| /* |
| * Copyright (c) 2016, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 TestStableUByte |
| * @summary tests on stable fields and arrays |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.vm.annotation |
| * @build sun.hotspot.WhiteBox |
| * |
| * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:-TieredCompilation |
| * -XX:+FoldStableValues |
| * -XX:CompileOnly=::get,::get1 |
| * compiler.stable.TestStableUByte |
| * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:-TieredCompilation |
| * -XX:-FoldStableValues |
| * -XX:CompileOnly=::get,::get1 |
| * compiler.stable.TestStableUByte |
| * |
| * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:+FoldStableValues |
| * -XX:CompileOnly=::get,::get1 |
| * compiler.stable.TestStableUByte |
| * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:-FoldStableValues |
| * -XX:CompileOnly=::get,::get1 |
| * compiler.stable.TestStableUByte |
| */ |
| |
| package compiler.stable; |
| |
| import jdk.internal.vm.annotation.Stable; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| public class TestStableUByte { |
| static final boolean isStableEnabled = StableConfiguration.isStableEnabled; |
| |
| public static void main(String[] args) throws Exception { |
| run(UByteStable.class); |
| run(UByteArrayDim1.class); |
| |
| if (failed) { |
| throw new Error("TEST FAILED"); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class UByteStable { |
| public @Stable byte v; |
| |
| public static final UByteStable c = new UByteStable(); |
| |
| public static int get() { return c.v & 0xFF; } |
| |
| public static void test() throws Exception { |
| byte v1 = -1, v2 = 1; |
| |
| c.v = v1; int r1 = get(); |
| c.v = v2; int r2 = get(); |
| |
| assertEquals(r1, v1 & 0xFF); |
| assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFF); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class UByteArrayDim1 { |
| public @Stable byte[] v; |
| |
| public static final UByteArrayDim1 c = new UByteArrayDim1(); |
| |
| public static byte[] get() { return c.v; } |
| public static int get1() { return get()[0] & 0xFF; } |
| |
| public static void test() throws Exception { |
| byte v1 = -1, v2 = 1; |
| |
| c.v = new byte[1]; |
| c.v[0] = v1; int r1 = get1(); |
| c.v[0] = v2; int r2 = get1(); |
| |
| assertEquals(r1, v1 & 0xFF); |
| assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFF); |
| } |
| } |
| |
| /* ==================================================== */ |
| // Auxiliary methods |
| static void assertEquals(int i, int j) { if (i != j) throw new AssertionError(i + " != " + j); } |
| static void assertTrue(boolean b) { if (!b) throw new AssertionError(); } |
| |
| static boolean failed = false; |
| |
| public static void run(Class<?> test) { |
| Throwable ex = null; |
| System.out.print(test.getName()+": "); |
| try { |
| test.getMethod("test").invoke(null); |
| } catch (InvocationTargetException e) { |
| ex = e.getCause(); |
| } catch (Throwable e) { |
| ex = e; |
| } finally { |
| if (ex == null) { |
| System.out.println("PASSED"); |
| } else { |
| failed = true; |
| System.out.println("FAILED"); |
| ex.printStackTrace(System.out); |
| } |
| } |
| } |
| } |