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Changed specifications

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This commit is contained in:
CEisenhofer 2026-03-04 15:53:49 +01:00
parent 5aa3713d19
commit ee02c1c8f3
2 changed files with 75 additions and 28 deletions
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51
src/test/nseq_basic.cpp
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@ -16,6 +16,9 @@ Abstract:
#include "ast/euf/euf_sgraph.h"
#include "smt/seq/seq_nielsen.h"
#include "params/smt_params.h"
#include "ast/seq_decl_plugin.h"
#include "smt/smt_context.h"
#include "smt/theory_nseq.h"
#include <iostream>
// Test 1: instantiation of nielsen_graph compiles and doesn't crash
@ -53,6 +56,26 @@ static void test_nseq_param_validation() {
}
}
// Test 2b: parameter validation rejects invalid variants of "nseq"
static void test_nseq_param_validation_rejects_invalid() {
std::cout << "test_nseq_param_validation_rejects_invalid\n";
smt_params p;
static const char* invalid_variants[] = { "nseq2", "NSEQ", "nseqq", "nse", "Nseq", "nseq ", "" };
for (auto s : invalid_variants) {
bool threw = false;
try {
p.validate_string_solver(symbol(s));
} catch (...) {
threw = true;
}
if (!threw) {
std::cerr << " FAIL: '" << s << "' should have been rejected\n";
SASSERT(false && "invalid string solver variant was accepted");
}
}
std::cout << " ok: all invalid variants rejected\n";
}
// Test 3: nielsen graph simplification (trivial case)
static void test_nseq_simplification() {
std::cout << "test_nseq_simplification\n";
@ -204,9 +227,36 @@ static void test_nseq_length_mismatch() {
std::cout << " ok: ab = a detected as unsat\n";
}
// Test 10: setup_seq_str dispatches to setup_nseq() when string_solver == "nseq"
static void test_setup_seq_str_dispatches_nseq() {
std::cout << "test_setup_seq_str_dispatches_nseq\n";
ast_manager m;
reg_decl_plugins(m);
smt_params params;
params.m_string_solver = symbol("nseq");
smt::context ctx(m, params);
// Assert a string equality to trigger string theory setup during check()
seq_util su(m);
sort* str_sort = su.str.mk_string_sort();
app_ref x(m.mk_const(symbol("x_setup_test"), str_sort), m);
app_ref eq(m.mk_eq(x.get(), x.get()), m);
ctx.assert_expr(eq);
ctx.check();
// Verify that theory_nseq (not theory_seq) was registered for the "seq" family
family_id seq_fid = m.mk_family_id("seq");
SASSERT(ctx.get_theory(seq_fid) != nullptr);
SASSERT(dynamic_cast<smt::theory_nseq*>(ctx.get_theory(seq_fid)) != nullptr);
std::cout << " ok: setup_seq_str dispatched to setup_nseq for 'nseq'\n";
}
void tst_nseq_basic() {
test_nseq_instantiation();
test_nseq_param_validation();
test_nseq_param_validation_rejects_invalid();
test_nseq_simplification();
test_nseq_node_satisfied();
test_nseq_symbol_clash();
@ -214,5 +264,6 @@ void tst_nseq_basic() {
test_nseq_prefix_clash();
test_nseq_const_nielsen_solvable();
test_nseq_length_mismatch();
test_setup_seq_str_dispatches_nseq();
std::cout << "nseq_basic: all tests passed\n";
}