From c0a8334d98ace4de8cd8697b20f1dd5d71f9d9f4 Mon Sep 17 00:00:00 2001
From: Keith Lazuka <klazuka@gmail.com>
Date: Fri, 25 Sep 2009 09:34:29 -0400
Subject: [PATCH] images.gif: added more tests

---
 extra/images/gif/gif-tests.factor             |  51 ++++++++++++++++--
 extra/images/testing/alpha.gif                | Bin 0 -> 44 bytes
 extra/images/testing/astronaut_animation.gif  | Bin 0 -> 10316 bytes
 .../{check-256-colors.gif => checkmark.gif}   | Bin
 .../testing/{symbol-word.gif => circle.gif}   | Bin
 5 files changed, 47 insertions(+), 4 deletions(-)
 create mode 100644 extra/images/testing/alpha.gif
 create mode 100644 extra/images/testing/astronaut_animation.gif
 rename extra/images/testing/{check-256-colors.gif => checkmark.gif} (100%)
 rename extra/images/testing/{symbol-word.gif => circle.gif} (100%)

diff --git a/extra/images/gif/gif-tests.factor b/extra/images/gif/gif-tests.factor
index 609f98c693..b62565ffbc 100644
--- a/extra/images/gif/gif-tests.factor
+++ b/extra/images/gif/gif-tests.factor
@@ -2,7 +2,7 @@
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors bitstreams compression.lzw-gif images.gif io
 io.encodings.binary io.files kernel math math.bitwise
-math.parser namespaces prettyprint sequences tools.test ;
+math.parser namespaces prettyprint sequences tools.test images.viewer ;
 QUALIFIED-WITH: bitstreams bs
 IN: images.gif.tests
 
@@ -10,10 +10,10 @@ IN: images.gif.tests
     binary [ input-stream get load-gif ] with-file-reader ;
 
 : gif-example1 ( -- loading-gif )
-    "resource:extra/images/testing/symbol-word.gif" path>gif ;
+    "resource:extra/images/testing/circle.gif" path>gif ;
 
 : gif-example2 ( -- loading-gif )
-    "resource:extra/images/testing/check-256-colors.gif" path>gif ;
+    "resource:extra/images/testing/checkmark.gif" path>gif ;
 
 : gif-example3 ( -- loading-gif )
     "resource:extra/images/testing/monochrome.gif" path>gif ;
@@ -21,8 +21,21 @@ IN: images.gif.tests
 : gif-example4 ( -- loading-gif )
     "resource:extra/images/testing/noise.gif" path>gif ;
 
+: gif-example5 ( -- loading-gif )
+    "resource:extra/images/testing/alpha.gif" path>gif ;
+
+: gif-example6 ( -- loading-gif )
+    "resource:extra/images/testing/astronaut_animation.gif" path>gif ;
+
+: gif-all. ( -- )
+    {
+        gif-example1 gif-example2 gif-example3 gif-example4 gif-example5
+        gif-example6
+    }
+    [ execute( -- gif ) loading-gif>image image. ] each ;
+
 : declared-num-colors ( gif -- n ) flags>> 3 bits 1 + 2^ ;
-: actual-num-colors ( gif -- n ) global-color-table>> length 3 /i ;
+: actual-num-colors ( gif -- n ) global-color-table>> length ;
 
 [ 16 ] [ gif-example1 actual-num-colors ] unit-test
 [ 16 ] [ gif-example1 declared-num-colors ] unit-test
@@ -49,4 +62,34 @@ IN: images.gif.tests
     }
 ] [ gif-example3 >index-stream ] unit-test
 
+[
+    B{
+        255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255
+        0 0 0 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0 255
+        0 0 0 255 0 0 0 255 255 255 255 255 255 255 255 255 0 0 0 255 0 0 0 255
+        0 0 0 255 0 0 0 255 0 0 0 255 0 0 0 255 0 0 0 255 0 0 0 255
+        0 0 0 255 255 255 255 255 0 0 0 255 0 0 0 255 255 255 255 255 0 0 0 255
+        0 0 0 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 255 0 0 0 255
+    }
+] [ gif-example3 loading-gif>image bitmap>> ] unit-test
 
+[
+    BV{
+        0 1
+        1 0
+    }
+] [ gif-example5 >index-stream ] unit-test
+
+[
+    B{
+        255 000 000 255     000 000 000 000
+        000 000 000 000     255 000 000 255
+    }
+] [ gif-example5 loading-gif>image bitmap>> ] unit-test
+
+[ 100 ] [ gif-example1 >index-stream length ] unit-test
+[ 870 ] [ gif-example2 >index-stream length ] unit-test
+[ 16384 ] [ gif-example4 >index-stream length ] unit-test
+
+! example6 is a GIF animation and the first frame contains 1768 pixels
+[ 1768 ] [ gif-example6 >index-stream length ] unit-test
diff --git a/extra/images/testing/alpha.gif b/extra/images/testing/alpha.gif
new file mode 100644
index 0000000000000000000000000000000000000000..c4c38bdaf02a8625fbdbdde2796402d669449261
GIT binary patch
literal 44
scmZ?wbhEHbWMW`qXkcXc&j137KUo+V7#JCJKpc<^0~50g6Dxx?0F_V$2mk;8

literal 0
HcmV?d00001

diff --git a/extra/images/testing/astronaut_animation.gif b/extra/images/testing/astronaut_animation.gif
new file mode 100644
index 0000000000000000000000000000000000000000..8c768480fea417aa54f0a60ca54711bf28c2f8f2
GIT binary patch
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diff --git a/extra/images/testing/check-256-colors.gif b/extra/images/testing/checkmark.gif
similarity index 100%
rename from extra/images/testing/check-256-colors.gif
rename to extra/images/testing/checkmark.gif
diff --git a/extra/images/testing/symbol-word.gif b/extra/images/testing/circle.gif
similarity index 100%
rename from extra/images/testing/symbol-word.gif
rename to extra/images/testing/circle.gif