/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ class Main implements Iface, Iface2 { public static void main(String[] args) { System.loadLibrary(args[0]); System.out.println("Create Main instance"); Main m = new Main(); System.out.println("Calling functions on concrete Main"); callMain(m); } public static void callMain(Main m) { System.out.println("Calling non-conflicting function on Main"); m.test(); long main_id = GetMethodId(false, Main.class, "test", "()V"); long iface_id = GetMethodId(false, Iface.class, "test", "()V"); try { long iface2_id = GetMethodId(false, Main.class, "test", "()V"); System.out.println("Unexpected normal exit from GetMethodId"); } catch (NoSuchMethodError e) { System.out.println("Expected NoSuchMethodError thrown on Iface2"); } if (main_id != iface_id) { throw new Error("Default methods have different method ids"); } CallNonvirtual(m, Main.class, main_id); System.out.println("Calling conflicting function on Main"); try { m.test_throws(); } catch (IncompatibleClassChangeError e) { System.out.println("Expected ICCE on main"); } long main_throws_id = GetMethodId(false, Main.class, "test_throws", "()V"); long iface_throws_id = GetMethodId(false, Iface.class, "test_throws", "()V"); long iface2_throws_id = GetMethodId(false, Iface2.class, "test_throws", "()V"); if (main_throws_id == iface_throws_id || main_throws_id == iface2_throws_id) { System.out.println( "Unexpected: method id of default conflicting matches one of the interface methods"); } try { CallNonvirtual(m, Main.class, main_throws_id); } catch (IncompatibleClassChangeError e) { System.out.println("Expected ICCE on main"); } return; } private static native long GetMethodId(boolean is_static, Class k, String name, String sig); private static native long CallNonvirtual(Object obj, Class k, long methodid); }