llvm-project/clang-tools-extra/test/clang-tidy/checkers/readability-function-cognit...

1018 lines
40 KiB
C++

// RUN: %check_clang_tidy %s readability-function-cognitive-complexity %t -- -config='{CheckOptions: [{key: readability-function-cognitive-complexity.Threshold, value: 0}]}' -- -std=c++11 -fblocks -fexceptions -w
// any function should be checked.
extern int ext_func(int x = 0);
int some_func(int x = 0);
static int some_other_func(int x = 0) {}
template<typename T> void some_templ_func(T x = 0) {}
class SomeClass {
public:
int *begin(int x = 0);
int *end(int x = 0);
static int func(int x = 0);
template<typename T> void some_templ_func(T x = 0) {}
SomeClass() = default;
SomeClass(SomeClass&) = delete;
};
// nothing ever decreases cognitive complexity, so we can check all the things
// in one go. none of the following should increase cognitive complexity:
void unittest_false() {
{};
ext_func();
some_func();
some_other_func();
some_templ_func<int>();
some_templ_func<bool>();
SomeClass::func();
SomeClass C;
C.some_templ_func<int>();
C.some_templ_func<bool>();
C.func();
C.end();
int i = some_func();
i = i;
i++;
--i;
i < 0;
int j = 0 ?: 1;
auto k = new int;
delete k;
throw i;
{
throw i;
}
end:
return;
}
#if 1
#define CC100
#else
// this macro has cognitive complexity of 100.
// it is needed to be able to compare the testcases with the
// reference Sonar implementation. please place it right after the first
// CHECK-NOTES in each function
#define CC100 if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){if(1){}}}}}if(1){}}}}}}}}}
#endif
//----------------------------------------------------------------------------//
//------------------------------ B1. Increments ------------------------------//
//----------------------------------------------------------------------------//
// Check that every thing listed in B1 of the specification does indeed //
// recieve the base increment, and that not-body does not increase nesting //
//----------------------------------------------------------------------------//
// break does not increase cognitive complexity.
// only break LABEL does, but it is unavaliable in C or C++
// continue does not increase cognitive complexity.
// only continue LABEL does, but it is unavaliable in C or C++
void unittest_b1_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_00' has cognitive complexity of 33 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:9: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:11: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
} else if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:12: note: +1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:18: note: +3, including nesting penalty of 2, nesting level increased to 3{{$}}
} else {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, nesting level increased to 2{{$}}
}
} else if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:10: note: +1, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:16: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:11: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
} else if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:12: note: +1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:18: note: +3, including nesting penalty of 2, nesting level increased to 3{{$}}
} else {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, nesting level increased to 2{{$}}
}
} else {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, nesting level increased to 1{{$}}
if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:11: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
} else if (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:12: note: +1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:18: note: +3, including nesting penalty of 2, nesting level increased to 3{{$}}
} else {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, nesting level increased to 2{{$}}
}
}
}
void unittest_b1_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_01' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
int i = (1 ? 1 : 0) ? 1 : 0;
// CHECK-NOTES: :[[@LINE-1]]:23: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:14: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
void unittest_b1_02(int x) {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_02' has cognitive complexity of 9 (threshold 0) [readability-function-cognitive-complexity]
CC100;
switch (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:13: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
case -1:
return;
case 1 ? 1 : 0:
// CHECK-NOTES: :[[@LINE-1]]:10: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
return;
case (1 ? 2 : 0) ... (1 ? 3 : 0):
// CHECK-NOTES: :[[@LINE-1]]:11: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-2]]:27: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
return;
default:
break;
}
}
void unittest_b1_03(int x) {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_03' has cognitive complexity of 7 (threshold 0) [readability-function-cognitive-complexity]
CC100;
for (x = 1 ? 1 : 0; x < (1 ? 1 : 0); x += 1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:14: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-3]]:30: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-4]]:47: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
break;
continue;
}
}
void unittest_b1_04() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_04' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
SomeClass C;
for (int i : (1 ? C : C)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:19: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
break;
continue;
}
}
void unittest_b1_05() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_05' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
while (1 ? 1 : 0) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:12: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
break;
continue;
}
}
void unittest_b1_06() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_06' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
do {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
break;
continue;
} while (1 ? 1 : 0);
// CHECK-NOTES: :[[@LINE-1]]:14: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
void unittest_b1_07() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_07' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void unittest_b1_08_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_08_00' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
goto end;
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1{{$}}
end:
return;
}
void unittest_b1_08_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_08_01' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
void *ptr = &&end;
goto *ptr;
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1{{$}}
end:
return;
}
void unittest_b1_09_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_09_00' has cognitive complexity of 34 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if(1 && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
}
if(1 && 1 && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:13: note: +1{{$}}
}
if((1 && 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:15: note: +1{{$}}
}
if(1 && (1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
}
if(1 && 1 || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:13: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:8: note: +1{{$}}
}
if((1 && 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:15: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:9: note: +1{{$}}
