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/** setjmp/longjmp tests (focusing on getting the return value right).
*/
#include <testfwk.h>
#if !defined(__SDCC_pic14) // Unimplemented setjmp
#include <setjmp.h>
jmp_buf buf;
void g(int v)
{
longjmp(buf, v);
}
void testJmp(void)
{
int r;
r = setjmp(buf);
if(!r)
g(0);
ASSERT(r == 1); // When called with an argument of 0, longjmp() makes setjmp() return 1 instead.
r = setjmp(buf);
if(!r)
g(1);
ASSERT(r == 1);
r = setjmp(buf);
if(!r)
g(42);
ASSERT(r == 42); // There used to be a bug affecting the Rabbit ports where return values other than 0/1 were wrong.
r = setjmp(buf);
if(!r)
g(0x5a5);
ASSERT(r == 0x5a5); // Ensure that we get the upper byte correct, too.
}
#endif
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