content: Add Content.ensure_blank_line()

2 files changed, 13 insertions, 0 deletions

diff --git a/rtemsspec/content.py b/rtemsspec/content.py
index 5e8da8b6..cfef89c6 100644
--- a/rtemsspec/content.py
+++ b/rtemsspec/content.py
@@ -386,6 +386,11 @@ class Content:
         """ Adds a blank line. """
         self._lines.append("")
 
+    def ensure_blank_line(self):
+        """ Ensures that the last line is blank. """
+        if not self._lines or self._lines[-1]:
+            self._lines.append("")
+
     def register_license(self, the_license: str) -> None:
         """ Registers a licence for the content. """
         licenses = re.split(r"\s+OR\s+", the_license)
diff --git a/rtemsspec/tests/test_content.py b/rtemsspec/tests/test_content.py
index de30276f..8383ca8e 100644
--- a/rtemsspec/tests/test_content.py
+++ b/rtemsspec/tests/test_content.py
@@ -178,6 +178,14 @@ def test_add_blank_line():
 """
 
 
+def test_ensure_blank_line():
+    content = Content("BSD-2-Clause", True)
+    content.ensure_blank_line()
+    content.ensure_blank_line()
+    assert str(content) == """
+"""
+
+
 def test_indent():
     content = Content("BSD-2-Clause", True)
     content.add_blank_line()