}
if(1 && (1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:14: note: +1{{$}}
}
if(1 || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
}
if(1 || 1 || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:13: note: +1{{$}}
}
if((1 || 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:15: note: +1{{$}}
}
if(1 || (1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
}
if(1 || 1 && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:13: note: +1{{$}}
}
if((1 || 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:15: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:9: note: +1{{$}}
}
if(1 || (1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:14: note: +1{{$}}
}
}
void unittest_b1_09_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_09_01' has cognitive complexity of 40 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if(1 && some_func(1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 && some_func(1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 || some_func(1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 || some_func(1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 && some_func(1 && 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 && some_func(1 || 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 || some_func(1 || 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-4]]:23: note: +1{{$}}
}
if(1 || some_func(1 && 1) && 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-4]]:23: note: +1{{$}}
}
if(1 && some_func(1 && 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-4]]:23: note: +1{{$}}
}
if(1 && some_func(1 || 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-4]]:23: note: +1{{$}}
}
if(1 || some_func(1 || 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
if(1 || some_func(1 && 1) || 1) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:29: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:23: note: +1{{$}}
}
}
void unittest_b1_09_02() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b1_09_02' has cognitive complexity of 12 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if(1 && SomeClass::func(1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
}
if(1 && SomeClass::func(1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
}
if(1 || SomeClass::func(1 || 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
}
if(1 || SomeClass::func(1 && 1)) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:8: note: +1{{$}}
// CHECK-NOTES: :[[@LINE-3]]:29: note: +1{{$}}
}
}
// FIXME: each method in a recursion cycle
//----------------------------------------------------------------------------//
//---------------------------- B2. Nesting lebel -----------------------------//
//----------------------------------------------------------------------------//
// Check that every thing listed in B2 of the specification does indeed //
// increase the nesting level //
//----------------------------------------------------------------------------//
void unittest_b2_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_00' has cognitive complexity of 9 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
} else if (true) {
// CHECK-NOTES: :[[@LINE-1]]:10: note: +1, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
} else {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b2_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_01' has cognitive complexity of 5 (threshold 0) [readability-function-cognitive-complexity]
CC100;
int i = 1 ? (1 ? 1 : 0) : (1 ? 1 : 0);
// CHECK-NOTES: :[[@LINE-1]]:13: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-2]]:18: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
// CHECK-NOTES: :[[@LINE-3]]:32: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
void unittest_b2_02(int x) {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_02' has cognitive complexity of 5 (threshold 0) [readability-function-cognitive-complexity]
CC100;
switch (x) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
case -1:
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
return;
default:
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
return;
}
}
void unittest_b2_03() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_03' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
for (;;) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b2_04() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_04' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
SomeClass C;
for (int i : C) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b2_05() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_05' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
while (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b2_06() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_06' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
do {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
} while (true);
}
void unittest_b2_07() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_07' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if(true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b2_08_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_08_00' has cognitive complexity of 10 (threshold 0) [readability-function-cognitive-complexity]
CC100;
class X {
X() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
X &operator=(const X &other) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
~X() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
void Y() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
static void Z() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
// CHECK-NOTES: :[[@LINE-45]]:5: warning: function 'X' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-42]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-39]]:8: warning: function 'operator=' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-36]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-33]]:5: warning: function '~X' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-30]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-27]]:10: warning: function 'Y' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-24]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-21]]:17: warning: function 'Z' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-18]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
};
}
void unittest_b2_08_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_08_01' has cognitive complexity of 10 (threshold 0) [readability-function-cognitive-complexity]
CC100;
struct X {
X() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
X &operator=(const X &other) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
~X() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
void Y() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
static void Z() {
// CHECK-NOTES: :[[@LINE-1]]:5: note: nesting level increased to 1{{$}}
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
// CHECK-NOTES: :[[@LINE-45]]:5: warning: function 'X' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-42]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-39]]:8: warning: function 'operator=' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-36]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-33]]:5: warning: function '~X' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-30]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-27]]:10: warning: function 'Y' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-24]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
