textiteratortest.cpp

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//
// TextIteratorTest.cpp
//
// $Id: //poco/Main/Foundation/testsuite/src/TextIteratorTest.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//


#include "TextIteratorTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Foundation/TextIterator.h"
#include "Foundation/Latin1Encoding.h"
#include "Foundation/UTF8Encoding.h"


using Foundation::TextIterator;
using Foundation::Latin1Encoding;
using Foundation::UTF8Encoding;


TextIteratorTest::TextIteratorTest(const std::string& name): CppUnit::TestCase(name)
{
}


TextIteratorTest::~TextIteratorTest()
{
}


void TextIteratorTest::testEmptyLatin1()
{
	Latin1Encoding encoding;
	std::string text;
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it == end);
}


void TextIteratorTest::testOneLatin1()
{
	Latin1Encoding encoding;
	std::string text("x");
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it != end);
	assert (*it == 'x');
	++it;
	assert (it == end);
}


void TextIteratorTest::testLatin1()
{
	Latin1Encoding encoding;
	std::string text("Latin1");
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it != end);
	assert (*it++ == 'L');
	assert (it != end);
	assert (*it++ == 'a');
	assert (it != end);
	assert (*it++ == 't');
	assert (it != end);
	assert (*it++ == 'i');
	assert (it != end);
	assert (*it++ == 'n');
	assert (it != end);
	assert (*it++ == '1');
	assert (it == end);
	
	std::string empty;
	it  = TextIterator(empty, encoding);
	end = TextIterator(empty);
	assert (it == end);
}


void TextIteratorTest::testEmptyUTF8()
{
	UTF8Encoding encoding;
	std::string text;
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it == end);
}


void TextIteratorTest::testOneUTF8()
{
	UTF8Encoding encoding;
	
	// 1 byte sequence
	std::string text("x");
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it != end);
	assert (*it == 'x');
	++it;
	assert (it == end);
	
	unsigned char data[Foundation::TextEncoding::MAX_SEQUENCE_LENGTH];
	
	// 2 byte sequence
	int n = encoding.convert(0xab, data, sizeof(data));
	assert (n == 2);
	text.assign((char*) data, n);
	it  = TextIterator(text, encoding);
	end = TextIterator(text);
	
	assert (it != end);
	assert (*it++ == 0xab);
	assert (it == end);

	// 3 byte sequence
	n = encoding.convert(0xabcd, data, sizeof(data));
	assert (n == 3);
	text.assign((char*) data, n);
	it  = TextIterator(text, encoding);
	end = TextIterator(text);
	
	assert (it != end);
	assert (*it++ == 0xabcd);
	assert (it == end);

	// 4 byte sequence
	n = encoding.convert(0xabcde, data, sizeof(data));
	assert (n == 4);
	text.assign((char*) data, n);
	it  = TextIterator(text, encoding);
	end = TextIterator(text);
	
	assert (it != end);
	assert (*it++ == 0xabcde);
	assert (it == end);
	
	// 5 byte sequence
	n = encoding.convert(0xabcdef, data, sizeof(data));
	assert (n == 5);
	text.assign((char*) data, n);
	it  = TextIterator(text, encoding);
	end = TextIterator(text);
	
	assert (it != end);
	assert (*it++ == 0xabcdef);
	assert (it == end);

	// 6 byte sequence
	n = encoding.convert(0xfabcdef, data, sizeof(data));
	assert (n == 6);
	text.assign((char*) data, n);
	it  = TextIterator(text, encoding);
	end = TextIterator(text);
	
	assert (it != end);
	assert (*it++ == 0xfabcdef);
	assert (it == end);
}


void TextIteratorTest::testUTF8()
{
	UTF8Encoding encoding;
	const unsigned char greek[] = {0x20, 0xce, 0xba, 0xe1, 0xbd, 0xb9, 0xcf, 0x83, 0xce, 0xbc, 0xce, 0xb5, 0x20, 0x00};
	std::string text((const char*) greek);
	TextIterator it(text, encoding);
	TextIterator end(text);
	
	assert (it != end);
	assert (*it++ == 0x0020);
	assert (it != end);
	assert (*it++ == 0x03ba);
	assert (it != end);
	assert (*it++ == 0x1f79);
	assert (it != end);
	assert (*it++ == 0x03c3);
	assert (it != end);
	assert (*it++ == 0x03bc);
	assert (it != end);
	assert (*it++ == 0x03b5);
	assert (it != end);
	assert (*it++ == 0x0020);
	assert (it == end);
}


void TextIteratorTest::setUp()
{
}


void TextIteratorTest::tearDown()
{
}


CppUnit::Test* TextIteratorTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("TextIteratorTest");

	CppUnit_addTest(pSuite, TextIteratorTest, testEmptyLatin1);
	CppUnit_addTest(pSuite, TextIteratorTest, testOneLatin1);
	CppUnit_addTest(pSuite, TextIteratorTest, testLatin1);
	CppUnit_addTest(pSuite, TextIteratorTest, testEmptyUTF8);
	CppUnit_addTest(pSuite, TextIteratorTest, testOneUTF8);
	CppUnit_addTest(pSuite, TextIteratorTest, testUTF8);

	return pSuite;
}