1 files changed, 41 insertions, 0 deletions
diff --git a/04/test.scm b/04/test.scm
new file mode 100644
index 0000000..564016a
--- /dev/null
+++ b/04/test.scm
@@ -0,0 +1,41 @@
+(import (chezscheme))
+
+; Where the magic happens
+(import (lib))
+
+; My quick-and-dirty unit testing framework (copied for each day)
+(define (run-test name proc input expected)
+  (let ((result (proc input)))
+    (if (= result expected)
+      (printf "\x1b;[32;1mPASS\x1b;[0m: ~a\n"
+              name)
+      (printf "\x1b;[31;1mFAIL\x1b;[0m: ~a: got ~a, expected ~a\n"
+              name result expected))))
+
+(printf "Part 1 tests:\n")
+
+(define (test-part1 name input expected)
+  (run-test name solve-part1 input expected))
+
+(test-part1 "part 1 example 1"
+            '("aa bb cc dd ee") 1)
+(test-part1 "part 1 example 2"
+            '("aa bb cc dd aa") 0)
+(test-part1 "part 1 example 3"
+            '("aa bb cc dd aaa") 1)
+
+(printf "Part 2 tests:\n")
+
+(define (test-part2 name input expected)
+  (run-test name solve-part2 input expected))
+
+(test-part2 "part 2 example 1"
+            '("abcde fghij") 1)
+(test-part2 "part 2 example 2"
+            '("abcde xyz ecdab") 0)
+(test-part2 "part 2 example 3"
+            '("a ab abc abd abf abj") 1)
+(test-part2 "part 2 example 4"
+            '("iiii oiii ooii oooi oooo") 1)
+(test-part2 "part 2 example 5"
+            '("oiii ioii iioi iiio") 0)