push down: substitute pushed dependencies (IDEA-86870)

java/java-tests/testData/refactoring/pushDown/PreserveTypeArgs.java

@@ -0,0 +1,6 @@
+import java.util.*;
+abstract class Test implements List<String> {
+}
+
+abstract class B extends Test {
+}

java/java-tests/testData/refactoring/pushDown/PreserveTypeArgs.java.after

@@ -0,0 +1,6 @@
+import java.util.*;
+abstract class Test {
+}
+
+abstract class B extends Test implements List<String> {
+}

java/java-tests/testData/refactoring/pushDown/SubstTypeArgs.java

@@ -0,0 +1,6 @@
+import java.util.*;
+abstract class Test<T> implements List<T> {
+}
+
+abstract class B extends Test<String> {
+}

java/java-tests/testData/refactoring/pushDown/SubstTypeArgs.java.after

@@ -0,0 +1,6 @@
+import java.util.*;
+abstract class Test<T> {
+}
+
+abstract class B extends Test<String> implements List<String> {
+}

java/java-tests/testSrc/com/intellij/refactoring/PushDownTest.java

@@ -120,6 +120,18 @@ public class PushDownTest extends LightRefactoringTestCase {
   }
 
   public void testSameClassInterface() throws Exception {
+    doTestImplements();
+  }
+
+  public void testPreserveTypeArgs() throws Exception {
+    doTestImplements();
+  }
+  
+  public void testSubstTypeArgs() throws Exception {
+    doTestImplements();
+  }
+
+  private void doTestImplements() {
     final String filePath = "/refactoring/pushDown/" + getTestName(false) + ".java";
     configureByFile(filePath);