diff options
Diffstat (limited to 'clang-tools-extra/test/clang-tidy/modernize-use-nullptr-basic.cpp')
-rw-r--r-- | clang-tools-extra/test/clang-tidy/modernize-use-nullptr-basic.cpp | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/clang-tools-extra/test/clang-tidy/modernize-use-nullptr-basic.cpp b/clang-tools-extra/test/clang-tidy/modernize-use-nullptr-basic.cpp deleted file mode 100644 index 5fd823b754e..00000000000 --- a/clang-tools-extra/test/clang-tidy/modernize-use-nullptr-basic.cpp +++ /dev/null @@ -1,362 +0,0 @@ -// RUN: %check_clang_tidy -std=c++98 %s modernize-use-nullptr %t -- -- -Wno-non-literal-null-conversion -// -// Some parts of the test (e.g. assignment of `const int` to `int *`) fail in -// C++11, so we need to run the test in C++98 mode. -// -// FIXME: Make the test work in all language modes. - -const unsigned int g_null = 0; -#define NULL 0 - -void test_assignment() { - int *p1 = 0; - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr [modernize-use-nullptr] - // CHECK-FIXES: int *p1 = nullptr; - p1 = 0; - // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use nullptr - // CHECK-FIXES: p1 = nullptr; - - int *p2 = NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr - // CHECK-FIXES: int *p2 = nullptr; - - p2 = p1; - // CHECK-FIXES: p2 = p1; - - const int null = 0; - int *p3 = null; - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr - // CHECK-FIXES: int *p3 = nullptr; - - p3 = NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use nullptr - // CHECK-FIXES: p3 = nullptr; - - int *p4 = p3; - // CHECK-FIXES: int *p4 = p3; - - p4 = null; - // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use nullptr - // CHECK-FIXES: p4 = nullptr; - - int i1 = 0; - - int i2 = NULL; - - int i3 = null; - - int *p5, *p6, *p7; - p5 = p6 = p7 = NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: use nullptr - // CHECK-FIXES: p5 = p6 = p7 = nullptr; -} - -struct Foo { - Foo(int *p = NULL) : m_p1(p) {} - // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: use nullptr - // CHECK-FIXES: Foo(int *p = nullptr) : m_p1(p) {} - - void bar(int *p = 0) {} - // CHECK-MESSAGES: :[[@LINE-1]]:21: warning: use nullptr - // CHECK-FIXES: void bar(int *p = nullptr) {} - - void baz(int i = 0) {} - - int *m_p1; - static int *m_p2; -}; - -int *Foo::m_p2 = NULL; -// CHECK-MESSAGES: :[[@LINE-1]]:18: warning: use nullptr -// CHECK-FIXES: int *Foo::m_p2 = nullptr; - -template <typename T> -struct Bar { - Bar(T *p) : m_p(p) { - m_p = static_cast<T*>(NULL); - // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: use nullptr - // CHECK-FIXES: m_p = static_cast<T*>(nullptr); - - m_p = static_cast<T*>(reinterpret_cast<int*>((void*)NULL)); - // CHECK-MESSAGES: :[[@LINE-1]]:27: warning: use nullptr - // CHECK-FIXES: m_p = static_cast<T*>(nullptr); - - m_p = static_cast<T*>(p ? p : static_cast<void*>(g_null)); - // CHECK-MESSAGES: :[[@LINE-1]]:54: warning: use nullptr - // CHECK-FIXES: m_p = static_cast<T*>(p ? p : static_cast<void*>(nullptr)); - - T *p2 = static_cast<T*>(reinterpret_cast<int*>((void*)NULL)); - // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: use nullptr - // CHECK-FIXES: T *p2 = static_cast<T*>(nullptr); - - m_p = NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: use nullptr - // CHECK-FIXES: m_p = nullptr; - - int i = static_cast<int>(0.f); - T *i2 = static_cast<int>(0.f); - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr - // CHECK-FIXES: T *i2 = nullptr; - } - - T *m_p; -}; - -struct Baz { - Baz() : i(0) {} - int i; -}; - -void test_cxx_cases() { - Foo f(g_null); - // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use nullptr - // CHECK-FIXES: Foo f(nullptr); - - f.bar(NULL); - // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use nullptr - // CHECK-FIXES: