diff options
Diffstat (limited to 'test/src/jdk/nashorn/internal/runtime/test/NoPersistenceCachingTest.java')
-rw-r--r-- | test/src/jdk/nashorn/internal/runtime/test/NoPersistenceCachingTest.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/test/src/jdk/nashorn/internal/runtime/test/NoPersistenceCachingTest.java b/test/src/jdk/nashorn/internal/runtime/test/NoPersistenceCachingTest.java new file mode 100644 index 00000000..d9643e65 --- /dev/null +++ b/test/src/jdk/nashorn/internal/runtime/test/NoPersistenceCachingTest.java @@ -0,0 +1,140 @@ +/* + * 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.test; + +import static org.testng.Assert.fail; +import java.io.ByteArrayOutputStream; +import java.io.PrintStream; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +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; +import org.testng.annotations.AfterTest; +import org.testng.annotations.BeforeTest; +import org.testng.annotations.Test; + +/** + * @test + * @bug 8037378 + * @summary Sanity tests for no persistence caching + * @run testng/othervm jdk.nashorn.internal.runtime.test.NoPersistenceCachingTest + */ +@SuppressWarnings("javadoc") +public class NoPersistenceCachingTest { + + private ScriptEngine engine; + private ScriptContext context1, context2, context3; + private ByteArrayOutputStream stderr; + private PrintStream prevStderr; + + @BeforeTest + public void setupTest() { + stderr = new ByteArrayOutputStream(); + prevStderr = System.err; + System.setErr(new PrintStream(stderr)); + NashornScriptEngineFactory nashornFactory = null; + final ScriptEngineManager sm = new ScriptEngineManager(); + for (final ScriptEngineFactory fac : sm.getEngineFactories()) { + if (fac instanceof NashornScriptEngineFactory) { + nashornFactory = (NashornScriptEngineFactory) fac; + break; + } + } + if (nashornFactory == null) { + fail("Cannot find nashorn factory!"); + } + // fine is enough for cache hits, finest produces way too much information + // TODO this should be ported to use the RuntimeEvents instead of screen scraping + // logs, as obviously this is very brittle + final String[] options = new String[]{"--log=compiler:fine"}; + engine = nashornFactory.getScriptEngine(options); + context1 = engine.getContext(); + context2 = new SimpleScriptContext(); + context2.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE); + context3 = new SimpleScriptContext(); + context3.setBindings(engine.createBindings(), ScriptContext.ENGINE_SCOPE); + } + + @AfterTest + public void setErrTest() { + System.setErr(prevStderr); + } + + public void runTest(final int numberOfContext, final String expectedOutputPattern, + final int expectedPatternOccurrence) { + + try { + switch (numberOfContext) { + case 2: + final String scriptTwoContexts = "print('HelloTwoContexts')"; + engine.eval(scriptTwoContexts, context1); + engine.eval(scriptTwoContexts, context2); + break; + case 3: + final String scriptThreeContexts = "print('HelloThreeContexts')"; + engine.eval(scriptThreeContexts, context1); + engine.eval(scriptThreeContexts, context2); + engine.eval(scriptThreeContexts, context3); + break; + default: + break; + } + } catch (final Exception se) { + se.printStackTrace(); + fail(se.getMessage()); + } + final Pattern deoptimizing = Pattern.compile(expectedOutputPattern); + final 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); + } + stderr.reset(); + } + + 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); + } +} |