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/** Test the comparison operators.
type: char, int, long
storage: static,
attr: volatile
*/
#include <testfwk.h>
static void
testCmpAroundZero(void)
{
{attr} {storage} signed {type} i;
i = 5;
ASSERT(0 < i);
ASSERT(i > 0);
ASSERT(0 <= i);
ASSERT(i >= 0);
#if !defined(__SDCC_pdk14) // Lack of memory
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
i = -33;
ASSERT(0 > i);
ASSERT(i < 0);
ASSERT(0 >= i);
ASSERT(i <= 0);
i = 0;
ASSERT(0 == i);
ASSERT(0 <= i);
ASSERT(0 >= i);
#endif
#endif
}
static void
testCompareConstants(void)
{
{attr} {storage} signed {type} i;
i = 12;
ASSERT(i < 23);
ASSERT(i > 3);
ASSERT(i > -14);
#if !defined(__SDCC_pdk14) // Lack of memory
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
ASSERT(i <= 23);
ASSERT(i >= 3);
ASSERT(i >= -14);
ASSERT(i <= 12);
ASSERT(i >= 12);
ASSERT(i == 12);
#endif
#endif
i = -34;
ASSERT(i > -126);
ASSERT(i < -3);
#if !defined(__SDCC_pdk14) // Lack of memory
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
ASSERT(i < 47);
ASSERT(i >= -126);
ASSERT(i <= -3);
ASSERT(i <= 47);
ASSERT(i <= -34);
ASSERT(i >= -34);
ASSERT(i == -34);
#endif
#endif
}
static void
testCompareVariables(void)
{
{attr} {storage} signed {type} left, right;
left = 12;
right = 47;
ASSERT(left < right);
ASSERT(left <= right);
ASSERT(right > left);
ASSERT(right >= left);
right = -8;
ASSERT(left > right);
ASSERT(left >= right);
ASSERT(right < left);
ASSERT(right <= left);
#if !defined(__SDCC_pdk14) // Lack of memory
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
right = 0;
ASSERT(left > right);
ASSERT(left >= right);
ASSERT(right < left);
ASSERT(right <= left);
right = left;
ASSERT(left == right);
ASSERT(left <= right);
ASSERT(left >= right);
#endif
#endif
}
static void
testUnsignedCompare(void)
{
{attr} {storage} unsigned {type} left, right;
left = 0;
right = (unsigned {type})-1;
ASSERT(left < right);
ASSERT(left <= right);
ASSERT(right > left);
ASSERT(right >= left);
}
void (*fptr)(void);
int *volatile iptr;
#if !defined(__SDCC_pdk14) // Lack of memory
signed {type} s;
unsigned {type} u;
void set ({type} v)
{
s = v;
u = v;
}
#endif
/* Test optimization for eliminating redundant loads in range tests. s and u should not be volatile. */
void testRange(void)
{
#if !defined(__SDCC_pdk14) // Lack of memory
#if !(defined (__SDCC_pdk15) && defined(__SDCC_STACK_AUTO)) // Lack of code memory
set (17);
ASSERT (s >= 17 && s <= 20);
ASSERT (u >= 17 && u <= 20);
set (21);
ASSERT (!(s >= 17 && s <= 20));
ASSERT (!(u >= 17 && u <= 20));
set (18);
ASSERT (s > 17 && s < 20);
ASSERT (u > 17 && u < 20);
set (20);
ASSERT (!(s > 17 && s < 20));
ASSERT (!(u > 17 && u < 20));
#endif
#endif
}
void testPointerCompare(void)
{
int i;
fptr = &testPointerCompare;
iptr = &i;
ASSERT(iptr == &i);
ASSERT(fptr == &testPointerCompare);
}
/*
Common cases:
Around zero
Constants on either side (reversal)
<=
>=
==
!=
<
>
*/
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