| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-counter-styles-3/#counter-style-symbols"> |
| <link rel="author" href="mailto:xiaochengh@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/counter-style-testcommon.js"></script> |
| <script> |
| function test_valid_additive_symbols(value, expected) { |
| test_valid_counter_style_descriptor('additive-symbols', value, expected); |
| } |
| |
| function test_invalid_additive_symbols(value) { |
| test_invalid_counter_style_descriptor('additive-symbols', value); |
| } |
| |
| // [ <integer [0,∞]> && <symbol> ]# |
| |
| test_valid_additive_symbols('1 "X"'); |
| test_valid_additive_symbols('"X" 1', '1 "X"'); |
| test_valid_additive_symbols('5 "V", 1 "I"'); |
| |
| test_invalid_additive_symbols(''); |
| |
| // Weights must be non-negative |
| test_invalid_additive_symbols('-1 "X"'); |
| |
| // Weights must be in strictly decreasing order |
| test_invalid_additive_symbols('1 "I", 5 "V"'); |
| test_invalid_additive_symbols('1 "X", 1 "Y"'); |
| </script> |
