diff options
Diffstat (limited to 'test/pgmnoise.test')
| -rwxr-xr-x | test/pgmnoise.test | 127 |
1 files changed, 123 insertions, 4 deletions
diff --git a/test/pgmnoise.test b/test/pgmnoise.test index 03301ce6..36f16ab0 100755 --- a/test/pgmnoise.test +++ b/test/pgmnoise.test @@ -1,7 +1,126 @@ -#! /bin/bash +#! /bin/sh # This script tests: pgmnoise -# Also requires: +# Also requires: pgmhist pamvalidate pamfile -# Should print: 1663614689 10015 (Glibc) -# 3516404574 10015 (MAC OS) +echo "Test 1." +echo "Should print: 2132901423 10015" # (Mersenne Twister) pgmnoise --randomseed=0 100 100 | cksum + + +echo "Test 2." +# Output is similar to that of Test 2. of random-generator.test +# The lowest four decimal digits are printed. + +pgmnoise --randomseed=5489 -maxval=9999 -plain 5 20 + + +echo "Test 3." +for maxval in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 255 65535 + do + echo ${maxval} + pgmnoise -maxval=${maxval} -randomseed=1 -plain 16 1 | tr '\n' ' ' + done +echo + +echo "Test 4." +# Check for maxval violation +for maxval in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 \ + 30 31 32 254 255 256 65534 65535 + do + printf "%d " ${maxval} + pgmnoise -maxval=${maxval} -randomseed=1 -plain ${maxval} 10 | \ + pamvalidate | pamfile + done + +echo "Test 5." +echo "Should print four identical lines" +# width height values do not affect random number sequence +for xysize in "1 10000" "100 100" "250 40" "1000 10" + do pgmnoise --randomseed=0 ${xysize} | pgmhist -mach | cksum + done + + +tmpdir=${tmpdir:-/tmp} +outfile=${tmpdir}/out + +echo "Test 6." +echo "First column should be 2^n - 1. Last column should be 'pool'." +# The "pool" method of generating pixvals is used iff maxval is +# a power of 2 minus 1: 1, 3, 7, 15, 31 ... + + +for maxval in \ + 1 2 3 4 5 6 7 8 9 \ + 10 11 12 13 14 15 16 17 18 19 \ + 20 21 22 23 24 25 26 27 28 29 \ + 30 31 32 33 60 61 62 63 64 65 \ + 127 255 511 1023 65535 \ + 129 142 186 219 677 1068 1788 1820 2067 2154 2301 2317 \ + 5180 5321 5596 6304 7565 9525 \ + 10501 14178 25797 27451 28653 + do + pgmnoise -maxval=${maxval} -plain -randomseed=1 -verbose 1 1 \ + > /dev/null 2> ${outfile} + awk -v mval=${maxval} '/method/ && /pool/ { print mval, $0 }' ${outfile} + rm ${outfile} + done + + +echo "Test Invalid" + +test_out=${tmpdir}/test_out + +echo 1>&2 +echo "Invalid command-line arguments." 1>&2 +echo "Error messages should appear below the line." 1>&2 +echo "-----------------------------------------------------------" 1>&2 + +pgmnoise 0 0 > ${test_out} || \ + printf "Expected failure 1 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise 0 1 > ${test_out} || \ + printf "Expected failure 2 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise 1 0 > ${test_out} || \ + printf "Expected failure 3 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise > ${test_out} || \ + printf "Expected failure 4 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise 1 > ${test_out} || \ + printf "Expected failure 5 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise 100 -1 > ${test_out} || \ + printf "Expected failure 6 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise -randomseed=-1 100 100 > ${test_out} || \ + printf "Expected failure 7 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise -maxval=-1 100 100 > ${test_out} || \ + printf "Expected failure 8 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise -maxval=0 100 100 > ${test_out} || \ + printf "Expected failure 9 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} + +pgmnoise -maxval=$((256 * 256 * 256 * 256)) 10 10 > ${test_out} || \ + printf "Expected failure 10 " + test -s ${test_out} && echo "unexpected output" || echo "(no output)" + rm -f ${test_out} |