completion: diamonds; inspection: collapse to diamond

java/testFramework/src/com/intellij/testFramework/LightCodeInsightTestCase.java

@@ -41,7 +41,11 @@ public abstract class LightCodeInsightTestCase extends LightPlatformCodeInsightT
   protected void setUp() throws Exception {
     super.setUp();
     myOldLanguageLevel = LanguageLevelProjectExtension.getInstance(getProject()).getLanguageLevel();
-    setLanguageLevel(LanguageLevel.HIGHEST);
+    setLanguageLevel(getLanguageLevel());
+  }
+
+  protected LanguageLevel getLanguageLevel() {
+    return LanguageLevel.HIGHEST;
   }
 
   @Override

java/testFramework/src/com/intellij/testFramework/fixtures/LightCodeInsightFixtureTestCase.java

@@ -73,6 +73,22 @@ public abstract class LightCodeInsightFixtureTestCase extends UsefulTestCase{
       model.getModuleExtension(LanguageLevelModuleExtension.class).setLanguageLevel(LanguageLevel.JDK_1_5);
     }
   };
+  public static final LightProjectDescriptor JAVA_1_6 = new DefaultLightProjectDescriptor() {
+    @Override
+    public ModuleType getModuleType() {
+      return StdModuleTypes.JAVA;
+    }
+
+    @Override
+    public Sdk getSdk() {
+      return JavaSdkImpl.getMockJdk17("java 1.6");
+    }
+
+    @Override
+    public void configureModule(Module module, ModifiableRootModel model, ContentEntry contentEntry) {
+      model.getModuleExtension(LanguageLevelModuleExtension.class).setLanguageLevel(LanguageLevel.JDK_1_6);
+    }
+  };
   public static final LightProjectDescriptor JAVA_LATEST = new DefaultLightProjectDescriptor();