1 files changed, 67 insertions, 0 deletions
diff --git a/tests/assert-catgets.sh b/tests/assert-catgets.sh
index e69de29..885e186 100644..100755
--- a/tests/assert-catgets.sh
+++ b/tests/assert-catgets.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+set -eu
+
+assert_sequential_ids() {
+	awk '
+		BEGIN {
+			n = 0
+		}
+
+		/^#define MSG_/ {
+			if (++n != $3) {
+				print "Bad sequential ID:"
+				printf "%s:%s:%s\n", FILENAME, NR, $0
+				printf "expected: %s\ngot:      %s\n", n, $3
+				exit 1
+			}
+		}
+	' "$1"
+}
+
+assert_consistent_msg_definitions() {
+	awk '
+		BEGIN {
+			i = 0
+			j = 0
+		}
+
+		/^#define MSG_/ {
+			defines[i++] = $2
+		}
+
+		/^\t\[MSG_/ {
+			msgs[j++] = substr($0, 3, index($0, "]") - 3)
+		}
+
+		END {
+			for (n in defines) {
+				if (defines[n] != msgs[n]) {
+					printf "Order mismatch between #define"
+					printf " and usage in MSGS[]:\n"
+					printf "#define: %s\nMSGS[]:  %s\n",
+						defines[n], msgs[n]
+					exit 1
+				}
+			}
+		}
+	' "$1"
+}
+
+assert_no_unused_msgs() {
+	DEFINES="$(mktemp)"
+	USAGES="$(mktemp)"
+	awk '/^#define MSG_/ { print $2 }' "$f" | sort > "$DEFINES"
+	awk -F'_\\(' '
+		/_\(MSG_/ { print substr($2, 0, index($2, ")") - 1) }
+	' "$f" | sort | uniq > "$USAGES"
+	if ! diff "$DEFINES" "$USAGES"; then
+		echo 'Some defined MSG_ items not being used' >&2
+		exit 1
+	fi
+}
+
+for f in "$@"; do
+	assert_sequential_ids "$f"
+	assert_consistent_msg_definitions "$f"
+	assert_no_unused_msgs "$f"
+done