/* * Copyright (c) 2023, 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 9999999 * @summary Tests for unnamed variables * @library /tools/lib * @modules jdk.compiler/com.sun.tools.javac.api * jdk.compiler/com.sun.tools.javac.main * jdk.jshell * @build Compiler KullaTesting TestingInputStream ExpectedDiagnostic * @run testng UnnamedTest */ import java.util.function.Consumer; import jdk.jshell.VarSnippet; import org.testng.Assert; import org.testng.annotations.Test; import jdk.jshell.JShell; public class UnnamedTest extends KullaTesting { @Test public void unnamed() { VarSnippet sn1 = varKey(assertEval("int _ = 0;")); VarSnippet sn2 = varKey(assertEval("String _ = \"x\";")); Assert.assertEquals(getState().varValue(sn1), "0"); Assert.assertEquals(getState().varValue(sn2), "\"x\""); } @Override public void setUp(Consumer bc) { super.setUp(bc.andThen(b -> b.compilerOptions("--enable-preview", "--source", System.getProperty("java.specification.version")))); } }