--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/TestHotSpotJVMCIRuntime.java Mon May 06 20:05:19 2019 -0700
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2018, 2019, 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 jdk.vm.ci.hotspot.test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Predicate;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
+import jdk.vm.ci.meta.MetaAccessProvider;
+import jdk.vm.ci.meta.ResolvedJavaType;
+
+public class TestHotSpotJVMCIRuntime {
+
+ @Test
+ public void writeDebugOutputTest() {
+ HotSpotJVMCIRuntime runtime = HotSpotJVMCIRuntime.runtime();
+
+ expectWriteDebugOutputFailure(runtime, null, 0, 0, true, true, NullPointerException.class);
+ expectWriteDebugOutputFailure(runtime, null, 0, 0, true, false, -1);
+
+ byte[] emptyOutput = {};
+ byte[] nonEmptyOutput = String.format("non-empty output%n").getBytes();
+
+ for (boolean canThrow : new boolean[]{true, false}) {
+ for (byte[] output : new byte[][]{emptyOutput, nonEmptyOutput}) {
+ for (int offset = 0; offset < output.length; offset++) {
+ int length = output.length - offset;
+ runtime.writeDebugOutput(output, offset, length, true, canThrow);
+ }
+
+ Object expect = canThrow ? IndexOutOfBoundsException.class : -2;
+ expectWriteDebugOutputFailure(runtime, output, output.length + 1, 0, true, canThrow, expect);
+ expectWriteDebugOutputFailure(runtime, output, 0, output.length + 1, true, canThrow, expect);
+ expectWriteDebugOutputFailure(runtime, output, -1, 0, true, canThrow, expect);
+ expectWriteDebugOutputFailure(runtime, output, 0, -1, true, canThrow, expect);
+ }
+ }
+ }
+
+ private static void expectWriteDebugOutputFailure(HotSpotJVMCIRuntime runtime, byte[] bytes, int offset, int length, boolean flush, boolean canThrow, Object expect) {
+ try {
+ int result = runtime.writeDebugOutput(bytes, offset, length, flush, canThrow);
+ if (expect instanceof Integer) {
+ Assert.assertEquals((int) expect, result);
+ } else {
+ Assert.fail("expected " + expect + ", got " + result + " for bytes == " + Arrays.toString(bytes));
+ }
+ } catch (Exception e) {
+ if (expect instanceof Integer) {
+ Assert.fail("expected " + expect + ", got " + e + " for bytes == " + Arrays.toString(bytes));
+ } else {
+ Assert.assertTrue(e.toString(), ((Class<?>) expect).isInstance(e));
+ }
+ }
+ }
+
+ @Test
+ public void getIntrinsificationTrustPredicateTest() throws Exception {
+ HotSpotJVMCIRuntime runtime = HotSpotJVMCIRuntime.runtime();
+ MetaAccessProvider metaAccess = runtime.getHostJVMCIBackend().getMetaAccess();
+ Predicate<ResolvedJavaType> predicate = runtime.getIntrinsificationTrustPredicate(HotSpotJVMCIRuntime.class);
+ List<Class<?>> classes = new ArrayList<>(Arrays.asList(
+ Object.class,
+ String.class,
+ Class.class,
+ HotSpotJVMCIRuntime.class,
+ VirtualObjectLayoutTest.class,
+ TestHotSpotJVMCIRuntime.class));
+ try {
+ classes.add(Class.forName("com.sun.crypto.provider.AESCrypt"));
+ classes.add(Class.forName("com.sun.crypto.provider.CipherBlockChaining"));
+ } catch (ClassNotFoundException e) {
+ // Extension classes not available
+ }
+ ClassLoader jvmciLoader = HotSpotJVMCIRuntime.class.getClassLoader();
+ ClassLoader extLoader = getExtensionLoader();
+ for (Class<?> c : classes) {
+ ClassLoader cl = c.getClassLoader();
+ boolean expected = cl == null || cl == jvmciLoader || cl == extLoader;
+ boolean actual = predicate.test(metaAccess.lookupJavaType(c));
+ Assert.assertEquals(c + ": cl=" + cl, expected, actual);
+ }
+ }
+
+ private static ClassLoader getExtensionLoader() throws Exception {
+ Object launcher = Class.forName("sun.misc.Launcher").getMethod("getLauncher").invoke(null);
+ ClassLoader appLoader = (ClassLoader) launcher.getClass().getMethod("getClassLoader").invoke(launcher);
+ ClassLoader extLoader = appLoader.getParent();
+ assert extLoader.getClass().getName().equals("sun.misc.Launcher$ExtClassLoader") : extLoader;
+ return extLoader;
+ }
+}