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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /browser/base/content/test/general/browser_lastAccessedTab.js | |
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 'browser/base/content/test/general/browser_lastAccessedTab.js')
-rw-r--r-- | browser/base/content/test/general/browser_lastAccessedTab.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_lastAccessedTab.js b/browser/base/content/test/general/browser_lastAccessedTab.js new file mode 100644 index 0000000000..631fcb3bfe --- /dev/null +++ b/browser/base/content/test/general/browser_lastAccessedTab.js @@ -0,0 +1,62 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +/* eslint-disable mozilla/no-arbitrary-setTimeout */ + +// gBrowser.selectedTab.lastAccessed and Date.now() called from this test can't +// run concurrently, and therefore don't always match exactly. +const CURRENT_TIME_TOLERANCE_MS = 15; + +function isCurrent(tab, msg) { + const DIFF = Math.abs(Date.now() - tab.lastAccessed); + ok(DIFF <= CURRENT_TIME_TOLERANCE_MS, msg + " (difference: " + DIFF + ")"); +} + +function nextStep(fn) { + setTimeout(fn, CURRENT_TIME_TOLERANCE_MS + 10); +} + +var originalTab; +var newTab; + +function test() { + waitForExplicitFinish(); + // This test assumes that time passes between operations. But if the precision + // is low enough, and the test fast enough, an operation, and a successive call + // to Date.now() will have the same time value. + SpecialPowers.pushPrefEnv( + { set: [["privacy.reduceTimerPrecision", false]] }, + function () { + originalTab = gBrowser.selectedTab; + nextStep(step2); + } + ); +} + +function step2() { + isCurrent(originalTab, "selected tab has the current timestamp"); + newTab = BrowserTestUtils.addTab(gBrowser, "about:blank", { + skipAnimation: true, + }); + nextStep(step3); +} + +function step3() { + ok(newTab.lastAccessed < Date.now(), "new tab hasn't been selected so far"); + gBrowser.selectedTab = newTab; + isCurrent(newTab, "new tab has the current timestamp after being selected"); + nextStep(step4); +} + +function step4() { + ok( + originalTab.lastAccessed < Date.now(), + "original tab has old timestamp after being deselected" + ); + isCurrent( + newTab, + "new tab has the current timestamp since it's still selected" + ); + + gBrowser.removeTab(newTab); + finish(); +} |