TST: Add tests for FT2Font.load_{char,glyph}

Author: QuLogic

lib/matplotlib/tests/test_ft2font.py

@@ -741,6 +741,29 @@ def test_ft2font_set_text():
     assert font.get_bitmap_offset() == (6, 0)
 
 
+def test_ft2font_loading():
+    file = fm.findfont('DejaVu Sans')
+    font = ft2font.FT2Font(file, hinting_factor=1, _kerning_factor=0)
+    for glyph in [font.load_char(ord('M')),
+                  font.load_glyph(font.get_char_index(ord('M')))]:
+        assert glyph is not None
+        assert glyph.width == 576
+        assert glyph.height == 576
+        assert glyph.horiBearingX == 0
+        assert glyph.horiBearingY == 576
+        assert glyph.horiAdvance == 640
+        assert glyph.linearHoriAdvance == 678528
+        assert glyph.vertBearingX == -384
+        assert glyph.vertBearingY == 64
+        assert glyph.vertAdvance == 832
+        assert glyph.bbox == (54, 0, 574, 576)
+    assert font.get_num_glyphs() == 2  # Both count as loaded.
+    # But neither has been placed anywhere.
+    assert font.get_width_height() == (0, 0)
+    assert font.get_descent() == 0
+    assert font.get_bitmap_offset() == (0, 0)
+
+
 @pytest.mark.parametrize('family_name, file_name',
                           [("WenQuanYi Zen Hei",  "wqy-zenhei.ttc"),
                            ("Noto Sans CJK JP", "NotoSansCJK.ttc"),