106 lines · cpp
1// RUN: %check_clang_tidy %s modernize-use-auto %t -- \2// RUN: -config="{CheckOptions: {modernize-use-auto.RemoveStars: 'true', modernize-use-auto.MinTypeNameLength: '0'}}"3 4class MyType {};5 6class MyDerivedType : public MyType {};7 8// FIXME: the replacement sometimes results in two consecutive spaces after9// the word 'auto' (due to the presence of spaces at both sides of '*').10void auto_new() {11 MyType *a_new = new MyType();12 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new13 // CHECK-FIXES: auto a_new = new MyType();14 15 static MyType *a_static = new MyType();16 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new17 // CHECK-FIXES: static auto a_static = new MyType();18 19 MyType *derived = new MyDerivedType();20 21 void *vd = new MyType();22 23 // CV-qualifier tests.24 //25 // NOTE : the form "type const" is expected here because of a deficiency in26 // TypeLoc where CV qualifiers are not considered part of the type location27 // info. That is, all that is being replaced in each case is "MyType *" and28 // not "MyType * const".29 static MyType * const d_static = new MyType();30 // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use auto when initializing with new31 // CHECK-FIXES: static auto const d_static = new MyType();32 33 MyType * const a_const = new MyType();34 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new35 // CHECK-FIXES: auto const a_const = new MyType();36 37 MyType * volatile vol = new MyType();38 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new39 // CHECK-FIXES: auto volatile vol = new MyType();40 41 struct SType {} *stype = new SType;42 43 int (**func)(int, int) = new (int(*[5])(int,int));44 45 int *array = new int[5];46 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new47 // CHECK-FIXES: auto array = new int[5];48 49 MyType *ptr(new MyType);50 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use auto when initializing with new51 // CHECK-FIXES: auto ptr(new MyType);52 53 MyType *ptr2{new MyType};54 55 {56 // Test for declaration lists.57 MyType *a = new MyType(), *b = new MyType(), *c = new MyType();58 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new59 // CHECK-FIXES: auto a = new MyType(), b = new MyType(), c = new MyType();60 61 // Non-initialized declaration should not be transformed.62 MyType *d = new MyType(), *e;63 64 MyType **f = new MyType*(), **g = new MyType*();65 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new66 // CHECK-FIXES: auto f = new MyType*(), g = new MyType*();67 68 // Mismatching types in declaration lists should not be transformed.69 MyType *h = new MyType(), **i = new MyType*();70 71 // '*' shouldn't be removed in case of mismatching types with multiple72 // declarations.73 MyType *j = new MyType(), *k = new MyType(), **l = new MyType*();74 }75 76 {77 // Test for typedefs.78 typedef int * int_p;79 // CHECK-FIXES: typedef int * int_p;80 81 int_p a = new int;82 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new83 // CHECK-FIXES: auto a = new int;84 int_p *b = new int*;85 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new86 // CHECK-FIXES: auto b = new int*;87 88 // Test for typedefs in declarations lists.89 int_p c = new int, d = new int;90 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new91 // CHECK-FIXES: auto c = new int, d = new int;92 93 // Different types should not be transformed.94 int_p e = new int, *f = new int_p;95 96 int_p *g = new int*, *h = new int_p;97 // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: use auto when initializing with new98 // CHECK-FIXES: auto g = new int*, h = new int_p;99 }100 101 // Don't warn when 'auto' is already being used.102 auto aut = new MyType();103 auto *paut = new MyType();104 const auto *pcaut = new MyType();105}106