diff --git a/.gitignore b/.gitignore
index 2343133..6dc55bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@
 compile_commands.json
 .o
 .gz
+exp
+out
diff --git a/Makefile b/Makefile
index 4f7329a..ecc5e74 100644
--- a/Makefile
+++ b/Makefile
@@ -26,10 +26,23 @@ dist: clean
 	tar -czf $(DIST).tar.gz $(DIST)
 	rm -rf $(DIST)
 
-test:
-	@./t/basic
+check:
+	@failed=0; \
+	for f in ./t/*; do \
+	  [ "$$f" = "./t/init.sh" ] && continue; \
+	  [ -f "$$f" ] || continue; \
+	  name=$$(basename "$$f"); \
+	  sh "$$f"; rc=$$?; \
+	  if [ $$rc -eq 0 ]; then \
+	    printf '\e[0;32mPASS\e[0m: t/%s\n' "$$name"; \
+	  else \
+	    printf '\e[0;31mFAIL\e[0m: t/%s\n' "$$name"; \
+	    failed=1; \
+	  fi; \
+	done; \
+	if [ $$failed -ne 0 ]; then exit 1; fi
 
 clean:
 	rm -f $(SRC_OBJ) $(LIB_OBJ) $(BIN) *.gz
 
-.PHONY: dist clean all
+.PHONY: dist clean all check
diff --git a/t/basic b/t/basic
deleted file mode 100755
index 85d5f71..0000000
--- a/t/basic
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-. t/lib.sh
-
-check "" "tcpl: Hello, World!"
-check "foo" "tcpl: Hello, foo!"
diff --git a/t/hello-1 b/t/hello-1
new file mode 100755
index 0000000..99df9f7
--- /dev/null
+++ b/t/hello-1
@@ -0,0 +1,18 @@
+#!/bin/sh
+# Testing standard Hello
+#
+# Copyright (C) 2026 fSD
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+
+ . ./t/init.sh
+
+cat <<EOF >exp || framework_failure_
+tcpl: Hello, World!
+EOF
+./tcpl >out || fail=1
+compare exp out || fail=1
+
+exit $fail
diff --git a/t/init.sh b/t/init.sh
new file mode 100755
index 0000000..4df2287
--- /dev/null
+++ b/t/init.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+ME_=$(basename $0)
+
+framework_failure_() {
+	exit 99
+}
+
+compare() {
+  f1=${1:?file1 required}
+  f2=${2:?file2 required}
+
+  if cmp -s -- "$f1" "$f2" 2>/dev/null; then
+    return 0  # identical
+  fi
+
+  if diff -u -- "$f1" "$f2" 2>/dev/null; then
+    return 0
+  else
+    if diff -- "$f1" "$f2" 2>/dev/null; then
+      return 0
+    else
+      return 1
+    fi
+  fi
+}
diff --git a/t/lib.sh b/t/lib.sh
deleted file mode 100755
index 6b92206..0000000
--- a/t/lib.sh
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/sh
-
-scriptversion="1"
-me=$(basename "$0")
-version="$me/vxc v$scriptversion
-Copyright (C) 2026 vxc.
-This is free software; you are free to change and redistribute it.
-There is NO WARRANTY, to the extent permitted by law."
-
-usage="Usage: $me [OPTION]... <arg1> <arg2>
-Does a thing
-
-Options:
---help         print this help and exit
---version      output version information"
-
-while [ $# -gt 0 ]; do
-	case $1 in
-		--help) echo "$usage"; exit 0 ;;
-		--version) echo "$version"; exit 0 ;;
-		-*) echo "$me: Unknown option '$1'." >&2; exit 1 ;;
-		*) break ;;
-	esac
-	shift
-done
-
-width=$(tput cols 2>/dev/null || echo 80)
-
-INFO="\e[0;34m"
-RESET="\e[0m"
-OK="\e[0;32m"
-BAD="\e[0;31m"
-
-good() {
-	printf "%$((${width} + 25))s\r%s...\n" "$(echo -e "$INFO[ ${OK}ok $INFO]$RESET")" "$1"
-}
-
-fail() {
-	printf "%$((${width} + 25))s\r%s...\n" "$(echo -e "$INFO[${BAD}fail$INFO]$RESET")" "$1"
-}
-
-make -s
-
-check() {
-	expected=$2
-	output=$(./tcpl $1) || { fail "$1 (execution failed)"; return 1; }
-
-	if [ "$output" = "$expected" ]; then
-		good "./tcpl $1"
-		return 0
-	else
-		fail "./tcpl $1: unexpected: $output; wanted: $expected"
-		return 1
-	fi
-}
diff --git a/t/name-1 b/t/name-1
new file mode 100755
index 0000000..c1f585d
--- /dev/null
+++ b/t/name-1
@@ -0,0 +1,18 @@
+#!/bin/sh
+# Testing standard Hello
+#
+# Copyright (C) 2026 fSD
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+
+ . ./t/init.sh
+
+cat <<EOF >exp || framework_failure_
+tcpl: Hello, Seaman!
+EOF
+./tcpl Seaman >out || fail=1
+compare exp out || fail=1
+
+exit $fail