8037378: Write sanity tests for bytecode persistence feature

Reviewed-by: sundar, hannesw
2014-03-17 18:27:30 +01:00 · 2014-03-17 18:27:30 +01:00 · 2937094508
commit 2937094508
parent e34f74421a
1 changed files with 133 additions and 0 deletions
--- a/nashorn/test/src/jdk/nashorn/internal/runtime/NoPersistenceCachingTest.java
+++ b/nashorn/test/src/jdk/nashorn/internal/runtime/NoPersistenceCachingTest.java
@ -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);
+    }
+}