Add inherit as value for border-bottom-color

Added additional tests to prevent a regression
Fixes #71

Author: nschonni

src/css/Properties.js

@@ -95,7 +95,7 @@ var Properties = {
     "bookmark-target"               : "none | <uri> | <attr>",
     "border"                        : "<border-width> || <border-style> || <color>",
     "border-bottom"                 : "<border-width> || <border-style> || <color>",
-    "border-bottom-color"           : "<color>",
+    "border-bottom-color"           : "<color> | inherit",
     "border-bottom-left-radius"     :  "<x-one-radius>",
     "border-bottom-right-radius"    :  "<x-one-radius>",
     "border-bottom-style"           : "<border-style>",

tests/css/Validation.js

@@ -260,6 +260,70 @@
             "invert" : "Expected (<color> | inherit) but found 'invert'.",
         }
     }));
+   
+    suite.add(new ValidationTestCase({
+        property: "border-bottom-color",
+        
+        valid: [
+            "red",
+            "#f00",
+            "inherit",
+            "transparent"
+        ],
+        
+        invalid: {
+            "foo" : "Expected (<color> | inherit) but found 'foo'.",
+            "invert" : "Expected (<color> | inherit) but found 'invert'.",
+        }
+    }));
+   
+    suite.add(new ValidationTestCase({
+        property: "border-top-color",
+        
+        valid: [
+            "red",
+            "#f00",
+            "inherit",
+            "transparent"
+        ],
+        
+        invalid: {
+            "foo" : "Expected (<color> | inherit) but found 'foo'.",
+            "invert" : "Expected (<color> | inherit) but found 'invert'.",
+        }
+    }));
+   
+    suite.add(new ValidationTestCase({
+        property: "border-left-color",
+        
+        valid: [
+            "red",
+            "#f00",
+            "inherit",
+            "transparent"
+        ],
+        
+        invalid: {
+            "foo" : "Expected (<color> | inherit) but found 'foo'.",
+            "invert" : "Expected (<color> | inherit) but found 'invert'.",
+        }
+    }));
+   
+    suite.add(new ValidationTestCase({
+        property: "border-right-color",
+        
+        valid: [
+            "red",
+            "#f00",
+            "inherit",
+            "transparent"
+        ],
+        
+        invalid: {
+            "foo" : "Expected (<color> | inherit) but found 'foo'.",
+            "invert" : "Expected (<color> | inherit) but found 'invert'.",
+        }
+    }));
 
     suite.add(new ValidationTestCase({
         property: "border-bottom-left-radius",