/*
* Created on 12.11.2005
*
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package net.sourceforge.ganttproject.test.task.dependency;
import net.sourceforge.ganttproject.task.Task;
import net.sourceforge.ganttproject.task.dependency.TaskDependency;
import net.sourceforge.ganttproject.task.dependency.TaskDependencyException;
import net.sourceforge.ganttproject.test.task.TaskTestCase;
public class TestDependencyCycle extends TaskTestCase {
public void testSimpleCycle() throws Exception {
Task dependant = getTaskManager().createTask();
Task dependee = getTaskManager().createTask();
getTaskManager().getDependencyCollection().createDependency(dependant, dependee);
assertIsLooping(dependee, dependant);
}
public void testLoopingDependencyTargetedAtSupertask() throws Exception {
Task supertask = getTaskManager().createTask();
Task nestedTask = getTaskManager().createTask();
nestedTask.move(supertask);
Task dependantTask = getTaskManager().createTask();
getTaskManager().getDependencyCollection().createDependency(dependantTask, nestedTask);
assertIsLooping(supertask, dependantTask);
}
public void testDependencyTargetedToNestedTask() throws Exception {
Task supertask = getTaskManager().createTask();
Task nestedTask = getTaskManager().createTask();
nestedTask.move(supertask);
assertIsLooping(supertask, nestedTask);
}
private void assertIsLooping(Task dependant, Task dependee) {
boolean success = true;
try {
TaskDependency loopingDependency = getTaskManager().getDependencyCollection().createDependency(dependant, dependee);
assertNotNull("Either exception is thrown, or result is not null", loopingDependency);
}
catch (TaskDependencyException e) {
success = false;
}
assertFalse("Wow, dependency loop has been successfully created!", success);
}
}