1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
// activate support for detecting errors instead of getting compile errors
#define RTL_STRING_UNITTEST_CONCAT
extern bool rtl_string_unittest_invalid_concat;
#include <sal/types.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/string.hxx>
#include <rtl/strbuf.hxx>
#include <typeinfo>
using namespace rtl;
namespace std
{
template< typename charT, typename traits > static std::basic_ostream<charT, traits> &
operator <<(
std::basic_ostream<charT, traits> & stream, const std::type_info& info )
{
return stream << info.name();
}
} // namespace
namespace test { namespace oustring {
class StringConcat : public CppUnit::TestFixture
{
private:
void checkConcat();
void checkConcatAsciiL();
void checkEnsureCapacity();
void checkAppend();
void checkInvalid();
CPPUNIT_TEST_SUITE(StringConcat);
CPPUNIT_TEST(checkConcat);
CPPUNIT_TEST(checkConcatAsciiL);
CPPUNIT_TEST(checkEnsureCapacity);
CPPUNIT_TEST(checkAppend);
CPPUNIT_TEST(checkInvalid);
CPPUNIT_TEST_SUITE_END();
};
void test::oustring::StringConcat::checkConcat()
{
// All the extra () are to protect commas against being treated as separators of macro arguments.
CPPUNIT_ASSERT_EQUAL( OUString(), OUString(OUString() + OUString()));
CPPUNIT_ASSERT_EQUAL( OUString( "foobar" ), OUString( OUString( "foo" ) + OUString( "bar" )));
CPPUNIT_ASSERT_EQUAL(( typeid( OUStringConcat< OUString, OUString > )), typeid( OUString( "foo" ) + OUString( "bar" )));
CPPUNIT_ASSERT_EQUAL( OUString( "foobar" ), OUString( OUString( "foo" ) + "bar" ));
CPPUNIT_ASSERT_EQUAL(( typeid( OUStringConcat< OUString, const char[ 4 ] > )), typeid( OUString( "foo" ) + "bar" ));
CPPUNIT_ASSERT_EQUAL( OUString( "foobarbaz" ), OUString( OUString( "foo" ) + "bar" + "baz" ));
CPPUNIT_ASSERT_EQUAL(( typeid( OUStringConcat< OUStringConcat< OUString, const char[ 4 ] >, const char[ 4 ] > )), typeid( OUString( "foo" ) + "bar" + "baz" ));
CPPUNIT_ASSERT_EQUAL( OUString( "foobar" ), OUString( OUStringLiteral( "foo" ) + "bar" ));
CPPUNIT_ASSERT_EQUAL(( typeid( OUStringConcat< OUStringLiteral, const char[ 4 ] > )), typeid( OUStringLiteral( "foo" ) + "bar" ));
const char d1[] = "xyz";
CPPUNIT_ASSERT_EQUAL( OUString( "fooxyz" ), OUString( OUString( "foo" ) + d1 ));
CPPUNIT_ASSERT_EQUAL(( typeid( OUStringConcat< OUString, const char[ 4 ] > )), typeid( OUString( "foo" ) + d1 ));
}
void test::oustring::StringConcat::checkConcatAsciiL()
{
{
OUString s("foo");
CPPUNIT_ASSERT_EQUAL(OUString("foo"), s += "");
}
{
OUString s("foo");
CPPUNIT_ASSERT_EQUAL(OUString("foobar"), s += "bar");
}
}
void test::oustring::StringConcat::checkEnsureCapacity()
{
rtl_uString* str = nullptr;
rtl_uString_newFromLiteral( &str, "test", strlen( "test" ), 0 );
CPPUNIT_ASSERT_EQUAL( sal_Int32( 4 ), str->length );
CPPUNIT_ASSERT_EQUAL( 1, int( str->refCount ));
rtl_uString* oldStr = str;
rtl_uString_ensureCapacity( &str, 4 ); // should be no-op
CPPUNIT_ASSERT_EQUAL( sal_Int32( 4 ), str->length );
CPPUNIT_ASSERT_EQUAL( 1, int( str->refCount ));
CPPUNIT_ASSERT_EQUAL( str, oldStr );
rtl_uString_acquire( oldStr );
CPPUNIT_ASSERT_EQUAL( 2, int( str->refCount ));
rtl_uString_ensureCapacity( &str, 4 );
CPPUNIT_ASSERT_EQUAL( sal_Int32( 4 ), str->length );
CPPUNIT_ASSERT_EQUAL( 1, int( str->refCount ));
// a copy was forced because of refcount
CPPUNIT_ASSERT( oldStr != str );
CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int32>(0), rtl_ustr_compare( oldStr->buffer, str->buffer ) );
CPPUNIT_ASSERT_EQUAL( 1, int( oldStr->refCount ));
rtl_uString_release( str );
str = oldStr;
rtl_uString_acquire( oldStr );
rtl_uString_ensureCapacity( &str, 1024 );
CPPUNIT_ASSERT_EQUAL( sal_Int32( 4 ), str->length ); // size is still 4
CPPUNIT_ASSERT_EQUAL( 1, int( str->refCount ));
CPPUNIT_ASSERT( oldStr != str );
CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int32>(0), rtl_ustr_compare( oldStr->buffer, str->buffer ) );
CPPUNIT_ASSERT_EQUAL( 1, int( oldStr->refCount ));
// but there should be extra capacity
for( int i = 0;
i < 20;
++i )
str->buffer[ str->length + i ] = '0';
str->length += 20;
rtl_uString_release( str );
rtl_uString_release( oldStr );
}
void test::oustring::StringConcat::checkAppend()
{
OUString str( "foo" );
str += OUStringLiteral( "bar" ) + "baz";
CPPUNIT_ASSERT_EQUAL( OUString( "foobarbaz" ), str );
OUStringBuffer buf( "foo" );
buf.append( OUStringLiteral( "bar" ) + "baz" );
CPPUNIT_ASSERT_EQUAL( OUString( "foobarbaz" ), buf.makeStringAndClear());
}
#define INVALID_CONCAT( expression ) \
( \
rtl_string_unittest_invalid_concat = false, \
( void ) OUString( expression ), \
rtl_string_unittest_invalid_concat )
void test::oustring::StringConcat::checkInvalid()
{
CPPUNIT_ASSERT( !INVALID_CONCAT( OUString() + OUString()));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + OUStringBuffer( "b" )));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + OString( "b" )));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + OStringBuffer( "b" )));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + static_cast<const char*>("b") ));
char d[] = "b";
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + d ));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + static_cast<char*>(d) ));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + OStringLiteral( "b" )));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "a" ) + 1 ));
rtl_String* rs = nullptr;
rtl_uString* rus = nullptr;
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "b" ) + rs ));
CPPUNIT_ASSERT( INVALID_CONCAT( OUString( "b" ) + rus ));
#if 0
// Should fail to compile, to avoid use of OUStringConcat lvalues that
// contain dangling references to temporaries:
auto const conc = OUStringLiteral("foo") + "bar";
(void) OUString(conc);
#endif
}
}} // namespace
CPPUNIT_TEST_SUITE_REGISTRATION(test::oustring::StringConcat);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
