copyOutputToInput();
        assertEquals(0, in.readUnsignedByte());
        assertEquals(1, in.readUnsignedByte());
        assertEquals(255, in.readUnsignedByte());
        assertEquals(0, in.available());
    }

    private void unsignedShortTest(int val) {

        unsignedShortTest(val, val);
    }

    private void unsignedShortTest(int val, int expected) {

        out.reset();
        out.writeUnsignedShort(val);
        assertEquals(2, out.size());
        copyOutputToInput();
        assertEquals(expected, in.readUnsignedShort());
    }

    public void testUnsignedShort() {

        unsignedShortTest(0);
        unsignedShortTest(1);
        unsignedShortTest(255);
        unsignedShortTest(256);
        unsignedShortTest(257);
        unsignedShortTest(Short.MAX_VALUE - 1);
        unsignedShortTest(Short.MAX_VALUE);
        unsignedShortTest(Short.MAX_VALUE + 1);
        unsignedShortTest(0xFFFF - 1);
        unsignedShortTest(0xFFFF);
        unsignedShortTest(0xFFFF + 1, 0);
        unsignedShortTest(0x7FFF0000, 0);
        unsignedShortTest(0xFFFF0000, 0);
        unsignedShortTest(-1, 0xFFFF);
        unsignedShortTest(-2, 0xFFFF - 1);
        unsignedShortTest(-0xFFFF, 1);

        out.reset();
        out.writeUnsignedShort(0);
        out.writeUnsignedShort(1);
        out.writeUnsignedShort(0xFFFF);
        assertEquals(6, out.size());
        copyOutputToInput();
        assertEquals(0, in.readUnsignedShort());
        assertEquals(1, in.readUnsignedShort());
        assertEquals(0xFFFF, in.readUnsignedShort());
        assertEquals(0, in.available());
    }

    private void unsignedIntTest(long val) {

        unsignedIntTest(val, val);
    }

    private void unsignedIntTest(long val, long expected) {

        out.reset();
        out.writeUnsignedInt(val);
        assertEquals(4, out.size());
        copyOutputToInput();
        assertEquals(expected, in.readUnsignedInt());
    }

    public void testUnsignedInt() {

        unsignedIntTest(0L);
        unsignedIntTest(1L);
        unsignedIntTest(255L);
        unsignedIntTest(256L);
        unsignedIntTest(257L);
        unsignedIntTest(Short.MAX_VALUE - 1L);
        unsignedIntTest(Short.MAX_VALUE);
        unsignedIntTest(Short.MAX_VALUE + 1L);
        unsignedIntTest(Integer.MAX_VALUE - 1L);
        unsignedIntTest(Integer.MAX_VALUE);
        unsignedIntTest(Integer.MAX_VALUE + 1L);
        unsignedIntTest(0xFFFFFFFFL - 1L);
        unsignedIntTest(0xFFFFFFFFL);
        unsignedIntTest(0xFFFFFFFFL + 1L, 0L);
        unsignedIntTest(0x7FFFFFFF00000000L, 0L);
        unsignedIntTest(0xFFFFFFFF00000000L, 0L);
        unsignedIntTest(-1, 0xFFFFFFFFL);
        unsignedIntTest(-2, 0xFFFFFFFFL - 1L);
        unsignedIntTest(-0xFFFFFFFFL, 1L);

        out.reset();
        out.writeUnsignedInt(0L);
        out.writeUnsignedInt(1L);
        out.writeUnsignedInt(0xFFFFFFFFL);
        assertEquals(12, out.size());
        copyOutputToInput();
        assertEquals(0L, in.readUnsignedInt());
        assertEquals(1L, in.readUnsignedInt());
        assertEquals(0xFFFFFFFFL, in.readUnsignedInt());
        assertEquals(0L, in.available());
    }

    private void byteTest(int val) {

        out.reset();
        out.writeByte(val);
        assertEquals(1, out.size());
        copyOutputToInput();
        assertEquals((byte) val, in.readByte());
    }

