diff --git a/idea/tests/org/jetbrains/jet/plugin/libraries/FakeJetPsiClassRegressionTest.java b/idea/tests/org/jetbrains/jet/plugin/libraries/FakeJetPsiClassRegressionTest.java
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index 00000000000..da7bffa8e57
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+++ b/idea/tests/org/jetbrains/jet/plugin/libraries/FakeJetPsiClassRegressionTest.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2010-2012 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 org.jetbrains.jet.plugin.libraries;
+
+import com.intellij.psi.PsiReference;
+import com.intellij.testFramework.LightProjectDescriptor;
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.plugin.JetFileType;
+import org.jetbrains.jet.plugin.JetLanguage;
+import org.jetbrains.jet.plugin.JetWithJdkAndRuntimeLightProjectDescriptor;
+
+/**
+ * This is a regression test against KT-1652
+ *
+ * @author Evgeny Gerashchenko
+ * @since 3/27/12
+ */
+public class FakeJetPsiClassRegressionTest extends LightCodeInsightFixtureTestCase {
+    public void testRefToStdlib() {
+        String text = "fun foo() { println() }";
+        myFixture.configureByText(JetFileType.INSTANCE, text);
+        PsiReference ref = myFixture.getFile().findReferenceAt(text.indexOf("println"));
+        //noinspection ConstantConditions
+        assertSame(JetLanguage.INSTANCE, ref.resolve().getNavigationElement().getLanguage());
+    }
+
+    public void testRefToJdk() {
+        String text = "val x = java.util.HashMap<String, Int>().get(\"\")";
+        myFixture.configureByText(JetFileType.INSTANCE, text);
+        PsiReference ref = myFixture.getFile().findReferenceAt(text.indexOf("get"));
+        //noinspection ConstantConditions
+        ref.resolve().getNavigationElement();
+    }
+
+    @NotNull
+    @Override
+    protected LightProjectDescriptor getProjectDescriptor() {
+        return JetWithJdkAndRuntimeLightProjectDescriptor.INSTANCE;
+    }
+}