1 files changed, 91 insertions, 0 deletions
diff --git a/servo/tests/unit/style/parsing/effects.rs b/servo/tests/unit/style/parsing/effects.rs
new file mode 100644
index 0000000000..faf1126efa
--- /dev/null
+++ b/servo/tests/unit/style/parsing/effects.rs
@@ -0,0 +1,91 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use parsing::parse;
+use style::properties::longhands::{perspective_origin, transform_origin};
+use style_traits::ToCss;
+
+#[test]
+fn test_clip() {
+    use style::properties::longhands::clip;
+
+    assert_roundtrip_with_context!(clip::parse, "auto");
+    assert_roundtrip_with_context!(clip::parse, "rect(1px, 2px, 3px, 4px)");
+    assert_roundtrip_with_context!(clip::parse, "rect(1px, auto, auto, 4px)");
+    assert_roundtrip_with_context!(clip::parse, "rect(auto, auto, auto, auto)");
+
+    // Non-standard syntax
+    assert_roundtrip_with_context!(clip::parse,
+                                   "rect(1px 2px 3px 4px)",
+                                   "rect(1px, 2px, 3px, 4px)");
+    assert_roundtrip_with_context!(clip::parse,
+                                   "rect(auto 2px 3px auto)",
+                                   "rect(auto, 2px, 3px, auto)");
+    assert_roundtrip_with_context!(clip::parse,
+                                   "rect(1px auto auto 4px)",
+                                   "rect(1px, auto, auto, 4px)");
+    assert_roundtrip_with_context!(clip::parse,
+                                   "rect(auto auto auto auto)",
+                                   "rect(auto, auto, auto, auto)");
+}
+
+#[test]
+fn test_effects_parser_exhaustion() {
+    assert_parser_exhausted!(perspective_origin::parse, "1px 1px", true);
+    assert_parser_exhausted!(transform_origin::parse, "1px 1px", true);
+
+    assert_parser_exhausted!(perspective_origin::parse, "1px some-rubbish", false);
+    assert_parser_exhausted!(transform_origin::parse, "1px some-rubbish", false);
+}
+
+#[test]
+fn test_parse_factor() {
+    use parsing::parse;
+    use style::properties::longhands::filter;
+
+    assert!(parse(filter::parse, "brightness(0)").is_ok());
+    assert!(parse(filter::parse, "brightness(55)").is_ok());
+    assert!(parse(filter::parse, "brightness(100)").is_ok());
+
+    assert!(parse(filter::parse, "contrast(0)").is_ok());
+    assert!(parse(filter::parse, "contrast(55)").is_ok());
+    assert!(parse(filter::parse, "contrast(100)").is_ok());
+
+    assert!(parse(filter::parse, "grayscale(0)").is_ok());
+    assert!(parse(filter::parse, "grayscale(55)").is_ok());
+    assert!(parse(filter::parse, "grayscale(100)").is_ok());
+
+    assert!(parse(filter::parse, "invert(0)").is_ok());
+    assert!(parse(filter::parse, "invert(55)").is_ok());
+    assert!(parse(filter::parse, "invert(100)").is_ok());
+
+    assert!(parse(filter::parse, "opacity(0)").is_ok());
+    assert!(parse(filter::parse, "opacity(55)").is_ok());
+    assert!(parse(filter::parse, "opacity(100)").is_ok());
+
+    assert!(parse(filter::parse, "sepia(0)").is_ok());
+    assert!(parse(filter::parse, "sepia(55)").is_ok());
+    assert!(parse(filter::parse, "sepia(100)").is_ok());
+
+    assert!(parse(filter::parse, "saturate(0)").is_ok());
+    assert!(parse(filter::parse, "saturate(55)").is_ok());
+    assert!(parse(filter::parse, "saturate(100)").is_ok());
+
+    // Negative numbers are invalid for certain filters
+    assert!(parse(filter::parse, "brightness(-1)").is_err());
+    assert!(parse(filter::parse, "contrast(-1)").is_err());
+    assert!(parse(filter::parse, "grayscale(-1)").is_err());
+    assert!(parse(filter::parse, "invert(-1)").is_err());
+    assert!(parse(filter::parse, "opacity(-1)").is_err());
+    assert!(parse(filter::parse, "sepia(-1)").is_err());
+    assert!(parse(filter::parse, "saturate(-1)").is_err());
+}
+
+#[test]
+fn blur_radius_should_not_accept_negavite_values() {
+    use style::properties::longhands::box_shadow;
+    assert!(parse(box_shadow::parse, "1px 1px -1px").is_err());// for -ve values
+    assert!(parse(box_shadow::parse, "1px 1px 0").is_ok());// for zero
+    assert!(parse(box_shadow::parse, "1px 1px 1px").is_ok());// for +ve value
+}