blob: 25e1d4d88a1f2f4f7cf35e2f21e70b74ec16c9a8 [file] [log] [blame]
// RUN: clang -fsyntax-only -verify %s
void f (int z) {
while (z) {
default: z--; // expected-error {{statement not in switch}}
}
}
void foo(int X) {
switch (X) {
case 42: ; // expected-note {{previous case}}
case 5000000000LL: // expected-warning {{overflow}}
case 42: // expected-error {{duplicate case value}}
;
case 100 ... 99: ; // expected-warning {{empty case range}}
case 43: ; // expected-note {{previous case}}
case 43 ... 45: ; // expected-error {{duplicate case value}}
case 100 ... 20000:; // expected-note {{previous case}}
case 15000 ... 40000000:; // expected-error {{duplicate case value}}
}
}
void test3(void) {
// empty switch;
switch (0);
}
extern int g();
void test4()
{
switch (1) {
case 0 && g():
case 1 || g():
break;
}
switch(1) {
case g(): // expected-error {{expression is not an integer constant expression}}
case 0 ... g(): // expected-error {{expression is not an integer constant expression}}
break;
}
switch (1) {
case 0 && g() ... 1 || g():
break;
}
switch (1) {
case g() && 0: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
break;
}
switch (1) {
case 0 ... g() || 1: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
break;
}
}
void test5(int z) {
switch(z) {
default: // expected-note {{previous case defined here}}
default: // expected-error {{multiple default labels in one switch}}
break;
}
}