src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/deopt/RethrowDeoptMaterializeTest.java
changeset 47216 71c04702a3d5
parent 46509 b32d3928ad6a
child 50858 2d3e99a72541
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/deopt/RethrowDeoptMaterializeTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+/*
+ */
+package org.graalvm.compiler.core.test.deopt;
+
+import org.graalvm.compiler.api.directives.GraalDirectives;
+import org.graalvm.compiler.core.test.GraalCompilerTest;
+import org.graalvm.compiler.nodes.FrameState;
+import org.junit.Test;
+
+public final class RethrowDeoptMaterializeTest extends GraalCompilerTest {
+
+    private static final Object RETURN_VALUE = "1 2 3";
+    private static final RuntimeException DUMMY_EXCEPTION = new RuntimeException();
+
+    static class MyException extends RuntimeException {
+        private static final long serialVersionUID = 0L;
+
+        MyException(Throwable cause) {
+            super(cause);
+        }
+
+        @SuppressWarnings("sync-override")
+        @Override
+        public final Throwable fillInStackTrace() {
+            return null;
+        }
+    }
+
+    public static Object executeDeoptRethrow(int action) {
+
+        try {
+            if (action != 0) {
+                throw new MyException(DUMMY_EXCEPTION);
+            } else if (action == 1) {
+                throw new MyException(null);
+            }
+        } catch (RuntimeException t) {
+            Throwable e = t.getCause();
+            GraalDirectives.deoptimize();
+            if (e != DUMMY_EXCEPTION) {
+                throw t;
+            }
+        }
+        return RETURN_VALUE;
+    }
+
+    /**
+     * This tests that a state with {@link FrameState#rethrowException()} set to true can properly
+     * throw an exception that must be rematerialized.
+     */
+    @Test
+    public void testDeoptRethrow() {
+        test("executeDeoptRethrow", 1);
+    }
+}