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