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char x;
/* Valid switch statement */
#ifdef TEST1
char foo(void)
{
switch(x)
{
char y;
case 0:
return 0;
case 1:
return 1;
default:
y = x+1;
return y;
}
}
#endif
/* Error, duplicate cases */
#ifdef TEST2
char foo(void)
{
switch(x)
{
char y;
case 0: /* IGNORE */
return 0;
case 1:
return 1;
case 0: /* ERROR */
return 0;
default:
y = x;
return y;
}
}
#endif
/* Error, more than one default */
#ifdef TEST3
char foo(void)
{
switch(x)
{
char y;
case 0:
return 0;
case 1:
return 1;
default: /* IGNORE */
y = x;
return y;
default: /* ERROR */
return 2;
}
}
#endif
/* Warn about unreachable code */
#ifdef TEST4
char foo(void)
{
switch(x)
{
char y;
x++; /* WARNING(SDCC) */
case 0:
return 0;
case 1:
return 1;
default:
y = x;
return x;
}
}
#endif
/* Warn about unreachable initializer */
#ifdef TEST5
char foo(void)
{
switch(x)
{
char y=1; /* WARNING(SDCC) */
case 0:
return 0;
case 1:
return 1;
default:
return y; /* IGNORE */
}
}
#endif
/* Error, missing switch */
#ifdef TEST6
char foo(void)
{
{
case 0: /* ERROR */
return 0;
case 1: /* ERROR */
return 1;
default: /* ERROR */
return x;
}
}
#endif
/* Error, switch condition must be integral */
#ifdef TEST7
char foo(void)
{
float f;
f=x;
switch(f) /* ERROR */
{
char y;
case 0:
return 0;
case 1:
return 1;
default:
y = x;
return x;
}
return 0;
}
#endif
/* Error, cases must be integral */
#ifdef TEST8
char foo(void)
{
switch(x)
{
char y;
case 0.0: /* ERROR */
return 0;
case 1:
return 1;
default:
y = x;
return x;
}
}
#endif
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