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more unit testing and fixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-09 10:50:30 -07:00
parent 6a829f831d
commit d07b508ecd
3 changed files with 101 additions and 10 deletions
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67
src/test/mod_interval.cpp
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@ -134,8 +134,75 @@ static void test_interval_intersect() {
test_interval_intersect(bounds[i], bounds[j], bounds[k], bounds[l]);
}
static void test_interval_intersect2(unsigned i, unsigned j, uint8_t k) {
if (i == j && i != 0)
return;
mod_interval<uint8_t> x0(i, j);
auto validate = [&](char const* t, mod_interval<uint8_t> const& y, mod_interval<uint8_t> const& z) {
if (y == z)
return;
std::cout << t << "(" << (unsigned)k << ") " << x0 << " -> " << y << " " << z << "\n";
SASSERT(false);
};
{
mod_interval<uint8_t> x = x0;
auto uge2 = x & mod_interval<uint8_t>(k, 0);
auto uge1 = x.intersect_uge(k);
validate("uge", uge1, uge2);
}
{
mod_interval<uint8_t> x = x0;
auto ule1 = x.intersect_ule(k);
if ((uint8_t)(k + 1) != 0) {
auto ule2 = x0 & mod_interval<uint8_t>(0, k + 1);
validate("ule", ule1, ule2);
}
else {
validate("ule", ule1, x0);
}
}
{
mod_interval<uint8_t> x = x0;
auto ult1 = x.intersect_ult(k);
if (k != 0) {
auto ult2 = x0 & mod_interval<uint8_t>(0, k);
validate("ult", ult1, ult2);
}
else {
validate("ult", ult1, mod_interval<uint8_t>::empty());
}
}
{
mod_interval<uint8_t> x = x0;
auto ugt1 = x.intersect_ugt(k);
if ((uint8_t)(k + 1) != 0) {
auto ugt2 = x0 & mod_interval<uint8_t>(k + 1, 0);
validate("ugt", ugt1, ugt2);
}
else {
validate("ugt", ugt1, mod_interval<uint8_t>::empty());
}
}
}
static void test_interval_intersect2() {
unsigned bounds[8] = { 0, 1, 2, 3, 252, 253, 254, 255 };
for (unsigned i = 0; i < 8; ++i)
for (unsigned j = 0; j < 8; ++j)
for (unsigned k = 0; k < 8; ++k)
test_interval_intersect2(bounds[i], bounds[j], bounds[k]);
}
void tst_mod_interval() {
test_interval_intersect();
test_interval_intersect2();
test_interval1();
test_interval2();
}