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, parse_entirely};
6 use style::parser::Parse;
7 use style::values::specified::position::*;
8 use style_traits::ToCss;
9
10 #[test]
test_position()11 fn test_position() {
12 // Serialization is not actually specced
13 // though these are the values expected by basic-shape
14 // https://github.com/w3c/csswg-drafts/issues/368
15 assert_roundtrip_with_context!(Position::parse, "center", "center center");
16 assert_roundtrip_with_context!(Position::parse, "top left", "left top");
17 assert_roundtrip_with_context!(Position::parse, "left top", "left top");
18 assert_roundtrip_with_context!(Position::parse, "top right", "right top");
19 assert_roundtrip_with_context!(Position::parse, "right top", "right top");
20 assert_roundtrip_with_context!(Position::parse, "bottom left", "left bottom");
21 assert_roundtrip_with_context!(Position::parse, "left bottom", "left bottom");
22 assert_roundtrip_with_context!(Position::parse, "left center", "left center");
23 assert_roundtrip_with_context!(Position::parse, "right center", "right center");
24 assert_roundtrip_with_context!(Position::parse, "center top", "center top");
25 assert_roundtrip_with_context!(Position::parse, "center bottom", "center bottom");
26 assert_roundtrip_with_context!(Position::parse, "center 10px", "center 10px");
27 assert_roundtrip_with_context!(Position::parse, "center 10%", "center 10%");
28 assert_roundtrip_with_context!(Position::parse, "right 10%", "right 10%");
29
30 // Only keywords can be reordered
31 assert!(parse_entirely(Position::parse, "top 40%").is_err());
32 assert!(parse_entirely(Position::parse, "40% left").is_err());
33
34 // 3 and 4 value serialization
35 assert_roundtrip_with_context!(Position::parse, "left 10px top 15px", "left 10px top 15px");
36 assert_roundtrip_with_context!(Position::parse, "top 15px left 10px", "left 10px top 15px");
37 assert_roundtrip_with_context!(Position::parse, "left 10% top 15px", "left 10% top 15px");
38 assert_roundtrip_with_context!(Position::parse, "top 15px left 10%", "left 10% top 15px");
39 assert_roundtrip_with_context!(Position::parse, "left top 15px", "left top 15px");
40 assert_roundtrip_with_context!(Position::parse, "top 15px left", "left top 15px");
41 assert_roundtrip_with_context!(Position::parse, "left 10px top", "left 10px top");
42 assert_roundtrip_with_context!(Position::parse, "top left 10px", "left 10px top");
43 assert_roundtrip_with_context!(Position::parse, "right 10px bottom", "right 10px bottom");
44 assert_roundtrip_with_context!(Position::parse, "bottom right 10px", "right 10px bottom");
45 assert_roundtrip_with_context!(Position::parse, "center right 10px", "right 10px center");
46 assert_roundtrip_with_context!(Position::parse, "center bottom 10px", "center bottom 10px");
47
48 // Invalid 3 value positions
49 assert!(parse_entirely(Position::parse, "20px 30px 20px").is_err());
50 assert!(parse_entirely(Position::parse, "top 30px 20px").is_err());
51 assert!(parse_entirely(Position::parse, "50% bottom 20%").is_err());
52
53 // Only horizontal and vertical keywords can have positions
54 assert!(parse_entirely(Position::parse, "center 10px left 15px").is_err());
55 assert!(parse_entirely(Position::parse, "center 10px 15px").is_err());
56 assert!(parse_entirely(Position::parse, "center 10px bottom").is_err());
57
58 // "Horizontal Horizontal" or "Vertical Vertical" positions cause error
59 assert!(parse_entirely(Position::parse, "left right").is_err());
60 assert!(parse_entirely(Position::parse, "left 10px right").is_err());
61 assert!(parse_entirely(Position::parse, "left 10px right 15%").is_err());
62 assert!(parse_entirely(Position::parse, "top bottom").is_err());
63 assert!(parse_entirely(Position::parse, "top 10px bottom").is_err());
64 assert!(parse_entirely(Position::parse, "top 10px bottom 15%").is_err());
65
66 // Logical keywords are not supported in Position yet.
67 assert!(parse(Position::parse, "x-start").is_err());
68 assert!(parse(Position::parse, "y-end").is_err());
69 assert!(parse(Position::parse, "x-start y-end").is_err());
70 assert!(parse(Position::parse, "x-end 10px").is_err());
71 assert!(parse(Position::parse, "y-start 20px").is_err());
72 assert!(parse(Position::parse, "x-start bottom 10%").is_err());
73 assert!(parse_entirely(Position::parse, "left y-start 10%").is_err());
74 assert!(parse(Position::parse, "x-start 20px y-end 10%").is_err());
75 }
76
77 #[test]
test_horizontal_position()78 fn test_horizontal_position() {
79 // One value serializations.
