ast test, simple

src/test/java/util/ast/ASTTest.java

@@ -0,0 +1,48 @@
+package util.ast;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class ASTTest {
+
+    @Test
+    void testOneNode() {
+        Node root = new Node("Wurzel");
+
+        AST tree = new AST(root);
+        System.out.println(tree);
+
+        assertThat(tree).hasToString("Wurzel\n");
+    }
+
+    @Test
+    void testThreeNodesBinary() {
+        Node root = new Node("Wurzel");
+        Node childA = new Node("A");
+        Node childB = new Node("B");
+
+        root.addChild(childA);
+        root.addChild(childB);
+
+        AST tree = new AST(root);
+        System.out.println(tree);
+
+        assertThat(tree).hasToString("Wurzel\n├── A\n└── B\n");
+    }
+
+    @Test
+    void testThreeNodesLinear() {
+        Node root = new Node("Wurzel");
+        Node childA = new Node("A");
+        Node childB = new Node("B");
+
+        root.addChild(childA);
+        childA.addChild(childB);
+
+        AST tree = new AST(root);
+        System.out.println(tree);
+
+        assertThat(tree).hasToString("Wurzel\n└── A\n    └── B\n");
+    }
+}