1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/StackMapperTest.java	Fri Feb 27 10:41:40 2015 +0100
     1.3 @@ -0,0 +1,72 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 2012-2015 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.vm4brwsr;
    1.22 +
    1.23 +import javax.script.ScriptEngine;
    1.24 +import javax.script.ScriptEngineManager;
    1.25 +import static org.testng.Assert.*;
    1.26 +import org.testng.annotations.Test;
    1.27 +
    1.28 +/**
    1.29 + *
    1.30 + * @author Jaroslav Tulach
    1.31 + */
    1.32 +public class StackMapperTest {
    1.33 +    
    1.34 +    public StackMapperTest() {
    1.35 +    }
    1.36 +    
    1.37 +    @Test public void replaceValueThatAnotherReplaceDependsOn()
    1.38 +    throws Exception {
    1.39 +        StringBuilder sb = new StringBuilder();
    1.40 +        
    1.41 +        StackMapper smapper = new StackMapper();
    1.42 +        
    1.43 +        smapper.assign(sb, VarType.INTEGER, "0");
    1.44 +        
    1.45 +        smapper.assign(sb, VarType.REFERENCE, "arr");
    1.46 +        smapper.assign(sb, VarType.INTEGER, "33");
    1.47 +        smapper.replace(sb, VarType.INTEGER, "@2[@1]", 
    1.48 +            smapper.popI(), smapper.getA(0)
    1.49 +        );
    1.50 +
    1.51 +        smapper.replace(sb, VarType.INTEGER, "(@1) + (@2)", 
    1.52 +            smapper.getI(1), smapper.popI()
    1.53 +        );
    1.54 +        
    1.55 +        smapper.assign(sb, VarType.REFERENCE, "arr");
    1.56 +        smapper.assign(sb, VarType.INTEGER, "22");
    1.57 +        smapper.replace(sb, VarType.INTEGER, "@2[@1]", 
    1.58 +            smapper.popI(), smapper.getA(0)
    1.59 +        );
    1.60 +        
    1.61 +        smapper.replace(sb, VarType.INTEGER, "(@1) + (@2)", 
    1.62 +            smapper.getI(1), smapper.popI()
    1.63 +        );
    1.64 +        
    1.65 +        smapper.flush(sb);
    1.66 +        
    1.67 +        ScriptEngineManager sem = new ScriptEngineManager();
    1.68 +        ScriptEngine em = sem.getEngineByMimeType("text/javascript");
    1.69 +        Object ret = em.eval("var arr= []; arr[33] = 40; arr[22] = 2; " + sb + "; stI0;");
    1.70 +        
    1.71 +        assertTrue(ret instanceof Number, "Result is number: " + ret);
    1.72 +        assertEquals(((Number)ret).intValue(), 42, "Right value");
    1.73 +    }
    1.74 +    
    1.75 +}