Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.datastructures / src / org / simantics / utils / datastructures / hints / HintStackTest.java

diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/HintStackTest.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/HintStackTest.java
new file mode 100644 (file)
index 0000000..c6caa8a
--- /dev/null
+++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/hints/HintStackTest.java
@@ -0,0 +1,69 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ *\r
+ * @author Toni Kalajainen\r
+ */\r
+package org.simantics.utils.datastructures.hints;\r
+\r
+import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
+import org.simantics.utils.datastructures.hints.IHintContext.KeyOf;\r
+\r
+public class HintStackTest {\r
+\r
+       public static final Key KEY = new KeyOf(Double.class);\r
+       \r
+       /**\r
+        * @param args\r
+        */\r
+       public static void main(String[] args) {\r
+               IHintStack stack = new HintStack();\r
+               stack.addHintListener(new IHintListener() {\r
+                       @Override\r
+                       public void hintChanged(IHintObservable sender, Key key,\r
+                                       Object oldValue, Object newValue) {\r
+                               System.out.println("Hint changed: "+key+"="+newValue+" (was "+oldValue+")");\r
+                       }\r
+\r
+                       @Override\r
+                       public void hintRemoved(IHintObservable sender, Key key,\r
+                                       Object oldValue) {\r
+                               System.out.println("Hint removed: "+key+" (was "+oldValue+")");\r
+                       }});\r
+               IHintContext c1 = new HintContext();\r
+               IHintContext c2 = new HintContext();\r
+               \r
+               c1.setHint(KEY, 1.0);\r
+               c2.setHint(KEY, 2.0);\r
+               \r
+               // KEY added\r
+               stack.addHintContext(c1, 0);\r
+               // KEY overridden\r
+               stack.addHintContext(c2, 1);\r
+               \r
+               // underlying removed, do not do anything\r
+               stack.removeHintContext(c1);\r
+               \r
+               // add over prev value, override\r
+               stack.addHintContext(c1, 2);\r
+               \r
+               // should not do anything, is overridden\r
+               c2.setHint(KEY, 3.0);\r
+               \r
+               // changed. overrides c2\r
+               c1.setHint(KEY, 4.0);\r
+               \r
+               // removed. c2's value 3 becomes effective\r
+               c1.removeHint(KEY);\r
+       }\r
+\r
+}\r