6971877: Project Coin: improve semantics of suppressed exceptions in try-with-resources
Reviewed-by: jjb
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/TryWithResources/TwrSuppression.java Mon Aug 02 13:35:39 2010 -0700
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2010, 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 6971877
+ * @author Joseph D. Darcy
+ * @summary Verify a primary exception suppresses all throwables
+ */
+
+public class TwrSuppression implements AutoCloseable {
+ public static void main(String... args) throws Throwable {
+ try {
+ try (TwrSuppression r1 = new TwrSuppression(false);
+ TwrSuppression r2 = new TwrSuppression(true)) {
+ throw new RuntimeException();
+ }
+ } catch(RuntimeException e) {
+ Throwable[] suppressedExceptions = e.getSuppressedExceptions();
+ int length = suppressedExceptions.length;
+ if (length != 2)
+ throw new RuntimeException("Unexpected length " + length);
+
+ if (suppressedExceptions[0].getClass() != Error.class ||
+ suppressedExceptions[1].getClass() != Exception.class) {
+ System.err.println("Unexpected suppressed types!");
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ private boolean throwError;
+
+ private TwrSuppression(boolean throwError) {
+ this.throwError = throwError;
+ }
+
+ @Override
+ public void close() throws Exception {
+ if (throwError) {
+ throw new Error();
+ } else {
+ throw new Exception();
+ }
+ }
+}