vm/src/test/java/org/apidesign/vm4brwsr/ArrayTest.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Sat, 17 Nov 2012 17:43:15 +0100
branchjavap
changeset 172 9eb74b221cff
parent 131 dbfbcd718146
child 203 c6a0b5b64133
permissions -rw-r--r--
Pre-fill arrays with nulls
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.vm4brwsr;
    19 
    20 import javax.script.Invocable;
    21 import javax.script.ScriptException;
    22 import static org.testng.Assert.*;
    23 import org.testng.annotations.BeforeClass;
    24 import org.testng.annotations.Test;
    25 
    26 /**
    27  *
    28  * @author Jaroslav Tulach <jtulach@netbeans.org>
    29  */
    30 public class ArrayTest {
    31     @Test public void verifySimpleIntOperation() throws Exception {
    32             assertExec("CheckTheSum", "org_apidesign_vm4brwsr_Array_simpleI", 
    33             Double.valueOf(15)
    34         );
    35     }
    36     
    37     @Test public void realOperationOnArrays() throws Exception {
    38         assertEquals(Array.sum(), 105.0, "Computes to 105");
    39     }
    40     
    41     @Test public void verifyOperationsOnArrays() throws Exception {
    42         assertExec("The sum is 105", "org_apidesign_vm4brwsr_Array_sumD", 
    43             Double.valueOf(105)
    44         );
    45     }
    46     
    47     @Test public void doesCopyArrayWork() throws Exception {
    48         assertExec("Returns 'a'", "org_apidesign_vm4brwsr_Array_copyArrayC", Double.valueOf('a'));
    49     }
    50     
    51     private static CharSequence codeSeq;
    52     private static Invocable code;
    53     
    54     @BeforeClass 
    55     public void compileTheCode() throws Exception {
    56         StringBuilder sb = new StringBuilder();
    57         code = StaticMethodTest.compileClass(sb, 
    58             "org/apidesign/vm4brwsr/Array"
    59         );
    60         codeSeq = sb;
    61     }
    62     private static void assertExec(String msg, String methodName, Object expRes, Object... args) throws Exception {
    63         Object ret = null;
    64         try {
    65             ret = code.invokeFunction(methodName, args);
    66         } catch (ScriptException ex) {
    67             fail("Execution failed in\n" + StaticMethodTest.dumpJS(codeSeq), ex);
    68         } catch (NoSuchMethodException ex) {
    69             fail("Cannot find method in\n" + StaticMethodTest.dumpJS(codeSeq), ex);
    70         }
    71         if (ret == null && expRes == null) {
    72             return;
    73         }
    74         if (expRes.equals(ret)) {
    75             return;
    76         }
    77         assertEquals(ret, expRes, msg + "was: " + ret + "\n" + codeSeq);
    78     }
    79 }