| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Negative margins</title> |
| <link rel="help" href="https://drafts.csswg.org/css-box-4/#margin"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <!-- Regression test for https://github.com/jsdom/cssstyle/issues/222 --> |
| |
| <div id="div"></div> |
| |
| <script> |
| "use strict"; |
| const div = document.getElementById("div"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.marginTop = null; |
| }); |
| div.style.marginTop = "-10px"; |
| assert_equals(div.style.getPropertyValue("margin-top"), "-10px"); |
| }, "margin-top accepts negative margin"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.marginRight = null; |
| }); |
| div.style.marginRight = "-10px"; |
| assert_equals(div.style.getPropertyValue("margin-right"), "-10px"); |
| }, "margin-right accepts negative margin"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.marginBottom = null; |
| }); |
| div.style.marginBottom = "-10px"; |
| assert_equals(div.style.getPropertyValue("margin-bottom"), "-10px"); |
| }, "margin-bottom accepts negative margin"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.marginLeft = null; |
| }); |
| div.style.marginLeft = "-10px"; |
| assert_equals(div.style.getPropertyValue("margin-left"), "-10px"); |
| }, "margin-left accepts negative margin"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.margin = null; |
| }); |
| div.style.margin = "-10px"; |
| assert_equals(div.style.getPropertyValue("margin-top"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-right"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-bottom"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-left"), "-10px"); |
| }, "margin shorthand with 1 value should get/set negative margins"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.margin = null; |
| }); |
| div.style.margin = "-10px -20px"; |
| assert_equals(div.style.getPropertyValue("margin-top"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-right"), "-20px"); |
| assert_equals(div.style.getPropertyValue("margin-bottom"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-left"), "-20px"); |
| }, "margin shorthand with 2 values should get/set negative margins"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.margin = null; |
| }); |
| div.style.margin = "-10px -20px -30px"; |
| assert_equals(div.style.getPropertyValue("margin-top"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-right"), "-20px"); |
| assert_equals(div.style.getPropertyValue("margin-bottom"), "-30px"); |
| assert_equals(div.style.getPropertyValue("margin-left"), "-20px"); |
| div.style.margin = null; |
| }, "margin shorthand with 3 values should get/set negative margins"); |
| |
| test(t => { |
| t.add_cleanup(() => { |
| div.style.margin = null; |
| }); |
| div.style.margin = "-10px -20px -30px -40px"; |
| assert_equals(div.style.getPropertyValue("margin-top"), "-10px"); |
| assert_equals(div.style.getPropertyValue("margin-right"), "-20px"); |
| assert_equals(div.style.getPropertyValue("margin-bottom"), "-30px"); |
| assert_equals(div.style.getPropertyValue("margin-left"), "-40px"); |
| }, "margin shorthand with 4 values should get/set negative margins"); |
| </script> |
