#include "gtest/gtest.h"
#include "cantera/base/Units.h"
#include "cantera/IdealGasMix.h"

using namespace Cantera;

TEST(Reaction, ElementaryFromYaml)
{
    // @TODO: Use of XML input files in these tests of the YAML format needs to
    // be eliminated before we can deprecate the XML format.
    IdealGasMix gas("gri30.xml");
    AnyMap rxn = AnyMap::fromYamlString(
        "{equation: N + NO <=> N2 + O,"
        " rate-constant: [-2.70000E+13 cm^3/mol/s, 0, 355 cal/mol],"
        " negative-A: true}");

    UnitSystem U;
    auto R = newReaction(rxn, gas, U);
    EXPECT_EQ(R->reactants.at("NO"), 1);
    EXPECT_EQ(R->products.at("N2"), 1);
    EXPECT_EQ(R->reaction_type, ELEMENTARY_RXN);

    auto ER = dynamic_cast<ElementaryReaction&>(*R);
    EXPECT_DOUBLE_EQ(ER.rate.preExponentialFactor(), -2.7e10);
    EXPECT_DOUBLE_EQ(ER.rate.activationEnergy_R(), 355 / GasConst_cal_mol_K);
    EXPECT_TRUE(ER.allow_negative_pre_exponential_factor);
    EXPECT_FALSE(ER.allow_negative_orders);
}