test: check it toml files with \r endings are ok. #1196

tests/test_config.py

@@ -94,6 +94,21 @@ def test_toml_config_file(self) -> None:
         assert cov.config.fail_under == 90.5
         assert cov.config.get_plugin_options("plugins.a_plugin") == {"hello": "world"}
 
+    def test_toml_config_file_weird_endings(self) -> None:
+        # A pyproject.toml file will be read into the configuration.
+        self.make_file("pyproject.toml", """\
+            [tool.coverage.run]
+            timid = true
+            [tool.coverage.report]
+            precision = 3
+            [tool.coverage.html]
+            title = "tabblo & «ταБЬℓσ»"
+            """, newline="\r")
+        cov = coverage.Coverage()
+        assert cov.config.timid
+        assert cov.config.precision == 3
+        assert cov.config.html_title == "tabblo & «ταБЬℓσ»"
+
     def test_toml_ints_can_be_floats(self) -> None:
         # Test that our class doesn't reject integers when loading floats
         self.make_file("pyproject.toml", """\