31
|
1 |
/*
|
|
2 |
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description:
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
#include <algorithm>
|
|
18 |
#if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS)
|
|
19 |
# include <sstream>
|
|
20 |
# include <functional>
|
|
21 |
# include <iterator>
|
|
22 |
# include <vector>
|
|
23 |
# include <string>
|
|
24 |
#endif
|
|
25 |
|
|
26 |
#include "cppunit/cppunit_proxy.h"
|
|
27 |
|
|
28 |
#if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
|
|
29 |
using namespace std;
|
|
30 |
#endif
|
|
31 |
|
|
32 |
//
|
|
33 |
// TestCase class
|
|
34 |
//
|
|
35 |
class IStreamIteratorTest : public CPPUNIT_NS::TestCase
|
|
36 |
{
|
|
37 |
CPPUNIT_TEST_SUITE(IStreamIteratorTest);
|
|
38 |
#if defined (STLPORT) && defined (_STLP_USE_NO_IOSTREAMS)
|
|
39 |
CPPUNIT_IGNORE;
|
|
40 |
#endif
|
|
41 |
CPPUNIT_TEST(istmit1);
|
|
42 |
#if !defined (STLPORT) || defined (_STLP_NO_EXTENSIONS)
|
|
43 |
CPPUNIT_IGNORE;
|
|
44 |
#endif
|
|
45 |
CPPUNIT_TEST(copy_n_test);
|
|
46 |
CPPUNIT_TEST_SUITE_END();
|
|
47 |
|
|
48 |
protected:
|
|
49 |
void istmit1();
|
|
50 |
void copy_n_test();
|
|
51 |
};
|
|
52 |
|
|
53 |
CPPUNIT_TEST_SUITE_REGISTRATION(IStreamIteratorTest);
|
|
54 |
|
|
55 |
#if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS)
|
|
56 |
# if !defined (STLPORT) || !defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
|
|
57 |
typedef istream_iterator<char> istream_char_ite;
|
|
58 |
typedef istream_iterator<int> istream_int_ite;
|
|
59 |
typedef istream_iterator<string> istream_string_ite;
|
|
60 |
# else
|
|
61 |
typedef istream_iterator<char, ptrdiff_t> istream_char_ite;
|
|
62 |
typedef istream_iterator<int, ptrdiff_t> istream_int_ite;
|
|
63 |
typedef istream_iterator<string, ptrdiff_t> istream_string_ite;
|
|
64 |
# endif
|
|
65 |
#endif
|
|
66 |
|
|
67 |
//
|
|
68 |
// tests implementation
|
|
69 |
//
|
|
70 |
void IStreamIteratorTest::istmit1()
|
|
71 |
{
|
|
72 |
#if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS)
|
|
73 |
const char* buff = "MyString";
|
|
74 |
istringstream istr(buff);
|
|
75 |
|
|
76 |
char buffer[100];
|
|
77 |
size_t i = 0;
|
|
78 |
istr.unsetf(ios::skipws); // Disable white-space skipping.
|
|
79 |
istream_char_ite s(istr), meos;
|
|
80 |
while (!(s == meos) &&
|
|
81 |
//*TY 01/10/1999 - added end of stream check
|
|
82 |
// NOTE operator!= should not be used here ifndef _STLP_FUNCTION_TMPL_PARTIAL_ORDER
|
|
83 |
(*s != '\n') &&
|
|
84 |
(i < sizeof(buffer) / sizeof(buffer[0]))) { //*TY 07/28/98 - added index check
|
|
85 |
buffer[i++] = *s++;
|
|
86 |
}
|
|
87 |
buffer[i] = '\0'; // Null terminate buffer.
|
|
88 |
|
|
89 |
CPPUNIT_ASSERT(!strcmp(buffer, buff));
|
|
90 |
|
|
91 |
{
|
|
92 |
istringstream empty_istr;
|
|
93 |
CPPUNIT_ASSERT( istream_char_ite(empty_istr) == istream_char_ite() );
|
|
94 |
}
|
|
95 |
#endif
|
|
96 |
}
|
|
97 |
|
|
98 |
void IStreamIteratorTest::copy_n_test()
|
|
99 |
{
|
|
100 |
#if defined (STLPORT) && !defined (_STLP_NO_EXTENSIONS) && !defined (_STLP_USE_NO_IOSTREAMS)
|
|
101 |
//This test check that no character is lost while reading the istream
|
|
102 |
//through a istream_iterator.
