1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5 use parsing::parse;
6 use style::properties::longhands::transition_timing_function;
7 use style_traits::ToCss;
8
9 #[test]
test_cubic_bezier()10 fn test_cubic_bezier() {
11 assert_roundtrip_with_context!(transition_timing_function::parse, "cubic-bezier(0, 0, 0, 0)");
12 assert_roundtrip_with_context!(transition_timing_function::parse, "cubic-bezier(0.25, 0, 0.5, 0)");
13 assert_roundtrip_with_context!(transition_timing_function::parse, "cubic-bezier(1, 1, 1, 1)");
14
15 // p1x and p2x values must be in range [0, 1]
16 assert!(parse(transition_timing_function::parse, "cubic-bezier(-1, 0, 0, 0").is_err());
17 assert!(parse(transition_timing_function::parse, "cubic-bezier(0, 0, -1, 0").is_err());
18 assert!(parse(transition_timing_function::parse, "cubic-bezier(-1, 0, -1, 0").is_err());
19
20 assert!(parse(transition_timing_function::parse, "cubic-bezier(2, 0, 0, 0").is_err());
21 assert!(parse(transition_timing_function::parse, "cubic-bezier(0, 0, 2, 0").is_err());
22 assert!(parse(transition_timing_function::parse, "cubic-bezier(2, 0, 2, 0").is_err());
23 }
24
25 #[test]
test_steps()26 fn test_steps() {
27 assert_roundtrip_with_context!(transition_timing_function::parse, "steps(1)");
28 assert_roundtrip_with_context!(transition_timing_function::parse, "steps( 1)", "steps(1)");
29 assert_roundtrip_with_context!(transition_timing_function::parse, "steps(1, start)");
30 assert_roundtrip_with_context!(transition_timing_function::parse, "steps(2, end) ", "steps(2)");
31
32 // Step interval value must be an integer greater than 0
33 assert!(parse(transition_timing_function::parse, "steps(0)").is_err());
34 assert!(parse(transition_timing_function::parse, "steps(0.5)").is_err());
35 assert!(parse(transition_timing_function::parse, "steps(-1)").is_err());
36 assert!(parse(transition_timing_function::parse, "steps(1, middle)").is_err());
37 }
38