| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <div id="host1"></div> |
| <div id="host2"></div> |
| <div id="host3"></div> |
| <script> |
| var root1 = host1.createShadowRoot(); |
| var root2 = host2.createShadowRoot(); |
| var root3 = host3.createShadowRoot(); |
| |
| root1.innerHTML = `<style>#t1 + div + div + #r1 {background-color:green}</style> |
| <div id="t1"></div> |
| <div id="i1"></div> |
| <div id="r1"></div> |
| <div></div>`; |
| |
| root2.innerHTML = `<style>#t2 + div + div + #r2 {background-color:green}</style> |
| <div id="i2"></div> |
| <div></div> |
| <div id="r2"></div> |
| <div></div>`; |
| |
| root3.innerHTML = `<style>#t3 + div + div + #r3 {background-color:green}</style> |
| <div id="t3"></div> |
| <div></div> |
| <div id="d3"></div> |
| <div></div> |
| <div id="r3"></div> |
| <div></div>`; |
| |
| document.body.offsetTop; |
| |
| test(function() { |
| assert_true(!!window.internals, "This test only works with internals exposed present"); |
| }, "internals are exposed"); |
| |
| test(function() { |
| var i1 = root1.querySelector('#i1'); |
| var r1 = root1.querySelector('#r1'); |
| assert_equals(getComputedStyle(r1).backgroundColor, "rgba(0, 0, 0, 0)", "Background color should initially be transparent"); |
| |
| i1.parentNode.insertBefore(document.createElement('div'), i1); |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 2, "Inserted div plus #r1 recalculated"); |
| assert_equals(getComputedStyle(r1).backgroundColor, "rgb(0, 128, 0)", "Background color is green after class change"); |
| }, "Insert between siblings"); |
| |
| test(function() { |
| var i2 = root2.querySelector('#i2'); |
| var r2 = root2.querySelector('#r2'); |
| assert_equals(getComputedStyle(r2).backgroundColor, "rgba(0, 0, 0, 0)", "Background color should initially be transparent"); |
| |
| var t2 = document.createElement('div'); |
| t2.id = 't2'; |
| i2.parentNode.insertBefore(t2, i2); |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 2, "Inserted div plus #r2 recalculated"); |
| assert_equals(getComputedStyle(r2).backgroundColor, "rgb(0, 128, 0)", "Background color is green after class change"); |
| }, "Insert before siblings"); |
| |
| test(function() { |
| var d3 = root3.querySelector('#d3'); |
| var r3 = root3.querySelector('#r3'); |
| |
| d3.parentNode.removeChild(d3); |
| assert_equals(internals.updateStyleAndReturnAffectedElementCount(), 1, "#r3 recalculated"); |
| assert_equals(getComputedStyle(r3).backgroundColor, "rgb(0, 128, 0)", "Background color is green after class change"); |
| }, "Remove between siblings"); |
| |
| </script> |
