diff --git a/core/tests/org.eclipse.dltk.core.tests/src/org/eclipse/dltk/core/tests/CodeAssistUtil.java b/core/tests/org.eclipse.dltk.core.tests/src/org/eclipse/dltk/core/tests/CodeAssistUtil.java
index 21fb04a..93c53f1 100644
--- a/core/tests/org.eclipse.dltk.core.tests/src/org/eclipse/dltk/core/tests/CodeAssistUtil.java
+++ b/core/tests/org.eclipse.dltk.core.tests/src/org/eclipse/dltk/core/tests/CodeAssistUtil.java
@@ -17,12 +17,14 @@
 import java.util.Comparator;
 import java.util.List;
 
+import org.eclipse.core.resources.IFile;
 import org.eclipse.dltk.codeassist.ICompletionEngine;
 import org.eclipse.dltk.codeassist.ISelectionEngine;
 import org.eclipse.dltk.codeassist.ISelectionRequestor;
 import org.eclipse.dltk.compiler.env.IModuleSource;
 import org.eclipse.dltk.core.CompletionProposal;
 import org.eclipse.dltk.core.CompletionRequestor;
+import org.eclipse.dltk.core.DLTKCore;
 import org.eclipse.dltk.core.IModelElement;
 import org.eclipse.dltk.core.ISourceModule;
 import org.eclipse.dltk.core.ISourceRange;
@@ -120,6 +122,10 @@
 		this.module = module;
 	}
 
+	public static CodeAssistUtil on(IFile file) {
+		return on(DLTKCore.createSourceModuleFrom(file));
+	}
+
 	public static CodeAssistUtil on(ISourceModule module) {
 		return new CodeAssistUtil(new SourceModule(module));
 	}