Mercurial > hg > jdk9-shenandoah > langtools
view test/tools/javac/generics/inference/8058199/T8058199.java @ 3014:a3dd196e5341
8133671: langtools tests have bad license
Summary: Dropped classpath exception from copyright notice in tests.
Reviewed-by: jjg
author | alundblad |
---|---|
date | Wed, 26 Aug 2015 09:02:02 +0200 |
parents | 103d3df93bbd |
children |
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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 8058199 * @summary Code generation problem with javac skipping a checkcast instruction */ public class T8058199 { final static String SYNTHETIC_CAST_TYPE = "[Ljava.lang.String;"; @SuppressWarnings("unchecked") <Z> Z[] makeArr(Z z) { return (Z[])new Object[1]; } <U> void check(U u) { } void testMethod() { test(() -> check(makeArr(""))); } void testNewDiamond() { class Check<X> { Check(X x) { } } test(()-> new Check<>(makeArr(""))); } void testNewGeneric() { class Check { <Z> Check(Z z) { } } test(()-> new Check(makeArr(""))); } private void test(Runnable r) { try { r.run(); throw new AssertionError("Missing synthetic cast"); } catch (ClassCastException cce) { if (!cce.getMessage().contains(SYNTHETIC_CAST_TYPE)) { throw new AssertionError("Bad type in synthetic cast", cce); } } } public static void main(String[] args) { T8058199 test = new T8058199(); test.testMethod(); test.testNewDiamond(); test.testNewGeneric(); } }