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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js')
-rw-r--r-- | testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js b/testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js new file mode 100644 index 0000000000..09937d5115 --- /dev/null +++ b/testing/web-platform/tests/measure-memory/randomized-breakdown.https.window.js @@ -0,0 +1,27 @@ +// META: script=/common/get-host-info.sub.js +// META: script=./resources/checker.js +// META: script=./resources/common.js +// META: timeout=long +'use strict'; + +function indexOfEmptyEntry(result) { + return result.breakdown.findIndex(isEmptyBreakdownEntry); +} + +promise_test(async testCase => { + assert_true(self.crossOriginIsolated); + + const initial = await performance.measureUserAgentSpecificMemory(); + let observed_different_order = false; + for (let i = 0; i < 100; ++i) { + const current = await performance.measureUserAgentSpecificMemory(); + if (indexOfEmptyEntry(initial) != indexOfEmptyEntry(current)) { + observed_different_order = true; + } + } + // The order of the breakdown entries must be randomized. + // A conforming implementation may fail the following assert with + // the probability of at most 2^-100 since there are at least two + // entries in the breakdown. + assert_true(observed_different_order); +}, 'Well-formed result of performance.measureUserAgentSpecificMemory.'); |