tests for comparison of changes in classes

jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivateFunChanged/new.kt

@@ -0,0 +1,15 @@
+package test
+
+class ClassWithPrivateFunAdded {
+    private fun privateFun() {}
+    val s = "20"
+}
+
+class ClassWithPrivateFunRemoved {
+    public fun unchangedFun() {}
+}
+
+class ClassWithPrivateFunSignatureChanged {
+    private fun privateFun(arg: Int) {}
+    public fun unchangedFun() {}
+}

jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivateFunChanged/old.kt

@@ -0,0 +1,15 @@
+package test
+
+class ClassWithPrivateFunAdded {
+    val s = "20"
+}
+
+class ClassWithPrivateFunRemoved {
+    private fun privateFun() {}
+    public fun unchangedFun() {}
+}
+
+class ClassWithPrivateFunSignatureChanged {
+    private fun privateFun(arg: String) {}
+    public fun unchangedFun() {}
+}

jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivateFunChanged/result.out

@@ -0,0 +1,3 @@
+changes in test/ClassWithPrivateFunAdded: NONE
+changes in test/ClassWithPrivateFunRemoved: NONE
+changes in test/ClassWithPrivateFunSignatureChanged: NONE