[gegl/wip/rishi/my-patches: 5/8] tests: Test gegl:saturation in all natively supported formats

[Debarshi Ray <debarshir src gnome org>]

commit 20c3830bb72470b78ea085f32fcb60af534fdea5
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Nov 16 11:03:19 2017 +0100

    tests: Test gegl:saturation in all natively supported formats
    
    https://bugzilla.gnome.org/show_bug.cgi?id=790439

 tests/compositions/Makefile.am              |    1 +
 tests/compositions/reference/saturation.png |  Bin 0 -> 1171130 bytes
 tests/compositions/saturation.xml           |   89 +++++++++++++++++++++++++++
 3 files changed, 90 insertions(+), 0 deletions(-)
---
diff --git a/tests/compositions/Makefile.am b/tests/compositions/Makefile.am
index c490b3f..cfaf5e7 100644
--- a/tests/compositions/Makefile.am
+++ b/tests/compositions/Makefile.am
@@ -69,6 +69,7 @@ NO_OPENCL_TESTS =               \
   color-reduction.xml           \
   rgbe-load.xml                 \
   rgbe-save.xml                 \
+  saturation.xml                \
   shift.xml                     \
   stretch-contrast-hsv.xml      \
   pnm-raw-load.xml              \
diff --git a/tests/compositions/reference/saturation.png b/tests/compositions/reference/saturation.png
new file mode 100644
index 0000000..4118b2e
Binary files /dev/null and b/tests/compositions/reference/saturation.png differ
diff --git a/tests/compositions/saturation.xml b/tests/compositions/saturation.xml
new file mode 100644
index 0000000..0f6961c
--- /dev/null
+++ b/tests/compositions/saturation.xml
@@ -0,0 +1,89 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<gegl>
+  <node operation='gegl:over'>
+    <node operation='gegl:crop'>
+      <params>
+        <param name='x'>256.0</param>
+        <param name='y'>192.0</param>
+        <param name='width'>256.0</param>
+        <param name='height'>192.0</param>
+      </params>
+    </node>
+    <node operation='gegl:saturation'>
+      <params>
+        <param name='scale'>1.5</param>
+      </params>
+    </node>
+    <node operation='gegl:convert-format'>
+      <params>
+        <param name='format'>CIE LCH(ab) alpha float</param>
+      </params>
+    </node>
+    <clone ref='clone0'/>
+  </node>
+  <node operation='gegl:over'>
+    <node operation='gegl:crop'>
+      <params>
+        <param name='x'>0.0</param>
+        <param name='y'>192.0</param>
+        <param name='width'>256.0</param>
+        <param name='height'>192.0</param>
+      </params>
+    </node>
+    <node operation='gegl:saturation'>
+      <params>
+        <param name='scale'>1.5</param>
+      </params>
+    </node>
+    <node operation='gegl:convert-format'>
+      <params>
+        <param name='format'>CIE LCH(ab) float</param>
+      </params>
+    </node>
+    <clone ref='clone0'/>
+  </node>
+  <node operation='gegl:over'>
+    <node operation='gegl:crop'>
+      <params>
+        <param name='x'>256.0</param>
+        <param name='y'>0.0</param>
+        <param name='width'>256.0</param>
+        <param name='height'>192.0</param>
+      </params>
+    </node>
+    <node operation='gegl:saturation'>
+      <params>
+        <param name='scale'>1.5</param>
+      </params>
+    </node>
+    <node operation='gegl:convert-format'>
+      <params>
+        <param name='format'>RGBA float</param>
+      </params>
+    </node>
+    <clone ref='clone0'/>
+  </node>
+  <node operation='gegl:crop'>
+    <params>
+      <param name='x'>0.0</param>
+      <param name='y'>0.0</param>
+      <param name='width'>256.0</param>
+      <param name='height'>192.0</param>
+    </params>
+  </node>
+  <node operation='gegl:saturation'>
+    <params>
+      <param name='scale'>1.5</param>
+    </params>
+  </node>
+  <node operation='gegl:convert-format'>
+    <params>
+      <param name='format'>RGB float</param>
+    </params>
+  </node>
+  <node operation='gegl:load' id='clone0'>
+      <params>
+        <param name='path'>data/car-stack.png</param>
+      </params>
+  </node>
+</gegl>