/** * Copyright 2012 JogAmp Community. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are those of the * authors and should not be interpreted as representing official policies, either expressed * or implied, of JogAmp Community. */ package com.jogamp.common.util; import junit.framework.Assert; import org.junit.Test; import static com.jogamp.common.util.ValueConv.*; /** * Testing ValueConv's value conversion of primitive types */ import org.junit.FixMethodOrder; import org.junit.runners.MethodSorters; @FixMethodOrder(MethodSorters.NAME_ASCENDING) public class TestValueConversion { @Test public void testBaseFloat() { Assert.assertEquals(Byte.MAX_VALUE, float_to_byte( 1.0f, true)); Assert.assertEquals(Byte.MIN_VALUE, float_to_byte(-1.0f, true)); Assert.assertEquals( 1.0f, byte_to_float( Byte.MAX_VALUE, true)); Assert.assertEquals(-1.0f, byte_to_float( Byte.MIN_VALUE, true)); Assert.assertEquals(Short.MAX_VALUE, float_to_short( 1.0f, true)); Assert.assertEquals(Short.MIN_VALUE, float_to_short(-1.0f, true)); Assert.assertEquals( 1.0f, short_to_float( Short.MAX_VALUE, true)); Assert.assertEquals(-1.0f, short_to_float( Short.MIN_VALUE, true)); Assert.assertEquals(Integer.MAX_VALUE, float_to_int( 1.0f, true)); Assert.assertEquals(Integer.MIN_VALUE, float_to_int(-1.0f, true)); Assert.assertEquals( 1.0f, int_to_float( Integer.MAX_VALUE, true)); Assert.assertEquals(-1.0f, int_to_float( Integer.MIN_VALUE, true)); Assert.assertEquals((byte)0xff, float_to_byte( 1.0f, false)); Assert.assertEquals( 1.0f, byte_to_float( (byte)0xff, false)); Assert.assertEquals((short)0xffff, float_to_short( 1.0f, false)); Assert.assertEquals( 1.0f, short_to_float( (short)0xffff, false)); Assert.assertEquals(0xffffffff, float_to_int( 1.0f, false)); Assert.assertEquals( 1.0f, int_to_float( 0xffffffff, false)); } @Test public void testBaseDouble() { Assert.assertEquals(Byte.MAX_VALUE, double_to_byte( 1.0, true)); Assert.assertEquals(Byte.MIN_VALUE, double_to_byte(-1.0, true)); Assert.assertEquals( 1.0, byte_to_double( Byte.MAX_VALUE, true)); Assert.assertEquals(-1.0, byte_to_double( Byte.MIN_VALUE, true)); Assert.assertEquals(Short.MAX_VALUE, double_to_short( 1.0, true)); Assert.assertEquals(Short.MIN_VALUE, double_to_short(-1.0, true)); Assert.assertEquals( 1.0, short_to_double( Short.MAX_VALUE, true)); Assert.assertEquals(-1.0, short_to_double( Short.MIN_VALUE, true)); Assert.assertEquals(Integer.MAX_VALUE, double_to_int( 1.0, true)); Assert.assertEquals(Integer.MIN_VALUE, double_to_int(-1.0, true)); Assert.assertEquals( 1.0, int_to_double( Integer.MAX_VALUE, true)); Assert.assertEquals(-1.0, int_to_double( Integer.MIN_VALUE, true)); Assert.assertEquals((byte)0xff, double_to_byte( 1.0, false)); Assert.assertEquals( 1.0, byte_to_double( (byte)0xff, false)); Assert.assertEquals((short)0xffff, double_to_short( 1.0, false)); Assert.assertEquals( 1.0, short_to_double( (short)0xffff, false)); Assert.assertEquals(0xffffffff, double_to_int( 1.0, false)); Assert.assertEquals( 1.0, int_to_double( 0xffffffff, false)); } @Test public void testConversion() { byte sb0 = 127; byte sb1 = -128; float sf0 = byte_to_float(sb0, true); float sf1 = byte_to_float(sb1, true); short ss0 = byte_to_short(sb0, true, true); short ss1 = byte_to_short(sb1, true, true); int si0 = byte_to_int(sb0, true, true); int si1 = byte_to_int(sb1, true, true); Assert.assertEquals(1.0f, sf0); Assert.assertEquals(-1.0f, sf1); Assert.assertEquals(Short.MAX_VALUE, ss0); Assert.assertEquals(Short.MIN_VALUE, ss1); Assert.assertEquals(Integer.MAX_VALUE, si0); Assert.assertEquals(Integer.MIN_VALUE, si1); Assert.assertEquals(sb0, short_to_byte(ss0, true, true)); Assert.assertEquals(sb1, short_to_byte(ss1, true, true)); Assert.assertEquals(sb0, int_to_byte(si0, true, true)); Assert.assertEquals(sb1, int_to_byte(si1, true, true)); byte ub0 = (byte) 0xff; float uf0 = byte_to_float(ub0, false); short us0 = byte_to_short(ub0, false, false); int ui0 = byte_to_int(ub0, false, false); Assert.assertEquals(1.0f, uf0); Assert.assertEquals((short)0xffff, us0); Assert.assertEquals(0xffffffff, ui0); Assert.assertEquals(ub0, short_to_byte(us0, false, false)); Assert.assertEquals(us0, int_to_short(ui0, false, false)); } public static void main(String args[]) { org.junit.runner.JUnitCore.main(TestValueConversion.class.getName()); } }