8037378: Write sanity tests for bytecode persistence feature
Reviewed-by: sundar, hannesw
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/src/jdk/nashorn/internal/runtime/NoPersistenceCachingTest.java Mon Mar 17 18:27:30 2014 +0100
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+package jdk.nashorn.internal.runtime;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import static org.testng.Assert.fail;
+import org.testng.annotations.Test;
+
+import javax.script.ScriptContext;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptEngineManager;
+import javax.script.SimpleScriptContext;
+import jdk.nashorn.api.scripting.NashornScriptEngineFactory;
+
+/**
+ * @test
+ * @bug 8037378
+ * @summary Sanity tests for no persistence caching
+ * @run testng/othervm jdk.nashorn.internal.runtime.NoPersistenceCachingTest
+ */
+public class NoPersistenceCachingTest {
+
+ private ScriptEngine engine;
+ private ScriptContext context1, context2, context3;
+ private ByteArrayOutputStream stderr;
+ private PrintStream prevStderr;
+ private final String script = "print('Hello')";
+
+ public void setupTest() {
+ stderr = new ByteArrayOutputStream();
+ prevStderr = System.err;
+ System.setErr(new PrintStream(stderr));
+ NashornScriptEngineFactory nashornFactory = null;
+ ScriptEngineManager sm = new ScriptEngineManager();
+ for (ScriptEngineFactory fac : sm.getEngineFactories()) {
+ if (fac instanceof NashornScriptEngineFactory) {
+ nashornFactory = (NashornScriptEngineFactory) fac;
+ break;
+ }
+ }
+ if (nashornFactory == null) {
+ fail("Cannot find nashorn factory!");
+ }
+ String[] options = new String[]{"--log=compiler:finest"};
+ engine = nashornFactory.getScriptEngine(options);
+ }
+
+ public void setErrTest() {
+ System.setErr(prevStderr);
+ }
+
+ public void runTest(int numberOfContext, String expectedOutputPattern,
+ int expectedPatternOccurrence) {
+ setupTest();
+ try {
+ switch (numberOfContext) {
+ case 2:
+ context1 = engine.getContext();
+ context2 = new SimpleScriptContext();
+ context2.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
+ engine.eval(script, context1);
+ engine.eval(script, context2);
+ break;
+ case 3:
+ context1 = engine.getContext();
+ context2 = new SimpleScriptContext();
+ context2.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
+ context3 = new SimpleScriptContext();
+ context3.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE);
+ engine.eval(script, context1);
+ engine.eval(script, context2);
+ engine.eval(script, context3);
+ break;
+ }
+ } catch (final Exception se) {
+ se.printStackTrace();
+ fail(se.getMessage());
+ }
+ Pattern deoptimizing = Pattern.compile(expectedOutputPattern);
+ Matcher matcher = deoptimizing.matcher(stderr.toString());
+ int matches = 0;
+ while (matcher.find()) {
+ matches++;
+ }
+ if (matches != expectedPatternOccurrence) {
+ fail("Number of cache hit is not correct, expected: "
+ + expectedPatternOccurrence + " and found: " + matches + "\n"
+ + stderr);
+ }
+ setErrTest();
+ }
+
+ private static String getCodeCachePattern() {
+ return ("\\[compiler\\]\\sCode\\scache\\shit\\sfor\\s<eval>\\savoiding\\srecompile.");
+ }
+
+ @Test
+ public void twoContextTest() {
+ runTest(2, getCodeCachePattern(), 1);
+
+ }
+
+ @Test
+ public void threeContextTest() {
+ runTest(3, getCodeCachePattern(), 2);
+ }
+}