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/*******************************************************************\
Module: Unit tests for goto_program::validate
Author: Diffblue Ltd.
\*******************************************************************/
#include <util/arith_tools.h>
#include <util/bitvector_types.h>
#include <util/namespace.h>
#include <util/symbol_table.h>
#include <goto-programs/goto_function.h>
#include <testing-utils/use_catch.h>
SCENARIO(
"Validation of well-formed goto codes",
"[core][goto-programs][validate]")
{
GIVEN("A program with one assertion")
{
symbol_tablet symbol_table;
const typet type1 = signedbv_typet(32);
symbolt fun_symbol;
irep_idt fun_name = "foo";
fun_symbol.name = fun_name;
symbolt symbol{"a", type1, irep_idt{}};
symbol_exprt varx = symbol.symbol_expr();
exprt val10 = from_integer(10, type1);
binary_relation_exprt x_le_10(varx, ID_le, val10);
goto_functiont goto_function;
auto &instructions = goto_function.body.instructions;
instructions.emplace_back(goto_programt::make_assertion(x_le_10));
instructions.emplace_back(
goto_programt::make_goto(instructions.begin(), true_exprt()));
symbol_table.insert(symbol);
symbol_table.insert(fun_symbol);
namespacet ns(symbol_table);
WHEN("Target is a target")
{
instructions.front().target_number = 1;
THEN("The consistency check succeeds")
{
goto_function.body.validate(ns, validation_modet::INVARIANT);
REQUIRE(true);
}
}
WHEN("Target is not a target")
{
THEN("The consistency check fails")
{
REQUIRE_THROWS_AS(
goto_function.body.validate(ns, validation_modet::EXCEPTION),
incorrect_goto_program_exceptiont);
}
}
}
}
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