about summary refs log tree commit diff
path: root/test/ppmbrighten.test
blob: e346d1d0dc543a94de284b5ca0a7fdc4f664d5b2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#! /bin/sh
# This script tests: ppmbrighten
# Also requires: pnmnorm pambrighten pamsumm 

# Failure message
## Ppmbrighten is sensitive to subtle differences in floating point math.
## If this test fails, please run the program and visually examine
## the output.

echo "Test 1: Should print 1969633344 101484"

ppmbrighten -v 100 testimg.ppm | cksum

echo "Test 2: Should print 295150171 101484"

ppmbrighten -s 100 -v -50 testimg.ppm | cksum

echo "Test 3: Should print 1"

ppmbrighten -v 100 -normalize testimg.ppm | pamsumm --mean | \
 awk '{print ($NF > 132.0) && ($NF < 132.2)}'

echo "Invalid command-line argument combinations." 1>&2
echo "Error messages should appear below the line." 1>&2
echo "-----------------------------------------------------------" 1>&2

echo "Test Error: Should print 1 four times"

tmpdir=${tmpdir:-/tmp}
output_ppm=${tmpdir}/output.ppm

pambrighten -v -120 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?
pambrighten -s -120 testimg.ppm > ${output_ppm}
echo $?
test -s ${output_ppm}
echo $?

rm ${output_ppm}