def test_get_cdelt_pa2():
cdelt = (-1.5, 3)
pa = -25.
header = create_fitsheader((10, 10), cdelt=cdelt, pa=pa)
cdelt_, pa_ = get_cdelt_pa(header)
assert_eq(cdelt, cdelt_)
assert_eq(pa, pa_)
def test_get_cdelt_pa1():
header = create_fitsheader((10, 10), cdelt=(-1.2, 3))
cdelt, pa = get_cdelt_pa(header)
assert_eq(cdelt, (-1.2, 3))
assert_eq(pa, 0)