Add test_annotation_patchA_not_overridden function

dikshajangra12918-oss · apple · commit ac535a1d15c0 · 2026-04-15T04:56:40.000+05:30
Add test to verify that manually set patchA on  annotation arrow is preserved after draw.
diff --git a/lib/matplotlib/tests/test_text.py b/lib/matplotlib/tests/test_text.py
@@ -1330,4 +1330,18 @@ def test_draw_text_as_path_fallback(monkeypatch):
     subfig = fig.subfigures(3, 1, height_ratios=heights)
     _test_complex_shaping(subfig[0])
     _test_text_features(subfig[1])
-    _test_text_language(subfig[2])
+    _test_text_language(subfig[2])   
+def test_annotation_patchA_not_overridden():
+    # Test that manually setting patchA on annotation arrow is not overridden by update_positions. See GitHub issue #28316.
+    fig, ax = plt.subplots()
+    ann = ax.annotate(
+        '',
+        xy=(0.5, 0.6),
+        xytext=(0.2, 0.5),
+        arrowprops=dict(arrowstyle="->")
+    )
+    text = ax.text(0.2, 0.5, 'Text', ha='center', va='center')
+    ann.arrow_patch.set_patchA(text)
+    fig.draw_without_rendering()
+    assert ann.arrow_patch.patchA is text
+
