| <!DOCTYPE html> |
| <html class=reftest-wait> |
| <title>SET: Blend modes are set up only in paired transitions</title> |
| <link rel="help" href="https://github.com/WICG/view-transitions"> |
| <link rel="author" href="mailto:vmpstr@chromium.org"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| div { |
| width: 100px; |
| height: 100px; |
| background: blue; |
| contain: paint; |
| } |
| .tagone { view-transition-name: one } |
| .tagtwo { view-transition-name: two } |
| .tagthree { view-transition-name: three } |
| </style> |
| |
| <div id=first class=tagone></div> |
| <div id=second></div> |
| <div id=third class=tagthree></div> |
| |
| <script> |
| async_test(t => { |
| let transition = document.startViewTransition(() => { |
| first.classList.toggle("tagone"); |
| second.classList.toggle("tagtwo"); |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(one)").isolation, "auto")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(one)").mixBlendMode, "normal")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(two)").isolation, "auto")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(two)").mixBlendMode, "normal")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(three)").isolation, "isolate")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(three)").mixBlendMode, "plus-lighter")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(three)").mixBlendMode, "plus-lighter")); |
| t.done(); |
| }); |
| }); |
| }); |
| }, "Blend modes are set up on paired transitions"); |
| </script> |
