src/test/java/org/apidesign/java4browser/StaticMethodTest.java
changeset 22 b9318fe303cd
parent 21 d8807b6a636a
child 23 5d076ad40851
     1.1 --- a/src/test/java/org/apidesign/java4browser/StaticMethodTest.java	Mon Sep 24 09:35:00 2012 +0200
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,201 +0,0 @@
     1.4 -/*
     1.5 -Java 4 Browser Bytecode Translator
     1.6 -Copyright (C) 2012-2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 -
     1.8 -This program is free software: you can redistribute it and/or modify
     1.9 -it under the terms of the GNU General Public License as published by
    1.10 -the Free Software Foundation, version 2 of the License.
    1.11 -
    1.12 -This program is distributed in the hope that it will be useful,
    1.13 -but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 -GNU General Public License for more details.
    1.16 -
    1.17 -You should have received a copy of the GNU General Public License
    1.18 -along with this program. Look for COPYING file in the top folder.
    1.19 -If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 -*/
    1.21 -package org.apidesign.java4browser;
    1.22 -
    1.23 -import java.io.IOException;
    1.24 -import java.io.InputStream;
    1.25 -import java.util.Arrays;
    1.26 -import java.util.HashSet;
    1.27 -import java.util.Iterator;
    1.28 -import java.util.LinkedList;
    1.29 -import java.util.Set;
    1.30 -import java.util.TreeSet;
    1.31 -import javax.script.Invocable;
    1.32 -import javax.script.ScriptEngine;
    1.33 -import javax.script.ScriptEngineManager;
    1.34 -import javax.script.ScriptException;
    1.35 -import static org.testng.Assert.*;
    1.36 -import org.testng.annotations.Test;
    1.37 -
    1.38 -/** Checks the basic behavior of the translator.
    1.39 - *
    1.40 - * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.41 - */
    1.42 -public class StaticMethodTest {
    1.43 -    @Test public void threePlusFour() throws Exception {
    1.44 -        assertExec(
    1.45 -            "Should be seven", 
    1.46 -            "org_apidesign_java4browser_StaticMethod_sumIII", 
    1.47 -            Double.valueOf(7), 
    1.48 -            3, 4
    1.49 -        );
    1.50 -    }
    1.51 -
    1.52 -    @Test public void powerOfThree() throws Exception {
    1.53 -        assertExec(
    1.54 -            "Should be nine", 
    1.55 -            "org_apidesign_java4browser_StaticMethod_powerFF", 
    1.56 -            Double.valueOf(9),
    1.57 -            3.0f
    1.58 -        );
    1.59 -    }
    1.60 -
    1.61 -    @Test public void doubleWithoutLong() throws Exception {
    1.62 -        assertExec(
    1.63 -            "Should be two",
    1.64 -            "org_apidesign_java4browser_StaticMethod_minusDDJ", 
    1.65 -            Double.valueOf(2),
    1.66 -            3.0d, 1l
    1.67 -        );
    1.68 -    }
    1.69 -
    1.70 -    @Test public void divAndRound() throws Exception {
    1.71 -        assertExec(
    1.72 -            "Should be rounded to one",
    1.73 -            "org_apidesign_java4browser_StaticMethod_divIBD", 
    1.74 -            Double.valueOf(1),
    1.75 -            3, 3.75
    1.76 -        );
    1.77 -    }
    1.78 -    @Test public void mixedMethodFourParams() throws Exception {
    1.79 -        assertExec(
    1.80 -            "Should be two",
    1.81 -            "org_apidesign_java4browser_StaticMethod_mixIIJBD", 
    1.82 -            Double.valueOf(20),
    1.83 -            2, 10l, 5, 2.0
    1.84 -        );
    1.85 -    }
    1.86 -    @Test public void factRec() throws Exception {
    1.87 -        assertExec(
    1.88 -            "Factorial of 5 is 120",
    1.89 -            "org_apidesign_java4browser_StaticMethod_factRecJI", 
    1.90 -            Double.valueOf(120),
    1.91 -            5
    1.92 -        );
    1.93 -    }
    1.94 -    @Test public void factIter() throws Exception {
    1.95 -        assertExec(
    1.96 -            "Factorial of 5 is 120",
    1.97 -            "org_apidesign_java4browser_StaticMethod_factIterJI", 
    1.98 -            Double.valueOf(120),
    1.99 -            5
   1.100 -        );
   1.101 -    }
   1.102 -    
   1.103 -    @Test public void xor() throws Exception {
   1.104 -        assertExec(
