#include <stan/math/prim/mat.hpp>
#include <boost/math/special_functions/fpclassify.hpp>
#include <gtest/gtest.h>

TEST(MathMatrix,dimensionValidation) {
  using stan::math::determinant;
  using Eigen::Matrix;
  using Eigen::Dynamic;
  Matrix<double,Dynamic,Dynamic> x(3,3);
  x << 1, 2, 3, 1, 4, 9, 1, 8, 27;

  ASSERT_FALSE(boost::math::isnan(determinant(x)));

  Matrix<double,Dynamic,Dynamic> xx(3,2);
  xx << 1, 2, 3, 1, 4, 9;
  EXPECT_THROW(stan::math::determinant(xx), std::invalid_argument);
}
