diff --git a/unittests/block_start.chai b/unittests/block_start.chai
new file mode 100644
index 00000000..4830af1f
--- /dev/null
+++ b/unittests/block_start.chai
@@ -0,0 +1 @@
+{print("hello")}
diff --git a/unittests/block_start.txt b/unittests/block_start.txt
new file mode 100644
index 00000000..ce013625
--- /dev/null
+++ b/unittests/block_start.txt
@@ -0,0 +1 @@
+hello
diff --git a/unittests/number_formats.chai b/unittests/number_formats.chai
new file mode 100644
index 00000000..4fd4de5a
--- /dev/null
+++ b/unittests/number_formats.chai
@@ -0,0 +1,2 @@
+print(012)
+print(0x1f)
diff --git a/unittests/number_formats.txt b/unittests/number_formats.txt
new file mode 100644
index 00000000..3bcaedb7
--- /dev/null
+++ b/unittests/number_formats.txt
@@ -0,0 +1,2 @@
+10
+31