added tiff2rgba tests

test/Makefile.am

@@ -56,12 +56,14 @@ TESTSCRIPTS = \
 	tiff2ps-PS3.sh \
 	tiff2ps-EPS1.sh \
 	tiff2pdf.sh \
-	tiffcrop.sh
+	tiffcrop.sh \
+	tiff2rgba.sh
 
 IMAGES = \
 	images/minisblack-1c-16b.tiff \
 	images/minisblack-1c-8b.tiff \
 	images/miniswhite-1c-1b.tiff \
+	images/miniswhite-2c-8b-alpha.tiff \
 	images/palette-1c-1b.tiff \
 	images/palette-1c-4b.tiff \
 	images/palette-1c-8b.tiff \

test/common.sh

@@ -41,6 +41,7 @@ IMG_PALETTE_1C_4B=${IMAGES}/palette-1c-4b.tiff
 IMG_PALETTE_1C_8B=${IMAGES}/palette-1c-8b.tiff
 IMG_RGB_3C_16B=${IMAGES}/rgb-3c-16b.tiff
 IMG_RGB_3C_8B=${IMAGES}/rgb-3c-8b.tiff
+IMG_MINISBLACK_2C_8B_ALPHA=${IMAGES}/minisblack-2c-8b-alpha.tiff
 
 # All uncompressed image files
 IMG_UNCOMPRESSED="${IMG_MINISBLACK_1C_16B} ${IMG_MINISBLACK_1C_8B} ${IMG_MINISWHITE_1C_1B} ${IMG_PALETTE_1C_1B} ${IMG_PALETTE_1C_4B} ${IMG_PALETTE_1C_4B} ${IMG_PALETTE_1C_8B} ${IMG_RGB_3C_8B}"

test/images/README.txt

@@ -1,4 +1,4 @@
-The test files in this directory have dimension 157x151.
+The test files in this directory mostly have dimension 157x151.
 The naming convention is
 
    photometric-channels-bits.tiff
@@ -12,4 +12,8 @@ palette-1c-8b.tiff
 rgb-3c-16b.tiff
 rgb-3c-8b.tiff
 
+minisblack-2c-8b-alpha.tiff: grey+alpha
+
+
+
 

test/tiff2rgba.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Test a few case of the RGBA interface.
+#
+. ${srcdir:-.}/common.sh
+
+
+outfile=deleteme-$$.tif
+operation=tiff2rgba
+
+for FILE in \
+    minisblack-2c-8b-alpha.tiff \
+    palette-1c-1b.tiff \
+    palette-1c-8b.tiff \
+    rgb-3c-8b.tiff \
+    minisblack-1c-8b.tiff ; do 
+
+  ${TIFF2RGBA} images/$FILE tiff2rgba-$FILE
+  status=$?
+
+  if test $status -eq 0 ; then
+    rm -f tiff2rgba-$FILE
+  else
+    echo "Test failed (${operation} returns ${status}).  Please inspect these output files:"
+    echo "  " tiff2rgba-$FILE
+  fi
+done
+
+exit $status