diff -r 93f4fbc4d1b7 -r 3b553acbd931 rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/TestVM.java --- a/rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/TestVM.java Sat Sep 13 14:19:43 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,296 +0,0 @@ -/** - * Back 2 Browser Bytecode Translator - * Copyright (C) 2012 Jaroslav Tulach - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 2 of the License. - * - * This program 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 for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. Look for COPYING file in the top folder. - * If not, see http://opensource.org/licenses/GPL-2.0. - */ -package org.apidesign.bck2brwsr.vm8; - -import java.io.ByteArrayInputStream; -import java.io.File; -import java.io.FileWriter; -import java.io.IOException; -import java.io.InputStream; -import java.net.URL; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Enumeration; -import java.util.HashSet; -import java.util.List; -import java.util.Set; -import javax.script.Invocable; -import javax.script.ScriptContext; -import javax.script.ScriptEngine; -import javax.script.ScriptEngineManager; -import javax.script.ScriptException; -import org.apidesign.vm4brwsr.Bck2Brwsr; -import org.apidesign.vm4brwsr.ObfuscationLevel; -import static org.testng.Assert.*; - -public final class TestVM { - private final Invocable code; - private final CharSequence codeSeq; - private final Object bck2brwsr; - private BytesLoader resources; - - - private TestVM(Invocable code, CharSequence codeSeq) throws ScriptException, NoSuchMethodException { - this.code = code; - this.codeSeq = codeSeq; - this.bck2brwsr = ((ScriptEngine)code).eval("bck2brwsr(function(n) { return loader.get(n); })"); - ((ScriptEngine)code).getContext().setAttribute("loader", this, ScriptContext.ENGINE_SCOPE); - } - - public void register(BytesLoader res) { - this.resources = res; - } - - public byte[] get(String res) throws IOException { - return resources != null ? resources.get(res) : null; - } - - public Object execCode( - String msg, Class clazz, String method, - Object expRes, Object... args - ) throws Exception { - Object ret = null; - try { - ret = code.invokeMethod(bck2brwsr, "loadClass", clazz.getName()); - List ma = new ArrayList<>(); - ma.add(method); - ma.addAll(Arrays.asList(args)); - ret = code.invokeMethod(ret, "invoke", ma.toArray()); - } catch (ScriptException ex) { - fail("Execution failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex); - } catch (NoSuchMethodException ex) { - fail("Cannot find method in " + dumpJS(codeSeq), ex); - } - if (ret == null && expRes == null) { - return null; - } - if (expRes != null && expRes.equals(ret)) { - return null; - } - if (expRes instanceof Number) { - // in case of Long it is necessary convert it to number - // since the Long is represented by two numbers in JavaScript - try { - final Object toFP = ((ScriptEngine)code).eval("Number.prototype.toFP"); - if (ret instanceof Long) { - ret = code.invokeMethod(toFP, "call", ret); - } - ret = code.invokeFunction("Number", ret); - } catch (ScriptException ex) { - fail("Conversion to number failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex); - } catch (NoSuchMethodException ex) { - fail("Cannot find global Number(x) function in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex); - } - } - return ret; - } - - void assertExec( - String msg, Class clazz, String method, Object expRes, Object... args - ) throws Exception { - Object ret = execCode(msg, clazz, method, expRes, args); - if (ret == null) { - return; - } - if (expRes instanceof Integer && ret instanceof Double) { - expRes = ((Integer)expRes).doubleValue(); - } - if (expRes != null && expRes.equals(ret)) { - return; - } - assertEquals(ret, expRes, msg + "was: " + ret + "\n" + dumpJS(codeSeq)); - } - - static TestVM compileClass(String... names) throws ScriptException, IOException { - return compileClass(null, names); - } - - static TestVM compileClass(StringBuilder sb, String... names) throws ScriptException, IOException { - return compileClass(sb, null, names); - } - - static TestVM compileClass(StringBuilder sb, ScriptEngine[] eng, String... names) throws ScriptException, IOException { - return compileClass(sb, eng, new EmulationResources(), names); - } - static TestVM compileClass( - StringBuilder sb, ScriptEngine[] eng, - Bck2Brwsr.Resources resources, String... names - ) throws ScriptException, IOException { - if (sb == null) { - sb = new StringBuilder(); - } - Bck2Brwsr.generate(sb, resources, names); - ScriptEngineManager sem = new ScriptEngineManager(); - ScriptEngine js = sem.getEngineByExtension("js"); - if (eng != null) { - eng[0] = js; - } - try { - Object res = js.eval(sb.toString()); - assertTrue(js instanceof Invocable, "It is invocable object: " + res); - return new TestVM((Invocable) js, sb); - } catch (Exception ex) { - if (sb.length() > 2000) { - sb = dumpJS(sb); - } - fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex); - return null; - } - } - - static TestVM compileClassAsExtension( - StringBuilder sb, ScriptEngine[] eng, - String name, final String resourceName, final String resourceContent - ) throws ScriptException, IOException { - return compileClassesAsExtension(sb, eng, resourceName, resourceContent, name); - } - static TestVM compileClassesAsExtension( - StringBuilder sb, ScriptEngine[] eng, - final String resourceName, final String resourceContent, String... names - ) throws ScriptException, IOException { - if (sb == null) { - sb = new StringBuilder(); - } - if (eng[0] == null) { - ScriptEngineManager sem = new ScriptEngineManager(); - ScriptEngine js = sem.getEngineByExtension("js"); - eng[0] = js; - Bck2Brwsr.generate(sb, new EmulationResources()); - } - Set exp = new HashSet(); - for (String n : names) { - int last = n.lastIndexOf('/'); - exp.add(n.substring(0, last + 1)); - } - Bck2Brwsr b2b = Bck2Brwsr.newCompiler(). - resources(new EmulationResources() { - @Override - public InputStream get(String name) throws IOException { - if (name.equals(resourceName)) { - return new ByteArrayInputStream(resourceContent.getBytes("UTF-8")); - } - return super.get(name); - } - }). - addClasses(names). - addResources("org/apidesign/vm4brwsr/obj.js"). - addExported(exp.toArray(new String[0])). - obfuscation(ObfuscationLevel.FULL). - library(); - if (resourceName != null) { - b2b = b2b.addResources(resourceName); - } - b2b.generate(sb); - try { - defineAtoB(eng[0]); - Object res = eng[0].eval(sb.toString()); - assertTrue(eng[0] instanceof Invocable, "It is invocable object: " + res); - return new TestVM((Invocable) eng[0], sb); - } catch (Exception ex) { - if (sb.length() > 2000) { - sb = dumpJS(sb); - } - fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex); - return null; - } - } - - static TestVM compileClassAndResources(StringBuilder sb, ScriptEngine[] eng, String name, String... resources) throws ScriptException, IOException { - if (sb == null) { - sb = new StringBuilder(); - } - Bck2Brwsr b2b = Bck2Brwsr.newCompiler(). - resources(new EmulationResources()). - addRootClasses(name). - addResources(resources); - b2b.generate(sb); - ScriptEngineManager sem = new ScriptEngineManager(); - ScriptEngine js = sem.getEngineByExtension("js"); - if (eng != null) { - eng[0] = js; - } - try { - defineAtoB(js); - - Object res = js.eval(sb.toString()); - assertTrue(js instanceof Invocable, "It is invocable object: " + res); - return new TestVM((Invocable) js, sb); - } catch (Exception ex) { - if (sb.length() > 2000) { - sb = dumpJS(sb); - } - fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex); - return null; - } - } - - private static void defineAtoB(ScriptEngine js) throws ScriptException { - js.eval("atob = function(s) { return new String(org.apidesign.vm4brwsr.ResourcesTest.parseBase64Binary(s)); }"); - } - -// Object loadClass(String loadClass, String name) throws ScriptException, NoSuchMethodException { -// return code.invokeMethod(bck2brwsr, "loadClass", Exceptions.class.getName()); -// } - - Object invokeMethod(Object obj, String method, Object... params) throws ScriptException, NoSuchMethodException { - return code.invokeMethod(obj, method, params); - } - - Object invokeFunction(String methodName, Object... args) throws ScriptException, NoSuchMethodException { - return code.invokeFunction(methodName, args); - } - - static StringBuilder dumpJS(CharSequence sb) throws IOException { - File f = File.createTempFile("execution", ".js"); - FileWriter w = new FileWriter(f); - w.append(sb); - w.close(); - return new StringBuilder(f.getPath()); - } - - @Override - public String toString() { - try { - return dumpJS(codeSeq).toString(); - } catch (IOException ex) { - return ex.toString(); - } - } - - final CharSequence codeSeq() { - return codeSeq; - } - - private static class EmulationResources implements Bck2Brwsr.Resources { - @Override - public InputStream get(String name) throws IOException { - Enumeration en = TestVM.class.getClassLoader().getResources(name); - URL u = null; - while (en.hasMoreElements()) { - u = en.nextElement(); - } - if (u == null) { - throw new IOException("Can't find " + name); - } - if (u.toExternalForm().contains("rt.jar!")) { - throw new IOException("No emulation for " + u); - } - return u.openStream(); - } - } -}