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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /layout/style/test/test_img_src_causing_reflow.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/style/test/test_img_src_causing_reflow.html')
| -rw-r--r-- | layout/style/test/test_img_src_causing_reflow.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/layout/style/test/test_img_src_causing_reflow.html b/layout/style/test/test_img_src_causing_reflow.html new file mode 100644 index 0000000000..e63b39f9fe --- /dev/null +++ b/layout/style/test/test_img_src_causing_reflow.html @@ -0,0 +1,36 @@ +<!doctype html> +<meta charset="utf-8"> +<title>Test for bug 1787072</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<style> +img { + width: 100px; + height: 100px; + background-color: blue; +} +</style> +<img> <!-- Initially broken --> +<script> +add_task(async function() { + const utils = SpecialPowers.DOMWindowUtils; + const img = document.querySelector("img"); + img.getBoundingClientRect(); + + let origFramesConstructed = utils.framesConstructed; + let origFramesReflowed = utils.framesReflowed; + + let error = new Promise(r => img.addEventListener("error", r, { once: true })); + + // Doesn't need to be an actual image. + img.src = "/some-valid-url"; + + img.getBoundingClientRect(); + is(origFramesReflowed, utils.framesReflowed, "Shouldn't have reflowed when going broken -> loading"); + is(origFramesConstructed, utils.framesConstructed, "Shouldn't have reflowed when going broken -> loading"); + + await error; + + is(origFramesReflowed, utils.framesReflowed, "Shouldn't have reflowed when going loading -> broken"); + is(origFramesConstructed, utils.framesConstructed, "Shouldn't have reflowed when going loading -> broken"); +}); +</script> |