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// RUN: %check_clang_tidy %s modernize-use-auto %t
class MyType {};
class MyDerivedType : public MyType {};
// FIXME: the replacement sometimes results in two consecutive spaces after
// the word 'auto' (due to the presence of spaces at both sides of '*').
void auto_new() {
MyType *a_new = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto *a_new = new MyType();
static MyType *a_static = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new
// CHECK-FIXES: static auto *a_static = new MyType();
long long *ll = new long long();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto *ll = new long long();
MyType *derived = new MyDerivedType();
void *vd = new MyType();
// CV-qualifier tests.
//
// NOTE : the form "type const" is expected here because of a deficiency in
// TypeLoc where CV qualifiers are not considered part of the type location
// info. That is, all that is being replaced in each case is "MyType *" and
// not "MyType * const".
static MyType * const d_static = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new
// CHECK-FIXES: static auto * const d_static = new MyType();
MyType * const a_const = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto * const a_const = new MyType();
MyType * volatile vol = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto * volatile vol = new MyType();
struct SType {} *stype = new SType;
int (**func)(int, int) = new (int(*[5])(int,int));
int *array = new int[5];
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto *array = new int[5];
MyType *ptr(new MyType);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new
// CHECK-FIXES: auto *ptr(new MyType);
MyType *ptr2{new MyType};
{
// Test for declaration lists.
MyType *a = new MyType(), *b = new MyType(), *c = new MyType();
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto *a = new MyType(), *b = new MyType(), *c = new MyType();
// Non-initialized declaration should not be transformed.
MyType *d = new MyType(), *e;
MyType **f = new MyType*(), **g = new MyType*();
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto **f = new MyType*(), **g = new MyType*();
// Mismatching types in declaration lists should not be transformed.
MyType *h = new MyType(), **i = new MyType*();
// '*' shouldn't be removed in case of mismatching types with multiple
// declarations.
MyType *j = new MyType(), *k = new MyType(), **l = new MyType*();
}
{
// Test for typedefs.
typedef int * int_p;
// CHECK-FIXES: typedef int * int_p;
int_p a = new int;
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto a = new int;
int_p *b = new int*;
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto *b = new int*;
// Test for typedefs in declarations lists.
int_p c = new int, d = new int;
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto c = new int, d = new int;
// Different types should not be transformed.
int_p e = new int, *f = new int_p;
int_p *g = new int*, *h = new int_p;
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new
// CHECK-FIXES: auto *g = new int*, *h = new int_p;
}
// Don't warn when 'auto' is already being used.
auto aut = new MyType();
auto *paut = new MyType();
const auto *pcaut = new MyType();
}
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