rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/tck/DoubleTest.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Fri, 12 Jul 2013 16:05:33 +0200
changeset 1247 48de24658490
parent 1034 28dc692f3b11
child 1332 bad90a969596
permissions -rw-r--r--
Double.valueOf returns instance of Double
     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.bck2brwsr.tck;
    19 
    20 import org.apidesign.bck2brwsr.vmtest.Compare;
    21 import org.apidesign.bck2brwsr.vmtest.VMTest;
    22 import org.testng.annotations.Factory;
    23 
    24 /**
    25  *
    26  * @author Jaroslav Tulach <jtulach@netbeans.org>
    27  */
    28 public class DoubleTest {
    29     @Compare public boolean parsedDoubleIsDouble() {
    30         return Double.valueOf("1.1") instanceof Double;
    31     }
    32     
    33     @Compare public String integerToString() {
    34         return toStr(1);
    35     }
    36 
    37     @Compare public String integerAndHalfToString() {
    38         return toStr(1.5);
    39     }
    40 
    41     @Compare public double longToAndBack() {
    42         return Double.parseDouble(toStr(Long.MAX_VALUE / 10));
    43     }
    44 
    45     @Compare public String negativeIntToString() {
    46         return toStr(-10);
    47     }
    48 
    49     @Compare public String negativeIntAndHalfToString() {
    50         return toStr(-10.5);
    51     }
    52 
    53     @Compare public double negativeLongAndBack() {
    54         return Double.parseDouble(toStr(Long.MIN_VALUE / 10));
    55     }
    56     
    57     @Compare public double canParseExp() {
    58         return Double.parseDouble(toStr(1.7976931348623157e+308));
    59     }
    60     
    61     private static String toStr(double d) {
    62         return Double.toString(d);
    63     }
    64     
    65     @Factory 
    66     public static Object[] create() {
    67         return VMTest.create(DoubleTest.class);
    68     }
    69 }