Add more tests.

c/Makefile

@@ -1,6 +1,11 @@
 all: escapeless
 
-test: test_moby test_all_bytes test_one_missed
+test: \
+    test_all_bytes \
+    test_moby \
+    test_one_missed \
+    test_other_unused_takeout \
+    test_unused_takeout
 
 LIB_HEADER = escapeless.h
 LIB_SRC = escapeless.c
@@ -25,6 +30,12 @@ test_moby: tester
 test_all_bytes: tester
 	./tester <$(TESTS)/all_bytes.test
 
+test_unused_takeout: tester
+	./tester <$(TESTS)/unused_takeout.test
+
+test_other_unused_takeout: tester
+	./tester <$(TESTS)/other_unused_takeout.test
+
 test_one_missed: tester
 	./escapeless encode AB <$(TESTS)/one_missed.bin | diff - $(TESTS)/one_missed.bin.encoded
 	./escapeless decode AB <$(TESTS)/one_missed.bin.encoded | diff - $(TESTS)/one_missed.bin

tests/all_bytes.test

@@ -1,5 +1,5 @@
 
-# A block that uses as much bytes as it can; with a used takeout.
+# A block that uses as much bytes as it can.
 
 # Input block.
 00..fd

tests/other_unused_takeout.test

@@ -0,0 +1,13 @@
+
+# A block that uses as much bytes as it can; with an unused
+# takeout, but this time pick the other one.
+
+# Input block.
+00..fd
+
+# Takeouts.
+ff
+
+# Encoded block. The takeout has to be mapped to an unused, which
+# is now 0xfe.
+fe 00..fd

tests/unused_takeout.test

@@ -0,0 +1,12 @@
+
+# A block that uses as much bytes as it can; with an unused
+# takeout.
+
+# Input block.
+00..fd
+
+# Takeouts.
+fe
+
+# Encoded block.
+ff 00..fd