diff --git a/tests/test_cases/expected_kdl/bare_ident_dot.kdl b/tests/test_cases/expected_kdl/bare_ident_dot.kdl
new file mode 100644
index 0000000..5c32f67
--- /dev/null
+++ b/tests/test_cases/expected_kdl/bare_ident_dot.kdl
@@ -0,0 +1 @@
+node .
\ No newline at end of file
diff --git a/tests/test_cases/expected_kdl/bare_ident_sign.kdl b/tests/test_cases/expected_kdl/bare_ident_sign.kdl
new file mode 100644
index 0000000..b609706
--- /dev/null
+++ b/tests/test_cases/expected_kdl/bare_ident_sign.kdl
@@ -0,0 +1 @@
+node +
\ No newline at end of file
diff --git a/tests/test_cases/expected_kdl/bare_ident_sign_dot.kdl b/tests/test_cases/expected_kdl/bare_ident_sign_dot.kdl
new file mode 100644
index 0000000..d50adcf
--- /dev/null
+++ b/tests/test_cases/expected_kdl/bare_ident_sign_dot.kdl
@@ -0,0 +1 @@
+node +.
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_dot.kdl b/tests/test_cases/input/bare_ident_dot.kdl
new file mode 100644
index 0000000..5c32f67
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_dot.kdl
@@ -0,0 +1 @@
+node .
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_numeric.kdl b/tests/test_cases/input/bare_ident_numeric.kdl
new file mode 100644
index 0000000..053af21
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_numeric.kdl
@@ -0,0 +1 @@
+node 0n
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_numeric_dot.kdl b/tests/test_cases/input/bare_ident_numeric_dot.kdl
new file mode 100644
index 0000000..b97afcf
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_numeric_dot.kdl
@@ -0,0 +1 @@
+node .0n
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_numeric_sign.kdl b/tests/test_cases/input/bare_ident_numeric_sign.kdl
new file mode 100644
index 0000000..6cadc35
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_numeric_sign.kdl
@@ -0,0 +1 @@
+node +0n
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_sign.kdl b/tests/test_cases/input/bare_ident_sign.kdl
new file mode 100644
index 0000000..b609706
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_sign.kdl
@@ -0,0 +1 @@
+node +
\ No newline at end of file
diff --git a/tests/test_cases/input/bare_ident_sign_dot.kdl b/tests/test_cases/input/bare_ident_sign_dot.kdl
new file mode 100644
index 0000000..d50adcf
--- /dev/null
+++ b/tests/test_cases/input/bare_ident_sign_dot.kdl
@@ -0,0 +1 @@
+node +.
\ No newline at end of file
diff --git a/tests/test_cases/input/no_integer_digit.kdl b/tests/test_cases/input/no_integer_digit.kdl
new file mode 100644
index 0000000..bac8026
--- /dev/null
+++ b/tests/test_cases/input/no_integer_digit.kdl
@@ -0,0 +1 @@
+node .1
\ No newline at end of file