| package junit.tests.framework; |
| |
| import junit.framework.AssertionFailedError; |
| import junit.framework.TestCase; |
| |
| public class DoublePrecisionAssertTest extends TestCase { |
| |
| /** |
| * Test for the special Double.NaN value. |
| */ |
| public void testAssertEqualsNaNFails() { |
| try { |
| assertEquals(1.234, Double.NaN, 0.0); |
| } catch (AssertionFailedError e) { |
| return; |
| } |
| fail(); |
| } |
| |
| public void testAssertNaNEqualsFails() { |
| try { |
| assertEquals(Double.NaN, 1.234, 0.0); |
| } catch (AssertionFailedError e) { |
| return; |
| } |
| fail(); |
| } |
| |
| public void testAssertNaNEqualsNaN() { |
| assertEquals(Double.NaN, Double.NaN, 0.0); |
| } |
| |
| public void testAssertPosInfinityNotEqualsNegInfinity() { |
| try { |
| assertEquals(Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY, 0.0); |
| } catch (AssertionFailedError e) { |
| return; |
| } |
| fail(); |
| } |
| |
| public void testAssertPosInfinityNotEquals() { |
| try { |
| assertEquals(Double.POSITIVE_INFINITY, 1.23, 0.0); |
| } catch (AssertionFailedError e) { |
| return; |
| } |
| fail(); |
| } |
| |
| public void testAssertPosInfinityEqualsInfinity() { |
| assertEquals(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY, 0.0); |
| } |
| |
| public void testAssertNegInfinityEqualsInfinity() { |
| assertEquals(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY, 0.0); |
| } |
| |
| } |