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#include <stdio.h>
enum{ in = 0};
#define myassert(X) do{ if(!X) printf("%d: assertion failed\n", __LINE__); }while(0)
int main(){
{
myassert(!in);
if(sizeof(enum{in=1})) myassert(in);
myassert(!in); //OOPS
}
{
myassert(!in);
switch(sizeof(enum{in=1})) { default: myassert(in); }
myassert(!in); //OOPS
}
{
myassert(!in);
while(sizeof(enum{in=1})) { myassert(in); break; }
myassert(!in); //OOPS
}
{
myassert(!in);
do{ myassert(!in);}while(0*sizeof(enum{in=1}));
myassert(!in); //OOPS
}
{
myassert(!in);
for(sizeof(enum{in=1});;){ myassert(in); break; }
myassert(!in); //OK
}
{
myassert(!in);
for(;;sizeof(enum{in=1})){ myassert(in); break; }
myassert(!in); //OK
}
{
myassert(!in);
for(;sizeof(enum{in=1});){ myassert(in); break; }
myassert(!in); //OK
}
}
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