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8003280: Add lambda tests

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Turn on lambda expression, method reference and default method support

Reviewed-by: jjg
This commit is contained in:
Maurizio Cimadamore 2012-11-17 19:01:03 +00:00
parent c39f1d99b4
commit a494f0ab86
451 changed files with 15433 additions and 488 deletions
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82
langtools/test/tools/javac/lambda/methodReference/MethodRef1.java Normal file
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/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8003280
* @summary Add lambda tests
* Test static method reference
* @compile MethodRef1.java
* @run main MethodRef1
*/
public class MethodRef1 {
static interface A {void m();}
static interface B {void m(int i);}
static interface C {String m(String s);}
private static void assertTrue(boolean cond) {
if (!cond)
throw new AssertionError();
}
static void foo(int x) {
System.out.println("MethodRef1.foo(int) " + x);
}
static void bar() {
System.out.println("MethodRef1.bar()");
}
static void bar(int x) {
System.out.println("MethodRef1.bar(int) " + x);
}
static String bar(String s) {
return "MethodRef1.bar(String) " + s;
}
public static void main(String[] args) {
A a = MethodRef1::bar; //static reference to bar()
a.m();
B b = MethodRef1::foo; //static reference to foo(int), (int) omitted because method foo is not overloaded
b.m(1);
b = MethodRef1::foo; //static reference to foo(int)
b.m(1);
b = new MethodRef1()::foo; //instance reference to static methods, supported for now
b.m(1);
b = MethodRef1::bar; //static reference to bar(int)
b.m(2);
C c = MethodRef1::bar; //static reference to bar(String)
assertTrue( c.m("hi").equals("MethodRef1.bar(String) hi") );
}
}