correctly preserve coverage information for uncovered classes

plugins/coverage/src/com/intellij/coverage/SourceLineCounterUtil.java

@@ -33,7 +33,7 @@ public class SourceLineCounterUtil {
     if (!counter.isInterface()) {
       packageCoverageInfo.totalClassCount++;
     }
-    return false;
+    return true;
   }
 
   public static void collectSrcLinesForUntouchedFiles(final List<Integer> uncoveredLines,

plugins/coverage/testSrc/com/intellij/coverage/CoverageIntegrationTest.java

@@ -59,6 +59,9 @@ public class CoverageIntegrationTest extends ModuleTestCase {
     assertEquals(9, barPackageCoverage.totalLineCount);
     assertEquals(1, barPackageCoverage.coveredMethodCount);
     assertEquals(7, barPackageCoverage.totalMethodCount);
+    PackageAnnotator.ClassCoverageInfo uncoveredClassInfo = consumer.myClassCoverageInfo.get("foo.bar.UncoveredClass");
+    assertEquals(4, uncoveredClassInfo.totalMethodCount);
+    assertEquals(0, uncoveredClassInfo.coveredMethodCount);
   }
 
   public void testJaCoCo() {