testutils.h

#ifndef TINYSPLINE_TESTUTILS_H
#define TINYSPLINE_TESTUTILS_H

#include <CuTest.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <tinyspline.h>

#ifdef __cplusplus
extern "C" {
#endif

#define POINT_EPSILON TS_POINT_EPSILON
#define ANGLE_EPSILON TS_POINT_EPSILON

#define ___SETUP___ tsStatus status;
#define ___GIVEN___ TS_TRY(try, status.code, &status)
#define ___WHEN___
#define ___THEN___
#define ___TEARDOWN___ TS_END_TRY if (status.code) CuFail(tc, status.message);
#define C(call) TS_CALL(try, status.code, (call))

/**
 * Asserts that \p s1 and \p s2 have equal shape by evaluating them at
 * different knots and comparing the distance of the evaluated points with
 * \p eps (i.e., the distance of the evaluated points must be less than or
 * equal to \p eps). The given splines may have different dimensions. In this
 * case, the distance is computed with the lower dimension.
 *
 * @param tc
 * 	The active test container.
 * @param s1
 * 	First spline.
 * @param s2
 * 	Second spline.
 * @param eps
 * 	Maximum distance of evaluated points. The type of this argument is
 * 	double so as to simplify the use of this method in unit tests.
 */
void
assert_equal_shape_eps(CuTest *tc,
                       tsBSpline *s1,
                       tsBSpline *s2,
                       double eps);

/**
 * Asserts that \p s1 and \p s2 have equal shape by evaluating them at
 * different knots and comparing the distance of the evaluated points with
 * ::POINT_EPSILON (i.e., the distance of the evaluated points must be less
 * than or equal to ::POINT_EPSILON). The given splines may have different
 * dimensions. In this case, the distance is computed with the lower dimension.
 *
 * Implementation detail: This function uses ::assert_equal_shape_eps.
 *
 * @param tc
 * 	The active test container.
 * @param s1
 * 	First spline.
 * @param s2
 * 	Second spline.
 */
void
assert_equal_shape(CuTest *tc,
                   tsBSpline *s1,
                   tsBSpline *s2);

/**
 * Returns the euclidean distance of the points \p x and \p first ... . Fails
 * if \p dim is 0 (i.e., a failure is registered in \p tc).
 *
 * @param tc
 * 	The active test container.
 * @param dim
 * 	The dim of \p x and \p first ... .
 * @param x
 * 	The x value
 * @param first
 * 	The first component of \p first ... .
 * @param ...
 * 	The remaining components of \p first ... .
 * @return
 */
tsReal
ts_distance_varargs(CuTest *tc,
                    size_t dim,
                    const tsReal *x,
                    double first,
                    ...);

#ifdef __cplusplus
}
#endif

#endif	/* TINYSPLINE_TESTUTILS_H */