| /* |
| * Copyright (c) 2011, 2012, 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 |
| * @summary smoke tests for CallSite |
| * |
| * @build indify.Indify |
| * @compile CallSiteTest.java |
| * @run main/othervm/timeout=3600 -XX:+IgnoreUnrecognizedVMOptions -XX:-VerifyDependencies |
| * indify.Indify |
| * --expand-properties --classpath ${test.classes} |
| * --java test.java.lang.invoke.CallSiteTest |
| */ |
| |
| package test.java.lang.invoke; |
| |
| import java.io.*; |
| |
| import java.lang.invoke.*; |
| import static java.lang.invoke.MethodHandles.*; |
| import static java.lang.invoke.MethodType.*; |
| |
| public class CallSiteTest { |
| private static final Class<?> CLASS = CallSiteTest.class; |
| |
| private static CallSite mcs; |
| private static CallSite vcs; |
| private static MethodHandle mh_foo; |
| private static MethodHandle mh_bar; |
| |
| static { |
| try { |
| mh_foo = lookup().findStatic(CLASS, "foo", methodType(int.class, int.class, int.class)); |
| mh_bar = lookup().findStatic(CLASS, "bar", methodType(int.class, int.class, int.class)); |
| mcs = new MutableCallSite(mh_foo); |
| vcs = new VolatileCallSite(mh_foo); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void main(String... av) throws Throwable { |
| testMutableCallSite(); |
| testVolatileCallSite(); |
| } |
| |
| private static final int N = Integer.MAX_VALUE / 100; |
| private static final int RESULT1 = 762786192; |
| private static final int RESULT2 = -21474836; |
| |
| private static void assertEquals(int expected, int actual) { |
| if (expected != actual) |
| throw new AssertionError("expected: " + expected + ", actual: " + actual); |
| } |
| |
| private static void testMutableCallSite() throws Throwable { |
| // warm-up |
| for (int i = 0; i < 20000; i++) { |
| mcs.setTarget(mh_foo); |
| } |
| // run |
| for (int n = 0; n < 2; n++) { |
| mcs.setTarget(mh_foo); |
| for (int i = 0; i < 5; i++) { |
| assertEquals(RESULT1, runMutableCallSite()); |
| } |
| mcs.setTarget(mh_bar); |
| for (int i = 0; i < 5; i++) { |
| assertEquals(RESULT2, runMutableCallSite()); |
| } |
| } |
| } |
| private static void testVolatileCallSite() throws Throwable { |
| // warm-up |
| for (int i = 0; i < 20000; i++) { |
| vcs.setTarget(mh_foo); |
| } |
| // run |
| for (int n = 0; n < 2; n++) { |
| vcs.setTarget(mh_foo); |
| for (int i = 0; i < 5; i++) { |
| assertEquals(RESULT1, runVolatileCallSite()); |
| } |
| vcs.setTarget(mh_bar); |
| for (int i = 0; i < 5; i++) { |
| assertEquals(RESULT2, runVolatileCallSite()); |
| } |
| } |
| } |
| |
| private static int runMutableCallSite() throws Throwable { |
| int sum = 0; |
| for (int i = 0; i < N; i++) { |
| sum += (int) INDY_mcs().invokeExact(i, i+1); |
| } |
| return sum; |
| } |
| private static int runVolatileCallSite() throws Throwable { |
| int sum = 0; |
| for (int i = 0; i < N; i++) { |
| sum += (int) INDY_vcs().invokeExact(i, i+1); |
| } |
| return sum; |
| } |
| |
| static int foo(int a, int b) { return a + b; } |
| static int bar(int a, int b) { return a - b; } |
| |
| private static MethodType MT_bsm() { |
| shouldNotCallThis(); |
| return methodType(CallSite.class, Lookup.class, String.class, MethodType.class); |
| } |
| |
| private static CallSite bsm_mcs(Lookup caller, String name, MethodType type) throws ReflectiveOperationException { |
| return mcs; |
| } |
| private static MethodHandle MH_bsm_mcs() throws ReflectiveOperationException { |
| shouldNotCallThis(); |
| return lookup().findStatic(lookup().lookupClass(), "bsm_mcs", MT_bsm()); |
| } |
| private static MethodHandle INDY_mcs() throws Throwable { |
| shouldNotCallThis(); |
| return ((CallSite) MH_bsm_mcs().invoke(lookup(), "foo", methodType(int.class, int.class, int.class))).dynamicInvoker(); |
| } |
| |
| private static CallSite bsm_vcs(Lookup caller, String name, MethodType type) throws ReflectiveOperationException { |
| return vcs; |
| } |
| private static MethodHandle MH_bsm_vcs() throws ReflectiveOperationException { |
| shouldNotCallThis(); |
| return lookup().findStatic(lookup().lookupClass(), "bsm_vcs", MT_bsm()); |
| } |
| private static MethodHandle INDY_vcs() throws Throwable { |
| shouldNotCallThis(); |
| return ((CallSite) MH_bsm_vcs().invoke(lookup(), "foo", methodType(int.class, int.class, int.class))).dynamicInvoker(); |
| } |
| |
| private static void shouldNotCallThis() { |
| // if this gets called, the transformation has not taken place |
| throw new AssertionError("this code should be statically transformed away by Indify"); |
| } |
| } |