46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// RUN: %check_clang_tidy %s readability-implicit-bool-cast %t -- -- -std=c++98
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// We need NULL macro, but some buildbots don't like including <cstddef> header
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// This is a portable way of getting it to work
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#undef NULL
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#define NULL 0L
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template<typename T>
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void functionTaking(T);
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struct Struct {
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int member;
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};
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void useOldNullMacroInReplacements() {
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int* pointer = NULL;
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functionTaking<bool>(pointer);
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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>(pointer != 0);
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int Struct::* memberPointer = NULL;
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functionTaking<bool>(!memberPointer);
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// CHECK-MESSAGES: :[[@LINE-1]]:25: warning: implicit cast 'int struct Struct::*' -> bool
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// CHECK-FIXES: functionTaking<bool>(memberPointer == 0);
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}
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void fixFalseLiteralConvertingToNullPointer() {
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functionTaking<int*>(false);
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// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: implicit cast bool -> 'int *'
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// CHECK-FIXES: functionTaking<int*>(0);
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int* pointer = NULL;
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if (pointer == false) {}
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// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: implicit cast bool -> 'int *'
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// CHECK-FIXES: if (pointer == 0) {}
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functionTaking<int Struct::*>(false);
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// CHECK-MESSAGES: :[[@LINE-1]]:33: warning: implicit cast bool -> 'int struct Struct::*'
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// CHECK-FIXES: functionTaking<int Struct::*>(0);
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int Struct::* memberPointer = NULL;
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if (memberPointer != false) {}
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// CHECK-MESSAGES: :[[@LINE-1]]:24: warning: implicit cast bool -> 'int struct Struct::*'
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// CHECK-FIXES: if (memberPointer != 0) {}
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}
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