--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/invoke/CallSiteTest.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,163 @@
+/*
+ * 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");
+ }
+}