111 lines · cpp
1// RUN: %check_clang_tidy %s modernize-use-auto %t -- \2// RUN: -config="{CheckOptions: {modernize-use-auto.MinTypeNameLength: '0'}}" \3// RUN: -- -frtti4 5class MyType {};6 7class MyDerivedType : public MyType {};8 9// FIXME: the replacement sometimes results in two consecutive spaces after10// the word 'auto' (due to the presence of spaces at both sides of '*').11void auto_new() {12 MyType *a_new = new MyType();13 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new14 // CHECK-FIXES: auto *a_new = new MyType();15 16 static MyType *a_static = new MyType();17 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new18 // CHECK-FIXES: static auto *a_static = new MyType();19 20 long long *ll = new long long();21 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new22 // CHECK-FIXES: auto *ll = new long long();23 24 MyType *derived = new MyDerivedType();25 26 void *vd = new MyType();27 28 // CV-qualifier tests.29 //30 // NOTE : the form "type const" is expected here because of a deficiency in31 // TypeLoc where CV qualifiers are not considered part of the type location32 // info. That is, all that is being replaced in each case is "MyType *" and33 // not "MyType * const".34 static MyType * const d_static = new MyType();35 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new36 // CHECK-FIXES: static auto * const d_static = new MyType();37 38 MyType * const a_const = new MyType();39 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new40 // CHECK-FIXES: auto * const a_const = new MyType();41 42 MyType * volatile vol = new MyType();43 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new44 // CHECK-FIXES: auto * volatile vol = new MyType();45 46 struct SType {} *stype = new SType;47 48 int (**func)(int, int) = new (int(*[5])(int,int));49 50 int *array = new int[5];51 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new52 // CHECK-FIXES: auto *array = new int[5];53 54 MyType *ptr(new MyType);55 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new56 // CHECK-FIXES: auto *ptr(new MyType);57 58 MyType *ptr2{new MyType};59 60 {61 // Test for declaration lists.62 MyType *a = new MyType(), *b = new MyType(), *c = new MyType();63 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new64 // CHECK-FIXES: auto *a = new MyType(), *b = new MyType(), *c = new MyType();65 66 // Non-initialized declaration should not be transformed.67 MyType *d = new MyType(), *e;68 69 MyType **f = new MyType*(), **g = new MyType*();70 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new71 // CHECK-FIXES: auto **f = new MyType*(), **g = new MyType*();72 73 // Mismatching types in declaration lists should not be transformed.74 MyType *h = new MyType(), **i = new MyType*();75 76 // '*' shouldn't be removed in case of mismatching types with multiple77 // declarations.78 MyType *j = new MyType(), *k = new MyType(), **l = new MyType*();79 }80 81 {82 // Test for typedefs.83 typedef int * int_p;84 // CHECK-FIXES: typedef int * int_p;85 86 int_p a = new int;87 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new88 // CHECK-FIXES: auto a = new int;89 int_p *b = new int*;90 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new91 // CHECK-FIXES: auto *b = new int*;92 93 // Test for typedefs in declarations lists.94 int_p c = new int, d = new int;95 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new96 // CHECK-FIXES: auto c = new int, d = new int;97 98 // Different types should not be transformed.99 int_p e = new int, *f = new int_p;100 101 int_p *g = new int*, *h = new int_p;102 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new103 // CHECK-FIXES: auto *g = new int*, *h = new int_p;104 }105 106 // Don't warn when 'auto' is already being used.107 auto aut = new MyType();108 auto *paut = new MyType();109 const auto *pcaut = new MyType();110}111