UnitTestCharsets.java

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 * The Original Code is "com.andreasfink.utils" Java(TM) utilities module.
 *
 * The Initial Developer of the Original Code is
 * Andreas Fink, oss@andreasfink.com.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
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package com.andreasfink.utils.text;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

import junit.framework.TestCase;

/**
 *
 * @author oss@andreasfink.com
 *
 */
public class UnitTestCharsets extends TestCase {

	private final String testBase;
	final File cp1252csv;
	final File utf8csv;

	public UnitTestCharsets() {
		final ClassLoader cl = Thread.currentThread().getContextClassLoader();

		testBase = cl.getResource("csv/").getPath();
		cp1252csv = new File(testBase, "cp1252.csv");
		utf8csv = new File(testBase, "utf8.csv");
	}

	public void testDetect() throws FileNotFoundException {
		final String charset1 = Charsets.detectCharset(cp1252csv);
		assertTrue(charset1.equals("WINDOWS-1252"));

		final String charset2 = Charsets.detectCharset(new FileInputStream(cp1252csv));
		assertTrue(charset2.equals("WINDOWS-1252"));

		final String charset3 = Charsets.detectCharset(utf8csv);
		assertTrue(charset3.equals("UTF-8"));

		final String charset4 = Charsets.detectCharset(new FileInputStream(utf8csv));
		assertTrue(charset4.equals("UTF-8"));
	}

}