| OLD | NEW |
|---|
| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <script src="/js-test-resources/js-test.js"></script> |
| 4 <script src="http://127.0.0.1:8000/resources/slow-script.pl?delay=100"></script> |
| 5 <script src="resources/picture-preload-helper.js"></script> |
| 6 </head> |
| 7 <body> |
| 8 <script> |
| 9 if (window.testRunner) |
| 10 testRunner.dumpAsText(); |
| 11 shouldBeTrue("internals.isPreloaded('resources/preload-test.jpg?0');"); |
| 12 shouldBeTrue("internals.isPreloaded('resources/image2.png');"); |
| 13 loadFromImg(1); |
| 14 loadFromImg(2); |
| 15 loadFromSource(3); |
| 16 loadFromSource(4); |
| 17 loadFromSource(5); |
| 18 loadFromImg(6); |
| 19 loadFromImg(7); |
| 20 </script> |
| 21 <!-- Control group --> |
| 22 <img src="resources/preload-test.jpg?0"> |
| 23 <picture> |
| 24 <source srcset="resources/image2.png"> |
| 25 <img></picture> |
| 26 <!-- Invalid nesting tests --> |
| 27 <!-- In the following tests, nesting messes up the selection algorithm --> |
| 28 <picture> |
| 29 <picture> |
| 30 <source sizes="400px" srcset="resources/base-image1.png?1 200w, resource
s/base-image3.png?1 400w, resources/base-image2.png?1 800w"> |
| 31 <div> |
| 32 </picture> |
| 33 </div> |
| 34 <img src="resources/preload-test.jpg?1"> |
| 35 </picture> |
| 36 </picture> |
| 37 <picture> |
| 38 <div> |
| 39 </picture> |
| 40 </picture> |
| 41 </picture> |
| 42 </div> |
| 43 <source sizes="400px" srcset="resources/base-image1.png?2 200w, resources/ba
se-image3.png?2 400w, resources/base-image2.png?2 800w"> |
| 44 <img src="resources/preload-test.jpg?2"> |
| 45 </picture> |
| 46 <!-- Here we preload the correct resource, since document.write is not modifying
the DOM --> |
| 47 <picture> |
| 48 <script>document.write("bla");</script> |
| 49 <source sizes="400px" srcset="resources/base-image1.png?3 200w, resources/ba
se-image3.png?3 400w, resources/base-image2.png?3 800w"> |
| 50 <img src="resources/preload-test.jpg?3"> |
| 51 </picture> |
| 52 <!-- In the following tests, nesting messes up the selection algorithm, but we d
on't get it --> |
| 53 <picture> |
| 54 <div> |
| 55 <picture> |
| 56 <div> |
| 57 <source sizes="400px" srcset="resources/base-image1.png?4 200w,
resources/base-image3.png?4 400w, resources/base-image2.png?4 800w"> |
| 58 </div> |
| 59 <img src="resources/preload-test.jpg?4"> |
| 60 </picture> |
| 61 </div> |
| 62 </picture> |
| 63 <picture> |
| 64 <div> |
| 65 <picture> |
| 66 <div> |
| 67 <source sizes="400px" srcset="resources/base-image1.png?5 200w,
resources/base-image3.png?5 400w, resources/base-image2.png?5 800w"> |
| 68 <img src="resources/preload-test.jpg?5"> |
| 69 </div> |
| 70 </picture> |
| 71 </div> |
| 72 </picture> |
| 73 <!-- We don't keep a checkpoint of the picture stack, so document.write inside p
icture |
| 74 *that modifies the DOM* will result in a false prediction --> |
| 75 <!-- In the following tests, we preload the wrong resource, because document.wri
te is modifying the DOM --> |
| 76 <script>document.write('<picture>');</script> |
| 77 <source sizes="400px" srcset="resources/base-image1.png?6 200w, resources/ba
se-image3.png?6 400w, resources/base-image2.png?6 800w"> |
| 78 <img src="resources/preload-test.jpg?6"> |
| 79 </picture> |
| 80 <picture> |
| 81 <script>document.write('<source sizes="400px" srcset="resources/base-image1.
png?7 200w, resources/base-image3.png?7 400w, resources/base-image2.png?7 800w">
');</script> |
| 82 <img src="resources/preload-test.jpg?7"> |
| 83 </picture> |
| 84 </body> |
| 85 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 265763010:
Add preloader support for picture based source selection (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master