A test for parsing files with different line endings.

1 files changed, 5 insertions, 2 deletions

diff --git a/test/coveragetest.py b/test/coveragetest.py
index 53f0ef0b..1e2c2431 100644
--- a/test/coveragetest.py
+++ b/test/coveragetest.py
@@ -123,11 +123,12 @@ class CoverageTest(TestCase):
         """Return the data written to stderr during the test."""
         return self.captured_stderr.getvalue()
 
-    def make_file(self, filename, text=""):
+    def make_file(self, filename, text="", newline=None):
         """Create a temp file.
 
         `filename` is the path to the file, including directories if desired,
-        and `text` is the content.
+        and `text` is the content. If `newline` is provided, it is a string
+        that will be used as the line endings in the created file.
 
         Returns the path to the file.
 
@@ -135,6 +136,8 @@ class CoverageTest(TestCase):
         # Tests that call `make_file` should be run in a temp environment.
         assert self.run_in_temp_dir
         text = textwrap.dedent(text)
+        if newline:
+            text = text.replace("\n", newline)
 
         # Make sure the directories are available.
         dirs, _ = os.path.split(filename)