80 assert_roundtrip_with_context!(HorizontalPosition::parse, "20px", "20px");
81 assert_roundtrip_with_context!(HorizontalPosition::parse, "25%", "25%");
82 assert_roundtrip_with_context!(HorizontalPosition::parse, "center", "center");
83 assert_roundtrip_with_context!(HorizontalPosition::parse, "left", "left");
84 assert_roundtrip_with_context!(HorizontalPosition::parse, "right", "right");
85
86 // Two value serializations.
87 assert_roundtrip_with_context!(HorizontalPosition::parse, "right 10px", "right 10px");
88
89 // Invalid horizontal positions.
90 assert!(parse(HorizontalPosition::parse, "top").is_err());
91 assert!(parse(HorizontalPosition::parse, "bottom").is_err());
92 assert!(parse(HorizontalPosition::parse, "y-start").is_err());
93 assert!(parse(HorizontalPosition::parse, "y-end").is_err());
94 assert!(parse(HorizontalPosition::parse, "y-end 20px ").is_err());
95 assert!(parse(HorizontalPosition::parse, "bottom 20px").is_err());
96 assert!(parse(HorizontalPosition::parse, "bottom top").is_err());
97 assert!(parse_entirely(HorizontalPosition::parse, "20px y-end").is_err());
98 assert!(parse_entirely(HorizontalPosition::parse, "20px top").is_err());
99 assert!(parse_entirely(HorizontalPosition::parse, "left center").is_err());
100 assert!(parse_entirely(HorizontalPosition::parse, "left top").is_err());
101 assert!(parse_entirely(HorizontalPosition::parse, "left right").is_err());
102 assert!(parse_entirely(HorizontalPosition::parse, "20px 30px").is_err());
103 assert!(parse_entirely(HorizontalPosition::parse, "10px left").is_err());
104 assert!(parse_entirely(HorizontalPosition::parse, "x-end 20%").is_err());
105 assert!(parse_entirely(HorizontalPosition::parse, "20px x-start").is_err());
106
107 // Logical keywords are not supported in Position yet.
108 assert!(parse(HorizontalPosition::parse, "x-start").is_err());
109 assert!(parse(HorizontalPosition::parse, "x-end").is_err());
110 }
111
112 #[test]
test_vertical_position()113 fn test_vertical_position() {
114 // One value serializations.
115 assert_roundtrip_with_context!(VerticalPosition::parse, "20px", "20px");
116 assert_roundtrip_with_context!(VerticalPosition::parse, "25%", "25%");
117 assert_roundtrip_with_context!(VerticalPosition::parse, "center", "center");
118 assert_roundtrip_with_context!(VerticalPosition::parse, "top", "top");
119 assert_roundtrip_with_context!(VerticalPosition::parse, "bottom", "bottom");
120
121 // Two value serializations.
122 assert_roundtrip_with_context!(VerticalPosition::parse, "bottom 10px", "bottom 10px");
123
124 // Invalid vertical positions.
125 assert!(parse(VerticalPosition::parse, "left").is_err());
126 assert!(parse(VerticalPosition::parse, "right").is_err());
127 assert!(parse(VerticalPosition::parse, "x-start").is_err());
128 assert!(parse(VerticalPosition::parse, "x-end").is_err());
129 assert!(parse(VerticalPosition::parse, "x-end 20px").is_err());
130 assert!(parse(VerticalPosition::parse, "left 20px").is_err());
131 assert!(parse(VerticalPosition::parse, "left center").is_err());
132 assert!(parse(VerticalPosition::parse, "left top").is_err());
133 assert!(parse(VerticalPosition::parse, "left right").is_err());
134 assert!(parse_entirely(VerticalPosition::parse, "20px x-end").is_err());
135 assert!(parse_entirely(VerticalPosition::parse, "20px right").is_err());
136 assert!(parse_entirely(VerticalPosition::parse, "bottom top").is_err());
137 assert!(parse_entirely(VerticalPosition::parse, "20px 30px").is_err());
138 assert!(parse_entirely(VerticalPosition::parse, "10px top").is_err());
139 assert!(parse_entirely(VerticalPosition::parse, "y-end 20%").is_err());
140 assert!(parse_entirely(VerticalPosition::parse, "20px y-start").is_err());
141
142 // Logical keywords are not supported in Position yet.
143 assert!(parse(VerticalPosition::parse, "y-start").is_err());
144 assert!(parse(VerticalPosition::parse, "y-end").is_err());
145 }
146