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/*=========================================================================
Program: Visualization Toolkit
Module: TestUnicodeStringAPI.cxx
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include <vtkUnicodeString.h>
#include <vtksys/stl/iterator>
#include <vtksys/ios/iostream>
#include <vtksys/ios/sstream>
#include <vtksys/stl/stdexcept>
#define test_expression(expression) \
{ \
if(!(expression)) \
{ \
vtksys_ios::ostringstream buffer; \
buffer << "Expression failed at line " << __LINE__ << ": " << #expression; \
throw vtkstd::runtime_error(buffer.str()); \
} \
}
// Sample strings - nothing risque, I hope ...
static const vtkstd::string sample_utf8_ascii = "abcde123";
static const vtkstd::string sample_utf8_greek = "\xce\xb1\xce\xb2\xce\xb3"; // Greek lower-case alpha, beta, gamma.
static const vtkstd::string sample_utf8_thai = "\xe0\xb8\x81\xe0\xb8\x82\xe0\xb8\x83"; // Thai ko kai, kho khai, kho khuat.
static const vtkstd::string sample_utf8_linear_b = "\xf0\x90\x80\x80\xf0\x90\x80\x81\xf0\x90\x80\x82\xf0\x90\x80\x83\xf0\x90\x80\x84"; // Linear-B syllables a, e, i, o, u.
static const vtkstd::string sample_utf8_mixed = "a\xce\xb1\xe0\xb8\x81\xf0\x90\x80\x80"; // a, alpha, ko kai, syllable-a.
static const vtkTypeUInt16 sample_utf16[] =
{
0x0041, // 'a'
0x0020, // ' '
0xD800, // high-half zone part
0xDC00, // low-half zone part
0xD800, // etc.
0xDC01,
0x0000
};
int TestUnicodeStringAPI(int, char*[])
{
try
{
vtkUnicodeString a;
test_expression(a.empty());
test_expression(a.character_count() == 0);
a = vtkUnicodeString::from_utf8(sample_utf8_ascii);
test_expression(!a.empty());
test_expression(a.character_count() == 8);
test_expression(a.utf8_str() == sample_utf8_ascii);
test_expression(a.at(1) == 0x00000062);
test_expression(a[1] == 0x00000062);
a.clear();
test_expression(a.empty());
a = vtkUnicodeString::from_utf8(sample_utf8_greek);
test_expression(a.character_count() == 3);
test_expression(a.utf8_str() == sample_utf8_greek);
test_expression(a.at(2) == 0x000003b3);
test_expression(a[2] == 0x000003b3);
a = vtkUnicodeString::from_utf8(sample_utf8_thai);
test_expression(a.character_count() == 3);
test_expression(a.utf8_str() == sample_utf8_thai);
test_expression(a.at(1) == 0x00000e02);
test_expression(a[1] == 0x00000e02);
a = vtkUnicodeString::from_utf8(sample_utf8_linear_b);
test_expression(a.character_count() == 5);
test_expression(a.utf8_str() == sample_utf8_linear_b);
test_expression(a.at(4) == 0x00010004);
test_expression(a[4] == 0x00010004);
a = vtkUnicodeString::from_utf8(sample_utf8_mixed);
test_expression(a.character_count() == 4);
test_expression(a.utf8_str() == sample_utf8_mixed);
test_expression(a.at(2) == 0x00000e01);
test_expression(a[2] == 0x00000e01);
vtkUnicodeString b = vtkUnicodeString::from_utf8(sample_utf8_ascii);
test_expression(b.utf8_str() == sample_utf8_ascii);
test_expression(a.utf8_str() == sample_utf8_mixed);
a.swap(b);
test_expression(a.utf8_str() == sample_utf8_ascii);
test_expression(b.utf8_str() == sample_utf8_mixed);
a = vtkUnicodeString::from_utf16(sample_utf16);
test_expression(a.character_count() == 4);
test_expression(a[0] == 0x00000041);
test_expression(a[1] == 0x00000020);
test_expression(a[2] == 0x00010000);
test_expression(a[3] == 0x00010001);
a = vtkUnicodeString::from_utf8("Hello, World!");
test_expression(a.substr(7) == vtkUnicodeString::from_utf8("World!"));
test_expression(a.substr(1, 4) == vtkUnicodeString::from_utf8("ello"));
return 0;
}
catch(vtkstd::exception& e)
{
cerr << e.what() << endl;
return 1;
}
}
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