Function test_fontconfig_preamble

lib/matplotlib/tests/test_texmanager.py:14–22

Test that the preamble is included in the source.

()

def test_fontconfig_preamble():
    """Test that the preamble is included in the source."""
    plt.rcParams['text.usetex'] = True

    src1 = TexManager()._get_tex_source("", fontsize=12)
    plt.rcParams['text.latex.preamble'] = '\\usepackage{txfonts}'
    src2 = TexManager()._get_tex_source("", fontsize=12)

    assert src1 != src2


@pytest.mark.parametrize(