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// RUN: %check_clang_tidy %s misc-misplaced-widening-cast %t -- -config="{CheckOptions: [{key: misc-misplaced-widening-cast.CheckImplicitCasts, value: 0}]}" --
void func(long arg) {}
void assign(int a, int b) {
long l;
l = a * b;
l = (long)(a * b);
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: either cast from 'int' to 'long' is ineffective, or there is loss of precision before the conversion [misc-misplaced-widening-cast]
l = (long)a * b;
l = a << 8;
l = (long)(a << 8);
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: either cast from 'int' to 'long'
l = (long)b << 8;
l = static_cast<long>(a * b);
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: either cast from 'int' to 'long'
}
void compare(int a, int b, long c) {
bool l;
l = a * b == c;
l = c == a * b;
l = (long)(a * b) == c;
// CHECK-MESSAGES: :[[@LINE-1]]:7: warning: either cast from 'int' to 'long'
l = c == (long)(a * b);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: either cast from 'int' to 'long'
l = (long)a * b == c;
l = c == (long)a * b;
}
void init(unsigned int n) {
long l1 = n << 8;
long l2 = (long)(n << 8);
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: either cast from 'unsigned int' to 'long'
long l3 = (long)n << 8;
}
void call(unsigned int n) {
func(n << 8);
func((long)(n << 8));
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: either cast from 'unsigned int' to 'long'
func((long)n << 8);
}
long ret(int a) {
if (a < 0) {
return a * 1000;
} else if (a > 0) {
return (long)(a * 1000);
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: either cast from 'int' to 'long'
} else {
return (long)a * 1000;
}
}
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