IDEA-178242 Extract Set from comparison chain: find duplicates within class

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/extractSetFromComparison/afterDuplicate.java

@@ -0,0 +1,35 @@
+// "Extract Set from comparison chain" "true"
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.Set;
+
+public class Test {
+    private static final Set<Status> STATUSES = Collections.unmodifiableSet(EnumSet.of(Status.VALID, Status.PENDING));
+
+    enum Status {
+    VALID, PENDING, INVALID, UNKNOWN;
+  }
+
+  void test1(Status status) {
+    if(STATUSES.contains(status)) {
+      System.out.println("ok");
+    }
+  }
+
+  static class Another {
+    static final String STATUSES = "";
+
+    void test2(Status st) {
+      if(st == null || Test.STATUSES.contains(st) || Math.random() > 0.5) {
+        System.out.println("Replace here as well");
+      }
+    }
+
+    void test3(Status st2) {
+      if(st2 == Status.VALID || st2 == Status.PENDING || st2 == Status.UNKNOWN) {
+        System.out.println("Do not replace as we test three statuses");
+      }
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/extractSetFromComparison/beforeDuplicate.java

@@ -0,0 +1,29 @@
+// "Extract Set from comparison chain" "true"
+
+public class Test {
+  enum Status {
+    VALID, PENDING, INVALID, UNKNOWN;
+  }
+
+  void test1(Status status) {
+    if(status =<caret>= Status.VALID || status == Status.PENDING) {
+      System.out.println("ok");
+    }
+  }
+
+  static class Another {
+    static final String STATUSES = "";
+
+    void test2(Status st) {
+      if(st == null || Status.PENDING == st || Status.VALID == st || Math.random() > 0.5) {
+        System.out.println("Replace here as well");
+      }
+    }
+
+    void test3(Status st2) {
+      if(st2 == Status.VALID || st2 == Status.PENDING || st2 == Status.UNKNOWN) {
+        System.out.println("Do not replace as we test three statuses");
+      }
+    }
+  }
+}