MaxLoop test

java/java-tests/testData/inspection/dataFlow/fixture/MaxLoop.java

@@ -0,0 +1,23 @@
+import java.util.Collection;
+
+class X {
+  public Foo test(Collection<Foo> collection) {
+    Foo result = null;
+    int resultWeight = -1;
+    for (Foo foo : collection) {
+      int fooWeight = foo.getWeight();
+      if (result == null || resultWeight <= fooWeight) {
+        result = foo;
+        resultWeight = fooWeight;
+      }
+    }
+    if (result == null) {
+      throw new RuntimeException();
+    }
+    return result;
+  }
+}
+
+interface Foo {
+  int getWeight();
+}

java/java-tests/testSrc/com/intellij/java/codeInspection/DataFlowInspectionTest.java

@@ -646,4 +646,5 @@ public class DataFlowInspectionTest extends DataFlowInspectionTestCase {
 
   public void testIncompleteArrayAccessInLoop() { doTest(); }
   public void testSameArguments() { doTest(); }
+  public void testMaxLoop() { doTest(); }
 }