--- a/nashorn/test/src/jdk/nashorn/internal/runtime/LexicalBindingTest.java Wed Jul 05 20:26:30 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,212 +0,0 @@
-/*
- * 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 jdk.nashorn.api.scripting.NashornScriptEngineFactory;
-import org.testng.annotations.Test;
-
-import javax.script.Bindings;
-import javax.script.ScriptContext;
-import javax.script.ScriptEngine;
-import javax.script.ScriptException;
-import javax.script.SimpleScriptContext;
-
-import static org.testng.Assert.assertEquals;
-
-/**
- * Top-level lexical binding tests.
- *
- * @test
- * @run testng jdk.nashorn.internal.runtime.LexicalBindingTest
- */
-@SuppressWarnings("javadoc")
-public class LexicalBindingTest {
-
- final static String LANGUAGE_ES6 = "--language=es6";
- final static int NUMBER_OF_CONTEXTS = 20;
- final static int MEGAMORPHIC_LOOP_COUNT = 20;
-
- /**
- * Test access to global var-declared variables for shared script classes with multiple globals.
- */
- @Test
- public static void megamorphicVarTest() throws ScriptException, InterruptedException {
- final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
- final ScriptEngine e = factory.getScriptEngine();
- final ScriptContext[] contexts = new ScriptContext[NUMBER_OF_CONTEXTS];
- final String sharedScript = "foo";
-
-
- for (int i = 0; i < NUMBER_OF_CONTEXTS; i++) {
- final ScriptContext context = contexts[i] = new SimpleScriptContext();
- final Bindings b = e.createBindings();
- context.setBindings(b, ScriptContext.ENGINE_SCOPE);
- assertEquals(e.eval("var foo = '" + i + "';", context), null);
- }
-
- for (int i = 0; i < NUMBER_OF_CONTEXTS; i++) {
- final ScriptContext context = contexts[i];
- assertEquals(e.eval(sharedScript, context), String.valueOf(i));
- }
- }
-
- /**
- * Test access to global lexically declared variables for shared script classes with multiple globals.
- */
- @Test
- public static void megamorphicMultiGlobalLetTest() throws ScriptException, InterruptedException {
- final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
- final ScriptEngine e = factory.getScriptEngine(LANGUAGE_ES6);
- final ScriptContext[] contexts = new ScriptContext[NUMBER_OF_CONTEXTS];
- final String sharedScript = "foo";
-
-
- for (int i = 0; i < NUMBER_OF_CONTEXTS; i++) {
- final ScriptContext context = contexts[i] = new SimpleScriptContext();
- final Bindings b = e.createBindings();
- context.setBindings(b, ScriptContext.ENGINE_SCOPE);
- assertEquals(e.eval("let foo = '" + i + "';", context), null);
- }
-
- for (int i = 0; i < NUMBER_OF_CONTEXTS; i++) {
- final ScriptContext context = contexts[i];
- assertEquals(e.eval(sharedScript, context), String.valueOf(i));
- }
- }
-
-
- /**
- * Test access to global lexically declared variables for shared script classes with single global.
- */
- @Test
- public static void megamorphicSingleGlobalLetTest() throws ScriptException, InterruptedException {
- final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
- final ScriptEngine e = factory.getScriptEngine(LANGUAGE_ES6);
- final String sharedGetterScript = "foo";
- final String sharedSetterScript = "foo = 1";
-
- for (int i = 0; i < MEGAMORPHIC_LOOP_COUNT; i++) {
- assertEquals(e.eval(sharedSetterScript), 1);
- assertEquals(e.eval(sharedGetterScript), 1);
- assertEquals(e.eval("delete foo; a" + i + " = 1; foo = " + i + ";"), i);
- assertEquals(e.eval(sharedGetterScript), i);
- }
-
- assertEquals(e.eval("let foo = 'foo';"), null);
- assertEquals(e.eval(sharedGetterScript), "foo");
- assertEquals(e.eval(sharedSetterScript), 1);
- assertEquals(e.eval(sharedGetterScript), 1);
- assertEquals(e.eval("this.foo"), MEGAMORPHIC_LOOP_COUNT - 1);
- }
-
- /**
- * Test access to global lexically declared variables for shared script classes with single global.
- */
- @Test
- public static void megamorphicInheritedGlobalLetTest() throws ScriptException, InterruptedException {
- final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
- final ScriptEngine e = factory.getScriptEngine(LANGUAGE_ES6);
- final String sharedGetterScript = "foo";
- final String sharedSetterScript = "foo = 1";
-
- for (int i = 0; i < MEGAMORPHIC_LOOP_COUNT; i++) {
- assertEquals(e.eval(sharedSetterScript), 1);
- assertEquals(e.eval(sharedGetterScript), 1);
- assertEquals(e.eval("delete foo; a" + i + " = 1; Object.prototype.foo = " + i + ";"), i);
- assertEquals(e.eval(sharedGetterScript), i);
- }
-
- assertEquals(e.eval("let foo = 'foo';"), null);
- assertEquals(e.eval(sharedGetterScript), "foo");
- assertEquals(e.eval(sharedSetterScript), 1);
- assertEquals(e.eval(sharedGetterScript), 1);
- assertEquals(e.eval("this.foo"), MEGAMORPHIC_LOOP_COUNT - 1);
- }
-
- /**
- * Test multi-threaded access to global lexically declared variables for shared script classes with multiple globals.
- */
- @Test
- public static void multiThreadedLetTest() throws ScriptException, InterruptedException {
- final NashornScriptEngineFactory factory = new NashornScriptEngineFactory();
- final ScriptEngine e = factory.getScriptEngine(LANGUAGE_ES6);
- final Bindings b = e.createBindings();
- final ScriptContext origContext = e.getContext();
- final ScriptContext newCtxt = new SimpleScriptContext();
- newCtxt.setBindings(b, ScriptContext.ENGINE_SCOPE);
- final String sharedScript = "foo";
-
- assertEquals(e.eval("let foo = 'original context';", origContext), null);
- assertEquals(e.eval("let foo = 'new context';", newCtxt), null);
-
- final Thread t1 = new Thread(new ScriptRunner(e, origContext, sharedScript, "original context", 1000));
- final Thread t2 = new Thread(new ScriptRunner(e, newCtxt, sharedScript, "new context", 1000));
- t1.start();
- t2.start();
- t1.join();
- t2.join();
-
- assertEquals(e.eval("foo = 'newer context';", newCtxt), "newer context");
- final Thread t3 = new Thread(new ScriptRunner(e, origContext, sharedScript, "original context", 1000));
- final Thread t4 = new Thread(new ScriptRunner(e, newCtxt, sharedScript, "newer context", 1000));
-
- t3.start();
- t4.start();
- t3.join();
- t4.join();
-
- assertEquals(e.eval(sharedScript), "original context");
- assertEquals(e.eval(sharedScript, newCtxt), "newer context");
- }
-
- private static class ScriptRunner implements Runnable {
-
- final ScriptEngine engine;
- final ScriptContext context;
- final String source;
- final Object expected;
- final int iterations;
-
- ScriptRunner(final ScriptEngine engine, final ScriptContext context, final String source, final Object expected, final int iterations) {
- this.engine = engine;
- this.context = context;
- this.source = source;
- this.expected = expected;
- this.iterations = iterations;
- }
-
- @Override
- public void run() {
- try {
- for (int i = 0; i < iterations; i++) {
- assertEquals(engine.eval(source, context), expected);
- }
- } catch (final ScriptException se) {
- throw new RuntimeException(se);
- }
- }
- }
-}