| /* |
| * Copyright (c) 2010, 2013, 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 static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptEngineFactory; |
| import javax.script.ScriptEngineManager; |
| import javax.script.ScriptException; |
| import javax.script.SimpleScriptContext; |
| import jdk.nashorn.api.scripting.ClassFilter; |
| import jdk.nashorn.api.scripting.NashornScriptEngineFactory; |
| import org.testng.annotations.Test; |
| |
| /** |
| * Tests for trusted client usage of nashorn script engine factory extension API |
| */ |
| @SuppressWarnings("javadoc") |
| public class TrustedScriptEngineTest { |
| @Test |
| public void versionTest() { |
| final ScriptEngineManager m = new ScriptEngineManager(); |
| final ScriptEngine e = m.getEngineByName("nashorn"); |
| assertEquals(e.getFactory().getEngineVersion(), Version.version()); |
| } |
| |
| private static class MyClassLoader extends ClassLoader { |
| // to check if script engine uses the specified class loader |
| private final boolean[] reached = new boolean[1]; |
| |
| @Override |
| protected Class<?> findClass(final String name) throws ClassNotFoundException { |
| // flag that it reached here |
| reached[0] = true; |
| return super.findClass(name); |
| } |
| |
| public boolean reached() { |
| return reached[0]; |
| } |
| } |
| |
| // These are for "private" extension API of NashornScriptEngineFactory that |
| // accepts a ClassLoader and/or command line options. |
| |
| @Test |
| public void factoryClassLoaderTest() { |
| final ScriptEngineManager sm = new ScriptEngineManager(); |
| for (final ScriptEngineFactory fac : sm.getEngineFactories()) { |
| if (fac instanceof NashornScriptEngineFactory) { |
| final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac; |
| final MyClassLoader loader = new MyClassLoader(); |
| // set the classloader as app class loader |
| final ScriptEngine e = nfac.getScriptEngine(loader); |
| try { |
| e.eval("Packages.foo"); |
| // check that the class loader was attempted |
| assertTrue(loader.reached(), "did not reach class loader!"); |
| } catch (final ScriptException se) { |
| se.printStackTrace(); |
| fail(se.getMessage()); |
| } |
| return; |
| } |
| } |
| |
| fail("Cannot find nashorn factory!"); |
| } |
| |
| @Test |
| public void factoryClassLoaderAndOptionsTest() { |
| final ScriptEngineManager sm = new ScriptEngineManager(); |
| for (final ScriptEngineFactory fac : sm.getEngineFactories()) { |
| if (fac instanceof NashornScriptEngineFactory) { |
| final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac; |
| final String[] options = new String[] { "-strict" }; |
| final MyClassLoader loader = new MyClassLoader(); |
| // set the classloader as app class loader |
| final ScriptEngine e = nfac.getScriptEngine(options, loader); |
| try { |
| e.eval("Packages.foo"); |
| // check that the class loader was attempted |
| assertTrue(loader.reached(), "did not reach class loader!"); |
| } catch (final ScriptException se) { |
| se.printStackTrace(); |
| fail(se.getMessage()); |
| } |
| |
| try { |
| // strict mode - delete of a var should throw SyntaxError |
| e.eval("var d = 2; delete d;"); |
| } catch (final ScriptException se) { |
| // check that the error message contains "SyntaxError" |
| assertTrue(se.getMessage().contains("SyntaxError")); |
| } |
| |
| return; |
| } |
| } |
| |
| fail("Cannot find nashorn factory!"); |
| } |
| |
| @Test |
| public void factoryOptionsTest() { |
| final ScriptEngineManager sm = new ScriptEngineManager(); |
| for (final ScriptEngineFactory fac : sm.getEngineFactories()) { |
| if (fac instanceof NashornScriptEngineFactory) { |
| final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac; |
