Add a test to check that all fonts can be loaded.

fonts/Makefile.am

@@ -11,3 +11,5 @@ EXTRA_DIST = $(allfonts)
 font_DATA = $(allfonts)
 fontdir = $(datadir)/figlet
 
+echo-fonts: ; echo $(allfonts)
+

test/Makefile.am

@@ -1,6 +1,6 @@
 # $Id$
 
-EXTRA_DIST = check-build
+EXTRA_DIST = check-build check-fonts
 
-TESTS = check-build
+TESTS = check-build check-fonts
 

test/check-build

@@ -8,7 +8,11 @@ ret=0
 failure=0
 for dir in src tools; do
   pushd ../$dir >/dev/null
-  for x in $(make echo-sources); do
+  for x in $(make -s echo-sources); do
+    case "$x" in
+     *.c|*.cpp|*.h|*.m) ;;
+     *) continue ;;
+    esac
     if grep '[[:space:]]$' "$x" >/dev/null 2>&1; then
       echo "error: $dir/$x contains trailing spaces"
       failure=1

test/check-fonts

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+ret=0
+
+#
+# Check that we have no tabs or trailing spaces in the source code
+#
+failure=0
+(cd ../fonts
+  for x in $(make -s echo-fonts); do
+    case "$x" in
+     *.tlf|*.flf) ;;
+     *) continue ;;
+    esac
+    echo "Checking font $x..."
+    if ../src/toilet -d ../fonts -f "$x" Hello World >/dev/null; then
+      :
+    else
+      echo "Error loading font $x"
+      failure=1
+    fi
+  done)
+if test "$failure" != "0"; then
+  ret=1
+else
+  echo "0 errors in fonts"
+fi
+
+if test "$ret" != "0"; then
+  exit 1
+fi
+
+exit 0
+