diff --git a/platform/testFramework/testSrc/com/intellij/testFramework/utils/parameterInfo/MockUpdateParameterInfoContext.java b/platform/testFramework/testSrc/com/intellij/testFramework/utils/parameterInfo/MockUpdateParameterInfoContext.java
new file mode 100644
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+++ b/platform/testFramework/testSrc/com/intellij/testFramework/utils/parameterInfo/MockUpdateParameterInfoContext.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.testFramework.utils.parameterInfo;
+
+import com.intellij.lang.parameterInfo.UpdateParameterInfoContext;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
+import com.intellij.util.ArrayUtil;
+import org.jetbrains.annotations.NotNull;
+
+/**
+* @author gregsh
+*/
+public class MockUpdateParameterInfoContext implements UpdateParameterInfoContext {
+  private final Editor myEditor;
+  private final PsiFile myFile;
+  private PsiElement myParameterOwner;
+  private Object myHighlightedParameter;
+  private int myCurrentParameter;
+
+  public MockUpdateParameterInfoContext(@NotNull Editor editor, @NotNull PsiFile file) {
+    myEditor = editor;
+    myFile = file;
+  }
+
+  public void removeHint() {}
+
+  public void setParameterOwner(PsiElement o) {
+    myParameterOwner = o;
+  }
+
+  public PsiElement getParameterOwner() { return myParameterOwner; }
+
+  public void setHighlightedParameter(Object parameter) {
+    myHighlightedParameter = parameter;
+  }
+
+  public void setCurrentParameter(int index) {
+    myCurrentParameter = index;
+  }
+
+  public int getCurrentParameter() {
+    return myCurrentParameter;
+  }
+
+  public boolean isUIComponentEnabled(int index) { return false; }
+
+  public void setUIComponentEnabled(int index, boolean b) {}
+
+  public int getParameterListStart() {
+    return myEditor.getCaretModel().getOffset();
+  }
+
+  public Object[] getObjectsToView() {
+    return ArrayUtil.EMPTY_OBJECT_ARRAY;
+  }
+
+  public Project getProject() {
+    return myFile.getProject();
+  }
+
+  public PsiFile getFile() {
+    return myFile;
+  }
+
+  public int getOffset() {
+    return myEditor.getCaretModel().getOffset();
+  }
+
+  @NotNull
+  public Editor getEditor() {
+    return myEditor;
+  }
+}