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test/runtime/lambda-features/TestInterfaceInit.java@6cbff0651f1a (annotated)

test/runtime/lambda-features/TestInterfaceInit.java

Mon, 06 Nov 2017 16:51:47 +0800

author

aoqi

date

Mon, 06 Nov 2017 16:51:47 +0800

changeset 7997

6cbff0651f1a

parent 7290

90257dfad6e3

child 8640

d2e8a8cd4166

permissions

-rw-r--r--

[Code Reorganization] remove trailing whitespace to pass jcheck test

acorn@7290	1	/*
acorn@7290	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
acorn@7290	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
acorn@7290	4	*
acorn@7290	5	* This code is free software; you can redistribute it and/or modify it
acorn@7290	6	* under the terms of the GNU General Public License version 2 only, as
acorn@7290	7	* published by the Free Software Foundation.
acorn@7290	8	*
acorn@7290	9	* This code is distributed in the hope that it will be useful, but WITHOUT
acorn@7290	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
acorn@7290	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
acorn@7290	12	* version 2 for more details (a copy is included in the LICENSE file that
acorn@7290	13	* accompanied this code).
acorn@7290	14	*
acorn@7290	15	* You should have received a copy of the GNU General Public License version
acorn@7290	16	* 2 along with this work; if not, write to the Free Software Foundation,
acorn@7290	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
acorn@7290	18	*
acorn@7290	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
acorn@7290	20	* or visit www.oracle.com if you need additional information or have any
acorn@7290	21	* questions.
acorn@7290	22	*
acorn@7290	23	*/
acorn@7290	24
acorn@7290	25	/*
acorn@7290	26	* @test
acorn@7290	27	* @bug 8034275
acorn@7290	28	* @summary [JDK 8u40] Test interface initialization: only for interfaces declaring default methods
acorn@7290	29	* @run main TestInterfaceInit
acorn@7290	30	*/
acorn@7290	31	import java.util.List;
acorn@7290	32	import java.util.Arrays;
acorn@7290	33	import java.util.ArrayList;
acorn@7290	34
acorn@7290	35	public class TestInterfaceInit {
acorn@7290	36
acorn@7290	37	static List<Class<?>> cInitOrder = new ArrayList<>();
acorn@7290	38
acorn@7290	39	// Declares a default method and initializes
acorn@7290	40	interface I {
acorn@7290	41	boolean v = TestInterfaceInit.out(I.class);
acorn@7290	42	default void x() {}
acorn@7290	43	}
acorn@7290	44
acorn@7290	45	// Declares a default method and initializes
acorn@7290	46	interface J extends I {
acorn@7290	47	boolean v = TestInterfaceInit.out(J.class);
acorn@7290	48	default void x() {}
acorn@7290	49	}
acorn@7290	50	// No default method, does not initialize
acorn@7290	51	interface JN extends J {
acorn@7290	52	boolean v = TestInterfaceInit.out(JN.class);
acorn@7290	53	}
acorn@7290	54
acorn@7290	55	// Declares a default method and initializes
acorn@7290	56	interface K extends I {
acorn@7290	57	boolean v = TestInterfaceInit.out(K.class);
acorn@7290	58	default void x() {}
acorn@7290	59	}
acorn@7290	60
acorn@7290	61	// No default method, does not initialize
acorn@7290	62	interface KN extends K {
acorn@7290	63	boolean v = TestInterfaceInit.out(KN.class);
acorn@7290	64	}
acorn@7290	65
acorn@7290	66	interface L extends JN, KN {
acorn@7290	67	boolean v = TestInterfaceInit.out(L.class);
acorn@7290	68	default void x() {}
acorn@7290	69	}
acorn@7290	70
acorn@7290	71	public static void main(String[] args) {
acorn@7290	72	// Trigger initialization
acorn@7290	73	boolean v = L.v;
acorn@7290	74
acorn@7290	75	List<Class<?>> expectedCInitOrder = Arrays.asList(I.class,J.class,K.class,L.class);
acorn@7290	76	if (!cInitOrder.equals(expectedCInitOrder)) {
acorn@7290	77	throw new RuntimeException(String.format("Class initialization array %s not equal to expected array %s", cInitOrder, expectedCInitOrder));
acorn@7290	78	}
acorn@7290	79	}
acorn@7290	80
acorn@7290	81	static boolean out(Class c) {
acorn@7290	82	System.out.println("#: initializing " + c.getName());
acorn@7290	83	cInitOrder.add(c);
acorn@7290	84	return true;
acorn@7290	85	}
acorn@7290	86
acorn@7290	87	}