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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.vm4brwsr;
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import javax.script.Invocable;
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import javax.script.ScriptException;
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import static org.testng.Assert.*;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public class NumberTest {
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@Test public void integerFromString() throws Exception {
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assertExec("Can convert string to integer", Integer.class, "parseInt__ILjava_lang_String_2",
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Double.valueOf(333), "333"
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);
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}
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@Test public void doubleFromString() throws Exception {
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assertExec("Can convert string to double", Double.class, "parseDouble__DLjava_lang_String_2",
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Double.valueOf(33.3), "33.3"
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);
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}
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@Test public void autoboxDouble() throws Exception {
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assertExec("Autoboxing of doubles is OK", Numbers.class, "autoboxDblToString__Ljava_lang_String_2",
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"3.3"
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);
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}
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@Test public void javalog1000() throws Exception {
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assertEquals(3.0, Math.log10(1000.0), 0.00003, "log_10(1000) == 3");
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}
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@Test public void jslog1000() throws Exception {
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assertExec("log_10(1000) == 3", Math.class, "log10__DD",
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Double.valueOf(3.0), 1000.0
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);
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}
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@Test public void javaRem() {
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assertEquals(3, Numbers.rem(303, 10));
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}
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@Test public void jsRem() throws Exception {
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assertExec("Should be three", Numbers.class, "rem__III",
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Double.valueOf(3.0), 303, 10
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);
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}
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@Test public void deserializeInt() throws Exception {
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int exp = Numbers.deserInt();
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assertExec("Should be the same", Numbers.class, "deserInt__I",
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Double.valueOf(exp)
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);
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}
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@Test public void deserializeSimpleLong() throws Exception {
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assertExec("Should be 3454", Numbers.class, "deserLong__J_3B",
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Double.valueOf(3454),
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new byte[] { (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)13, (byte)126 }
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);
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}
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/* XXX: JavaScript cannot represent as big longs as Java.
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@Test public void deserializeLargeLong() throws Exception {
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final byte[] arr = new byte[] {
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(byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0
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};
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long exp = Numbers.deserLong(arr);
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assertExec("Should be " + exp, "org_apidesign_vm4brwsr_Numbers_deserLong__JAB",
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Double.valueOf(exp), arr);
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}
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*/
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@Test public void deserializeFloatInJava() throws Exception {
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float f = 54324.32423f;
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float r = Numbers.deserFloat();
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assertEquals(r, f, "Floats are the same");
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}
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@Test public void deserializeFloatInJS() throws Exception {
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float f = 54324.32423f;
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assertExec("Should be the same", Numbers.class, "deserFloat__F",
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Double.valueOf(f)
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);
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}
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@Test public void deserializeDoubleInJava() throws Exception {
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double f = 3.0;
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double r = Numbers.deserDouble();
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assertEquals(r, f, 0.001, "Doubles are the same");
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}
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@Test public void deserializeDoubleInJS() throws Exception {
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double f = 3.0;
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assertExec("Should be the same", Numbers.class, "deserDouble__D", f);
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}
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/*
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@Test public void serDouble() throws IOException {
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double f = 3.0;
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ByteArrayOutputStream os = new ByteArrayOutputStream();
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DataOutputStream d = new DataOutputStream(os);
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d.writeLong(3454);
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d.close();
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StringBuilder sb = new StringBuilder();
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byte[] arr = os.toByteArray();
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for (int i = 0; i < arr.length; i++) {
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sb.append("(byte)").append(arr[i]).append(", ");
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}
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fail("" + sb);
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}
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*/
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@Test public void fiveInStringJS() throws Exception {
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String s = Numbers.intToString();
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assertExec("Should be the same: " + s,
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Numbers.class, "intToString__Ljava_lang_String_2",
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s
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);
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}
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@Test public void sevenInStringJS() throws Exception {
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String s = Numbers.floatToString();
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assertExec("Should be the same: " + s,
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Numbers.class, "floatToString__Ljava_lang_String_2",
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s
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);
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}
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private static CharSequence codeSeq;
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private static Invocable code;
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@BeforeClass
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public void compileTheCode() throws Exception {
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if (codeSeq == null) {
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StringBuilder sb = new StringBuilder();
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code = StaticMethodTest.compileClass(sb, "org/apidesign/vm4brwsr/Numbers");
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codeSeq = sb;
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}
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}
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private static void assertExec(
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String msg, Class<?> clazz, String method, Object expRes, Object... args) throws Exception {
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Object ret = null;
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try {
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ret = code.invokeFunction("bck2brwsr");
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ret = code.invokeMethod(ret, "loadClass", clazz.getName());
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ret = code.invokeMethod(ret, method, args);
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} catch (ScriptException ex) {
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fail("Execution failed in\n" + StaticMethodTest.dumpJS(codeSeq), ex);
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} catch (NoSuchMethodException ex) {
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fail("Cannot find method in\n" + StaticMethodTest.dumpJS(codeSeq), ex);
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}
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if (ret == null && expRes == null) {
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return;
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}
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if (expRes.equals(ret)) {
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return;
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}
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if (expRes instanceof Double && ret instanceof Double) {
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double expD = ((Double)expRes).doubleValue();
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double retD = ((Double)ret).doubleValue();
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assertEquals(retD, expD, 0.000004, msg + " was " + ret + "\n" + StaticMethodTest.dumpJS(codeSeq));
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return;
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}
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assertEquals(ret, expRes, msg + "was: " + ret + "\n" + StaticMethodTest.dumpJS(codeSeq));
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}
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}
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