1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/NumberTest.java Tue Feb 26 16:54:16 2013 +0100
1.3 @@ -0,0 +1,169 @@
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 +/**
1.28 + *
1.29 + * @author Jaroslav Tulach <jtulach@netbeans.org>
1.30 + */
1.31 +public class NumberTest {
1.32 + @Test public void integerFromString() throws Exception {
1.33 + assertExec("Can convert string to integer", Integer.class, "parseInt__ILjava_lang_String_2",
1.34 + Double.valueOf(333), "333"
1.35 + );
1.36 + }
1.37 +
1.38 + @Test public void doubleFromString() throws Exception {
1.39 + assertExec("Can convert string to double", Double.class, "parseDouble__DLjava_lang_String_2",
1.40 + Double.valueOf(33.3), "33.3"
1.41 + );
1.42 + }
1.43 +
1.44 + @Test public void autoboxDouble() throws Exception {
1.45 + assertExec("Autoboxing of doubles is OK", Numbers.class, "autoboxDblToString__Ljava_lang_String_2",
1.46 + "3.3"
1.47 + );
1.48 + }
1.49 +
1.50 + @Test public void javalog1000() throws Exception {
1.51 + assertEquals(3.0, Math.log10(1000.0), 0.00003, "log_10(1000) == 3");
1.52 + }
1.53 +
1.54 + @Test public void jslog1000() throws Exception {
1.55 + assertExec("log_10(1000) == 3", Math.class, "log10__DD",
1.56 + Double.valueOf(3.0), 1000.0
1.57 + );
1.58 + }
1.59 +
1.60 + @Test public void javaRem() {
1.61 + assertEquals(3, Numbers.rem(303, 10));
1.62 + }
1.63 + @Test public void jsRem() throws Exception {
1.64 + assertExec("Should be three", Numbers.class, "rem__III",
1.65 + Double.valueOf(3.0), 303, 10
1.66 + );
1.67 + }
1.68 +
1.69 + @Test public void deserializeInt() throws Exception {
1.70 + int exp = Numbers.deserInt();
1.71 + assertExec("Should be the same", Numbers.class, "deserInt__I",
1.72 + Double.valueOf(exp)
1.73 + );
1.74 + }
1.75 +
1.76 + @Test public void deserializeSimpleLong() throws Exception {
1.77 + assertExec("Should be 3454", Numbers.class, "deserLong__J_3B",
1.78 + Double.valueOf(3454),
1.79 + new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)13, (byte)126 }
1.80 + );
1.81 + }
1.82 + /* XXX: JavaScript cannot represent as big longs as Java.
1.83 + @Test public void deserializeLargeLong() throws Exception {
1.84 + final byte[] arr = new byte[] {
1.85 + (byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0
1.86 + };
1.87 + long exp = Numbers.deserLong(arr);
1.88 + assertExec("Should be " + exp, "org_apidesign_vm4brwsr_Numbers_deserLong__JAB",
1.89 + Double.valueOf(exp), arr);
1.90 + }
1.91 + */
1.92 +
1.93 + @Test public void deserializeFloatInJava() throws Exception {
1.94 + float f = 54324.32423f;
1.95 + float r = Numbers.deserFloat();
1.96 + assertEquals(r, f, "Floats are the same");
1.97 + }
1.98 +
1.99 + @Test public void deserializeFloatInJS() throws Exception {
1.100 + float f = 54324.32423f;
1.101 + assertExec("Should be the same", Numbers.class, "deserFloat__F",
1.102 + Double.valueOf(f)
1.103 + );
1.104 + }
1.105 +
1.106 + @Test public void deserializeDoubleInJava() throws Exception {
1.107 + double f = 3.0;
1.108 + double r = Numbers.deserDouble();
1.109 + assertEquals(r, f, 0.001, "Doubles are the same");
1.110 + }
1.111 +
1.112 + @Test public void deserializeDoubleInJS() throws Exception {
1.113 + double f = 3.0;
1.114 + assertExec("Should be the same", Numbers.class, "deserDouble__D", f);
1.115 + }
1.116 + /*
1.117 + @Test public void serDouble() throws IOException {
1.118 + double f = 3.0;
1.119 + ByteArrayOutputStream os = new ByteArrayOutputStream();
1.120 + DataOutputStream d = new DataOutputStream(os);
1.121 + d.writeLong(3454);
1.122 + d.close();
1.123 +
1.124 + StringBuilder sb = new StringBuilder();
1.125 + byte[] arr = os.toByteArray();
1.126 + for (int i = 0; i < arr.length; i++) {
1.127 + sb.append("(byte)").append(arr[i]).append(", ");
1.128 + }
1.129 + fail("" + sb);
1.130 + }
1.131 +*/
1.132 + @Test public void fiveInStringJS() throws Exception {
1.133 + String s = Numbers.intToString();
1.134 + assertExec("Should be the same: " + s,
1.135 + Numbers.class, "intToString__Ljava_lang_String_2",
1.136 + s
1.137 + );
1.138 + }
1.139 +
1.140 + @Test public void sevenInStringJS() throws Exception {
1.141 + String s = Numbers.floatToString();
1.142 + assertExec("Should be the same: " + s,
1.143 + Numbers.class, "floatToString__Ljava_lang_String_2",
1.144 + s
1.145 + );
1.146 + }
1.147 +
1.148 + private static TestVM code;
1.149 +
1.150 + @BeforeClass
1.151 + public void compileTheCode() throws Exception {
1.152 + code = TestVM.compileClass("org/apidesign/vm4brwsr/Numbers");
1.153 + }
1.154 +
1.155 + private static void assertExec(
1.156 + String msg, Class<?> clazz, String method, Object expRes, Object... args) throws Exception
1.157 + {
1.158 + Object ret = code.execCode(msg, clazz, method, expRes, args);
1.159 + if (ret == null) {
1.160 + return;
1.161 + }
1.162 + if (expRes instanceof Double && ret instanceof Double) {
1.163 + double expD = ((Double)expRes).doubleValue();
1.164 + double retD = ((Double)ret).doubleValue();
1.165 + assertEquals(retD, expD, 0.000004, msg + " "
1.166 + + code.toString());
1.167 + return;
1.168 + }
1.169 + assertEquals(ret, expRes, msg + " " + code.toString());
1.170 + }
1.171 +
1.172 +}