diff --git a/testcases/alphabet.rain b/testcases/alphabet.rain
new file mode 100644
index 0000000..cd338fd
--- /dev/null
+++ b/testcases/alphabet.rain
@@ -0,0 +1,7 @@
+process main (?uint8: in, !uint8: out, !uint8: err)
+{
+	seqeach (c : ['a' .. 'z'])
+	{
+		out ! c;
+	}
+}
diff --git a/testcases/assign.rain b/testcases/assign.rain
new file mode 100644
index 0000000..2416fe9
--- /dev/null
+++ b/testcases/assign.rain
@@ -0,0 +1,7 @@
+process main (?uint8: in, !uint8: out, !uint8: err)
+{
+	int: x,y,z;
+	x = y;
+	y = z + 5;
+	x = 2;
+}