    public void testByte() {

        byteTest(0);
        byteTest(1);
        byteTest(-1);
        byteTest(Byte.MAX_VALUE - 1);
        byteTest(Byte.MAX_VALUE);
        byteTest(Byte.MAX_VALUE + 1);
        byteTest(Byte.MIN_VALUE + 1);
        byteTest(Byte.MIN_VALUE);
        byteTest(Byte.MIN_VALUE - 1);
        byteTest(0x7F);
        byteTest(0xFF);
        byteTest(0x7FFF);
        byteTest(0xFFFF);
        byteTest(0x7FFFFFFF);
        byteTest(0xFFFFFFFF);

        out.reset();
        out.writeByte(0);
        out.writeByte(1);
        out.writeByte(-1);
        assertEquals(3, out.size());
        copyOutputToInput();
        assertEquals(0, in.readByte());
        assertEquals(1, in.readByte());
        assertEquals(-1, in.readByte());
        assertEquals(0, in.available());
    }

    private void shortTest(int val) {

        out.reset();
        out.writeShort(val);
        assertEquals(2, out.size());
        copyOutputToInput();
        assertEquals((short) val, in.readShort());
    }

    public void testShort() {

        shortTest(0);
        shortTest(1);
        shortTest(-1);
        shortTest(Short.MAX_VALUE - 1);
        shortTest(Short.MAX_VALUE);
        shortTest(Short.MAX_VALUE + 1);
        shortTest(Short.MIN_VALUE + 1);
        shortTest(Short.MIN_VALUE);
        shortTest(Short.MIN_VALUE - 1);
        shortTest(0x7F);
        shortTest(0xFF);
        shortTest(0x7FFF);
        shortTest(0xFFFF);
        shortTest(0x7FFFFFFF);
        shortTest(0xFFFFFFFF);

        out.reset();
        out.writeShort(0);
        out.writeShort(1);
        out.writeShort(-1);
        assertEquals(3 * 2, out.size());
        copyOutputToInput();
        assertEquals(0, in.readShort());
        assertEquals(1, in.readShort());
        assertEquals(-1, in.readShort());
        assertEquals(0, in.available());
    }

    private void intTest(int val) {

        out.reset();
        out.writeInt(val);
        assertEquals(4, out.size());
        copyOutputToInput();
        assertEquals((int) val, in.readInt());
    }

    public void testInt() {

        intTest(0);
        intTest(1);
        intTest(-1);
        intTest(Integer.MAX_VALUE - 1);
        intTest(Integer.MAX_VALUE);
        intTest(Integer.MAX_VALUE + 1);
        intTest(Integer.MIN_VALUE + 1);
        intTest(Integer.MIN_VALUE);
        intTest(Integer.MIN_VALUE - 1);
        intTest(0x7F);
        intTest(0xFF);
        intTest(0x7FFF);
        intTest(0xFFFF);
        intTest(0x7FFFFFFF);
        intTest(0xFFFFFFFF);

        out.reset();
        out.writeInt(0);
        out.writeInt(1);
        out.writeInt(-1);
        assertEquals(3 * 4, out.size());
        copyOutputToInput();
        assertEquals(0, in.readInt());
        assertEquals(1, in.readInt());
        assertEquals(-1, in.readInt());
        assertEquals(0, in.available());
    }

    private void longTest(long val) {

        out.reset();
        out.writeLong(val);
        assertEquals(8, out.size());
        copyOutputToInput();
        assertEquals((long) val, in.readLong());
    }

    public void testLong() {

        longTest(0);
        longTest(1);
        longTest(-1);
        longTest(Long.MAX_VALUE - 1);
        longTest(Long.MAX_VALUE);
        longTest(Long.MAX_VALUE + 1);
        longTest(Long.MIN_VALUE + 1);
        longTest(Long.MIN_VALUE);
        longTest(Long.MIN_VALUE - 1);
        longTest(0x7F);
        longTest(0xFF);
        longTest(0x7FFF);
        longTest(0xFFFF);
        longTest(0x7FFFFFFF);
        longTest(0xFFFFFFFF);
        longTest(0x7FFFFFFFFFFFFFFFL);
        longTest(0xFFFFFFFFFFFFFFFFL);

        out.reset();
        out.writeLong(0);
        out.writeLong(1);
        out.writeLong(-1);
        assertEquals(3 * 8, out.size());
        copyOutputToInput();
        assertEquals(0, in.readLong());
        assertEquals(1, in.readLong());
        assertEquals(-1, in.readLong());
        assertEquals(0, in.available());
    }

