1 /*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: TestUnicodeStringAPI.cxx
5
6 -------------------------------------------------------------------------
7 Copyright 2008 Sandia Corporation.
8 Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
9 the U.S. Government retains certain rights in this software.
10 -------------------------------------------------------------------------
11
12 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
13 All rights reserved.
14 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
15
16 This software is distributed WITHOUT ANY WARRANTY; without even
17 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
18 PURPOSE. See the above copyright notice for more information.
19
20 =========================================================================*/
21
22 #include <vtkUnicodeString.h>
23
24 #include <vtksys/stl/iterator>
25 #include <vtksys/ios/iostream>
26 #include <vtksys/ios/sstream>
27 #include <vtksys/stl/stdexcept>
28
29 #define test_expression(expression) \
30 { \
31 if(!(expression)) \
32 { \
33 vtksys_ios::ostringstream buffer; \
34 buffer << "Expression failed at line " << __LINE__ << ": " << #expression; \
35 throw std::runtime_error(buffer.str()); \
36 } \
37 }
38
39 // Sample strings - nothing risque, I hope ...
40 static const std::string sample_utf8_ascii = "abcde123";
41 static const std::string sample_utf8_greek = "\xce\xb1\xce\xb2\xce\xb3"; // Greek lower-case alpha, beta, gamma.
42 static const std::string sample_utf8_thai = "\xe0\xb8\x81\xe0\xb8\x82\xe0\xb8\x83"; // Thai ko kai, kho khai, kho khuat.
43 static const std::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.
44 static const std::string sample_utf8_mixed = "a\xce\xb1\xe0\xb8\x81\xf0\x90\x80\x80"; // a, alpha, ko kai, syllable-a.
45 static const vtkTypeUInt16 sample_utf16[] =
46 {
47 0x0041, // 'a'
48 0x0020, // ' '
49 0xD800, // high-half zone part
50 0xDC00, // low-half zone part
51 0xD800, // etc.
52 0xDC01,
53 0x0000
54 };
55
56
TestUnicodeStringAPI(int,char * [])57 int TestUnicodeStringAPI(int, char*[])
58 {
59 try
60 {
61 vtkUnicodeString a;
62 test_expression(a.empty());
63 test_expression(a.character_count() == 0);
64
65 a = vtkUnicodeString::from_utf8(sample_utf8_ascii);
66 test_expression(!a.empty());
67 test_expression(a.character_count() == 8);
68 test_expression(a.utf8_str() == sample_utf8_ascii);
69 test_expression(a.at(1) == 0x00000062);
70 test_expression(a[1] == 0x00000062);
71
72 a.clear();
73 test_expression(a.empty());
74
75 a = vtkUnicodeString::from_utf8(sample_utf8_greek);
76 test_expression(a.character_count() == 3);
77 test_expression(a.utf8_str() == sample_utf8_greek);
78 test_expression(a.at(2) == 0x000003b3);
79 test_expression(a[2] == 0x000003b3);
80
81 a = vtkUnicodeString::from_utf8(sample_utf8_thai);
82 test_expression(a.character_count() == 3);
83 test_expression(a.utf8_str() == sample_utf8_thai);
84 test_expression(a.at(1) == 0x00000e02);
85 test_expression(a[1] == 0x00000e02);
86
87 a = vtkUnicodeString::from_utf8(sample_utf8_linear_b);
88 test_expression(a.character_count() == 5);
89 test_expression(a.utf8_str() == sample_utf8_linear_b);
90 test_expression(a.at(4) == 0x00010004);
91 test_expression(a[4] == 0x00010004);
92
93 a = vtkUnicodeString::from_utf8(sample_utf8_mixed);
94 test_expression(a.character_count() == 4);
95 test_expression(a.utf8_str() == sample_utf8_mixed);
96 test_expression(a.at(2) == 0x00000e01);
97 test_expression(a[2] == 0x00000e01);
98
99 vtkUnicodeString b = vtkUnicodeString::from_utf8(sample_utf8_ascii);
100 test_expression(b.utf8_str() == sample_utf8_ascii);
101 test_expression(a.utf8_str() == sample_utf8_mixed);
102 a.swap(b);
103 test_expression(a.utf8_str() == sample_utf8_ascii);
104 test_expression(b.utf8_str() == sample_utf8_mixed);
105
106 a = vtkUnicodeString::from_utf16(sample_utf16);
107 test_expression(a.character_count() == 4);
108 test_expression(a[0] == 0x00000041);
109 test_expression(a[1] == 0x00000020);
110 test_expression(a[2] == 0x00010000);
111 test_expression(a[3] == 0x00010001);
112
113 a = vtkUnicodeString::from_utf8("Hello, World!");
114 test_expression(a.substr(7) == vtkUnicodeString::from_utf8("World!"));
115 test_expression(a.substr(1, 4) == vtkUnicodeString::from_utf8("ello"));
116
117 return 0;
118 }
119 catch(std::exception& e)
120 {
121 cerr << e.what() << endl;
122 return 1;
123 }
124 }
125
126