1 files changed, 23 insertions, 0 deletions

diff --git a/test/src/xfaces-tests.el b/test/src/xfaces-tests.el
index 5ed16c9e51d..34cda07e5b4 100644
--- a/test/src/xfaces-tests.el
+++ b/test/src/xfaces-tests.el
@@ -24,4 +24,27 @@
   (should (equal (color-distance "#222222" "#ffffff")
                  (color-distance "#ffffff" "#222222"))))
 
+(ert-deftest xfaces-internal-color-values-from-color-spec ()
+  (should (equal (internal-color-values-from-color-spec "#f05")
+                 '(#xffff #x0000 #x5555)))
+  (should (equal (internal-color-values-from-color-spec "#1fb0C5")
+                 '(#x1f1f #xb0b0 #xc5c5)))
+  (should (equal (internal-color-values-from-color-spec "#1f8b0AC5e")
+                 '(#x1f81 #xb0aa #xc5eb)))
+  (should (equal (internal-color-values-from-color-spec "#1f83b0ADC5e2")
+                 '(#x1f83 #xb0ad #xc5e2)))
+  (should (equal (internal-color-values-from-color-spec "#1f83b0ADC5e2g") nil))
+  (should (equal (internal-color-values-from-color-spec "#1f83b0ADC5e20") nil))
+  (should (equal (internal-color-values-from-color-spec "#12345") nil))
+  (should (equal (internal-color-values-from-color-spec "rgb:f/23/28a")
+                 '(#xffff #x2323 #x28a2)))
+  (should (equal (internal-color-values-from-color-spec "rgb:1234/5678/09ab")
+                 '(#x1234 #x5678 #x09ab)))
+  (should (equal (internal-color-values-from-color-spec "rgb:0//0") nil))
+  (should (equal (internal-color-values-from-color-spec "rgbi:0/0.5/0.1")
+                 '(0 32768 6554)))
+  (should (equal (internal-color-values-from-color-spec "rgbi:1e-3/1.0e-2/1e0")
+                 '(66 655 65535)))
+  (should (equal (internal-color-values-from-color-spec "rgbi:0/0.5/10") nil)))
+
 (provide 'xfaces-tests)