    private void floatTest(double val) {

        out.reset();
        out.writeFloat((float) val);
        assertEquals(4, out.size());
        copyOutputToInput();
        if (Double.isNaN(val)) {
            assertTrue(Float.isNaN(in.readFloat()));
        } else {
            assertEquals((float) val, in.readFloat(), 0);
        }
    }

    public void testFloat() {

        floatTest(0);
        floatTest(1);
        floatTest(-1);
        floatTest(1.0);
        floatTest(0.1);
        floatTest(-1.0);
        floatTest(-0.1);
        floatTest(Float.NaN);
        floatTest(Float.NEGATIVE_INFINITY);
        floatTest(Float.POSITIVE_INFINITY);
        floatTest(Short.MAX_VALUE);
        floatTest(Short.MIN_VALUE);
        floatTest(Integer.MAX_VALUE);
        floatTest(Integer.MIN_VALUE);
        floatTest(Long.MAX_VALUE);
        floatTest(Long.MIN_VALUE);
        floatTest(Float.MAX_VALUE);
        floatTest(Float.MAX_VALUE + 1);
        floatTest(Float.MIN_VALUE + 1);
        floatTest(Float.MIN_VALUE);
        floatTest(Float.MIN_VALUE - 1);
        floatTest(0x7F);
        floatTest(0xFF);
        floatTest(0x7FFF);
        floatTest(0xFFFF);
        floatTest(0x7FFFFFFF);
        floatTest(0xFFFFFFFF);
        floatTest(0x7FFFFFFFFFFFFFFFL);
        floatTest(0xFFFFFFFFFFFFFFFFL);

        out.reset();
        out.writeFloat(0);
        out.writeFloat(1);
        out.writeFloat(-1);
        assertEquals(3 * 4, out.size());
        copyOutputToInput();
        assertEquals(0, in.readFloat(), 0);
        assertEquals(1, in.readFloat(), 0);
        assertEquals(-1, in.readFloat(), 0);
        assertEquals(0, in.available(), 0);
    }

    private void doubleTest(double val) {

        out.reset();
        out.writeDouble((double) val);
        assertEquals(8, out.size());
        copyOutputToInput();
        if (Double.isNaN(val)) {
            assertTrue(Double.isNaN(in.readDouble()));
        } else {
            assertEquals((double) val, in.readDouble(), 0);
        }
    }

    public void testDouble() {

        doubleTest(0);
        doubleTest(1);
        doubleTest(-1);
        doubleTest(1.0);
        doubleTest(0.1);
        doubleTest(-1.0);
        doubleTest(-0.1);
        doubleTest(Double.NaN);
        doubleTest(Double.NEGATIVE_INFINITY);
        doubleTest(Double.POSITIVE_INFINITY);
        doubleTest(Short.MAX_VALUE);
        doubleTest(Short.MIN_VALUE);
        doubleTest(Integer.MAX_VALUE);
        doubleTest(Integer.MIN_VALUE);
        doubleTest(Long.MAX_VALUE);
        doubleTest(Long.MIN_VALUE);
        doubleTest(Float.MAX_VALUE);
        doubleTest(Float.MIN_VALUE);
        doubleTest(Double.MAX_VALUE - 1);
        doubleTest(Double.MAX_VALUE);
        doubleTest(Double.MAX_VALUE + 1);
        doubleTest(Double.MIN_VALUE + 1);
        doubleTest(Double.MIN_VALUE);
        doubleTest(Double.MIN_VALUE - 1);
        doubleTest(0x7F);
        doubleTest(0xFF);
        doubleTest(0x7FFF);
        doubleTest(0xFFFF);
        doubleTest(0x7FFFFFFF);
        doubleTest(0xFFFFFFFF);
        doubleTest(0x7FFFFFFFFFFFFFFFL);
        doubleTest(0xFFFFFFFFFFFFFFFFL);

        out.reset();
        out.writeDouble(0);
        out.writeDouble(1);
        out.writeDouble(-1);
        assertEquals(3 * 8, out.size());
        copyOutputToInput();
        assertEquals(0, in.readDouble(), 0);
        assertEquals(1, in.readDouble(), 0);
        assertEquals(-1, in.readDouble(), 0);
        assertEquals(0, in.available(), 0);
    }
}