test/tools/javac/lambda/ErroneousLambdaExpr.java

changeset 2377
b5c2375893e2
parent 2000
4a6acc42c3a1
equal deleted inserted replaced
2365:df2905323914 2377:b5c2375893e2
1 /*
2 * Copyright (c) 2012, 2013 Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8003280
27 * @summary Add lambda tests
28 * stale state after speculative attribution round leads to missing classfiles
29 * @compile/fail/ref=ErroneousLambdaExpr.out -XDrawDiagnostics ErroneousLambdaExpr.java
30 */
31 public class ErroneousLambdaExpr<T> {
32
33 static int assertionCount = 0;
34
35 static void assertTrue(boolean cond) {
36 assertionCount++;
37 if (!cond)
38 throw new AssertionError();
39 }
40
41 interface SAM1<X> {
42 X m(X t, String s);
43 }
44
45 interface SAM2 {
46 void m(String s, int i);
47 }
48
49 interface SAM3<X> {
50 X m(X t, String s, int i);
51 }
52
53 void call(SAM1<T> s1) { assertTrue(true); }
54
55 void call(SAM2 s2) { assertTrue(false); }
56
57 void call(SAM3<T> s3) { assertTrue(false); }
58
59 public static void main(String[] args) {
60 ErroneousLambdaExpr<StringBuilder> test =
61 new ErroneousLambdaExpr<>();
62
63 test.call((builder, string) -> { builder.append(string); return builder; });
64 assertTrue(assertionCount == 1);
65 }
66 }

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