YouCompleteMe/cpp/llvm/tools/clang/test/SemaCXX/switch.cpp
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

88 lines
2.1 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
void test() {
bool x = true;
switch (x) { // expected-warning {{bool}}
case 0:
break;
}
int n = 3;
switch (n && true) { // expected-warning {{bool}}
case 1:
break;
}
}
// PR5518
struct A {
operator int(); // expected-note{{conversion to integral type}}
};
void x() {
switch(A()) {
}
}
enum E { e1, e2 };
struct B : A {
operator E() const; // expected-note{{conversion to enumeration type}}
};
void x2() {
switch (B()) { // expected-error{{multiple conversions}}
}
}
struct C; // expected-note{{forward declaration}}
void x3(C &c) {
switch (c) { // expected-error{{incomplete class type}}
}
}
namespace test3 {
enum En { A, B, C };
template <En how> void foo() {
int x = 0, y = 5;
switch (how) { //expected-warning {{no case matching constant switch condition '2'}}
case A: x *= y; break;
case B: x += y; break;
// No case for C, but it's okay because we have a constant condition.
}
}
template void foo<A>();
template void foo<B>();
template void foo<C>(); //expected-note {{in instantiation}}
}
// PR9304 and rdar://9045501
void click_check_header_sizes() {
switch (0 == 8) { // expected-warning {{switch condition has boolean value}}
case 0: ;
}
}
void local_class(int n) {
for (;;) switch (n) {
case 0:
struct S {
void f() {
case 1: // expected-error {{'case' statement not in switch statement}}
break; // expected-error {{'break' statement not in loop or switch statement}}
default: // expected-error {{'default' statement not in switch statement}}
continue; // expected-error {{'continue' statement not in loop statement}}
}
};
S().f();
[]{
case 2: // expected-error {{'case' statement not in switch statement}}
break; // expected-error {{'break' statement not in loop or switch statement}}
default: // expected-error {{'default' statement not in switch statement}}
continue; // expected-error {{'continue' statement not in loop statement}}
}();
}
}