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/*
* Copyright (c) 2016, 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.
*/
/*
* @test TestStableUShort
* @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.TestStableUShort
* @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
* -XX:-TieredCompilation
* -XX:-FoldStableValues
* -XX:CompileOnly=::get,::get1
* compiler.stable.TestStableUShort
*
* @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.TestStableUShort
* @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.TestStableUShort
*/
package compiler.stable;
import jdk.internal.vm.annotation.Stable;
import java.lang.reflect.InvocationTargetException;
public class TestStableUShort {
static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
public static void main(String[] args) throws Exception {
run(UShortStable.class);
run(UShortArrayDim1.class);
if (failed) {
throw new Error("TEST FAILED");
}
}
/* ==================================================== */
static class UShortStable {
public @Stable short v;
public static final UShortStable c = new UShortStable();
public static int get() { return c.v & 0xFFFF; }
public static void test() throws Exception {
short v1 = -1, v2 = 1;
c.v = v1; int r1 = get();
c.v = v2; int r2 = get();
assertEquals(r1, v1 & 0xFFFF);
assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
}
}
/* ==================================================== */
static class UShortArrayDim1 {
public @Stable short[] v;
public static final UShortArrayDim1 c = new UShortArrayDim1();
public static short[] get() { return c.v; }
public static int get1() { return get()[0] & 0xFFFF; }
public static void test() throws Exception {
short v1 = -1, v2 = 1;
c.v = new short[1];
c.v[0] = v1; int r1 = get1();
c.v[0] = v2; int r2 = get1();
assertEquals(r1, v1 & 0xFFFF);
assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
}
}
/* ==================================================== */
// 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);
}
}
}
}
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