| <!DOCTYPE html> |
| <html> |
| <title>view-transitions: Blend modes are set up only in paired transitions</title> |
| <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/"> |
| <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 } |
| .tagfour { view-transition-name: four } |
| .tagfive { view-transition-name: five } |
| |
| ::view-transition-old(four) { |
| animation-name: unset; |
| } |
| ::view-transition-new(five) { |
| animation-name: unset; |
| } |
| </style> |
| |
| <div id=first class=tagone></div> |
| <div id=second></div> |
| <div class=tagthree></div> |
| <div class=tagfour></div> |
| <div class=tagfive></div> |
| |
| <script> |
| async_test(t => { |
| assert_implements(document.startViewTransition, "Missing document.startViewTransition"); |
| 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.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(four)").isolation, "isolate")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(four)").mixBlendMode, "normal")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(four)").mixBlendMode, "plus-lighter")); |
| |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-image-pair(five)").isolation, "isolate")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-old(five)").mixBlendMode, "plus-lighter")); |
| t.step(() => assert_equals(getComputedStyle(document.documentElement, "::view-transition-new(five)").mixBlendMode, "normal")); |
| t.done(); |
| }); |
| }); |
| }); |
| }, "Blend modes are set up on paired transitions"); |
| </script> |
