1 files changed, 32 insertions, 0 deletions
diff --git a/tests/test_devicetree_lexer.py b/tests/test_devicetree_lexer.py
new file mode 100644
index 0000000..e3aeb4d
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+++ b/tests/test_devicetree_lexer.py
@@ -0,0 +1,32 @@
+"""
+    Devicetree Lexer Tests
+    ~~~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import pytest
+
+from pygments.lexers.devicetree import DevicetreeLexer
+from pygments.token import Token
+
+
+@pytest.fixture(scope="module")
+def lexer():
+    yield DevicetreeLexer()
+
+
+@pytest.mark.parametrize(
+    "fragment",
+    (
+        'nodelabel: node@0 { foo = "bar"; };',
+        'nodelabel: node { foo = "bar"; };',
+        'nodelabel0: nodelabel1: node@0 { foo = "bar"; };',
+    ),
+)
+def test_fragment_out_of_root_node(lexer, fragment):
+    """Validate that a devicetree fragment out of a root node is parsed correctly."""
+
+    tokens = list(lexer.get_tokens(fragment))
+    assert all(x[0] != Token.Error for x in tokens)