jaroslav@0: /* jaroslav@0: Java 4 Browser Bytecode Translator jaroslav@0: Copyright (C) 2012-2012 Jaroslav Tulach jaroslav@0: jaroslav@0: This program is free software: you can redistribute it and/or modify jaroslav@0: it under the terms of the GNU General Public License as published by jaroslav@0: the Free Software Foundation, version 2 of the License. jaroslav@0: jaroslav@0: This program is distributed in the hope that it will be useful, jaroslav@0: but WITHOUT ANY WARRANTY; without even the implied warranty of jaroslav@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the jaroslav@0: GNU General Public License for more details. jaroslav@0: jaroslav@0: You should have received a copy of the GNU General Public License jaroslav@0: along with this program. Look for COPYING file in the top folder. jaroslav@0: If not, see http://opensource.org/licenses/GPL-2.0. jaroslav@0: */ jaroslav@22: package org.apidesign.vm4brwsr; jaroslav@0: jaroslav@0: import java.io.IOException; jaroslav@0: import javax.script.Invocable; jaroslav@0: import javax.script.ScriptEngine; jaroslav@0: import javax.script.ScriptEngineManager; jaroslav@0: import javax.script.ScriptException; jaroslav@0: import static org.testng.Assert.*; jaroslav@0: import org.testng.annotations.Test; jaroslav@0: jaroslav@0: /** Checks the basic behavior of the translator. jaroslav@0: * jaroslav@0: * @author Jaroslav Tulach jaroslav@0: */ jaroslav@0: public class StaticMethodTest { jaroslav@0: @Test public void threePlusFour() throws Exception { jaroslav@2: assertExec( jaroslav@2: "Should be seven", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_sumIII", jaroslav@2: Double.valueOf(7), jaroslav@2: 3, 4 jaroslav@2: ); jaroslav@0: } jaroslav@0: jaroslav@1: @Test public void powerOfThree() throws Exception { jaroslav@2: assertExec( jaroslav@2: "Should be nine", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_powerFF", jaroslav@2: Double.valueOf(9), jaroslav@2: 3.0f jaroslav@2: ); jaroslav@1: } jaroslav@1: jaroslav@2: @Test public void doubleWithoutLong() throws Exception { jaroslav@2: assertExec( jaroslav@2: "Should be two", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_minusDDJ", jaroslav@2: Double.valueOf(2), jaroslav@2: 3.0d, 1l jaroslav@2: ); jaroslav@2: } jaroslav@3: jaroslav@3: @Test public void divAndRound() throws Exception { jaroslav@3: assertExec( jaroslav@3: "Should be rounded to one", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_divIBD", jaroslav@3: Double.valueOf(1), jaroslav@3: 3, 3.75 jaroslav@3: ); jaroslav@3: } jaroslav@3: @Test public void mixedMethodFourParams() throws Exception { jaroslav@3: assertExec( jaroslav@3: "Should be two", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_mixIIJBD", jaroslav@3: Double.valueOf(20), jaroslav@3: 2, 10l, 5, 2.0 jaroslav@3: ); jaroslav@3: } jaroslav@4: @Test public void factRec() throws Exception { jaroslav@4: assertExec( jaroslav@4: "Factorial of 5 is 120", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_factRecJI", jaroslav@4: Double.valueOf(120), jaroslav@4: 5 jaroslav@4: ); jaroslav@4: } jaroslav@5: @Test public void factIter() throws Exception { jaroslav@5: assertExec( jaroslav@5: "Factorial of 5 is 120", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_factIterJI", jaroslav@5: Double.valueOf(120), jaroslav@5: 5 jaroslav@5: ); jaroslav@5: } jaroslav@2: jaroslav@6: @Test public void xor() throws Exception { jaroslav@6: assertExec( jaroslav@6: "Xor is 4", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_xorJIJ", jaroslav@6: Double.valueOf(4), jaroslav@6: 7, jaroslav@6: 3 jaroslav@6: ); jaroslav@6: } jaroslav@6: jaroslav@7: @Test public void or() throws Exception { jaroslav@7: assertExec( jaroslav@7: "Or will be 7", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_orOrAndJZII", jaroslav@7: Double.valueOf(7), jaroslav@7: true, jaroslav@7: 4, jaroslav@7: 3 jaroslav@7: ); jaroslav@7: } jaroslav@7: @Test public void and() throws Exception { jaroslav@7: assertExec( jaroslav@7: "And will be 3", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_orOrAndJZII", jaroslav@7: Double.valueOf(3), jaroslav@7: false, jaroslav@7: 7, jaroslav@7: 3 jaroslav@7: ); jaroslav@7: } jaroslav@9: @Test public void inc4() throws Exception { jaroslav@9: assertExec( jaroslav@9: "It will be 4", jaroslav@22: "org_apidesign_vm4brwsr_StaticMethod_inc4I", jaroslav@9: Double.valueOf(4) jaroslav@9: ); jaroslav@9: } jaroslav@7: jaroslav@2: private static void assertExec(String msg, String methodName, Object expRes, Object... args) throws Exception { jaroslav@2: StringBuilder sb = new StringBuilder(); jaroslav@22: Invocable i = compileClass(sb, "org/apidesign/vm4brwsr/StaticMethod"); jaroslav@2: jaroslav@2: Object ret = null; jaroslav@2: try { jaroslav@2: ret = i.invokeFunction(methodName, args); jaroslav@5: } catch (ScriptException ex) { jaroslav@5: fail("Execution failed in " + sb, ex); jaroslav@2: } catch (NoSuchMethodException ex) { jaroslav@2: fail("Cannot find method in " + sb, ex); jaroslav@2: } jaroslav@2: if (ret == null && expRes == null) { jaroslav@2: return; jaroslav@2: } jaroslav@2: if (expRes.equals(ret)) { jaroslav@2: return; jaroslav@2: } jaroslav@3: assertEquals(ret, expRes, msg + "was: " + ret + "\n" + sb); jaroslav@2: jaroslav@2: } jaroslav@2: jaroslav@13: static Invocable compileClass(StringBuilder sb, String... names) throws ScriptException, IOException { jaroslav@19: if (sb == null) { jaroslav@19: sb = new StringBuilder(); jaroslav@19: } jaroslav@29: GenJS.compile(sb, names); jaroslav@0: ScriptEngineManager sem = new ScriptEngineManager(); jaroslav@0: ScriptEngine js = sem.getEngineByExtension("js"); jaroslav@0: try { jaroslav@0: Object res = js.eval(sb.toString()); jaroslav@0: assertTrue(js instanceof Invocable, "It is invocable object: " + res); jaroslav@0: return (Invocable)js; jaroslav@0: } catch (ScriptException ex) { jaroslav@0: fail("Could not compile:\n" + sb, ex); jaroslav@0: return null; jaroslav@0: } jaroslav@0: } jaroslav@0: }