Improved tests to cover StringReadPPM properly.

1 files changed, 65 insertions, 0 deletions

diff --git a/tests/imgPPM.test b/tests/imgPPM.test
index 926dbec..8dec8c2 100644
--- a/tests/imgPPM.test
+++ b/tests/imgPPM.test
@@ -156,6 +156,71 @@ test imgPPM-4.1 {StringReadPPM procedure, data too short [Bug 1822391]} \
     } \
     -returnCodes error \
     -result {truncated PPM data}
+
+test imgPPM-5.1 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n0 256\n255\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has dimension(s) <= 0}
+test imgPPM-5.2 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n-2 256\n255\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has dimension(s) <= 0}
+test imgPPM-5.3 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n10 0\n255\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has dimension(s) <= 0}
+test imgPPM-5.4 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n10 -2\n255\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has dimension(s) <= 0}
+test imgPPM-5.5 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n10 20\n100000\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has bad maximum intensity value 100000}
+test imgPPM-5.6 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n10 20\n0\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {PPM image data has bad maximum intensity value 0}
+test imgPPM-5.7 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n10 10\n255\nabcdef"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {truncated PPM data}
+test imgPPM-5.8 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n5 4\n255\n01234567890123456789012345678901234567890123456789012345678"
+} -returnCodes error -cleanup {
+    image delete ppm
+} -result {truncated PPM data}
+test imgPPM-5.9 {StringReadPPM procedure} -setup {
+    image create photo ppm
+} -body {
+    ppm put "P6\n5 4\n150\n012345678901234567890123456789012345678901234567890123456789"
+    list [image width ppm] [image height ppm]
+} -cleanup {
+    image delete ppm
+} -result {5 4}
 
 eval image delete [image names]