7039822: Project Coin: add explicit tests for the lub of an exception parameter
Reviewed-by: mcimadamore, jjg
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/multicatch/Neg07.java Wed Apr 27 17:03:24 2011 -0700
@@ -0,0 +1,50 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 7039822
+ * @summary Verify typing of lub of exception parameter w.r.t getClass
+ * @author Joseph D. Darcy
+ * @compile/fail/ref=Neg07.out -XDrawDiagnostics Neg07.java
+ */
+
+public class Neg07 {
+ private static void test(int i) {
+ try {
+ thrower(i);
+ } catch (SonException | DaughterException e) {
+ Class<? extends HasFoo> clazz2 = e.getClass(); // Rejected!
+ HasFoo m = e;
+ e.foo();
+ }
+ }
+
+ private static interface HasFoo {
+ void foo();
+ }
+
+ static void thrower(int i) throws SonException, DaughterException {
+ if (i == 0)
+ throw new SonException();
+ else
+ throw new DaughterException();
+ }
+
+ private static class ParentException extends RuntimeException {}
+
+ private static class SonException
+ extends ParentException
+ implements HasFoo {
+
+ public void foo() {
+ System.out.println("SonException.foo");
+ }
+ }
+
+ private static class DaughterException
+ extends ParentException
+ implements HasFoo {
+
+ public void foo() {
+ System.out.println("DaughterException.foo");
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/multicatch/Neg07.out Wed Apr 27 17:03:24 2011 -0700
@@ -0,0 +1,2 @@
+Neg07.java:14:56: compiler.err.prob.found.req: (compiler.misc.incompatible.types), java.lang.Class<compiler.misc.type.captureof: 1, ? extends Neg07.ParentException>, java.lang.Class<? extends Neg07.HasFoo>
+1 error
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/multicatch/Pos10.java Wed Apr 27 17:03:24 2011 -0700
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2011, 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 7039822
+ * @summary Verify lub of an exception parameter can be an intersection type
+ * @author Joseph D. Darcy
+ */
+
+public class Pos10 {
+ public static void main(String... args) {
+ test(0);
+ test(1);
+
+ if (record != 0b11)
+ throw new RuntimeException("Unexpected exception execution: " +
+ record);
+ if (closeRecord != 0b11)
+ throw new RuntimeException("Unexpected close execution: " +
+ closeRecord);
+ }
+
+ private static int record = 0;
+ private static int closeRecord = 0;
+
+ private static void test(int i) {
+ try {
+ thrower(i);
+ } catch (SonException | DaughterException e) {
+ Class<? extends ParentException> clazz = e.getClass();
+ HasFoo m = e;
+ e.foo();
+
+ try (AutoCloseable ac = e) {
+ e.toString();
+ } catch(Exception except) {
+ throw new RuntimeException(except);
+ }
+ }
+ }
+
+ private static interface HasFoo {
+ void foo();
+ }
+
+ private static void thrower(int i) throws SonException, DaughterException {
+ if (i == 0)
+ throw new SonException();
+ else
+ throw new DaughterException();
+ }
+
+ private static class ParentException extends RuntimeException {}
+
+ private static class SonException
+ extends ParentException
+ implements HasFoo, AutoCloseable {
+
+ public void foo() {
+ record |= 0b01;
+ }
+
+ @Override
+ public void close() {
+ closeRecord |= 0b01;
+ }
+ }
+
+ private static class DaughterException
+ extends ParentException
+ implements HasFoo, AutoCloseable {
+
+ public void foo() {
+ record |= 0b10;
+ }
+
+ @Override
+ public void close() {
+ closeRecord |= 0b10;
+ }
+ }
+}