add tests for #55

tests/test_matplotlib.py

@@ -94,3 +94,29 @@ def test_destroy(selenium_standalone_matplotlib):
     plt.plot([1, 2, 3])
     plt.show()
     plt.close()
+
+
+@matplotlib_test_decorator
+@run_in_pyodide(packages=["matplotlib"])
+def test_call_close_multi_times(selenium_standalone_matplotlib):
+    from matplotlib import pyplot as plt
+
+    plt.figure()
+    plt.plot([1, 2, 3])
+    plt.show()
+    plt.close()
+    plt.close()
+
+
+@matplotlib_test_decorator
+@run_in_pyodide(packages=["matplotlib"])
+def test_call_show_and_close_multi_times(selenium_standalone_matplotlib):
+    from matplotlib import pyplot as plt
+
+    plt.figure()
+    plt.plot([1, 2, 3])
+    plt.show()
+    plt.close()
+    plt.plot([1, 2, 3])
+    plt.show()
+    plt.close()