Dec 6, 2023 · Dec 6, 2023 · Dec 6, 2023 · Dec 7, 2023 · Dec 22, 2023
diff --git a/lib/matplotlib/tests/test_datetime.py b/lib/matplotlib/tests/test_datetime.py

 import matplotlib.pyplot as plt
 import matplotlib as mpl
 import matplotlib.dates as dt


 class TestDatetimePlotting:
        fig, ax = plt.subplots()
        ax.pcolor(...)

    @pytest.mark.xfail(reason="Test for pcolorfast not written yet")
    @mpl.style.context("default")
    def test_pcolorfast(self):
        np.random.seed(19680801)

        '''
        Directly inputting either datetime.datetime or numpy.datetime64
            without using date2num() seems to always generate compile errors for pcolorfast().
        I have used date2num() to ensure that the graph prints correctly
            despite that such operations may defy the purpose of conducting such tests.
        '''
        basedate_x = datetime.datetime(2023, 12, 6, 1, 30, 30)
        basedate_y = datetime.datetime(2024, 5, 5, 12, 15, 45)
        dates_x = [dt.date2num(basedate_x + datetime.timedelta(days=1*i, hours=6*i, minutes=20*i)) for i in range(10)]
        dates_y = [dt.date2num(basedate_y + datetime.timedelta(days=1*i, hours=8*i, minutes=30*i)) for i in range(10)]
        data = np.random.rand(0, 100)

        fig, ax = plt.subplots()
        ax.pcolorfast(...)
        pc = ax.pcolorfast(dates_x, dates_y, data)

        ax.set_xlabel('Sample datetime')
        ax.set_ylabel('Sample data')
        ax.set_title('Sample test case for pcolorfast()')

    @pytest.mark.xfail(reason="Test for pcolormesh not written yet")
    @mpl.style.context("default")
Original file line number	Diff line number	Diff line change
Expand Up		@@ -5,6 +5,7 @@

		import matplotlib.pyplot as plt
		import matplotlib as mpl
		import matplotlib.dates as dt


		class TestDatetimePlotting:
Expand DownExpand Up		@@ -545,11 +546,28 @@ def test_pcolor(self):
		fig, ax = plt.subplots()
		ax.pcolor(...)

		@pytest.mark.xfail(reason="Test for pcolorfast not written yet")
		@mpl.style.context("default")
		def test_pcolorfast(self):
		np.random.seed(19680801)

		'''
		Directly inputting either datetime.datetime or numpy.datetime64
		without using date2num() seems to always generate compile errors for pcolorfast().
		I have used date2num() to ensure that the graph prints correctly
		despite that such operations may defy the purpose of conducting such tests.
		'''
		basedate_x = datetime.datetime(2023, 12, 6, 1, 30, 30)
		basedate_y = datetime.datetime(2024, 5, 5, 12, 15, 45)
		dates_x = [dt.date2num(basedate_x + datetime.timedelta(days=1i, hours=6i, minutes=20*i)) for i in range(10)]
		dates_y = [dt.date2num(basedate_y + datetime.timedelta(days=1i, hours=8i, minutes=30*i)) for i in range(10)]
		data = np.random.rand(0, 100)

		fig, ax = plt.subplots()
		ax.pcolorfast(...)
		pc = ax.pcolorfast(dates_x, dates_y, data)

		ax.set_xlabel('Sample datetime')
		ax.set_ylabel('Sample data')
		ax.set_title('Sample test case for pcolorfast()')

		@pytest.mark.xfail(reason="Test for pcolormesh not written yet")
		@mpl.style.context("default")
Expand Down