register ReferenceProvidersRegistry in ParsingTestCase and CoreEnvironment

platform/core-impl/src/com/intellij/core/CoreEnvironment.java

@@ -20,6 +20,7 @@ import com.intellij.lang.impl.PsiBuilderFactoryImpl;
 import com.intellij.mock.MockApplication;
 import com.intellij.mock.MockFileDocumentManagerImpl;
 import com.intellij.mock.MockProject;
+import com.intellij.mock.MockReferenceProvidersRegistry;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.application.ApplicationComponentLocator;
 import com.intellij.openapi.application.ApplicationManager;
@@ -35,6 +36,7 @@ import com.intellij.psi.PsiFileFactory;
 import com.intellij.psi.PsiManager;
 import com.intellij.psi.impl.PsiFileFactoryImpl;
 import com.intellij.psi.impl.PsiManagerImpl;
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
 import com.intellij.psi.util.CachedValuesManager;
 import com.intellij.util.CachedValuesManagerImpl;
 import com.intellij.util.Function;
@@ -76,6 +78,7 @@ public class CoreEnvironment {
 
     myApplication.registerService(DefaultASTFactory.class, new CoreASTFactory());
     myApplication.registerService(PsiBuilderFactory.class, new PsiBuilderFactoryImpl());
+    myApplication.registerService(ReferenceProvidersRegistry.class, new MockReferenceProvidersRegistry());
 
     final MutablePicoContainer projectContainer = myProject.getPicoContainer();
     PsiManagerImpl psiManager = new PsiManagerImpl(myProject, null, null, null, null);

platform/core-impl/src/com/intellij/mock/MockReferenceProvidersRegistry.java

@@ -0,0 +1,38 @@
+/*
+ * 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.mock;
+
+import com.intellij.lang.Language;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiReference;
+import com.intellij.psi.PsiReferenceRegistrar;
+import com.intellij.psi.PsiReferenceService;
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
+
+/**
+ * @author yole
+ */
+public class MockReferenceProvidersRegistry extends ReferenceProvidersRegistry {
+  @Override
+  public PsiReferenceRegistrar getRegistrar(Language language) {
+    return null;
+  }
+
+  @Override
+  protected PsiReference[] doGetReferencesFromProviders(PsiElement context, PsiReferenceService.Hints hints) {
+    return PsiReference.EMPTY_ARRAY;
+  }
+}

platform/testFramework/src/com/intellij/testFramework/ParsingTestCase.java

@@ -41,6 +41,8 @@ import com.intellij.psi.*;
 import com.intellij.psi.impl.DebugUtil;
 import com.intellij.psi.impl.PsiCachedValuesFactory;
 import com.intellij.psi.impl.PsiFileFactoryImpl;
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry;
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistryImpl;
 import com.intellij.psi.util.CachedValuesManager;
 import com.intellij.util.CachedValuesManagerImpl;
 import com.intellij.util.Function;
@@ -107,6 +109,7 @@ public abstract class ParsingTestCase extends PlatformLiteFixture {
     registerComponentInstance(appContainer, FileTypeManager.class, new MockFileTypeManager(new MockLanguageFileType(myLanguage, myFileExt)));
     registerApplicationService(PsiBuilderFactory.class, new PsiBuilderFactoryImpl());
     registerApplicationService(DefaultASTFactory.class, new DefaultASTFactoryImpl());
+    registerApplicationService(ReferenceProvidersRegistry.class, new ReferenceProvidersRegistryImpl());
     myProject.registerService(CachedValuesManager.class, new CachedValuesManagerImpl(myProject, new PsiCachedValuesFactory(myPsiManager)));
     myProject.registerService(PsiManager.class, myPsiManager);
     myProject.registerService(StartupManager.class, new StartupManagerImpl(myProject));