From dd19976c2d96e693a5b1b139900f5ab2114571ca Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Wed, 6 Dec 2023 16:08:14 -0500
Subject: [PATCH 1/3] TST: adding tests of current clear behavior on ticks

closes #23839
---
 lib/matplotlib/tests/test_axes.py | 40 +++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index d5424f80c9e9..37be1911d8e8 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -8898,3 +8898,43 @@ def test_axhvlinespan_interpolation():
     ax.axhline(1, c="C0", alpha=.5)
     ax.axhspan(.8, .9, fc="C1", alpha=.5)
     ax.axhspan(.6, .7, .8, .9, fc="C2", alpha=.5)
+
+
+@check_figures_equal(extensions=["png"])
+@pytest.mark.parametrize("which", ("x", "y"))
+def test_axes_clear_behavior(fig_ref, fig_test, which):
+    ax_test = fig_test.subplots()
+    ax_ref = fig_ref.subplots()
+    target = {
+        "direction": "in",
+        "length": 10,
+        "width": 10,
+        "color": "xkcd:wine red",
+        "pad": 0,
+        "labelfontfamily": "serif",
+        "zorder": 7,
+        "labelrotation": 45,
+        "labelcolor": "xkcd:shocking pink",
+        # this overrides color + labelcolor, skip
+        # colors: ,
+        "grid_color": "xkcd:fluorescent green",
+        "grid_alpha": 0.5,
+        "grid_linewidth": 3,
+        "grid_linestyle": ":",
+        "bottom": False,
+        "top": True,
+        "left": False,
+        "right": True,
+        "labelbottom": True,
+        "labeltop": True,
+        "labelleft": True,
+        "labelright": True,
+    }
+
+    ax_ref.tick_params(axis=which, **target)
+
+    ax_test.tick_params(axis=which, **target)
+    ax_test.clear()
+
+    ax_ref.grid(True)
+    ax_test.grid(True)

From ff470cfb57eeecad6e08e1bcb61512e22bba3c33 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Wed, 6 Mar 2024 16:09:13 -0500
Subject: [PATCH 2/3] DOC: update comments and docstrings

Co-authored-by: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
---
 lib/matplotlib/tests/test_axes.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 37be1911d8e8..73a3ead26ea0 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -8903,8 +8903,11 @@ def test_axhvlinespan_interpolation():
 @check_figures_equal(extensions=["png"])
 @pytest.mark.parametrize("which", ("x", "y"))
 def test_axes_clear_behavior(fig_ref, fig_test, which):
+    """Test that the given tick params are not reset by ax.clear()."""
     ax_test = fig_test.subplots()
     ax_ref = fig_ref.subplots()
+    # the following tick params values are chosen to each create a visual difference
+    # from their defaults 
     target = {
         "direction": "in",
         "length": 10,

From 5bc7c6727ea92ef5e962b4df2f262aa75a7293e7 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <git@ksunden.space>
Date: Wed, 6 Mar 2024 15:33:17 -0600
Subject: [PATCH 3/3] Update lib/matplotlib/tests/test_axes.py

---
 lib/matplotlib/tests/test_axes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 73a3ead26ea0..2751273db3d9 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -8907,7 +8907,7 @@ def test_axes_clear_behavior(fig_ref, fig_test, which):
     ax_test = fig_test.subplots()
     ax_ref = fig_ref.subplots()
     # the following tick params values are chosen to each create a visual difference
-    # from their defaults 
+    # from their defaults
     target = {
         "direction": "in",
         "length": 10,