add test for passing c_str() of temporary wxString to Printf()
[wxWidgets.git] / tests / strings / vararg.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/strings/vararg.cpp
3 // Purpose: Test for wx vararg look-alike macros
4 // Author: Vaclav Slavik
5 // Created: 2007-02-20
6 // RCS-ID: $Id$
7 // Copyright: (c) 2007 REA Elektronik GmbH
8 // Licence: wxWindows licence
9 ///////////////////////////////////////////////////////////////////////////////
10
11 // ----------------------------------------------------------------------------
12 // headers
13 // ----------------------------------------------------------------------------
14
15 #include "testprec.h"
16
17 #ifdef __BORLANDC__
18 #pragma hdrstop
19 #endif
20
21 #ifndef WX_PRECOMP
22 #include "wx/wx.h"
23 #endif // WX_PRECOMP
24
25 #include "wx/string.h"
26
27 // ----------------------------------------------------------------------------
28 // test class
29 // ----------------------------------------------------------------------------
30
31 class VarArgTestCase : public CppUnit::TestCase
32 {
33 public:
34 VarArgTestCase() {}
35
36 private:
37 CPPUNIT_TEST_SUITE( VarArgTestCase );
38 CPPUNIT_TEST( StringPrintf );
39 #if wxUSE_STD_STRING
40 CPPUNIT_TEST( StdString );
41 #endif
42 CPPUNIT_TEST_SUITE_END();
43
44 void StringPrintf();
45 #if wxUSE_STD_STRING
46 void StdString();
47 #endif
48
49 DECLARE_NO_COPY_CLASS(VarArgTestCase)
50 };
51
52 // register in the unnamed registry so that these tests are run by default
53 CPPUNIT_TEST_SUITE_REGISTRATION( VarArgTestCase );
54
55 // also include in it's own registry so that these tests can be run alone
56 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VarArgTestCase, "VarArgTestCase" );
57
58 void VarArgTestCase::StringPrintf()
59 {
60 wxString s, s2;
61
62 // test passing literals:
63 s.Printf("%s %i", "foo", 42);
64 CPPUNIT_ASSERT( s == "foo 42" );
65 s.Printf("%s %s %i", _T("bar"), "=", 11);
66
67 // test passing c_str():
68 CPPUNIT_ASSERT( s == "bar = 11" );
69 s2.Printf("(%s)", s.c_str());
70 CPPUNIT_ASSERT( s2 == "(bar = 11)" );
71 s2.Printf(_T("[%s](%s)"), s.c_str(), "str");
72 CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
73
74 s2.Printf("%s mailbox", wxString("Opening").c_str());
75 CPPUNIT_ASSERT( s2 == "Opening mailbox" );
76
77 // test passing wxString directly:
78 s2.Printf(_T("[%s](%s)"), s, "str");
79 CPPUNIT_ASSERT( s2 == "[bar = 11](str)" );
80
81 // test passing wxCharBufferType<T>:
82 s = "FooBar";
83 s2.Printf(_T("(%s)"), s.mb_str());
84 CPPUNIT_ASSERT( s2 == "(FooBar)" );
85 s2.Printf(_T("value=%s;"), s.wc_str());
86 CPPUNIT_ASSERT( s2 == "value=FooBar;" );
87
88 // this tests correct passing of wxCStrData constructed from string
89 // literal:
90 bool cond = true;
91 s2.Printf(_T("foo %s"), !cond ? s.c_str() : _T("bar"));
92
93 }
94
95 #if wxUSE_STD_STRING
96 void VarArgTestCase::StdString()
97 {
98 // test passing std::[w]string
99 wxString s;
100
101 std::string mb("multi-byte");
102 std::string wc("widechar");
103
104 s.Printf("string %s(%i).", mb, 1);
105 CPPUNIT_ASSERT( s == "string multi-byte(1)." );
106
107 s.Printf("string %s(%i).", wc, 2);
108 CPPUNIT_ASSERT( s == "string widechar(2)." );
109 }
110 #endif // wxUSE_STD_STRING