1 // RUN: %check_clang_tidy -check-suffix=DEFAULT %s \
2 // RUN: cppcoreguidelines-narrowing-conversions %t -- \
3 // RUN: -config='{CheckOptions: [{key: cppcoreguidelines-narrowing-conversions.WarnOnIntegerNarrowingConversion, value: true}]}'
4 
5 // RUN: %check_clang_tidy -check-suffix=DISABLED %s \
6 // RUN: cppcoreguidelines-narrowing-conversions %t -- \
7 // RUN: -config='{CheckOptions: [{key: cppcoreguidelines-narrowing-conversions.WarnOnIntegerNarrowingConversion, value: false}]}'
8 
9 void foo(unsigned long long value) {
10   int a = value;
11   // CHECK-MESSAGES-DEFAULT: :[[@LINE-1]]:11: warning: narrowing conversion from 'unsigned long long' to signed type 'int' is implementation-defined [cppcoreguidelines-narrowing-conversions]
12   // DISABLED: No warning for integer narrowing conversions when WarnOnIntegerNarrowingConversion = false.
13   long long b = value;
14   // CHECK-MESSAGES-DEFAULT: :[[@LINE-1]]:17: warning: narrowing conversion from 'unsigned long long' to signed type 'long long' is implementation-defined [cppcoreguidelines-narrowing-conversions]
15   // DISABLED: No warning for integer narrowing conversions when WarnOnIntegerNarrowingConversion = false.
16 }
17 
18 void casting_float_to_bool_is_still_operational_when_integer_narrowing_is_disabled(float f) {
19   if (f) {
20     // CHECK-MESSAGES-DEFAULT: :[[@LINE-1]]:7: warning: narrowing conversion from 'float' to 'bool' [cppcoreguidelines-narrowing-conversions]
21     // CHECK-MESSAGES-DISABLED: :[[@LINE-2]]:7: warning: narrowing conversion from 'float' to 'bool' [cppcoreguidelines-narrowing-conversions]
22   }
23 }
24