diff --git a/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl b/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl
new file mode 100644
index 0000000..69b88ca
--- /dev/null
+++ b/tests/test_cases/expected_kdl/multiline_string_whitespace_only.kdl
@@ -0,0 +1 @@
+node "" "" "   \n"
diff --git a/tests/test_cases/input/multiline_string_whitespace_only.kdl b/tests/test_cases/input/multiline_string_whitespace_only.kdl
new file mode 100644
index 0000000..72039c2
--- /dev/null
+++ b/tests/test_cases/input/multiline_string_whitespace_only.kdl
@@ -0,0 +1,12 @@
+// This file deliberately contains unusual whitespace
+// the first two strings are empty
+node """
+  	""" """
+ 	 \
+             
+ 	 """ \
+    \ // The next string contains only whitespace
+    """
+       
+
+    """
diff --git a/tests/test_cases/input/slashdash_after_type_fail.kdl b/tests/test_cases/input/slashdash_after_type_fail.kdl
new file mode 100644
index 0000000..32d8a82
--- /dev/null
+++ b/tests/test_cases/input/slashdash_after_type_fail.kdl
@@ -0,0 +1 @@
+node (type) /- arg1 arg2
diff --git a/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl b/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl
new file mode 100644
index 0000000..8106b55
--- /dev/null
+++ b/tests/test_cases/input/slashdash_between_child_blocks_fail.kdl
@@ -0,0 +1 @@
+node { one } /- { two } { three }
diff --git a/tests/test_cases/input/slashdash_in_prop_fail.kdl b/tests/test_cases/input/slashdash_in_prop_fail.kdl
new file mode 100644
index 0000000..241e2e9
--- /dev/null
+++ b/tests/test_cases/input/slashdash_in_prop_fail.kdl
@@ -0,0 +1 @@
+node key /- = value