tests: Add a test for enum values

tests/css/parser/Makefile.am

@@ -48,6 +48,9 @@ EXTRA_DIST += \
 	does-not-exist.css \
 	does-not-exist.errors \
 	does-not-exist.ref.css \
+	enum.css \
+	enum.errors \
+	enum.ref.css \
 	import-cyclic-1.css \
 	import-cyclic-1.errors \
 	import-cyclic-1.ref.css \

tests/css/parser/enum.css

@@ -0,0 +1,32 @@
+a {
+  enum-property: in;
+}
+
+b {
+  enum-property: none;
+}
+
+c {
+  enum-property: 2;
+}
+
+d {
+  enum-property: "in";
+}
+
+e {
+  enum-property: non-existing;
+}
+
+f {
+  enum-property: "non-existing";
+}
+
+g {
+  enum-property: 34;
+}
+
+h {
+  enum-property: 12e;
+}
+

tests/css/parser/enum.errors

@@ -0,0 +1,6 @@
+enum.css:10: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
+enum.css:14: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
+enum.css:18: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
+enum.css:22: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
+enum.css:26: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
+enum.css:30: error: GTK_CSS_PROVIDER_ERROR_SYNTAX

tests/css/parser/enum.ref.css

@@ -0,0 +1,7 @@
+a {
+  enum-property: in;
+}
+
+b {
+  enum-property: none;
+}