Add files missing from commit 2 days ago

git-svn-id: https://svn.code.sf.net/p/netpbm/code/trunk@2135 9d0c8265-081b-0410-96cb-a4ca84ce46f8

Author: giraffedata

test/ppmrelief.ok

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+3637356697 688
+3979143778 780
+2954951371 780

test/ppmrelief.test

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+#! /bin/bash
+# This script tests: ppmrelief
+# Also requires: pbmmake pgmramp pamflip
+
+  alias ppmrelief="${PBM_TESTPREFIX}ppmrelief"
+  alias pbmmake="${PBM_BINPREFIX}pbmmake"
+  alias pgmramp="${PBM_BINPREFIX}pgmramp"
+  alias pamflip="${PBM_BINPREFIX}pamflip"
+  shopt -s expand_aliases
+
+# Test 1.  Should print 3637356697 688
+pbmmake -w 15 15 | ppmrelief | cksum
+
+# Test 2.  Should print 3979143778 780
+pgmramp -diagonal -maxval=30 16 16 | ppmrelief | cksum
+
+# Test 3.  Should print 2954951371 780
+pgmramp -diagonal -maxval=30 16 16 | pamflip -lr | ppmrelief | cksum
+
+
+# pgmramp -diagonal -maxval=30 16 16 | ppmrelief | ppmtopgm -plain
+
+# P2
+# 16 16
+# 30
+# 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 14 14 14 14 14 14 14 14 14 14 14 14 14 14 0
+# 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
+