don't let the following nasty angle braces spoil the qualifier casting

Author: donnerpeter

java/java-impl/src/com/intellij/codeInsight/completion/JavaCompletionContributor.java

@@ -509,6 +509,12 @@ public void beforeCompletion(@NotNull final CompletionInitializationContext cont
           return;
         }
 
+        final PsiJavaCodeReferenceElement ref = PsiTreeUtil.findElementOfClassAtOffset(file, context.getStartOffset(), PsiJavaCodeReferenceElement.class, false);
+        if (ref != null && !(ref instanceof PsiReferenceExpression)) {
+          context.setDummyIdentifier(CompletionInitializationContext.DUMMY_IDENTIFIER.trim() + ";");
+          return;
+        }
+
         final PsiElement element = file.findElementAt(context.getStartOffset());
 
         if (psiElement().inside(PsiAnnotation.class).accepts(element)) {

java/java-tests/testData/codeInsight/completion/normal/QualifierCastingBeforeLt.java

@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+import javax.swing.*;
+import java.awt.*;
+
+public class Bar {
+
+    static class CellWrapper {
+        public boolean isSeparator() {
+            return true;
+        }
+    }
+
+    static class MyRenderer extends DefaultListCellRenderer {
+        public Component getListCellRendererComponent(JList list, Object value, int index, boolean s, boolean focus) {
+            assert value instanceof CellWrapper;
+
+            value.is<caret><car>
+
+        }
+    }
+
+}
+

java/java-tests/testData/codeInsight/completion/normal/QualifierCastingBeforeLt_after.java

@@ -0,0 +1,37 @@
+/*
+ * 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.
+ */
+import javax.swing.*;
+import java.awt.*;
+
+public class Bar {
+
+    static class CellWrapper {
+        public boolean isSeparator() {
+            return true;
+        }
+    }
+
+    static class MyRenderer extends DefaultListCellRenderer {
+        public Component getListCellRendererComponent(JList list, Object value, int index, boolean s, boolean focus) {
+            assert value instanceof CellWrapper;
+
+            ((CellWrapper) value).isSeparator()<caret><car>
+
+        }
+    }
+
+}
+

java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy

@@ -788,6 +788,7 @@ public class NormalCompletionTest extends LightFixtureCompletionTestCase {
   public void testCastTooComplexInstanceofedQualifier() throws Throwable { doAntiTest(); }
   public void testDontCastInstanceofedQualifier() throws Throwable { doTest(); }
   public void testQualifierCastingWithUnknownAssignments() throws Throwable { doTest(); }
+  public void testQualifierCastingBeforeLt() throws Throwable { doTest(); }
 
   public void testWildcardsInLookup() throws Exception {
     configure()