56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
// RUN: %check_clang_tidy %s readability-implicit-bool-cast %t \
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// RUN: -config='{CheckOptions: \
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// RUN: [{key: readability-implicit-bool-cast.AllowConditionalIntegerCasts, value: 1}, \
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// RUN: {key: readability-implicit-bool-cast.AllowConditionalPointerCasts, value: 1}]}' \
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// RUN: -- -std=c++11
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template<typename T>
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void functionTaking(T);
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int functionReturningInt();
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int* functionReturningPointer();
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struct Struct {
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int member;
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};
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void regularImplicitCastIntegerToBoolIsNotIgnored() {
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int integer = 0;
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functionTaking<bool>(integer);
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// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: implicit cast 'int' -> bool [readability-implicit-bool-cast]
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// CHECK-FIXES: functionTaking<bool>(integer != 0);
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}
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void implicitCastIntegerToBoolInConditionalsIsAllowed() {
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if (functionReturningInt()) {}
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if (!functionReturningInt()) {}
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int value1 = functionReturningInt() ? 1 : 2;
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int value2 = ! functionReturningInt() ? 1 : 2;
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}
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void regularImplicitCastPointerToBoolIsNotIgnored() {
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int* pointer = nullptr;
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functionTaking<bool>(pointer);
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// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: implicit cast 'int *' -> bool
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// CHECK-FIXES: functionTaking<bool>(pointer != nullptr);
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int Struct::* memberPointer = &Struct::member;
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functionTaking<bool>(memberPointer);
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// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: implicit cast 'int struct Struct::*' -> bool
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// CHECK-FIXES: functionTaking<bool>(memberPointer != nullptr);
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}
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void implicitCastPointerToBoolInConditionalsIsAllowed() {
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if (functionReturningPointer()) {}
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if (not functionReturningPointer()) {}
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int value1 = functionReturningPointer() ? 1 : 2;
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int value2 = (not functionReturningPointer()) ? 1 : 2;
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int Struct::* memberPointer = &Struct::member;
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if (memberPointer) {}
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if (memberPointer) {}
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int value3 = memberPointer ? 1 : 2;
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int value4 = (not memberPointer) ? 1 : 2;
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}
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