add more tests

Author: FelixAnthonisen

src/test/java/anthonisen/felix/astParsing/TestTypeHandler.java

@@ -8,7 +8,7 @@
 import java.util.Map;
 import com.github.javaparser.ast.type.ClassOrInterfaceType;
 
-import anthonisen.felix.astParsing.util.TypeHandler;
+import io.github.bldl.astParsing.util.TypeHandler;
 
 public class TestTypeHandler {
     @Test

src/test/java/anthonisen/felix/graph/TestClassHierarchyGraph.java

@@ -2,16 +2,19 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.util.HashSet;
 import java.util.Set;
 
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;;
+import org.junit.jupiter.api.Test;
+
+import io.github.bldl.graph.ClassHierarchyGraph;;
 
 public class TestClassHierarchyGraph {
-    IDirectedGraph<Integer> graph;
+    ClassHierarchyGraph<Integer> graph;
 
     @BeforeEach
     public void setUpGraph() {
@@ -48,6 +51,14 @@ public void testAddEdge() {
         assertTrue(found);
     }
 
+    @Test
+    public void testCantAddEdgeThatCreatesCycle() {
+        for (int i = 0; i < 5; ++i) {
+            graph.addEdge(i, i + 1);
+        }
+        assertThrows(IllegalArgumentException.class, () -> graph.addEdge(4, 0));
+    }
+
     @Test
     public void testCantAddEdge() {
         assertFalse(graph.addEdge(2, 10));
@@ -61,4 +72,13 @@ public void testGetVertices() {
         graph.getVertices().forEach(vertex -> actualVerts.add(vertex));
         assertEquals(expectedVerts, actualVerts);
     }
+
+    @Test
+    public void testIsDescendant() {
+        for (int i = 0; i < 4; ++i) {
+            graph.addEdge(i, i + 1);
+        }
+        assertTrue(graph.isDescendant(0, 4));
+        assertFalse(graph.isDescendant(4, 0));
+    }
 }