2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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.
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.
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.
18 package org.apidesign.vm4brwsr;
20 import javax.script.ScriptEngine;
21 import static org.testng.Assert.*;
22 import org.testng.annotations.AfterClass;
23 import org.testng.annotations.BeforeClass;
24 import org.testng.annotations.Test;
28 * @author Jaroslav Tulach <jtulach@netbeans.org>
30 public class NumbersAsExtensionTest {
31 @Test public void integerFromString() throws Exception {
32 assertExec("Can convert string to integer", Integer.class, "parseInt__ILjava_lang_String_2",
33 Double.valueOf(333), "333"
37 @Test public void doubleFromString() throws Exception {
38 assertExec("Can convert string to double", Double.class, "parseDouble__DLjava_lang_String_2",
39 Double.valueOf(33.3), "33.3"
43 @Test public void autoboxDouble() throws Exception {
44 assertExec("Autoboxing of doubles is OK", Numbers.class, "autoboxDblToString__Ljava_lang_String_2",
49 @Test public void javalog1000() throws Exception {
50 assertEquals(3.0, Math.log10(1000.0), 0.00003, "log_10(1000) == 3");
53 @Test public void jslog1000() throws Exception {
54 assertExec("log_10(1000) == 3", Math.class, "log10__DD",
55 Double.valueOf(3.0), 1000.0
59 @Test public void javaRem() {
60 assertEquals(3, Numbers.rem(303, 10));
62 @Test public void jsRem() throws Exception {
63 assertExec("Should be three", Numbers.class, "rem__III",
64 Double.valueOf(3.0), 303, 10
68 @Test public void deserializeInt() throws Exception {
69 int exp = Numbers.deserInt();
70 assertExec("Should be the same", Numbers.class, "deserInt__I",
75 @Test public void deserializeSimpleLong() throws Exception {
76 assertExec("Should be 3454", Numbers.class, "deserLong__J_3B",
78 new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)13, (byte)126 }
81 /* XXX: JavaScript cannot represent as big longs as Java.
82 @Test public void deserializeLargeLong() throws Exception {
83 final byte[] arr = new byte[] {
84 (byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0
86 long exp = Numbers.deserLong(arr);
87 assertExec("Should be " + exp, "org_apidesign_vm4brwsr_Numbers_deserLong__JAB",
88 Double.valueOf(exp), arr);
92 @Test public void deserializeFloatInJava() throws Exception {
93 float f = 54324.32423f;
94 float r = Numbers.deserFloat();
95 assertEquals(r, f, "Floats are the same");
98 @Test public void deserializeFloatInJS() throws Exception {
99 float f = 54324.32423f;
100 assertExec("Should be the same", Numbers.class, "deserFloat__F",
105 @Test public void deserializeDoubleInJava() throws Exception {
107 double r = Numbers.deserDouble();
108 assertEquals(r, f, 0.001, "Doubles are the same");
111 @Test public void deserializeDoubleInJS() throws Exception {
113 assertExec("Should be the same", Numbers.class, "deserDouble__D", f);
116 @Test public void serDouble() throws IOException {
118 ByteArrayOutputStream os = new ByteArrayOutputStream();
119 DataOutputStream d = new DataOutputStream(os);
123 StringBuilder sb = new StringBuilder();
124 byte[] arr = os.toByteArray();
125 for (int i = 0; i < arr.length; i++) {
126 sb.append("(byte)").append(arr[i]).append(", ");
131 @Test public void fiveInStringJS() throws Exception {
132 String s = Numbers.intToString();
133 assertExec("Should be the same: " + s,
134 Numbers.class, "intToString__Ljava_lang_String_2",
139 @Test public void sevenInStringJS() throws Exception {
140 String s = Numbers.floatToString();
141 assertExec("Should be the same: " + s,
142 Numbers.class, "floatToString__Ljava_lang_String_2",
147 @Test public void everyNumberHasJavaLangNumberMethods() throws Exception {
148 assertExec("Can we call doubleValue?",
149 Numbers.class, "seven__DI",
150 Double.valueOf(7.0), 0
153 @Test public void everyNumberHasJavaLangNumberMethodsInt() throws Exception {
154 assertExec("Can we call doubleValue?",
155 Numbers.class, "seven__DI",
156 Double.valueOf(7.0), 1
159 @Test public void everyNumberHasJavaLangNumberMethodsLong() throws Exception {
160 assertExec("Can we call doubleValue?",
161 Numbers.class, "seven__DI",
162 Double.valueOf(7.0), 2
165 @Test public void everyNumberHasJavaLangNumberMethodsShort() throws Exception {
166 assertExec("Can we call doubleValue?",
167 Numbers.class, "seven__DI",
168 Double.valueOf(7.0), 3
171 @Test public void everyNumberHasJavaLangNumberMethodsByte() throws Exception {
172 assertExec("Can we call doubleValue?",
173 Numbers.class, "seven__DI",
174 Double.valueOf(7.0), 4
177 @Test public void valueOfNumber() throws Exception {
178 assertExec("Can we call JavaScripts valueOf?",
179 Numbers.class, "seven__DI",
180 Double.valueOf(7.0), 8
183 @Test public void valueOfLongNumber() throws Exception {
184 assertExec("Can we call JavaScripts valueOf?",
185 Numbers.class, "seven__DI",
186 Double.valueOf(Long.MAX_VALUE / 5), 9
189 @Test public void valueOfLongCharA() throws Exception {
190 assertExec("Can we call JavaScripts valueOf on Character?",
191 Numbers.class, "seven__DI",
192 Double.valueOf('A'), 65
196 @Test public void valueOfLongBooleanTrue() throws Exception {
197 assertExec("Can we call JavaScripts valueOf on Boolean?",
198 Numbers.class, "bseven__ZI",
202 @Test public void valueOfLongBooleanFalse() throws Exception {
203 assertExec("Can we call JavaScripts valueOf on Boolean?",
204 Numbers.class, "bseven__ZI",
209 private static TestVM code;
212 public static void compileTheCode() throws Exception {
213 ScriptEngine[] eng = { null };
214 code = TestVM.compileClassAsExtension(null, eng, "org/apidesign/vm4brwsr/Numbers", null, null);
217 public static void releaseTheCode() {
221 private static void assertExec(
222 String msg, Class<?> clazz, String method, Object expRes, Object... args) throws Exception
224 Object ret = code.execCode(msg, clazz, method, expRes, args);
228 if (expRes instanceof Double && ret instanceof Double) {
229 double expD = ((Double)expRes).doubleValue();
230 double retD = ((Double)ret).doubleValue();
231 assertEquals(retD, expD, 0.000004, msg + " "
235 assertEquals(ret, expRes, msg + " " + code.toString());