f.bar(nullptr); - - f.baz(g_null); - - f.m_p1 = 0; - // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: use nullptr - // CHECK-FIXES: f.m_p1 = nullptr; - - Bar<int> b(g_null); - // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: use nullptr - // CHECK-FIXES: Bar<int> b(nullptr); - - Baz b2; - int Baz::*memptr(0); - // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: use nullptr - // CHECK-FIXES: int Baz::*memptr(nullptr); - - memptr = 0; - // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: use nullptr - // CHECK-FIXES: memptr = nullptr; -} - -void test_function_default_param1(void *p = 0); -// CHECK-MESSAGES: :[[@LINE-1]]:45: warning: use nullptr -// CHECK-FIXES: void test_function_default_param1(void *p = nullptr); - -void test_function_default_param2(void *p = NULL); -// CHECK-MESSAGES: :[[@LINE-1]]:45: warning: use nullptr -// CHECK-FIXES: void test_function_default_param2(void *p = nullptr); - -void test_function_default_param3(void *p = g_null); -// CHECK-MESSAGES: :[[@LINE-1]]:45: warning: use nullptr -// CHECK-FIXES: void test_function_default_param3(void *p = nullptr); - -void test_function(int *p) {} - -void test_function_no_ptr_param(int i) {} - -void test_function_call() { - test_function(0); - // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr - // CHECK-FIXES: test_function(nullptr); - - test_function(NULL); - // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr - // CHECK-FIXES: test_function(nullptr); - - test_function(g_null); - // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr - // CHECK-FIXES: test_function(nullptr); - - test_function_no_ptr_param(0); -} - -char *test_function_return1() { - return 0; - // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr - // CHECK-FIXES: return nullptr; -} - -void *test_function_return2() { - return NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr - // CHECK-FIXES: return nullptr; -} - -long *test_function_return3() { - return g_null; - // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr - // CHECK-FIXES: return nullptr; -} - -int test_function_return4() { - return 0; -} - -int test_function_return5() { - return NULL; -} - -int test_function_return6() { - return g_null; -} - -int *test_function_return_cast1() { - return(int)0; - // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use nullptr - // CHECK-FIXES: return nullptr; -} - -int *test_function_return_cast2() { -#define RET return - RET(int)0; - // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: use nullptr - // CHECK-FIXES: RET nullptr; -#undef RET -} - -// Test parentheses expressions resulting in a nullptr. -int *test_parentheses_expression1() { - return(0); - // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr - // CHECK-FIXES: return(nullptr); -} - -int *test_parentheses_expression2() { - return(int(0.f)); - // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr - // CHECK-FIXES: return(nullptr); -} - -int *test_nested_parentheses_expression() { - return((((0)))); - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr - // CHECK-FIXES: return((((nullptr)))); -} - -void *test_parentheses_explicit_cast() { - return(static_cast<void*>(0)); - // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: use nullptr - // CHECK-FIXES: return(static_cast<void*>(nullptr)); -} - -void *test_parentheses_explicit_cast_sequence1() { - return(static_cast<void*>(static_cast<int*>((void*)NULL))); - // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: use nullptr - // CHECK-FIXES: return(static_cast<void*>(nullptr)); -} - -void *test_parentheses_explicit_cast_sequence2() { - return(static_cast<void*>(reinterpret_cast<int*>((float*)int(0.f)))); - // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: use nullptr - // CHECK-FIXES: return(static_cast<void*>(nullptr)); -} - -// Test