| package org.junit.tests.manipulation; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertSame; |
| |
| import org.junit.Test; |
| import org.junit.runner.Description; |
| import org.junit.runner.manipulation.Filter; |
| |
| public class FilterTest { |
| public static class NamedFilter extends Filter { |
| private final String fName; |
| |
| public NamedFilter(String name) { |
| fName = name; |
| } |
| |
| @Override |
| public boolean shouldRun(Description description) { |
| return false; |
| } |
| |
| @Override |
| public String describe() { |
| return fName; |
| } |
| } |
| |
| @Test |
| public void intersectionText() { |
| NamedFilter a = new NamedFilter("a"); |
| NamedFilter b = new NamedFilter("b"); |
| assertEquals("a and b", a.intersect(b).describe()); |
| assertEquals("b and a", b.intersect(a).describe()); |
| } |
| |
| @Test |
| public void intersectSelf() { |
| NamedFilter a = new NamedFilter("a"); |
| assertSame(a, a.intersect(a)); |
| } |
| |
| @Test |
| public void intersectAll() { |
| NamedFilter a = new NamedFilter("a"); |
| assertSame(a, a.intersect(Filter.ALL)); |
| assertSame(a, Filter.ALL.intersect(a)); |
| assertSame(Filter.ALL, Filter.ALL.intersect(Filter.ALL)); |
| } |
| } |