From 092f0e6cdabf6a9b3cd61b93540e7d7330d80eae Mon Sep 17 00:00:00 2001
From: Laurent Mazet <mazet@softndesign.org>
Date: Mon, 7 Oct 2024 08:09:33 +0200
Subject: [PATCH] add tests

---
 ndisplay.c | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/ndisplay.c b/ndisplay.c
index 5b84610..f6ed0b0 100644
--- a/ndisplay.c
+++ b/ndisplay.c
@@ -128,9 +128,15 @@ int main (int argc, char *argv[])
         return 1;
     }
 
-    /* main process */
+    /* read file */
     image_t *images[MAXSCALE + 1] = {0};
     images[1] = readpnm (filename);
+    if (!images[1]) {
+        VERBOSE (ERROR, fprintf (stderr, "can't read PNM file '%s'\n", filename));
+        return 1;
+    }
+
+    /* pre-calculate expanded and shrinked images */
     for (i = 2; i <= MAXSCALE; i++) {
         images[i] = shrinkimage (images[1], i);
     }
@@ -262,17 +268,35 @@ int main (int argc, char *argv[])
 
     /* cleaning before quiting */
     endwin ();
-    for (i = 0; i <= scale; i++) {
+    for (i = 0; i <= MAXSCALE; i++) {
         freeimage (images[i]);
     }
 
     return 0;
 }
 
+/* test: ndisplay.exe 2>&1 | grep 'no file specified' */
 /* test: ndisplay.exe -h | grep usage */
-/* test: ndisplay.exe -s 2>&1 | grep 'no scale' */
-/* test: ndisplay.exe -s 4 2>&1 | grep incorrect */
 /* test: ndisplay.exe -v 2>&1 | grep missing */
-/* test: ndisplay.exe _ 2>&1 | grep invalid */
+/* test: ndisplay.exe image/bogus1.ppm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus2.ppm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus3.pbm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus4.pbm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus5.pbm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus6.pbm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus7.pbm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus8.pgm 2>&1 | grep "can't read PNM file" */
+/* test: ndisplay.exe image/bogus9.pbm 2>&1 | grep "can't read PNM file" */
+/* test: { echo kkkk; sleep 1; echo i; sleep 1; echo q; } | ndisplay.exe image/laurent4p.pbm */
+/* test: { echo u; sleep 1; echo lll; sleep 1; echo j; sleep 1; echo q; } | ndisplay.exe image/laurent4p.pgm */
+/* test: { echo o; sleep 1; echo o; sleep 1; echo q; } | ndisplay.exe image/laurent4p.ppm */
+/* test: { echo oooo; sleep 1; echo u; sleep 1; echo q; } | ndisplay.exe image/laurent4.pbm */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/laurent4.pgm */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/laurent4b.pgm */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/laurent4.ppm -g 1.2:3:1 */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/debian.ppm -v 3 */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/debian.ppm -g 4 */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/python3.ppm -t */
+/* test: { sleep 1; echo q; } | ndisplay.exe image/python3.ppm -w */
 
 /* vim: set ts=4 sw=4 et: */
-- 
2.30.2