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TheRock/compiler/amd-llvm/clang-tools-extra/test/clang-tidy/checkers/bugprone/swapped-arguments.cpp
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

79 lines
3.4 KiB
C++

// RUN: %check_clang_tidy %s bugprone-swapped-arguments %t
void F(int, double);
int SomeFunction();
template <typename T, typename U>
void G(T a, U b) {
F(a, b); // no-warning
F(2.0, 4);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// CHECK-FIXES: F(4, 2.0);
}
void funShortFloat(short, float);
void funFloatFloat(float, float);
void funBoolShort(bool, short);
void funBoolFloat(bool, float);
void foo() {
F(1.0, 3);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// CHECK-FIXES: F(3, 1.0);
#define M(x, y) x##y()
double b = 1.0;
F(b, M(Some, Function));
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// CHECK-FIXES: F(M(Some, Function), b);
#define N F(b, SomeFunction())
N;
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// In macro, don't emit fixits.
// CHECK-FIXES: #define N F(b, SomeFunction())
G(b, 3);
G(3, 1.0);
G(0, 0);
F(1.0, 1.0); // no-warning
F(3, 1.0); // no-warning
F(true, false); // no-warning
F(0, 'c'); // no-warning
#define APPLY(f, x, y) f(x, y)
APPLY(F, 1.0, 3);
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// CHECK-FIXES: APPLY(F, 3, 1.0);
#define PARAMS 1.0, 3
#define CALL(P) F(P)
CALL(PARAMS);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'int' followed by argument converted from 'int' to 'double', potentially swapped arguments.
// In macro, don't emit fixits.
funShortFloat(5.0, 1U);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'short' followed by argument converted from 'unsigned int' to 'float', potentially swapped arguments.
// CHECK-FIXES: funShortFloat(1U, 5.0);
funShortFloat(5.0, 1);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'short' followed by argument converted from 'int' to 'float', potentially swapped arguments.
// CHECK-FIXES: funShortFloat(1, 5.0);
funShortFloat(5.0f, 1);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'float' to 'short' followed by argument converted from 'int' to 'float', potentially swapped arguments.
// CHECK-FIXES: funShortFloat(1, 5.0f);
funFloatFloat(1.0f, 2.0);
funBoolShort(1U, true);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'unsigned int' to 'bool' followed by argument converted from 'bool' to 'short', potentially swapped arguments.
// CHECK-FIXES: funBoolShort(true, 1U);
funBoolFloat(1.0, true);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: argument with implicit conversion from 'double' to 'bool' followed by argument converted from 'bool' to 'float', potentially swapped arguments.
// CHECK-FIXES: funBoolFloat(true, 1.0);
}