   1.105 -            "Xor is 4",
   1.106 -            "org_apidesign_java4browser_StaticMethod_xorJIJ",
   1.107 -            Double.valueOf(4),
   1.108 -            7,
   1.109 -            3
   1.110 -        );
   1.111 -    }
   1.112 -    
   1.113 -    @Test public void or() throws Exception {
   1.114 -        assertExec(
   1.115 -            "Or will be 7",
   1.116 -            "org_apidesign_java4browser_StaticMethod_orOrAndJZII",
   1.117 -            Double.valueOf(7),
   1.118 -            true,
   1.119 -            4,
   1.120 -            3
   1.121 -        );
   1.122 -    }
   1.123 -    @Test public void and() throws Exception {
   1.124 -        assertExec(
   1.125 -            "And will be 3",
   1.126 -            "org_apidesign_java4browser_StaticMethod_orOrAndJZII",
   1.127 -            Double.valueOf(3),
   1.128 -            false,
   1.129 -            7,
   1.130 -            3
   1.131 -        );
   1.132 -    }
   1.133 -    @Test public void inc4() throws Exception {
   1.134 -        assertExec(
   1.135 -            "It will be 4",
   1.136 -            "org_apidesign_java4browser_StaticMethod_inc4I",
   1.137 -            Double.valueOf(4)
   1.138 -        );
   1.139 -    }
   1.140 -    
   1.141 -    private static void assertExec(String msg, String methodName, Object expRes, Object... args) throws Exception {
   1.142 -        StringBuilder sb = new StringBuilder();
   1.143 -        Invocable i = compileClass(sb, "org/apidesign/java4browser/StaticMethod");
   1.144 -        
   1.145 -        Object ret = null;
   1.146 -        try {
   1.147 -            ret = i.invokeFunction(methodName, args);
   1.148 -        } catch (ScriptException ex) {
   1.149 -            fail("Execution failed in " + sb, ex);
   1.150 -        } catch (NoSuchMethodException ex) {
   1.151 -            fail("Cannot find method in " + sb, ex);
   1.152 -        }
   1.153 -        if (ret == null && expRes == null) {
   1.154 -            return;
   1.155 -        }
   1.156 -        if (expRes.equals(ret)) {
   1.157 -            return;
   1.158 -        }
   1.159 -        assertEquals(ret, expRes, msg + "was: " + ret + "\n" + sb);
   1.160 -        
   1.161 -    }
   1.162 -
   1.163 -    static Invocable compileClass(StringBuilder sb, String... names) throws ScriptException, IOException {
   1.164 -        if (sb == null) {
   1.165 -            sb = new StringBuilder();
   1.166 -        }
   1.167 -        Set<String> processed = new HashSet<String>();
   1.168 -
   1.169 -        LinkedList<String> toProcess = new LinkedList<String>(Arrays.asList(names));
   1.170 -        for (;;) {
   1.171 -            toProcess.removeAll(processed);
   1.172 -            if (toProcess.isEmpty()) {
   1.173 -                break;
   1.174 -            }
   1.175 -            String name = toProcess.getFirst();
   1.176 -            processed.add(name);
   1.177 -            if (name.startsWith("java/") && !name.equals("java/lang/Object")) {
   1.178 -                continue;
   1.179 -            }
   1.180 -            InputStream is = StaticMethodTest.class.getClassLoader().getResourceAsStream(name + ".class");
   1.181 -            assertNotNull(is, "Class file found");
   1.182 -            try {
   1.183 -                ByteCodeToJavaScript.compile(is, sb, toProcess);
   1.184 -            } catch (RuntimeException ex) {
   1.185 -                int lastBlock = sb.lastIndexOf("{");
   1.186 -                throw new IllegalStateException(
   1.187 -                    "Error while compiling " + name + "\n" + 
   1.188 -                    sb.substring(0, sb.length()), 
   1.189 -                    ex
   1.190 -                );
   1.191 -            }
   1.192 -        }
   1.193 -        ScriptEngineManager sem = new ScriptEngineManager();
   1.194 -        ScriptEngine js = sem.getEngineByExtension("js");
   1.195 -        try {
   1.196 -            Object res = js.eval(sb.toString());
   1.197 -            assertTrue(js instanceof Invocable, "It is invocable object: " + res);
   1.198 -            return (Invocable)js;
   1.199 -        } catch (ScriptException ex) {
   1.200 -            fail("Could not compile:\n" + sb, ex);
   1.201 -            return null;
   1.202 -        }
   1.203 -    }
   1.204 -}