|
|
103 |
{
|
|
104 |
istringstream istr("aabbcd");
|
|
105 |
string chars;
|
|
106 |
istream_char_ite ite = copy_n(copy_n(istream_char_ite(istr),
|
|
107 |
2, back_inserter(chars)).first,
|
|
108 |
2, back_inserter(chars)).first;
|
|
109 |
CPPUNIT_ASSERT( chars == "aabb" );
|
|
110 |
copy_n(ite, 2, back_inserter(chars));
|
|
111 |
CPPUNIT_ASSERT( chars == "aabbcd" );
|
|
112 |
}
|
|
113 |
|
|
114 |
{
|
|
115 |
istringstream istr("11 22 AA BB 33 44 CC DD");
|
|
116 |
vector<int> ints;
|
|
117 |
vector<string> strings;
|
|
118 |
|
|
119 |
copy_n(istream_int_ite(istr), 2, back_inserter(ints));
|
|
120 |
CPPUNIT_ASSERT( ints.size() == 2 );
|
|
121 |
CPPUNIT_ASSERT( ints[0] == 11 );
|
|
122 |
CPPUNIT_ASSERT( ints[1] == 22 );
|
|
123 |
ints.clear();
|
|
124 |
istr.clear();
|
|
125 |
copy_n(istream_string_ite(istr), 2, back_inserter(strings));
|
|
126 |
CPPUNIT_ASSERT( strings.size() == 2 );
|
|
127 |
CPPUNIT_ASSERT( strings[0] == "AA" );
|
|
128 |
CPPUNIT_ASSERT( strings[1] == "BB" );
|
|
129 |
strings.clear();
|
|
130 |
istr.clear();
|
|
131 |
/* The following code cannot work, '33' is extracted as a string
|
|
132 |
* in the previous copy_n call, this value is returned in the pair
|
|
133 |
* returned by copy_n but is lost as this istream_iterator is not used.
|
|
134 |
* copy_n and istream_iterator can only be combined safely if:
|
|
135 |
* - you always extract the same type of istream_iterator and you always reuse
|
|
136 |
* the istream_iterator returned by copy_n (see previous test with "aabbcd")
|
|
137 |
* - you extract different type of object and no object is convertible to an other
|
|
138 |
* as in this current test when you extract int and string (when you extract ints
|
|
139 |
* again it fails as int can be converted to strings.
|
|
140 |
*
|
|
141 |
copy_n(istream_int_ite(istr), 2, back_inserter(ints));
|
|
142 |
CPPUNIT_ASSERT( ints.size() == 2 );
|
|
143 |
CPPUNIT_ASSERT( ints[0] == 33 );
|
|
144 |
CPPUNIT_ASSERT( ints[1] == 44 );
|
|
145 |
istr.clear();
|
|
146 |
copy_n(istream_string_ite(istr), 2, back_inserter(strings));
|
|
147 |
CPPUNIT_ASSERT( strings.size() == 2 );
|
|
148 |
CPPUNIT_ASSERT( strings[0] == "CC" );
|
|
149 |
CPPUNIT_ASSERT( strings[1] == "DD" );
|
|
150 |
*/
|
|
151 |
}
|
|
152 |
|
|
153 |
{
|
|
154 |
istringstream is("1 2 3 4 5 6 7 8 9 10");
|
|
155 |
vector<int> ints;
|
|
156 |
istream_iterator<int> itr(is);
|
|
157 |
itr = copy_n(itr, 0, back_inserter(ints)).first;
|
|
158 |
CPPUNIT_ASSERT( ints.empty() );
|
|
159 |
itr = copy_n(itr, -1, back_inserter(ints)).first;
|
|
160 |
CPPUNIT_ASSERT( ints.empty() );
|
|
161 |
itr = copy_n(itr, 2, back_inserter(ints)).first;
|
|
162 |
CPPUNIT_ASSERT( ints.size() == 2 );
|
|
163 |
CPPUNIT_ASSERT( ints[0] == 1 );
|
|
164 |
CPPUNIT_ASSERT( ints[1] == 2 );
|
|
165 |
itr = copy_n(itr, 2, back_inserter(ints)).first;
|
|
166 |
CPPUNIT_ASSERT( ints.size() == 4 );
|
|
167 |
CPPUNIT_ASSERT( ints[2] == 3 );
|
|
168 |
CPPUNIT_ASSERT( ints[3] == 4 );
|
|
169 |
itr = copy_n(itr, 2, back_inserter(ints)).first;
|
|
170 |
CPPUNIT_ASSERT( ints.size() == 6 );
|
|
171 |
CPPUNIT_ASSERT( ints[4] == 5 );
|
|
172 |
CPPUNIT_ASSERT( ints[5] == 6 );
|
|
173 |
}
|
|
174 |
#endif
|
|
175 |
}
|