explicit cast expressions resulting in nullptr. -struct Bam { - Bam(int *a) {} - Bam(float *a) {} - Bam operator=(int *a) { return Bam(a); } - Bam operator=(float *a) { return Bam(a); } -}; - -void ambiguous_function(int *a) {} -void ambiguous_function(float *a) {} -void const_ambiguous_function(const int *p) {} -void const_ambiguous_function(const float *p) {} - -void test_explicit_cast_ambiguous1() { - ambiguous_function((int*)0); - // CHECK-MESSAGES: :[[@LINE-1]]:28: warning: use nullptr - // CHECK-FIXES: ambiguous_function((int*)nullptr); -} - -void test_explicit_cast_ambiguous2() { - ambiguous_function((int*)(0)); - // CHECK-MESSAGES: :[[@LINE-1]]:28: warning: use nullptr - // CHECK-FIXES: ambiguous_function((int*)nullptr); -} - -void test_explicit_cast_ambiguous3() { - ambiguous_function(static_cast<int*>(reinterpret_cast<int*>((float*)0))); - // CHECK-MESSAGES: :[[@LINE-1]]:40: warning: use nullptr - // CHECK-FIXES: ambiguous_function(static_cast<int*>(nullptr)); -} - -Bam test_explicit_cast_ambiguous4() { - return(((int*)(0))); - // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr - // CHECK-FIXES: return(((int*)nullptr)); -} - -void test_explicit_cast_ambiguous5() { - // Test for ambiguous overloaded constructors. - Bam k((int*)(0)); - // CHECK-MESSAGES: :[[@LINE-1]]:15: warning: use nullptr - // CHECK-FIXES: Bam k((int*)nullptr); - - // Test for ambiguous overloaded operators. - k = (int*)0; - // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr - // CHECK-FIXES: k = (int*)nullptr; -} - -void test_const_pointers_abiguous() { - const_ambiguous_function((int*)0); - // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: use nullptr - // CHECK-FIXES: const_ambiguous_function((int*)nullptr); -} - -// Test where the implicit cast to null is surrounded by another implict cast -// with possible explict casts in-between. -void test_const_pointers() { - const int *const_p1 = 0; - // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr - // CHECK-FIXES: const int *const_p1 = nullptr; - const int *const_p2 = NULL; - // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr - // CHECK-FIXES: const int *const_p2 = nullptr; - const int *const_p3 = (int)0; - // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr - // CHECK-FIXES: const int *const_p3 = nullptr; - const int *const_p4 = (int)0.0f; - // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr - // CHECK-FIXES: const int *const_p4 = nullptr; - const int *const_p5 = (int*)0; - // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: use nullptr - // CHECK-FIXES: const int *const_p5 = (int*)nullptr; - int *t; - const int *const_p6 = static_cast<int*>(t ? t : static_cast<int*>(0)); - // CHECK-MESSAGES: :[[@LINE-1]]:69: warning: use nullptr - // CHECK-FIXES: const int *const_p6 = static_cast<int*>(t ? t : static_cast<int*>(nullptr)); -} - -void test_nested_implicit_cast_expr() { - int func0(void*, void*); - int func1(int, void*, void*); - - (double)func1(0, 0, 0); - // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: use nullptr - // CHECK-MESSAGES: :[[@LINE-2]]:23: warning: use nullptr - // CHECK-FIXES: (double)func1(0, nullptr, nullptr); - (double)func1(func0(0, 0), 0, 0); - // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: use nullptr - // CHECK-MESSAGES: :[[@LINE-2]]:26: warning: use nullptr - // CHECK-MESSAGES: :[[@LINE-3]]:30: warning: use nullptr - // CHECK-MESSAGES: :[[@LINE-4]]:33: warning: use nullptr - // CHECK-FIXES: (double)func1(func0(nullptr, nullptr), nullptr, nullptr); -} - -// FIXME: currently, the check doesn't work as it should with templates. -template<typename T> -class A { - public: - A(T *p = NULL) {} - - void f() { - Ptr = NULL; - } - T *Ptr; -}; - -template<typename T> -T *f2(T *a = NULL) { - return a ? a : NULL; -} |