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diff --git a/tests/test_directives/test_directive_patch.py b/tests/test_directives/test_directive_patch.py
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+++ b/tests/test_directives/test_directive_patch.py
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+"""Test the patched directives."""
+
+import pytest
+from docutils import nodes
+
+from sphinx.testing import restructuredtext
+from sphinx.testing.util import assert_node
+
+
+def test_code_directive(app):
+    # normal case
+    text = ('.. code::\n'
+            '\n'
+            '   print("hello world")\n')
+
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, nodes.literal_block, 'print("hello world")'])
+    assert_node(doctree[0], language="default", highlight_args={})
+
+    # with language
+    text = ('.. code:: python\n'
+            '\n'
+            '   print("hello world")\n')
+
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, nodes.literal_block, 'print("hello world")'])
+    assert_node(doctree[0], language="python", highlight_args={})
+
+    # :number-lines: option
+    text = ('.. code:: python\n'
+            '   :number-lines:\n'
+            '\n'
+            '   print("hello world")\n')
+
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, nodes.literal_block, 'print("hello world")'])
+    assert_node(doctree[0], language="python", linenos=True, highlight_args={})
+
+    # :number-lines: option
+    text = ('.. code:: python\n'
+            '   :number-lines: 5\n'
+            '\n'
+            '   print("hello world")\n')
+
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, nodes.literal_block, 'print("hello world")'])
+    assert_node(doctree[0], language="python", linenos=True, highlight_args={'linenostart': 5})
+
+
+@pytest.mark.sphinx(testroot='directive-csv-table')
+def test_csv_table_directive(app):
+    # relative path from current document
+    text = ('.. csv-table::\n'
+            '   :file: example.csv\n')
+    doctree = restructuredtext.parse(app, text, docname="subdir/index")
+    assert_node(doctree,
+                ([nodes.table, nodes.tgroup, (nodes.colspec,
+                                              nodes.colspec,
+                                              nodes.colspec,
+                                              [nodes.tbody, nodes.row])],))
+    assert_node(doctree[0][0][3][0],
+                ([nodes.entry, nodes.paragraph, "FOO"],
+                 [nodes.entry, nodes.paragraph, "BAR"],
+                 [nodes.entry, nodes.paragraph, "BAZ"]))
+
+    # absolute path from source directory
+    text = ('.. csv-table::\n'
+            '   :file: /example.csv\n')
+    doctree = restructuredtext.parse(app, text, docname="subdir/index")
+    assert_node(doctree,
+                ([nodes.table, nodes.tgroup, (nodes.colspec,
+                                              nodes.colspec,
+                                              nodes.colspec,
+                                              [nodes.tbody, nodes.row])],))
+    assert_node(doctree[0][0][3][0],
+                ([nodes.entry, nodes.paragraph, "foo"],
+                 [nodes.entry, nodes.paragraph, "bar"],
+                 [nodes.entry, nodes.paragraph, "baz"]))
+
+
+def test_math_directive(app):
+    # normal case
+    text = '.. math:: E = mc^2'
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, nodes.math_block, 'E = mc^2\n\n'])
+
+    # :name: option
+    text = ('.. math:: E = mc^2\n'
+            '   :name: eq1\n')
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, (nodes.target,
+                                           [nodes.math_block, "E = mc^2\n\n"])])
+    assert_node(doctree[1], nodes.math_block, docname='index', label="eq1", number=1)
+
+    # :label: option
+    text = ('.. math:: E = mc^2\n'
+            '   :label: eq2\n')
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, (nodes.target,
+                                           [nodes.math_block, 'E = mc^2\n\n'])])
+    assert_node(doctree[1], nodes.math_block, docname='index', label="eq2", number=2)
+
+    # :label: option without value
+    text = ('.. math:: E = mc^2\n'
+            '   :label:\n')
+    doctree = restructuredtext.parse(app, text)
+    assert_node(doctree, [nodes.document, (nodes.target,
+                                           [nodes.math_block, 'E = mc^2\n\n'])])
+    assert_node(doctree[1], nodes.math_block, ids=['equation-index-0'],
+                docname='index', label="index:0", number=3)