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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));
}
}
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