summaryrefslogtreecommitdiff
path: root/compilerplugins/clang/test/unnecessarygetstr.cxx
blob: 12905ec5d2335c646e554281c30d141cc5e8b1e8 (plain)
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
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
 * 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/.
 */

#include <sal/config.h>

#include <ostream>
#include <string_view>

#include <rtl/strbuf.hxx>
#include <rtl/string.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>

namespace test1
{
void f1(bool, const OString& s);
struct Foo
{
    void f1(bool, const OString& s);
};
void test1(Foo& foo)
{
    OString s;
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to OString arg [loplugin:unnecessarygetstr]}}
    f1(true, s.getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to OString arg [loplugin:unnecessarygetstr]}}
    foo.f1(true, s.getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to OString arg [loplugin:unnecessarygetstr]}}
    foo.f1(true, OString::boolean(true).getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to OString arg [loplugin:unnecessarygetstr]}}
    foo.f1(true, OString::number(12).getStr());

    // avoid false +
    OString aVal = "xx";
    OUString aCompText
        = "xx" + OUString(aVal.getStr(), aVal.getLength(), RTL_TEXTENCODING_ASCII_US);
    (void)aCompText;
}
}

namespace test2
{
// call to param that takes string_view
void f2(bool, std::string_view);
struct Foo2
{
    void f2(bool, std::string_view);
};
void test2(Foo2& foo)
{
    OString s;
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    f2(true, s.getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    foo.f2(true, s.getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    foo.f2(true, OString::boolean(true).getStr());
    // expected-error@+1 {{unnecessary call to 'getStr' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    foo.f2(true, OString::number(12).getStr());
}
}

namespace test3
{
// call to param that takes string_view
void f2(bool, std::string_view);
struct Foo2
{
    void f2(bool, std::string_view);
};
void test3(Foo2& foo)
{
    std::string s;
    // expected-error@+1 {{unnecessary call to 'c_str' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    f2(true, s.c_str());
    // expected-error@+1 {{unnecessary call to 'c_str' when passing to string_view arg [loplugin:unnecessarygetstr]}}
    foo.f2(true, s.c_str());
}
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */