diff --git a/test/test_chordpro/invalid_content.sgc b/test/test_chordpro/invalid_content.sgc
new file mode 100644
index 00000000..768ee9ee
--- /dev/null
+++ b/test/test_chordpro/invalid_content.sgc
@@ -0,0 +1 @@
+{lang: en}
diff --git a/test/test_chordpro/invalid_content.source b/test/test_chordpro/invalid_content.source
new file mode 100644
index 00000000..4dba23a7
--- /dev/null
+++ b/test/test_chordpro/invalid_content.source
@@ -0,0 +1,3 @@
+{soc}
+Chorus
+{eoc