--- /dev/null
+package org.simantics.modeling.tests.commands;
+
+import org.simantics.db.testing.common.CommandInvoker;
+import org.simantics.db.testing.common.CommandSequenceEnvironment;
+import org.simantics.modeling.tests.traits.SingleResourceTrait;
+
+public class OpenAndCloseDiagram implements CommandInvoker<SingleResourceTrait> {
+
+ @Override
+ public void invoke(CommandSequenceEnvironment environment, SingleResourceTrait parameter) throws Exception {
+
+ LoadDiagram load = new LoadDiagram(parameter.getResource());
+ UnloadDiagram unload = new UnloadDiagram(load);
+ environment.invoke(environment, load);
+ environment.invoke(environment, unload);
+ environment.invoke(environment, new CollectMemory());
+
+ }
+
+}