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8048121: javac complex method references: revamp and simplify

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8038776: VerifyError when running successfully compiled java class

Add tests missing from the push of 8037404

Reviewed-by: dlsmith, vromero
This commit is contained in:
Robert Field 2014-06-25 11:22:27 -07:00
parent 7aa3c59051
commit 30f70a0e1d
10 changed files with 575 additions and 0 deletions
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70
langtools/test/tools/javac/lambda/methodReference/MethodRefSingleRefEvalBridge.java Normal file
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/*
* Copyright (c) 2014, 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 8048121
* @summary javac complex method references: revamp and simplify
*
* Make sure that the method reference receiver is evaluated exactly once
* even in this bridging case.
*/
public class MethodRefSingleRefEvalBridge {
interface SAM {
int m();
}
class ZZ {
// private to force bridging
private int four() { return 4; }
}
static int count = 0;
ZZ azz = new ZZ();
static void assertEqual(int expected, int got) {
if (got != expected)
throw new AssertionError("Expected " + expected + " got " + got);
}
public static void main(String[] args) {
new MethodRefSingleRefEvalBridge().test();
}
ZZ check() {
count++;
return azz;
}
void test() {
count = 0;
SAM s = check()::four;
assertEqual(1, count);
count = 0;
assertEqual(4, s.m());
assertEqual(0, count);
}
}