call.cpp
1.98 KB
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
// RUN: %clang_analyze_cc1 -std=c++1z -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s
// expected-no-diagnostics
bool a();
bool b();
// Calls method a with some extra code to pass the minimum complexity
bool foo1(int x) {
if (x > 0)
return false;
else if (x < 0)
return a();
return true;
}
// Calls method b with some extra code to pass the minimum complexity
bool foo2(int x) {
if (x > 0)
return false;
else if (x < 0)
return b();
return true;
}
// Test that we don't crash on function pointer calls
bool (*funcPtr)(int);
bool fooPtr1(int x) {
if (x > 0)
return false;
else if (x < 0)
return funcPtr(1);
return true;
}
// Test that we respect the template arguments of function templates
template<typename T, unsigned N>
bool templateFunc() { unsigned i = N; return false; }
bool fooTemplate1(int x) {
if (x > 0)
return false;
else if (x < 0)
return templateFunc<int, 1>();
return true;
}
bool fooTemplate2(int x) {
if (x > 0)
return false;
else if (x < 0)
return templateFunc<long, 1>();
return true;
}
bool fooTemplate3(int x) {
if (x > 0)
return false;
else if (x < 0)
return templateFunc<long, 2>();
return true;
}
// Test that we don't just concatenate the template arguments into a string
// without having any padding between them (e.g. foo<X, XX>() != foo<XX, X>()).
class X {};
class XX {};
template<typename T1, typename T2>
bool templatePaddingFunc() { return false; }
bool fooTemplatePadding1(int x) {
if (x > 0)
return false;
else if (x < 0)
return templatePaddingFunc<X, XX>();
return true;
}
bool fooTemplatePadding2(int x) {
if (x > 0)
return false;
else if (x < 0)
return templatePaddingFunc<XX, X>();
return true;
}
// Test that we don't crash on member functions of template instantiations.
template<typename T>
struct A {
void foo(T t) {}
};
void fooTestInstantiation() {
A<int> a;
a.foo(1);
}