llvm-project/clang-tools-extra/test/clang-tidy/misc-unused-parameters.cpp

91 lines
2.5 KiB
C++

// RUN: $(dirname %s)/check_clang_tidy.sh %s misc-unused-parameters %t
// REQUIRES: shell
// Basic removal
// =============
void a(int i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: parameter 'i' is unused [misc-unused-parameters]
// CHECK-FIXES: {{^}}void a(int /*i*/) {}{{$}}
void b(int i = 1) {}
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: parameter 'i' is unused [misc-unused-parameters]
// CHECK-FIXES: {{^}}void b(int /*i*/) {}{{$}}
void c(int *i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: parameter 'i' is unused [misc-unused-parameters]
// CHECK-FIXES: {{^}}void c(int * /*i*/) {}{{$}}
// Unchanged cases
// ===============
void g(int i); // Don't remove stuff in declarations
void h(int i) { (void)i; } // Don't remove used parameters
// Remove parameters of local functions
// ====================================
static void staticFunctionA(int i);
// CHECK-FIXES: {{^}}static void staticFunctionA();
static void staticFunctionA(int i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:33: warning
// CHECK-FIXES: {{^}}static void staticFunctionA()
static void staticFunctionB(int i, int j) { (void)i; }
// CHECK-MESSAGES: :[[@LINE-1]]:40: warning
// CHECK-FIXES: {{^}}static void staticFunctionB(int i)
static void staticFunctionC(int i, int j) { (void)j; }
// CHECK-MESSAGES: :[[@LINE-1]]:33: warning
// CHECK-FIXES: {{^}}static void staticFunctionC( int j)
static void staticFunctionD(int i, int j, int k) { (void)i; (void)k; }
// CHECK-MESSAGES: :[[@LINE-1]]:40: warning
// CHECK-FIXES: {{^}}static void staticFunctionD(int i, int k)
static void staticFunctionE(int i = 4) {}
// CHECK-MESSAGES: :[[@LINE-1]]:33: warning
// CHECK-FIXES: {{^}}static void staticFunctionE()
static void someCallSites() {
staticFunctionA(1);
// CHECK-FIXES: staticFunctionA();
staticFunctionB(1, 2);
// CHECK-FIXES: staticFunctionB(1);
staticFunctionC(1, 2);
// CHECK-FIXES: staticFunctionC( 2);
staticFunctionD(1, 2, 3);
// CHECK-FIXES: staticFunctionD(1, 3);
staticFunctionE();
}
namespace {
class C {
public:
void f(int i);
// CHECK-FIXES: void f();
void g(int i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:14: warning
// CHECK-FIXES: void g() {}
void h(int i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:14: warning
// CHECK-FIXES: void h(int /*i*/) {}
};
void C::f(int i) {}
// CHECK-MESSAGES: :[[@LINE-1]]:15: warning
// CHECK-FIXES: void C::f() {}
template <typename T>
void useFunction(T t);
void someMoreCallSites() {
C c;
c.f(1);
// CHECK-FIXES: c.f();
c.g(1);
// CHECK-FIXES: c.g();
useFunction(&C::h);
}
} // end namespace