src/test/examples/mockito_interface/keep-rules-conditional-on-mock.txt

# Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

-keepattributes *Annotation*

-keep class **.InterfaceUser {
  public static void main(...);
}

-keep class **.InterfaceTest { *; }

# Mockito generates mocks of interface types at runtime. If interface methods are optimized, i.e.,
# stripped out, mock-based tests will fail. So, keep all methods of interfaces if they are used as
# field type and annotated with @Mock.
-if class * {
  @org.mockito.Mock * *;
}
-keep interface <2> {
  <methods>;
}