1 files changed, 38 insertions, 0 deletions
diff --git a/tests/test_robotframework_lexer.py b/tests/test_robotframework_lexer.py
new file mode 100644
index 0000000..807fbc4
--- /dev/null
+++ b/tests/test_robotframework_lexer.py
@@ -0,0 +1,38 @@
+"""
+    Pygments Robot Framework lexer tests
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import pytest
+
+from pygments.lexers.robotframework import RobotFrameworkLexer
+
+
+@pytest.fixture(scope='module')
+def lexer():
+    yield RobotFrameworkLexer()
+
+
+def assert_same_text(lexer, text):
+    """Show that lexed text does not remove any content. """
+    tokens = list(lexer.get_tokens_unprocessed(text))
+    output = ''.join(t[2] for t in tokens)
+    assert text == output
+
+
+def test_empty_brackets_after_scalar_variable(lexer):
+    assert_same_text(lexer, '*** Variables ***\n'
+                            '${test}[]\n')
+
+
+def test_empty_brackets_after_list_variable(lexer):
+    assert_same_text(lexer, '*** Variables ***\n'
+                            '@{test}[]\n')
+
+
+def test_empty_brackets_after_dict_variable(lexer):
+    assert_same_text(lexer, '*** Variables ***\n'
+                            '&{test}[]\n')