Field can be local: added support for nested and local classes (IDEA-206647)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterLocalClass.java

@@ -0,0 +1,12 @@
+// "Convert field to local variable in method 'test'" "true"
+class Foo {
+  void test() {
+    class Bar {
+
+        void test() {
+            int x = 2; // could be local
+            System.out.println(x);
+      }
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterLocalClassMultipleMethods.java

@@ -0,0 +1,19 @@
+// "Convert to local" "true"
+class Outer {
+
+  void test() {
+    class Local {
+
+        void foo() {
+            String s = "1";
+        System.out.println(s);
+      }
+
+      void bar() {
+          String s = "2";
+        System.out.println(s);
+      }
+
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterNestedClass.java

@@ -0,0 +1,10 @@
+// "Convert field to local variable in method 'test'" "true"
+class Foo {
+  static class Bar {
+
+      void test() {
+          int x = 2; // could be local
+          System.out.println(x);
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterOtherFieldInitilizer.java

@@ -0,0 +1,7 @@
+// "Convert to local" "true"
+class Test {
+
+    private Runnable r = () -> {
+        String field = "foo";
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeInnerFieldReferencedFromOuterClass.java

@@ -0,0 +1,15 @@
+// "Fix all 'Field can be local' problems in file" "false"
+class Outer {
+
+  void test(Inner inner) {
+    System.out.println(inner.field);
+  }
+
+  class Inner {
+    private final String f<caret>ield;
+
+    Inner(String field) {
+      this.field = field;
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeLocalClass.java

@@ -0,0 +1,13 @@
+// "Convert field to local variable in method 'test'" "true"
+class Foo {
+  void test() {
+    class Bar {
+      private int <caret>x;
+
+      void test() {
+        x = 2; // could be local
+        System.out.println(x);
+      }
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeLocalClassMultipleMethods.java

@@ -0,0 +1,20 @@
+// "Convert to local" "true"
+class Outer {
+
+  void test() {
+    class Local {
+      private String <caret>s;
+
+      void foo() {
+        s = "1";
+        System.out.println(s);
+      }
+
+      void bar() {
+        s = "2";
+        System.out.println(s);
+      }
+
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeNestedClass.java

@@ -0,0 +1,11 @@
+// "Convert field to local variable in method 'test'" "true"
+class Foo {
+  static class Bar {
+    private int <caret>x;
+
+    void test() {
+      x = 2; // could be local
+      System.out.println(x);
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeOtherFieldInitilizer.java

@@ -0,0 +1,9 @@
+// "Convert to local" "true"
+class Test {
+
+  private String <caret>field;
+
+  private Runnable r = () -> {
+    field = "foo";
+  }
+}