1 <!DOCTYPE html><!-- webkit-test-runner [ experimental:CSSCustomPropertiesAndValuesEnabled=true ] -->
2 <!-- https://chromium.googlesource.com/chromium/src/+/01ce431409e3a019858677626a983c55168da6dc/third_party/WebKit/LayoutTests/custom-properties/register-property.html -->
3 <script src="../resources/testharness.js"></script>
4 <script src="../resources/testharnessreport.js"></script>
6 // Tests for error checking during property registration
8 assert_throws(new TypeError(), () => CSS.registerProperty());
9 assert_throws(new TypeError(), () => CSS.registerProperty(undefined));
10 assert_throws(new TypeError(), () => CSS.registerProperty(true));
11 assert_throws(new TypeError(), () => CSS.registerProperty(2));
12 assert_throws(new TypeError(), () => CSS.registerProperty("css"));
13 assert_throws(new TypeError(), () => CSS.registerProperty(null));
14 }, "registerProperty requires a Dictionary type");
16 // Valid property names, shouldn't throw
17 CSS.registerProperty({name: '--name1', inherits: false});
18 CSS.registerProperty({name: '--name2, no need for escapes', inherits: false});
19 CSS.registerProperty({name: ['--name', 3], inherits: false});
20 // Invalid property names
21 assert_throws(new TypeError(), () => CSS.registerProperty({}));
22 assert_throws(new TypeError(), () => CSS.registerProperty({name: '--no-inherits'}));
23 //assert_throws(new SyntaxError(), () => CSS.registerProperty({name: 'no-leading-dash', inherits: false}));
24 //assert_throws(new SyntaxError(), () => CSS.registerProperty({name: '', inherits: false}));
25 //assert_throws(new SyntaxError(), () => CSS.registerProperty({name: '\\--name', inherits: false}));
26 }, "registerProperty requires a name matching <custom-property-name>");
28 CSS.registerProperty({name: '--syntax-test-1', inherits: false, syntax: '*'});
29 CSS.registerProperty({name: '--syntax-test-2', inherits: false, syntax: ' * '});
30 /*assert_throws(new SyntaxError(),
31 () => CSS.registerProperty({name: '--syntax-test-3', syntax: 'length'}));*/
32 }, "registerProperty only allows omitting initialValue is syntax is '*'");