24 lines · cpp
1// RUN: %check_clang_tidy -check-suffix=DEFAULT %s \2// RUN: bugprone-narrowing-conversions %t -- \3// RUN: -config='{CheckOptions: {bugprone-narrowing-conversions.WarnOnIntegerNarrowingConversion: true}}'4 5// RUN: %check_clang_tidy -check-suffix=DISABLED %s \6// RUN: bugprone-narrowing-conversions %t -- \7// RUN: -config='{CheckOptions: {bugprone-narrowing-conversions.WarnOnIntegerNarrowingConversion: false}}'8 9void 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 [bugprone-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 [bugprone-narrowing-conversions]15 // DISABLED: No warning for integer narrowing conversions when WarnOnIntegerNarrowingConversion = false.16}17 18void 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' [bugprone-narrowing-conversions]21 // CHECK-MESSAGES-DISABLED: :[[@LINE-2]]:7: warning: narrowing conversion from 'float' to 'bool' [bugprone-narrowing-conversions]22 }23}24