llvm-project/clang-tools-extra/test/clang-modernize/AddOverride/basic.cpp

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4.0 KiB
C++

// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
// RUN: clang-modernize -add-override %t.cpp -- -I %S -std=c++11
// RUN: FileCheck -input-file=%t.cpp %s
// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
// RUN: clang-modernize -add-override -override-macros %t.cpp -- -I %S -std=c++11
// RUN: FileCheck --check-prefix=MACRO --input-file=%t.cpp %s
struct A {
virtual ~A();
// CHECK: virtual ~A();
void f();
virtual void h() const;
// CHECK: virtual void h() const;
virtual void i() = 0;
// CHECK: virtual void i() = 0;
};
// Test that override isn't added to non-virtual functions.
struct B : public A {
void f();
// CHECK: struct B
// CHECK-NEXT: void f();
};
// Test that override is added to functions that override virtual functions.
struct C : public A {
void h() const;
// CHECK: struct C
// CHECK-NEXT: void h() const override;
// MACRO: struct C
// MACRO-NEXT: void h() const override;
};
// Test that override isn't add to functions that overload but not override.
struct D : public A {
void h();
// CHECK: struct D
// CHECK-NEXT: void h();
};
// Test that override isn't added again to functions that already have it.
struct E : public A {
void h() const override;
// CHECK: struct E
// CHECK-NEXT: void h() const override;
// MACRO: struct E
// MACRO-NEXT: void h() const override;
};
// Test that override isn't added to the destructor.
struct F : public A {
virtual ~F();
// CHECK: struct F
// CHECK-NEXT: virtual ~F();
};
// Test that override is placed before any end of line comments.
struct G : public A {
void h() const; // comment
void i() // comment
{}
// CHECK: struct G
// CHECK-NEXT: void h() const override; // comment
// CHECK-NEXT: void i() override // comment
// CHECK-NEXT: {}
};
// Test that override is placed correctly if there is an inline body.
struct H : public A {
void h() const { }
// CHECK: struct H
// CHECK-NEXT: void h() const override { }
};
// Test that override is placed correctly if there is a body on the next line.
struct I : public A {
void h() const
{ }
// CHECK: struct I
// CHECK-NEXT: void h() const override
// CHECK-NEXT: { }
};
// Test that override is placed correctly if there is a body outside the class.
struct J : public A {
void h() const;
// CHECK: struct J
// CHECK-NEXT: void h() const override;
};
void J::h() const {
// CHECK: void J::h() const {
}
// Test that override is placed correctly if there is a trailing return type.
struct K : public A {
auto h() const -> void;
// CHECK: struct K
// CHECK-NEXT: auto h() const -> void override;
};
#define LLVM_OVERRIDE override
// Test that override isn't added if it is already specified via a macro.
struct L : public A {
void h() const LLVM_OVERRIDE;
// CHECK: struct L
// CHECK-NEXT: void h() const LLVM_OVERRIDE;
// MACRO: struct L
// MACRO-NEXT: void h() const LLVM_OVERRIDE;
};
template <typename T>
struct M : public A {
virtual void i();
// CHECK: struct M
// CHECK-NEXT: virtual void i() override;
// MACRO: struct M
// MACRO-NEXT: virtual void i() LLVM_OVERRIDE;
};
M<int> b;
// Test that override isn't added at the wrong place for "pure overrides"
struct APure {
virtual APure *clone() = 0;
};
struct BPure : APure {
virtual BPure *clone() { return new BPure(); }
};
struct CPure : BPure {
virtual BPure *clone() = 0;
// CHECK: struct CPure : BPure {
// CHECK-NOT: virtual BPure *clone() = 0 override;
// CHECK: };
};
struct DPure : CPure {
virtual DPure *clone() { return new DPure(); }
};
// Test that override is not added on dangerous template constructs
struct Base1 {
virtual void f();
};
struct Base2 {};
template<typename T> struct Derived : T {
void f(); // adding 'override' here will break instantiation of Derived<Base2>
// CHECK: struct Derived
// CHECK-NEXT: void f();
};
Derived<Base1> d1;
Derived<Base2> d2;
#undef LLVM_OVERRIDE
struct N : public A {
void h() const;
// CHECK: struct N
// CHECK-NEXT: void h() const override;
// MACRO: struct N
// MACRO-NEXT: void h() const override;
};