Improve test coverage of _split_ascii method.
diff --git a/Lib/email/test/test_email.py b/Lib/email/test/test_email.py
index d602913..5b8b7bf 100644
--- a/Lib/email/test/test_email.py
+++ b/Lib/email/test/test_email.py
@@ -750,6 +750,49 @@
Test""")
+ def test_last_split_chunk_does_not_fit(self):
+ eq = self.ndiffAssertEqual
+ h = Header('Subject: the first part of this is short, but_the_second'
+ '_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line'
+ '_all_by_itself')
+ eq(h.encode(), """\
+Subject: the first part of this is short,
+ but_the_second_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line_all_by_itself""")
+
+ def test_splittable_leading_char_followed_by_overlong_unsplitable(self):
+ eq = self.ndiffAssertEqual
+ h = Header(', but_the_second'
+ '_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line'
+ '_all_by_itself')
+ eq(h.encode(), """\
+,
+ but_the_second_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line_all_by_itself""")
+
+ def test_multiple_splittable_leading_char_followed_by_overlong_unsplitable(self):
+ eq = self.ndiffAssertEqual
+ h = Header(', , but_the_second'
+ '_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line'
+ '_all_by_itself')
+ eq(h.encode(), """\
+, ,
+ but_the_second_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line_all_by_itself""")
+
+ def test_trailing_splitable_on_overlong_unsplitable(self):
+ eq = self.ndiffAssertEqual
+ h = Header('this_part_does_not_fit_within_maxlinelen_and_thus_should_'
+ 'be_on_a_line_all_by_itself;')
+ eq(h.encode(), "this_part_does_not_fit_within_maxlinelen_and_thus_should_"
+ "be_on_a_line_all_by_itself;")
+
+ def test_trailing_splitable_on_overlong_unsplitable_with_leading_splitable(self):
+ eq = self.ndiffAssertEqual
+ h = Header('; '
+ 'this_part_does_not_fit_within_maxlinelen_and_thus_should_'
+ 'be_on_a_line_all_by_itself;')
+ eq(h.encode(), """\
+;
+ this_part_does_not_fit_within_maxlinelen_and_thus_should_be_on_a_line_all_by_itself;""")
+
def test_no_split_long_header(self):
eq = self.ndiffAssertEqual
hstr = 'References: ' + 'x' * 80