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package jdepend.framework;
import java.util.ArrayList;
import java.util.List;
/**
* @author <b>Mike Clark</b>
* @author Clarkware Consulting, Inc.
*/
public class CollectAllCyclesTest extends JDependTestCase {
public CollectAllCyclesTest(String name) {
super(name);
}
public void testNoCycles() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
a.dependsUpon(b);
List aCycles = new ArrayList();
assertEquals(false, a.containsCycle());
assertEquals(false, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {});
List bCycles = new ArrayList();
assertEquals(false, b.containsCycle());
assertEquals(false, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {});
}
public void test2Node1BranchCycle() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
a.dependsUpon(b);
b.dependsUpon(a);
List aCycles = new ArrayList();
assertEquals(true, a.containsCycle());
assertEquals(true, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {"A", "B", "A"});
List bCycles = new ArrayList();
assertEquals(true, b.containsCycle());
assertEquals(true, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {"B", "A", "B"});
}
public void test3Node1BranchCycle() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
JavaPackage c = new JavaPackage("C");
a.dependsUpon(b);
b.dependsUpon(c);
c.dependsUpon(a);
List aCycles = new ArrayList();
assertEquals(true, a.containsCycle());
assertEquals(true, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {"A", "B", "C", "A"});
List bCycles = new ArrayList();
assertEquals(true, b.containsCycle());
assertEquals(true, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {"B", "C", "A", "B"});
List cCycles = new ArrayList();
assertEquals(true, c.containsCycle());
assertEquals(true, c.collectAllCycles(cCycles));
assertListEquals(cCycles, new String[] {"C", "A", "B", "C"});
}
public void test3Node1BranchSubCycle() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
JavaPackage c = new JavaPackage("C");
a.dependsUpon(b);
b.dependsUpon(c);
c.dependsUpon(b);
List aCycles = new ArrayList();
assertEquals(true, a.containsCycle());
assertEquals(true, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {"A", "B", "C", "B"});
List bCycles = new ArrayList();
assertEquals(true, b.containsCycle());
assertEquals(true, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {"B", "C", "B"});
List cCycles = new ArrayList();
assertEquals(true, c.containsCycle());
assertEquals(true, c.collectAllCycles(cCycles));
assertListEquals(cCycles, new String[] {"C", "B", "C"});
}
public void test3Node2BranchCycle() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
JavaPackage c = new JavaPackage("C");
a.dependsUpon(b);
b.dependsUpon(a);
a.dependsUpon(c);
c.dependsUpon(a);
List aCycles = new ArrayList();
assertEquals(true, a.containsCycle());
assertEquals(true, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {"A", "B", "A", "C", "A"});
List bCycles = new ArrayList();
assertEquals(true, b.containsCycle());
assertEquals(true, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {"B", "A", "B", "C", "A"});
List cCycles = new ArrayList();
assertEquals(true, c.containsCycle());
assertEquals(true, c.collectAllCycles(cCycles));
assertListEquals(cCycles, new String[] {"C", "A", "B", "A", "C"});
}
public void test5Node2BranchCycle() {
JavaPackage a = new JavaPackage("A");
JavaPackage b = new JavaPackage("B");
JavaPackage c = new JavaPackage("C");
JavaPackage d = new JavaPackage("D");
JavaPackage e = new JavaPackage("E");
a.dependsUpon(b);
b.dependsUpon(c);
c.dependsUpon(a);
a.dependsUpon(d);
d.dependsUpon(e);
e.dependsUpon(a);
List aCycles = new ArrayList();
assertEquals(true, a.containsCycle());
assertEquals(true, a.collectAllCycles(aCycles));
assertListEquals(aCycles, new String[] {"A", "B", "C", "A", "D", "E", "A"});
List bCycles = new ArrayList();
assertEquals(true, b.containsCycle());
assertEquals(true, b.collectAllCycles(bCycles));
assertListEquals(bCycles, new String[] {"B", "C", "A", "B", "D", "E", "A"});
List cCycles = new ArrayList();
assertEquals(true, c.containsCycle());
assertEquals(true, c.collectAllCycles(cCycles));
assertListEquals(cCycles, new String[] {"C", "A", "B", "C", "D", "E", "A"});
List dCycles = new ArrayList();
assertEquals(true, d.containsCycle());
assertEquals(true, d.collectAllCycles(dCycles));
assertListEquals(dCycles, new String[] {"D", "E", "A", "B", "C", "A" , "D"});
List eCycles = new ArrayList();
assertEquals(true, e.containsCycle());
assertEquals(true, e.collectAllCycles(eCycles));
assertListEquals(eCycles, new String[] {"E", "A", "B", "C", "A", "D", "E"});
}
protected void assertListEquals(List list, String names[]) {
assertEquals(names.length, list.size());
for (int i=0; i < names.length; i++) {
assertEquals(names[i], ((JavaPackage)list.get(i)).getName());
}
}
}
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