rt/vm/src/test/java/org/apidesign/vm4brwsr/StaticMethodTest.java
changeset 772 d382dacfd73f
parent 708 59d5596a9c6c
child 789 bb7506513353
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/StaticMethodTest.java	Tue Feb 26 16:54:16 2013 +0100
     1.3 @@ -0,0 +1,338 @@
     1.4 +/**
     1.5 + * Back 2 Browser Bytecode Translator
     1.6 + * Copyright (C) 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.vm4brwsr;
    1.22 +
    1.23 +import static org.testng.Assert.*;
    1.24 +import org.testng.annotations.BeforeClass;
    1.25 +import org.testng.annotations.Test;
    1.26 +
    1.27 +/** Checks the basic behavior of the translator.
    1.28 + *
    1.29 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.30 + */
    1.31 +public class StaticMethodTest {
    1.32 +    @Test public void threePlusFour() throws Exception {
    1.33 +        assertExec(
    1.34 +            "Should be seven", 
    1.35 +            StaticMethod.class, "sum__III", 
    1.36 +            Double.valueOf(7), 
    1.37 +            3, 4
    1.38 +        );
    1.39 +    }
    1.40 +
    1.41 +    @Test public void checkReallyInitializedValues() throws Exception {
    1.42 +        assertExec(
    1.43 +            "Return true", 
    1.44 +            StaticMethod.class, "isNull__Z", 
    1.45 +            Double.valueOf(1)
    1.46 +        );
    1.47 +    }
    1.48 +
    1.49 +    @Test public void powerOfThree() throws Exception {
    1.50 +        assertExec(
    1.51 +            "Should be nine", 
    1.52 +            StaticMethod.class, "power__FF", 
    1.53 +            Double.valueOf(9),
    1.54 +            3.0f
    1.55 +        );
    1.56 +    }
    1.57 +
    1.58 +    @Test public void minusOne() throws Exception {
    1.59 +        assertExec(
    1.60 +            "Should be minus one", 
    1.61 +            StaticMethod.class, "minusOne__I", 
    1.62 +            Double.valueOf(-1)
    1.63 +        );
    1.64 +    }
    1.65 +
    1.66 +    @Test public void doubleWithoutLong() throws Exception {
    1.67 +        assertExec(
    1.68 +            "Should be two",
    1.69 +            StaticMethod.class, "minus__DDJ", 
    1.70 +            Double.valueOf(2),
    1.71 +            3.0d, 1l
    1.72 +        );
    1.73 +    }
    1.74 +    
    1.75 +    @Test public void rintNegativeUp() throws Exception {
    1.76 +        final double cnts = -453904.634;
    1.77 +        assertExec(
    1.78 +            "Should round up to end with 5",
    1.79 +            Math.class, "rint__DD", 
    1.80 +            -453905.0, cnts
    1.81 +        );
    1.82 +    }
    1.83 +
    1.84 +    @Test public void rintNegativeDown() throws Exception {
    1.85 +        final double cnts = -453904.434;
    1.86 +        assertExec(
    1.87 +            "Should round up to end with 4",
    1.88 +            Math.class, "rint__DD", 
    1.89 +            -453904.0, cnts
    1.90 +        );
    1.91 +    }
    1.92 +
    1.93 +    @Test public void rintPositiveUp() throws Exception {
    1.94 +        final double cnts = 453904.634;
    1.95 +        assertExec(
    1.96 +            "Should round up to end with 5",
    1.97 +            Math.class, "rint__DD", 
    1.98 +            453905.0, cnts
    1.99 +        );
   1.100 +    }
   1.101 +    @Test public void rintPositiveDown() throws Exception {
   1.102 +        final double cnts = 453904.434;
   1.103 +        assertExec(
   1.104 +            "Should round up to end with 4",
   1.105 +            Math.class, "rint__DD", 
   1.106 +            453904.0, cnts
   1.107 +        );
   1.108 +    }
   1.109 +    @Test public void rintOneHalf() throws Exception {
   1.110 +        final double cnts = 1.5;
   1.111 +        assertExec(
   1.112 +            "Should round up to end with 2",
   1.113 +            Math.class, "rint__DD", 
   1.114 +            2.0, cnts
   1.115 +        );
   1.116 +    }
   1.117 +    @Test public void rintNegativeOneHalf() throws Exception {
   1.118 +        final double cnts = -1.5;
   1.119 +        assertExec(
   1.120 +            "Should round up to end with 2",
