1 files changed, 79 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/printer/DotPrinterTest.java b/javaparser-testing/src/test/java/com/github/javaparser/printer/DotPrinterTest.java
new file mode 100644
index 000000000..ca11465a6
--- /dev/null
+++ b/javaparser-testing/src/test/java/com/github/javaparser/printer/DotPrinterTest.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.printer;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ast.expr.Expression;
+
+public class DotPrinterTest {
+    @Test
+    public void testWithType() {
+        String expectedOutput = "digraph {" + System.lineSeparator();
+        expectedOutput += "n0 [label=\"root (MethodCallExpr)\"];" + System.lineSeparator();
+        expectedOutput += "n1 [label=\"name (SimpleName)\"];" + System.lineSeparator();
+        expectedOutput += "n0 -> n1;" + System.lineSeparator();
+        expectedOutput += "n2 [label=\"identifier='x'\"];" + System.lineSeparator();
+        expectedOutput += "n1 -> n2;" + System.lineSeparator();
+        expectedOutput += "n3 [label=\"arguments\"];" + System.lineSeparator();
+        expectedOutput += "n0 -> n3;" + System.lineSeparator();
+        expectedOutput += "n4 [label=\"argument (IntegerLiteralExpr)\"];" + System.lineSeparator();
+        expectedOutput += "n3 -> n4;" + System.lineSeparator();
+        expectedOutput += "n5 [label=\"value='1'\"];" + System.lineSeparator();
+        expectedOutput += "n4 -> n5;" + System.lineSeparator();
+        expectedOutput += "n6 [label=\"argument (IntegerLiteralExpr)\"];" + System.lineSeparator();
+        expectedOutput += "n3 -> n6;" + System.lineSeparator();
+        expectedOutput += "n7 [label=\"value='1'\"];" + System.lineSeparator();
+        expectedOutput += "n6 -> n7;" + System.lineSeparator();
+        expectedOutput += "}";
+
+        DotPrinter dotPrinter = new DotPrinter(true);
+        Expression expression = JavaParser.parseExpression("x(1,1)");
+        String output = dotPrinter.output(expression);
+        assertEquals(expectedOutput, output);
+    }
+
+    @Test
+    public void testWithoutType() {
+        String expectedOutput = "digraph {" + System.lineSeparator();
+        expectedOutput += "n0 [label=\"root\"];" + System.lineSeparator();
+        expectedOutput += "n1 [label=\"operator='PLUS'\"];" + System.lineSeparator();
+        expectedOutput += "n0 -> n1;" + System.lineSeparator();
+        expectedOutput += "n2 [label=\"left\"];" + System.lineSeparator();
+        expectedOutput += "n0 -> n2;" + System.lineSeparator();
+        expectedOutput += "n3 [label=\"value='1'\"];" + System.lineSeparator();
+        expectedOutput += "n2 -> n3;" + System.lineSeparator();
+        expectedOutput += "n4 [label=\"right\"];" + System.lineSeparator();
+        expectedOutput += "n0 -> n4;" + System.lineSeparator();
+        expectedOutput += "n5 [label=\"value='1'\"];" + System.lineSeparator();
+        expectedOutput += "n4 -> n5;" + System.lineSeparator();
+        expectedOutput += "}";
+
+        DotPrinter dotPrinter = new DotPrinter(false);
+        Expression expression = JavaParser.parseExpression("1+1");
+        String output = dotPrinter.output(expression);
+        assertEquals(expectedOutput, output);
+    }
+}