Function test_usetex_preamble

lib/matplotlib/tests/test_backend_ps.py:203–210

(caplog)

@needs_usetex
def test_usetex_preamble(caplog):
    mpl.rcParams.update({
        "text.usetex": True,
        # Check that these don't conflict with the packages loaded by default.
        "text.latex.preamble": r"\usepackage{color,graphicx,textcomp}",
    })
    plt.figtext(.5, .5, "foo")
    plt.savefig(io.BytesIO(), format="ps")


@image_comparison(["useafm.eps"], style='_classic_test')