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test/tools/javac/lambda/methodReference/MethodRef1.java@959103a6100f (annotated)

test/tools/javac/lambda/methodReference/MethodRef1.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/**
aoqi@0	25	* @test
aoqi@0	26	* @bug 8003280
aoqi@0	27	* @summary Add lambda tests
aoqi@0	28	* Test static method reference
aoqi@0	29	* @compile MethodRef1.java
aoqi@0	30	* @run main MethodRef1
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	public class MethodRef1 {
aoqi@0	34
aoqi@0	35	static interface A {void m();}
aoqi@0	36
aoqi@0	37	static interface B {void m(int i);}
aoqi@0	38
aoqi@0	39	static interface C {String m(String s);}
aoqi@0	40
aoqi@0	41	private static void assertTrue(boolean cond) {
aoqi@0	42	if (!cond)
aoqi@0	43	throw new AssertionError();
aoqi@0	44	}
aoqi@0	45
aoqi@0	46	static void foo(int x) {
aoqi@0	47	System.out.println("MethodRef1.foo(int) " + x);
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	static void bar() {
aoqi@0	51	System.out.println("MethodRef1.bar()");
aoqi@0	52	}
aoqi@0	53
aoqi@0	54	static void bar(int x) {
aoqi@0	55	System.out.println("MethodRef1.bar(int) " + x);
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	static String bar(String s) {
aoqi@0	59	return "MethodRef1.bar(String) " + s;
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	public static void main(String[] args) {
aoqi@0	63
aoqi@0	64	A a = MethodRef1::bar; //static reference to bar()
aoqi@0	65	a.m();
aoqi@0	66
aoqi@0	67	B b = MethodRef1::foo; //static reference to foo(int), (int) omitted because method foo is not overloaded
aoqi@0	68	b.m(1);
aoqi@0	69
aoqi@0	70	b = MethodRef1::foo; //static reference to foo(int)
aoqi@0	71	b.m(1);
aoqi@0	72
aoqi@0	73	b = MethodRef1::bar; //static reference to bar(int)
aoqi@0	74	b.m(2);
aoqi@0	75
aoqi@0	76	C c = MethodRef1::bar; //static reference to bar(String)
aoqi@0	77	assertTrue( c.m("hi").equals("MethodRef1.bar(String) hi") );
aoqi@0	78	}
aoqi@0	79	}