| // specify --no-syntax-extensions flag |
| final String[] options = new String[] { "--no-syntax-extensions" }; |
| final ScriptEngine e = nfac.getScriptEngine(options); |
| try { |
| // try nashorn specific extension |
| e.eval("var f = funtion(x) 2*x;"); |
| fail("should have thrown exception!"); |
| } catch (final Exception ex) { |
| //empty |
| } |
| return; |
| } |
| } |
| |
| fail("Cannot find nashorn factory!"); |
| } |
| |
| @Test |
| /** |
| * Test repeated evals with --loader-per-compile=false |
| * We used to get "class redefinition error". |
| */ |
| public void noLoaderPerCompilerTest() { |
| final ScriptEngineManager sm = new ScriptEngineManager(); |
| for (final ScriptEngineFactory fac : sm.getEngineFactories()) { |
| if (fac instanceof NashornScriptEngineFactory) { |
| final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac; |
| final String[] options = new String[] { "--loader-per-compile=false" }; |
| final ScriptEngine e = nfac.getScriptEngine(options); |
| try { |
| e.eval("2 + 3"); |
| e.eval("4 + 4"); |
| } catch (final ScriptException se) { |
| se.printStackTrace(); |
| fail(se.getMessage()); |
| } |
| return; |
| } |
| } |
| fail("Cannot find nashorn factory!"); |
| } |
| |
| @Test |
| /** |
| * Test that we can use same script name in repeated evals with --loader-per-compile=false |
| * We used to get "class redefinition error" as name was derived from script name. |
| */ |
| public void noLoaderPerCompilerWithSameNameTest() { |
| final ScriptEngineManager sm = new ScriptEngineManager(); |
| for (final ScriptEngineFactory fac : sm.getEngineFactories()) { |
| if (fac instanceof NashornScriptEngineFactory) { |
| final NashornScriptEngineFactory nfac = (NashornScriptEngineFactory)fac; |
| final String[] options = new String[] { "--loader-per-compile=false" }; |
| final ScriptEngine e = nfac.getScriptEngine(options); |
| e.put(ScriptEngine.FILENAME, "test.js"); |
| try { |
| e.eval("2 + 3"); |
| e.eval("4 + 4"); |
| } catch (final ScriptException se) { |
| se.printStackTrace(); |
| fail(se.getMessage()); |
| } |
| return; |
| } |
| } |
| fail("Cannot find nashorn factory!"); |
| } |
| |
| @Test |
| public void globalPerEngineTest() throws ScriptException { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| final String[] options = new String[] { "--global-per-engine" }; |
| final ScriptEngine e = fac.getScriptEngine(options); |
| |
| e.eval("function foo() {}"); |
| |
| final ScriptContext newCtx = new SimpleScriptContext(); |
| newCtx.setBindings(e.createBindings(), ScriptContext.ENGINE_SCOPE); |
| |
| // all global definitions shared and so 'foo' should be |
| // visible in new Bindings as well. |
| assertTrue(e.eval("typeof foo", newCtx).equals("function")); |
| |
| e.eval("function bar() {}", newCtx); |
| |
| // bar should be visible in default context |
| assertTrue(e.eval("typeof bar").equals("function")); |
| } |
| |
| @Test |
| public void classFilterTest() throws ScriptException { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| final ScriptEngine e = fac.getScriptEngine(new ClassFilter() { |
| @Override |
| public boolean exposeToScripts(final String fullName) { |
| // don't allow anything that is not "java." |
| return fullName.startsWith("java."); |
| } |
| }); |
| |
| assertEquals(e.eval("typeof javax.script.ScriptEngine"), "object"); |
| assertEquals(e.eval("typeof java.util.Vector"), "function"); |
| |
| try { |
| e.eval("Java.type('javax.script.ScriptContext')"); |
| fail("should not reach here"); |
| } catch (final ScriptException | RuntimeException se) { |
| if (! (se.getCause() instanceof ClassNotFoundException)) { |
| fail("ClassNotFoundException expected"); |
| } |
| } |
| } |
| |
| @Test |
