mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2026-07-04 22:46:10 +00:00
Code Activity

Add test for ezCmdlineSAT

Browse source
This commit is contained in:
Gus Smith 2026-01-20 09:28:00 -08:00
parent 979b673f20
commit 0f6ef77775
4 changed files with 124 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

53
tests/various/ezcmdline_plugin.cc Normal file
View file

@ -0,0 +1,53 @@
#include "kernel/yosys.h"
#include "libs/ezsat/ezcmdline.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct EzCmdlineTestPass : public Pass {
EzCmdlineTestPass() : Pass("ezcmdline_test", "smoke-test ezCmdlineSAT") { }
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
std::string cmd;
size_t argidx = 1;
while (argidx < args.size()) {
if (args[argidx] == "-cmd" && argidx + 1 < args.size()) {
cmd = args[argidx + 1];
argidx += 2;
continue;
}
break;
}
extra_args(args, argidx, design);
if (cmd.empty())
log_error("Missing -cmd <solver> argument.\n");
ezCmdlineSAT sat(cmd);
sat.non_incremental();
// assume("A") adds a permanent CNF clause "A".
sat.assume(sat.VAR("A"));
std::vector<int> model_expressions;
std::vector<bool> model_values;
model_expressions.push_back(sat.VAR("A"));
// Expect SAT with A=true.
if (!sat.solve(model_expressions, model_values))
log_error("ezCmdlineSAT SAT case failed.\n");
if (model_values.size() != 1 || !model_values[0])
log_error("ezCmdlineSAT SAT model mismatch.\n");
// Passing NOT("A") here adds a temporary unit clause for this solve call,
// so the solver sees A && !A and must return UNSAT.
if (sat.solve(model_expressions, model_values, sat.NOT("A")))
log_error("ezCmdlineSAT UNSAT case failed.\n");
log("ezcmdline_test passed!\n");
}
} EzCmdlineTestPass;
PRIVATE_NAMESPACE_END