1 files changed, 53 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/ast/DataKeyTest.java b/javaparser-testing/src/test/java/com/github/javaparser/ast/DataKeyTest.java
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index 000000000..91163650a
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+++ b/javaparser-testing/src/test/java/com/github/javaparser/ast/DataKeyTest.java
@@ -0,0 +1,53 @@
+/*
+ * 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.ast;
+
+import com.github.javaparser.ast.expr.SimpleName;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
+
+public class DataKeyTest {
+    public static final DataKey<String> ABC = new DataKey<String>() {
+    };
+    public static final DataKey<List<String>> LISTY = new DataKey<List<String>>() {
+    };
+    public static final DataKey<List<String>> DING = new DataKey<List<String>>() {
+    };
+
+    @Test
+    public void addAFewKeysAndSeeIfTheyAreStoredCorrectly() {
+        Node node = new SimpleName();
+
+        node.setData(ABC, "Hurray!");
+        node.setData(LISTY, Arrays.asList("a", "b"));
+        node.setData(ABC, "w00t");
+
+        assertThat(node.getData(ABC)).contains("w00t");
+        assertThat(node.getData(LISTY)).containsExactly("a", "b");
+        assertThat(node.getData(DING)).isNull();
+    }
+
+}