changeset 51547:39fb108ceec8 switch

Adding example for compiler.misc.incompatible.type.in.switch.expression.
author jlahoda
date Wed, 11 Jul 2018 11:06:01 +0200
parents df740011e563
children bd1b9d9af00d
files test/langtools/tools/javac/diags/examples/IncompatibleTypesInSwitchExpression.java
diffstat 1 files changed, 38 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/diags/examples/IncompatibleTypesInSwitchExpression.java	Wed Jul 11 11:06:01 2018 +0200
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2012, 2018, 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.
+ */
+
+// key: compiler.err.prob.found.req
+// key: compiler.misc.incompatible.type.in.switch.expression
+// key: compiler.misc.inconvertible.types
+// key: compiler.note.preview.filename
+// key: compiler.note.preview.recompile
+// options: --enable-preview -source 12
+
+
+class IncompatibleTypesInSwitchExpression {
+
+    interface A { }
+    interface B { }
+
+    B b = switch (0) { case 0 -> (A)null; default -> (B)null; };
+}