IDEA-219189 "Split into 2 if's" generates redundant 'else if' clause

GitOrigin-RevId: 0218fd86bb09eea638be20dd96bd248ce498a399

java/java-tests/testData/codeInsight/splitIfAction/afterCommentBeforeElse2.java

@@ -1,5 +1,5 @@
 class C {
-    void foo() {
+    void foo(boolean a, boolean b, boolean c) {
         if (a) {
             if (b) {
                 call();

java/java-tests/testData/codeInsight/splitIfAction/afterIncomplete2.java

@@ -0,0 +1,8 @@
+public class SplitCondition {
+  void test(int x) {
+      if (x > 0) {
+          if (x < 10) {
+          } else if (x > 0 && x > 50)
+      } else if (x > 0 && x > 50)
+  }
+}

java/java-tests/testData/codeInsight/splitIfAction/afterRedundantChainedCondition.java

@@ -0,0 +1,11 @@
+public class SplitCondition {
+  private static void appendString(String phrase) {
+      if (phrase != null) {
+          if (phrase.contains("abc")) {
+              System.out.println("abc!");
+          }
+      } else {
+          System.out.println("null");
+      }
+  }
+}

java/java-tests/testData/codeInsight/splitIfAction/beforeCommentBeforeElse2.java

@@ -1,5 +1,5 @@
 class C {
-    void foo() {
+    void foo(boolean a, boolean b, boolean c) {
         if (a &<caret>& b) {
             call();
         } // foo

java/java-tests/testData/codeInsight/splitIfAction/beforeIncomplete2.java

@@ -0,0 +1,6 @@
+public class SplitCondition {
+  void test(int x) {
+    if(x > 0 &<caret>& x < 10) {}
+    else if(x > 0 && x > 50)
+  }
+}

java/java-tests/testData/codeInsight/splitIfAction/beforeRedundantChainedCondition.java

@@ -0,0 +1,10 @@
+public class SplitCondition {
+  private static void appendString(String phrase) {
+    if (phrase != null &<caret>& phrase.contains("abc")) {
+      System.out.println("abc!");
+    }
+    else if (phrase == null) {
+      System.out.println("null");
+    }
+  }
+}