| public void classFilterTest2() throws ScriptException { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| final ScriptEngine e = fac.getScriptEngine(new String[0], Thread.currentThread().getContextClassLoader(), |
| new ClassFilter() { |
| @Override |
| public boolean exposeToScripts(final String fullName) { |
| // don't allow anything that is not "java." |
| return fullName.startsWith("java."); |
| } |
| }); |
| |
| assertEquals(e.eval("typeof javax.script.ScriptEngine"), "object"); |
| assertEquals(e.eval("typeof java.util.Vector"), "function"); |
| |
| try { |
| e.eval("Java.type('javax.script.ScriptContext')"); |
| fail("should not reach here"); |
| } catch (final ScriptException | RuntimeException se) { |
| if (! (se.getCause() instanceof ClassNotFoundException)) { |
| fail("ClassNotFoundException expected"); |
| } |
| } |
| } |
| |
| @Test |
| public void nullClassFilterTest() { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| try { |
| fac.getScriptEngine((ClassFilter)null); |
| fail("should have thrown NPE"); |
| } catch (final NullPointerException e) { |
| //empty |
| } |
| } |
| |
| @Test |
| public void nullClassFilterTest2() { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| try { |
| fac.getScriptEngine(new String[0], null, null); |
| fail("should have thrown NPE"); |
| } catch (final NullPointerException e) { |
| //empty |
| } |
| } |
| |
| @Test |
| public void nullArgsTest() { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| try { |
| fac.getScriptEngine((String[])null); |
| fail("should have thrown NPE"); |
| } catch (final NullPointerException e) { |
| //empty |
| } |
| } |
| |
| @Test |
| public void nullArgsTest2() { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| try { |
| fac.getScriptEngine(null, null, new ClassFilter() { |
| @Override |
| public boolean exposeToScripts(final String name) { |
| return true; |
| } |
| }); |
| fail("should have thrown NPE"); |
| } catch (final NullPointerException e) { |
| //empty |
| } |
| } |
| |
| @Test |
| public void nashornSwallowsConstKeyword() throws Exception { |
| final NashornScriptEngineFactory f = new NashornScriptEngineFactory(); |
| final String[] args = new String[] { "--const-as-var" }; |
| final ScriptEngine engine = f.getScriptEngine(args); |
| |
| final Object ret = engine.eval("" |
| + "(function() {\n" |
| + " const x = 10;\n" |
| + " return x;\n" |
| + "})();" |
| ); |
| assertEquals(ret, 10, "Parsed and executed OK"); |
| } |
| |
| @Test |
| public void evalDefaultFileNameTest() throws ScriptException { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| final ScriptEngine engine = fac.getScriptEngine(new String[] { "--verify-code=true" }); |
| // default FILENAME being "<eval>" make sure generated code bytecode verifies. |
| engine.eval("var a = 3;"); |
| } |
| |
| @Test |
| public void evalFileNameWithSpecialCharsTest() throws ScriptException { |
| final NashornScriptEngineFactory fac = new NashornScriptEngineFactory(); |
| final ScriptEngine engine = fac.getScriptEngine(new String[] { "--verify-code=true" }); |
| final ScriptContext ctxt = new SimpleScriptContext(); |
| // use file name with "dangerous" chars. |
| ctxt.setAttribute(ScriptEngine.FILENAME, "<myscript>", ScriptContext.ENGINE_SCOPE); |
| engine.eval("var a = 3;"); |
| ctxt.setAttribute(ScriptEngine.FILENAME, "[myscript]", ScriptContext.ENGINE_SCOPE); |
| engine.eval("var h = 'hello';"); |
| ctxt.setAttribute(ScriptEngine.FILENAME, ";/\\$.", ScriptContext.ENGINE_SCOPE); |
| engine.eval("var foo = 'world';"); |
| // name used by jjs shell tool for the interactive mode |
| ctxt.setAttribute(ScriptEngine.FILENAME, "<shell>", ScriptContext.ENGINE_SCOPE); |
| engine.eval("var foo = 'world';"); |
| } |
| } |