--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/ConstantArrayReadFoldingTest.java 2016-12-07 13:48:18.822339927 -0800 @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015, 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; + +import org.junit.Test; + +public class ConstantArrayReadFoldingTest extends GraalCompilerTest { + + enum E { + A(0.001), + B(0.01), + C(0.5), + D(2.0), + E(3.0), + F(4.0), + G(5.0); + + public final double ceiling; + public double weight; + + E(double ceiling) { + this.ceiling = ceiling; + } + } + + public Object test1Snippet(double value) { + for (E kind : E.values()) { + if (value <= kind.ceiling) { + return kind; + } + } + throw new IllegalArgumentException(); + } + + @Test + public void test1() { + test("test1Snippet", 1.0); + test("test1Snippet", 2.0); + } + +}