/* * Copyright (c) 2024, 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 8331212 * @summary Verify error recovery w.r.t. Flow * @library /tools/lib * @enablePreview * @modules jdk.compiler/com.sun.tools.javac.api * jdk.compiler/com.sun.tools.javac.main * java.base/jdk.internal.classfile.impl * @build toolbox.ToolBox toolbox.JavacTask * @run main FlowRecovery */ import java.nio.file.Path; import java.util.List; import java.util.Objects; import toolbox.JavacTask; import toolbox.Task.Expect; import toolbox.Task.OutputKind; import toolbox.TestRunner; import toolbox.ToolBox; public class FlowRecovery extends TestRunner { ToolBox tb; public FlowRecovery() { super(System.err); tb = new ToolBox(); } public static void main(String[] args) throws Exception { FlowRecovery t = new FlowRecovery(); t.runTests(); } @Test //8331212 public void testYieldErrors() throws Exception { String code = """ class Test { public boolean test() { return switch (0) { case 0 -> true; default -> {} }; } } """; Path curPath = Path.of("."); List actual = new JavacTask(tb) .options("-XDrawDiagnostics", "-XDdev") .sources(code) .outdir(curPath) .run(Expect.FAIL) .writeAll() .getOutputLines(OutputKind.DIRECT); List expected = List.of( "Test.java:5:25: compiler.err.rule.completes.normally", "1 error" ); if (!Objects.equals(actual, expected)) { error("Expected: " + expected + ", but got: " + actual); } } }