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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 that parameter types are inferred from SAM descriptor when method parameters are elided,
with different types of method references
* @compile MethodRef7.java
* @run main MethodRef7
*/
public class MethodRef7 {
static interface A {void m();}
static interface A2 {void m(int n);}
static interface B {String m();}
static interface B2 {String m(int n);}
static interface C {String m(MethodRef7 mr);}
static interface C2 {String m(MethodRef7 mr, int n);}
static interface D {Fee<String> m();}
static interface D2 {Fee<String> m(String s);}
static class Fee<T> {
public Fee() {
System.out.println("Fee<T> instantiated");
}
public Fee(String s) {
System.out.println("Fee<T> instantiated: " + s);
}
}
private static void assertTrue(boolean cond) {
if (!cond)
throw new AssertionError();
}
static void bar() {
System.out.println("MethodRef_neg1.bar()");
}
static void bar(int x) {
System.out.println("MethodRef_neg1.bar(int) " + x);
}
String wahoo() {
return "wahoo";
}
String wahoo(int x) {
return "wahoo " + x;
}
public static void main(String[] args) {
A a = MethodRef7::bar; //static reference to bar()
a.m();
A2 a2 = MethodRef7::bar; //static reference to bar(int x)
a2.m(10);
MethodRef7 mr = new MethodRef7();
B b = mr::wahoo; //instance reference to wahoo()
assertTrue(b.m().equals("wahoo"));
B2 b2 = mr::wahoo; //instance reference to wahoo(int x)
assertTrue(b2.m(1).equals("wahoo 1"));
C c = MethodRef7::wahoo; //unbound reference to wahoo()
assertTrue(c.m(mr).equals("wahoo"));
C2 c2 = MethodRef7::wahoo; //unbound reference to wahoo(int x)
assertTrue(c2.m(mr, 2).equals("wahoo 2"));
D d = Fee<String>::new; //constructor reference to Fee()
D2 d2 = Fee<String>::new; //constructor reference to Fee(String s)
}
}
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