// CHECK-NOTES: :[[@LINE-21]]:17: warning: function 'Z' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-18]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
};
}
void unittest_b2_08_02() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_08_02' has cognitive complexity of 2 (threshold 0) [readability-function-cognitive-complexity]
CC100;
auto fun = []() {
// CHECK-NOTES: :[[@LINE-1]]:14: note: nesting level increased to 1{{$}}
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
};
// CHECK-NOTES: :[[@LINE-6]]:14: warning: lambda has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-5]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
void unittest_b2_09() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_09' has cognitive complexity of 2 (threshold 0) [readability-function-cognitive-complexity]
CC100;
({
// CHECK-NOTES: :[[@LINE-1]]:3: note: nesting level increased to 1{{$}}
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
});
}
void unittest_b2_10() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b2_10' has cognitive complexity of 2 (threshold 0) [readability-function-cognitive-complexity]
CC100;
void (^foo)(void) = ^(void) {
// CHECK-NOTES: :[[@LINE-1]]:23: note: nesting level increased to 1{{$}}
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
};
}
//----------------------------------------------------------------------------//
//-------------------------- B3. Nesting increments --------------------------//
//----------------------------------------------------------------------------//
// Check that every thing listed in B3 of the specification does indeed //
// recieve the penalty of the current nesting level //
//----------------------------------------------------------------------------//
void unittest_b3_00() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_00' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b3_01() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_01' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
int i = 1 ? 1 : 0;
// CHECK-NOTES: :[[@LINE-1]]:15: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
void unittest_b3_02(int x) {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_02' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
switch (x) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
case -1:
return;
default:
return;
}
}
}
void unittest_b3_03() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_03' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
for (;;) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b3_04() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_04' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
SomeClass C;
for (int i : C) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b3_05() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_05' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
while (true) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
void unittest_b3_06() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_06' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
do {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
} while (true);
}
}
void unittest_b3_07() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'unittest_b3_07' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
CC100;
if (true) {
// CHECK-NOTES: :[[@LINE-1]]:3: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +2, including nesting penalty of 1, nesting level increased to 2{{$}}
}
}
}
//----------------------------------------------------------------------------//
// Check that functions are being checked //
//----------------------------------------------------------------------------//
class CheckClass {
CheckClass(int x) {
// CHECK-NOTES: :[[@LINE-1]]:3: warning: function 'CheckClass' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void PrivateMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'PrivateMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void PrivateConstMemberFunction() const {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'PrivateConstMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
static void PrivateStaticMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:15: warning: function 'PrivateStaticMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
public:
CheckClass() {
// CHECK-NOTES: :[[@LINE-1]]:3: warning: function 'CheckClass' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
operator bool() const {
// CHECK-NOTES: :[[@LINE-1]]:3: warning: function 'operator bool' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
~CheckClass() {
// CHECK-NOTES: :[[@LINE-1]]:3: warning: function '~CheckClass' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void PublicMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'PublicMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void PublicConstMemberFunction() const {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'PublicConstMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
static void PublicStaticMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:15: warning: function 'PublicStaticMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void PublicFunctionDefinition();
protected:
CheckClass(bool b) {
// CHECK-NOTES: :[[@LINE-1]]:3: warning: function 'CheckClass' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void ProtectedMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'ProtectedMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
void ProtectedConstMemberFunction() const {
// CHECK-NOTES: :[[@LINE-1]]:8: warning: function 'ProtectedConstMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
static void ProtectedStaticMemberFunction() {
// CHECK-NOTES: :[[@LINE-1]]:15: warning: function 'ProtectedStaticMemberFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:7: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
};
void CheckClass::PublicFunctionDefinition() {
// CHECK-NOTES: :[[@LINE-1]]:18: warning: function 'PublicFunctionDefinition' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
#define uglyfunctionmacro(name) \
void name() { \
CC100; \
\
if (true) { \
try { \
} catch (...) { \
} \
} \
}
uglyfunctionmacro(MacroFunction)
// CHECK-NOTES: :[[@LINE-1]]:19: warning: function 'MacroFunction' has cognitive complexity of 3 (threshold 0) [readability-function-cognitive-complexity]
// CHECK-NOTES: :[[@LINE-2]]:1: note: +1, including nesting penalty of 0, nesting level increased to 1
// CHECK-NOTES: :[[@LINE-10]]:5: note: expanded from macro 'uglyfunctionmacro'
// CHECK-NOTES: :[[@LINE-4]]:1: note: +2, including nesting penalty of 1, nesting level increased to 2
// CHECK-NOTES: :[[@LINE-10]]:9: note: expanded from macro 'uglyfunctionmacro'
template<typename T>
void templatedFunction() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'templatedFunction' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
template<>
void templatedFunction<bool>() {
// CHECK-NOTES: :[[@LINE-1]]:6: warning: function 'templatedFunction<bool>' has cognitive complexity of 1 (threshold 0) [readability-function-cognitive-complexity]
CC100;
try {
} catch (...) {
// CHECK-NOTES: :[[@LINE-1]]:5: note: +1, including nesting penalty of 0, nesting level increased to 1{{$}}
}
}
template void templatedFunction<int>();
void functionThatCallsTemplatedFunctions() {
templatedFunction<int>();
templatedFunction<bool>();
templatedFunction<char>();
templatedFunction<void*>();
}
static void pr47779_dont_crash_on_weak() __attribute__((__weakref__("__pr47779_dont_crash_on_weak")));