   1.121 +            Math.class, "rint__DD", 
   1.122 +            -2.0, cnts
   1.123 +        );
   1.124 +    }
   1.125 +    @Test public void rintTwoAndHalf() throws Exception {
   1.126 +        final double cnts = 2.5;
   1.127 +        assertExec(
   1.128 +            "Should round up to end with 2",
   1.129 +            Math.class, "rint__DD", 
   1.130 +            2.0, cnts
   1.131 +        );
   1.132 +    }
   1.133 +    @Test public void rintNegativeTwoOneHalf() throws Exception {
   1.134 +        final double cnts = -2.5;
   1.135 +        assertExec(
   1.136 +            "Should round up to end with 2",
   1.137 +            Math.class, "rint__DD", 
   1.138 +            -2.0, cnts
   1.139 +        );
   1.140 +    }
   1.141 +
   1.142 +    @Test public void ieeeReminder1() throws Exception {
   1.143 +        assertExec(
   1.144 +            "Same result 1",
   1.145 +            Math.class, "IEEEremainder__DDD", 
   1.146 +            Math.IEEEremainder(10.0, 4.5), 10.0, 4.5
   1.147 +        );
   1.148 +    }
   1.149 +
   1.150 +    @Test public void ieeeReminder2() throws Exception {
   1.151 +        assertExec(
   1.152 +            "Same result 1",
   1.153 +            Math.class, "IEEEremainder__DDD", 
   1.154 +            Math.IEEEremainder(Integer.MAX_VALUE, -4.5), Integer.MAX_VALUE, -4.5
   1.155 +        );
   1.156 +    }
   1.157 +
   1.158 +    @Test public void divAndRound() throws Exception {
   1.159 +        assertExec(
   1.160 +            "Should be rounded to one",
   1.161 +            StaticMethod.class, "div__IBD", 
   1.162 +            Double.valueOf(1),
   1.163 +            3, 3.75
   1.164 +        );
   1.165 +    }
   1.166 +    @Test public void mixedMethodFourParams() throws Exception {
   1.167 +        assertExec(
   1.168 +            "Should be two",
   1.169 +            StaticMethod.class, "mix__IIJBD", 
   1.170 +            Double.valueOf(20),
   1.171 +            2, 10l, 5, 2.0
   1.172 +        );
   1.173 +    }
   1.174 +    @Test public void factRec() throws Exception {
   1.175 +        assertExec(
   1.176 +            "Factorial of 5 is 120",
   1.177 +            StaticMethod.class, "factRec__JI", 
   1.178 +            Double.valueOf(120),
   1.179 +            5
   1.180 +        );
   1.181 +    }
   1.182 +    @Test public void factIter() throws Exception {
   1.183 +        assertExec(
   1.184 +            "Factorial of 5 is 120",
   1.185 +            StaticMethod.class, "factIter__JI", 
   1.186 +            Double.valueOf(120),
   1.187 +            5
   1.188 +        );
   1.189 +    }
   1.190 +    
   1.191 +    @Test public void xor() throws Exception {
   1.192 +        assertExec(
   1.193 +            "Xor is 4",
   1.194 +            StaticMethod.class, "xor__JIJ",
   1.195 +            Double.valueOf(4),
   1.196 +            7,
   1.197 +            3
   1.198 +        );
   1.199 +    }
   1.200 +    
   1.201 +    @Test public void or() throws Exception {
   1.202 +        assertExec(
   1.203 +            "Or will be 7",
   1.204 +            StaticMethod.class, "orOrAnd__JZII",
   1.205 +            Double.valueOf(7),
   1.206 +            true,
   1.207 +            4,
   1.208 +            3
   1.209 +        );
   1.210 +    }
   1.211 +    @Test public void nullCheck() throws Exception {
   1.212 +        assertExec(
   1.213 +            "Returns nothing",
   1.214 +            StaticMethod.class, "none__Ljava_lang_Object_2II",
   1.215 +            null, 1, 3
   1.216 +        );
   1.217 +    }
   1.218 +    @Test public void and() throws Exception {
   1.219 +        assertExec(
   1.220 +            "And will be 3",
   1.221 +            StaticMethod.class, "orOrAnd__JZII",
   1.222 +            Double.valueOf(3),
   1.223 +            false,
   1.224 +            7,
   1.225 +            3
   1.226 +        );
   1.227 +    }
   1.228 +    @Test public void inc4() throws Exception {
   1.229 +        assertExec(
   1.230 +            "It will be 4",
   1.231 +            StaticMethod.class, "inc4__I",
