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package org.jf.util;
import junit.framework.Assert;
import org.junit.Test;
public class NumberUtilsTest {
@Test
public void isLikelyFloatTest() {
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1.23f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1.0f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(Float.NaN)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(Float.NEGATIVE_INFINITY)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(Float.POSITIVE_INFINITY)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1e-30f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1000f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(-1f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(-5f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1.3333f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(4.5f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(.1f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(50000f)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(Float.MAX_VALUE)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits((float)Math.PI)));
Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits((float)Math.E)));
Assert.assertTrue(NumberUtils.isLikelyFloat(2139095039));
// Float.MIN_VALUE is equivalent to integer value 1 - this should be detected as an integer
//Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(Float.MIN_VALUE)));
// This one doesn't quite work. It has a series of 2 0's, but that is probably not enough to strip off normally
//Assert.assertTrue(NumberUtils.isLikelyFloat(Float.floatToRawIntBits(1.33333f)));
Assert.assertFalse(NumberUtils.isLikelyFloat(0));
Assert.assertFalse(NumberUtils.isLikelyFloat(1));
Assert.assertFalse(NumberUtils.isLikelyFloat(10));
Assert.assertFalse(NumberUtils.isLikelyFloat(100));
Assert.assertFalse(NumberUtils.isLikelyFloat(1000));
Assert.assertFalse(NumberUtils.isLikelyFloat(1024));
Assert.assertFalse(NumberUtils.isLikelyFloat(1234));
Assert.assertFalse(NumberUtils.isLikelyFloat(-5));
Assert.assertFalse(NumberUtils.isLikelyFloat(-13));
Assert.assertFalse(NumberUtils.isLikelyFloat(-123));
Assert.assertFalse(NumberUtils.isLikelyFloat(20000000));
Assert.assertFalse(NumberUtils.isLikelyFloat(2000000000));
Assert.assertFalse(NumberUtils.isLikelyFloat(-2000000000));
Assert.assertFalse(NumberUtils.isLikelyFloat(Integer.MAX_VALUE));
Assert.assertFalse(NumberUtils.isLikelyFloat(Integer.MIN_VALUE));
Assert.assertFalse(NumberUtils.isLikelyFloat(Short.MIN_VALUE));
Assert.assertFalse(NumberUtils.isLikelyFloat(Short.MAX_VALUE));
}
@Test
public void isLikelyDoubleTest() {
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1.23f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1.0f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Double.NaN)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Double.NEGATIVE_INFINITY)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Double.POSITIVE_INFINITY)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1e-30f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1000f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(-1f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(-5f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1.3333f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(1.33333f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(4.5f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(.1f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(50000f)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Double.MAX_VALUE)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Math.PI)));
Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Math.E)));
// Double.MIN_VALUE is equivalent to integer value 1 - this should be detected as an integer
//Assert.assertTrue(NumberUtils.isLikelyDouble(Double.doubleToRawLongBits(Double.MIN_VALUE)));
Assert.assertFalse(NumberUtils.isLikelyDouble(0));
Assert.assertFalse(NumberUtils.isLikelyDouble(1));
Assert.assertFalse(NumberUtils.isLikelyDouble(10));
Assert.assertFalse(NumberUtils.isLikelyDouble(100));
Assert.assertFalse(NumberUtils.isLikelyDouble(1000));
Assert.assertFalse(NumberUtils.isLikelyDouble(1024));
Assert.assertFalse(NumberUtils.isLikelyDouble(1234));
Assert.assertFalse(NumberUtils.isLikelyDouble(-5));
Assert.assertFalse(NumberUtils.isLikelyDouble(-13));
Assert.assertFalse(NumberUtils.isLikelyDouble(-123));
Assert.assertFalse(NumberUtils.isLikelyDouble(20000000));
Assert.assertFalse(NumberUtils.isLikelyDouble(2000000000));
Assert.assertFalse(NumberUtils.isLikelyDouble(-2000000000));
Assert.assertFalse(NumberUtils.isLikelyDouble(Integer.MAX_VALUE));
Assert.assertFalse(NumberUtils.isLikelyDouble(Integer.MIN_VALUE));
Assert.assertFalse(NumberUtils.isLikelyDouble(Short.MIN_VALUE));
Assert.assertFalse(NumberUtils.isLikelyDouble(Short.MAX_VALUE));
}
}