testsuite: Add test for pseudoclasses

They should all be printable.

testsuite/css/parser/Makefile.am

@@ -325,6 +325,7 @@ test_data = \
 	property-name-errors.css \
 	property-name-errors.errors \
 	property-name-errors.ref.css \
+	pseudo-classes-known.css \
 	pseudo-classes-unknown.css \
 	pseudo-classes-unknown.errors \
 	pseudo-classes-unknown.ref.css \

testsuite/css/parser/pseudo-classes-known.css

@@ -0,0 +1,51 @@
+:active {
+  color: red;
+}
+
+:prelight {
+  color: red;
+}
+
+:hover {
+  color: red;
+}
+
+:selected {
+  color: red;
+}
+
+:insensitive {
+  color: red;
+}
+
+:inconsistent {
+  color: red;
+}
+
+:focused {
+  color: red;
+}
+
+:focus {
+  color: red;
+}
+
+:backdrop {
+  color: red;
+}
+
+:dir(ltr) {
+  color: red;
+}
+
+:dir(rtl) {
+  color: red;
+}
+
+:link {
+  color: red;
+}
+
+:visited {
+  color: red;
+}

testsuite/css/parser/pseudo-classes-known.ref.css

@@ -0,0 +1,51 @@
+:active {
+  color: rgb(255,0,0);
+}
+
+:hover {
+  color: rgb(255,0,0);
+}
+
+:hover {
+  color: rgb(255,0,0);
+}
+
+:selected {
+  color: rgb(255,0,0);
+}
+
+:insensitive {
+  color: rgb(255,0,0);
+}
+
+:inconsistent {
+  color: rgb(255,0,0);
+}
+
+:focus {
+  color: rgb(255,0,0);
+}
+
+:focus {
+  color: rgb(255,0,0);
+}
+
+:backdrop {
+  color: rgb(255,0,0);
+}
+
+:dir(ltr) {
+  color: rgb(255,0,0);
+}
+
+:dir(rtl) {
+  color: rgb(255,0,0);
+}
+
+:link {
+  color: rgb(255,0,0);
+}
+
+:visited {
+  color: rgb(255,0,0);
+}