File	Doc	Category	Size	Date	Package
FloatDoubleTest.java	API Doc	Android 1.5 API	5465	Wed May 06 22:42:02 BST 2009	android.core

FloatDoubleTest

• java.lang.Object
  • junit.framework.Assert
    • junit.framework.TestCase

Fields Summary

Constructors Summary

Methods Summary
public void	testDouble() double pz = 0.0; double nz = -0.0; double pzero = 1.0 / Double.POSITIVE_INFINITY; double nzero = 1.0 / Double.NEGATIVE_INFINITY; // Everything compares as '==' assertTrue(pz == pz); assertTrue(pz == nz); assertTrue(pz == pzero); assertTrue(pz == nzero); assertTrue(nz == pz); assertTrue(nz == nz); assertTrue(nz == pzero); assertTrue(nz == nzero); assertTrue(pzero == pz); assertTrue(pzero == nz); assertTrue(pzero == pzero); assertTrue(pzero == nzero); assertTrue(nzero == pz); assertTrue(nzero == nz); assertTrue(nzero == pzero); assertTrue(nzero == nzero); // +-0 are distinct as Doubles assertEquals(Double.valueOf(pz), Double.valueOf(pz)); assertTrue(!Double.valueOf(pz).equals(Double.valueOf(nz))); assertEquals(Double.valueOf(pz), Double.valueOf(pzero)); assertTrue(!Double.valueOf(pz).equals(Double.valueOf(nzero))); assertTrue(!Double.valueOf(nz).equals(Double.valueOf(pz))); assertEquals(Double.valueOf(nz), Double.valueOf(nz)); assertTrue(!Double.valueOf(nz).equals(Double.valueOf(pzero))); assertEquals(Double.valueOf(nz), Double.valueOf(nzero)); assertEquals(Double.valueOf(pzero), Double.valueOf(pz)); assertTrue(!Double.valueOf(pzero).equals(Double.valueOf(nz))); assertEquals(Double.valueOf(pzero), Double.valueOf(pzero)); assertTrue(!Double.valueOf(pzero).equals(Double.valueOf(nzero))); assertTrue(!Double.valueOf(nzero).equals(Double.valueOf(pz))); assertEquals(Double.valueOf(nzero), Double.valueOf(nz)); assertTrue(!Double.valueOf(nzero).equals(Double.valueOf(pzero))); assertEquals(Double.valueOf(nzero), Double.valueOf(nzero)); // Nan's compare as equal Double sqrtm2 = Double.valueOf(Math.sqrt(-2.0)); Double sqrtm3 = Double.valueOf(Math.sqrt(-3.0)); assertEquals(sqrtm2, sqrtm3);
public void	testFloat() float pz = 0.0f; float nz = -0.0f; float pzero = 1.0f / Float.POSITIVE_INFINITY; float nzero = 1.0f / Float.NEGATIVE_INFINITY; // Everything compares as '==' assertTrue(pz == pz); assertTrue(pz == nz); assertTrue(pz == pzero); assertTrue(pz == nzero); assertTrue(nz == pz); assertTrue(nz == nz); assertTrue(nz == pzero); assertTrue(nz == nzero); assertTrue(pzero == pz); assertTrue(pzero == nz); assertTrue(pzero == pzero); assertTrue(pzero == nzero); assertTrue(nzero == pz); assertTrue(nzero == nz); assertTrue(nzero == pzero); assertTrue(nzero == nzero); // +-0 are distinct as Floats assertEquals(Float.valueOf(pz), Float.valueOf(pz)); assertTrue(!Float.valueOf(pz).equals(Float.valueOf(nz))); assertEquals(Float.valueOf(pz), Float.valueOf(pzero)); assertTrue(!Float.valueOf(pz).equals(Float.valueOf(nzero))); assertTrue(!Float.valueOf(nz).equals(Float.valueOf(pz))); assertEquals(Float.valueOf(nz), Float.valueOf(nz)); assertTrue(!Float.valueOf(nz).equals(Float.valueOf(pzero))); assertEquals(Float.valueOf(nz), Float.valueOf(nzero)); assertEquals(Float.valueOf(pzero), Float.valueOf(pz)); assertTrue(!Float.valueOf(pzero).equals(Float.valueOf(nz))); assertEquals(Float.valueOf(pzero), Float.valueOf(pzero)); assertTrue(!Float.valueOf(pzero).equals(Float.valueOf(nzero))); assertTrue(!Float.valueOf(nzero).equals(Float.valueOf(pz))); assertEquals(Float.valueOf(nzero), Float.valueOf(nz)); assertTrue(!Float.valueOf(nzero).equals(Float.valueOf(pzero))); assertEquals(Float.valueOf(nzero), Float.valueOf(nzero)); // Nan's compare as equal Float sqrtm2 = Float.valueOf((float) Math.sqrt(-2.0f)); Float sqrtm3 = Float.valueOf((float) Math.sqrt(-3.0f)); assertEquals(sqrtm2, sqrtm3);
public void	testFloatDouble() Double d = Double.valueOf(1.0); Float f = Float.valueOf(1.0f); Object o = new Object(); assertFalse(f.equals(d)); assertFalse(d.equals(f)); assertFalse(f.equals(o)); assertFalse(d.equals(o)); assertFalse(f.equals(null)); assertFalse(d.equals(null));