diff options
Diffstat (limited to 'clang/test/SemaCXX/warn-cast-qual.cpp')
| -rw-r--r-- | clang/test/SemaCXX/warn-cast-qual.cpp | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/clang/test/SemaCXX/warn-cast-qual.cpp b/clang/test/SemaCXX/warn-cast-qual.cpp deleted file mode 100644 index d1f0cc73a63..00000000000 --- a/clang/test/SemaCXX/warn-cast-qual.cpp +++ /dev/null @@ -1,140 +0,0 @@ -// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -Wcast-qual -verify %s - -#include <stdint.h> - -// do *NOT* warn on const_cast<>() -// use clang-tidy's cppcoreguidelines-pro-type-const-cast for that. -void foo_ptr() { - const char *const ptr = 0; - char *t0 = const_cast<char *>(ptr); // no warning - - volatile char *ptr2 = 0; - char *t1 = const_cast<char *>(ptr2); // no warning - - const volatile char *ptr3 = 0; - char *t2 = const_cast<char *>(ptr3); // no warning -} - -void cstr() { - void* p0 = (void*)(const void*)"txt"; // expected-warning {{cast from 'const void *' to 'void *' drops const qualifier}} - void* p1 = (void*)"txt"; // FIXME - char* p2 = (char*)"txt"; // expected-warning {{cast from 'const char *' to 'char *' drops const qualifier}} -} - -void foo_0() { - const int a = 0; - - const int &a0 = a; // no warning - const int &a1 = (const int &)a; // no warning - - int &a2 = (int &)a; // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - const int &a3 = (int &)a; // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - int &a4 = (int &)((const int &)a); // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - int &a5 = (int &)((int &)a); // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - const int &a6 = (int &)((int &)a); // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - const int &a7 = (int &)((const int &)a); // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - const int &a8 = (const int &)((int &)a); // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} -} - -void foo_1() { - volatile int a = 0; - - volatile int &a0 = a; // no warning - volatile int &a1 = (volatile int &)a; // no warning - - int &a2 = (int &)a; // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - volatile int &a3 = (int &)a; // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - int &a4 = (int &)((volatile int &)a); // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - int &a5 = (int &)((int &)a); // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - volatile int &a6 = (int &)((int &)a); // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - volatile int &a7 = (int &)((volatile int &)a); // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} - volatile int &a8 = (volatile int &)((int &)a); // expected-warning {{cast from 'volatile int' to 'int &' drops volatile qualifier}} -} - -void foo_2() { - const volatile int a = 0; - - const volatile int &a0 = a; // no warning - const volatile int &a1 = (const volatile int &)a; // no warning - - int &a2 = (int &)a; // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - const volatile int &a3 = (int &)a; // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - int &a4 = (int &)((const volatile int &)a); // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - int &a5 = (int &)((int &)a); // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - const volatile int &a6 = (int &)((int &)a); // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - const volatile int &a7 = (int &)((const volatile int &)a); // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} - const volatile int &a8 = (const volatile int &)((int &)a); // expected-warning {{cast from 'const volatile int' to 'int &' drops const and volatile qualifiers}} -} - -void bar_0() { - const int *_a = 0; - const int **a = &_a; - - int **a0 = (int **)((const int **)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - int **a1 = (int **)((int **)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - - // const int **a2 = (int **)((int **)a); - // const int **a3 = (int **)((const int **)a); - - const int **a4 = (const int **)((int **)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} expected-warning {{cast from 'int **' to 'const int **' must have all intermediate pointers const qualified to be safe}} - const int **a5 = (const int **)((const int **)a); // no warning -} - -void bar_1() { - const int *_a = 0; - const int *&a = _a; - - int *&a0 = (int *&)((const int *&)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - int *&a1 = (int *&)((int *&)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - - // const int *&a2 = (int *&)((int *&)a); - // const int *&a3 = (int *&)((const int *&)a); - - const int *&a4 = (const int *&)((int *&)a); // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} expected-warning {{cast from 'int *' to 'const int *&' must have all intermediate pointers const qualified to be safe}} - const int *&a5 = (const int *&)((const int *&)a); // no warning -} - -void baz_0() { - struct C { - void A() {} - void B() const {} - }; - - const C S; - S.B(); - - ((C &)S).B(); // expected-warning {{cast from 'const C' to 'C &' drops const qualifier}} - ((C &)S).A(); // expected-warning {{cast from 'const C' to 'C &' drops const qualifier}} - - ((C *)&S)->B(); // expected-warning {{cast from 'const C *' to 'C *' drops const qualifier}} - ((C *)&S)->A(); // expected-warning {{cast from 'const C *' to 'C *' drops const qualifier}} -} - -void baz_1() { - struct C { - const int a; - int b; - - C() : a(0) {} - }; - - { - C S; - S.b = 0; - - (int &)(S.a) = 0; // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - (int &)(S.b) = 0; // no warning - - *(int *)(&S.a) = 0; // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - *(int *)(&S.b) = 0; // no warning - } - { - const C S; - - (int &)(S.a) = 0; // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - (int &)(S.b) = 0; // expected-warning {{cast from 'const int' to 'int &' drops const qualifier}} - - *(int *)(&S.a) = 0; // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - *(int *)(&S.b) = 0; // expected-warning {{cast from 'const int *' to 'int *' drops const qualifier}} - } -} |
