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#include "shared.rsh"
// Testing atomic operations
static bool testUMax(uint32_t dst, uint32_t src) {
bool failed = false;
uint32_t old = dst;
uint32_t expect = (dst > src ? dst : src);
uint32_t ret = rsAtomicMax(&dst, src);
_RS_ASSERT(old == ret);
_RS_ASSERT(dst == expect);
return failed;
}
static bool testUMin(uint32_t dst, uint32_t src) {
bool failed = false;
uint32_t old = dst;
uint32_t expect = (dst < src ? dst : src);
uint32_t ret = rsAtomicMin(&dst, src);
_RS_ASSERT(old == ret);
_RS_ASSERT(dst == expect);
return failed;
}
static bool testUCas(uint32_t dst, uint32_t cmp, uint32_t swp) {
bool failed = false;
uint32_t old = dst;
uint32_t expect = (dst == cmp ? swp : dst);
uint32_t ret = rsAtomicCas(&dst, cmp, swp);
_RS_ASSERT(old == ret);
_RS_ASSERT(dst == expect);
return failed;
}
static bool test_atomics() {
bool failed = false;
failed |= testUMax(5, 6);
failed |= testUMax(6, 5);
failed |= testUMax(5, 0xf0000006);
failed |= testUMax(0xf0000006, 5);
failed |= testUMin(5, 6);
failed |= testUMin(6, 5);
failed |= testUMin(5, 0xf0000006);
failed |= testUMin(0xf0000006, 5);
failed |= testUCas(4, 4, 5);
failed |= testUCas(4, 5, 5);
failed |= testUCas(5, 5, 4);
failed |= testUCas(5, 4, 4);
failed |= testUCas(0xf0000004, 0xf0000004, 0xf0000005);
failed |= testUCas(0xf0000004, 0xf0000005, 0xf0000005);
failed |= testUCas(0xf0000005, 0xf0000005, 0xf0000004);
failed |= testUCas(0xf0000005, 0xf0000004, 0xf0000004);
if (failed) {
rsDebug("test_atomics FAILED", 0);
}
else {
rsDebug("test_atomics PASSED", 0);
}
return failed;
}
void atomic_test() {
bool failed = false;
failed |= test_atomics();
if (failed) {
rsSendToClientBlocking(RS_MSG_TEST_FAILED);
}
else {
rsSendToClientBlocking(RS_MSG_TEST_PASSED);
}
}
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