   1.232 +            Double.valueOf(4)
   1.233 +        );
   1.234 +    }
   1.235 +    
   1.236 +    @Test public void shiftLeftInJava() throws Exception {
   1.237 +        int res = StaticMethod.shiftLeft(1, 8);
   1.238 +        assertEquals(res, 256);
   1.239 +    }
   1.240 +
   1.241 +    @Test public void shiftLeftInJS() throws Exception {
   1.242 +        assertExec(
   1.243 +            "Setting 9th bit",
   1.244 +            StaticMethod.class, "shiftLeft__III",
   1.245 +            Double.valueOf(256),
   1.246 +            1, 8
   1.247 +        );
   1.248 +    }
   1.249 +
   1.250 +    @Test public void shiftRightInJava() throws Exception {
   1.251 +        int res = StaticMethod.shiftArithmRight(-8, 3, true);
   1.252 +        assertEquals(res, -1);
   1.253 +    }
   1.254 +
   1.255 +    @Test public void shiftRightInJS() throws Exception {
   1.256 +        assertExec(
   1.257 +            "Get -1",
   1.258 +            StaticMethod.class, "shiftArithmRight__IIIZ",
   1.259 +            Double.valueOf(-1),
   1.260 +            -8, 3, true
   1.261 +        );
   1.262 +    }
   1.263 +    @Test public void unsignedShiftRightInJava() throws Exception {
   1.264 +        int res = StaticMethod.shiftArithmRight(8, 3, false);
   1.265 +        assertEquals(res, 1);
   1.266 +    }
   1.267 +
   1.268 +    @Test public void unsignedShiftRightInJS() throws Exception {
   1.269 +        assertExec(
   1.270 +            "Get -1",
   1.271 +            StaticMethod.class, "shiftArithmRight__IIIZ",
   1.272 +            Double.valueOf(1),
   1.273 +            8, 3, false
   1.274 +        );
   1.275 +    }
   1.276 +    
   1.277 +    @Test public void javaScriptBody() throws Exception {
   1.278 +        assertExec(
   1.279 +            "JavaScript string",
   1.280 +            StaticMethod.class, "i2s__Ljava_lang_String_2II",
   1.281 +            "333",
   1.282 +            330, 3
   1.283 +        );
   1.284 +    }
   1.285 +    
   1.286 +    @Test public void switchJarda() throws Exception {
   1.287 +        assertExec(
   1.288 +            "The expected value",
   1.289 +            StaticMethod.class, "swtch__Ljava_lang_String_2I",
   1.290 +            "Jarda",
   1.291 +            0
   1.292 +        );
   1.293 +    }
   1.294 +    
   1.295 +    @Test public void switchDarda() throws Exception {
   1.296 +        assertExec(
   1.297 +            "The expected value",
   1.298 +            StaticMethod.class, "swtch__Ljava_lang_String_2I",
   1.299 +            "Darda",
   1.300 +            1
   1.301 +        );
   1.302 +    }
   1.303 +    @Test public void switchParda() throws Exception {
   1.304 +        assertExec(
   1.305 +            "The expected value",
   1.306 +            StaticMethod.class, "swtch2__Ljava_lang_String_2I",
   1.307 +            "Parda",
   1.308 +            22
   1.309 +        );
   1.310 +    }
   1.311 +    @Test public void switchMarda() throws Exception {
   1.312 +        assertExec(
   1.313 +            "The expected value",
   1.314 +            StaticMethod.class, "swtch__Ljava_lang_String_2I",
   1.315 +            "Marda",
   1.316 +            -433
   1.317 +        );
   1.318 +    }
   1.319 +    
   1.320 +    @Test public void checkNullCast() throws Exception {
   1.321 +        assertExec("Null can be cast to any type",
   1.322 +            StaticMethod.class, "castNull__Ljava_lang_String_2Z", 
   1.323 +            null, true
   1.324 +        );
   1.325 +    }
   1.326 +    
   1.327 +    private static TestVM code;
   1.328 +    
   1.329 +    @BeforeClass 
   1.330 +    public void compileTheCode() throws Exception {
   1.331 +        StringBuilder sb = new StringBuilder();
   1.332 +        code = TestVM.compileClass(sb, "org/apidesign/vm4brwsr/StaticMethod");
   1.333 +    }
   1.334 +
   1.335 +    private void assertExec(
   1.336 +        String msg, Class<?> clazz, String method, 
   1.337 +        Object ret, Object... args
   1.338 +    ) throws Exception {
   1.339 +        code.assertExec(msg, clazz, method, ret, args);
   1.340 +    }
   1.341 +}