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Diffstat (limited to 'testing/web-platform/tests/speculation-rules/prefetch/duplicate-urls.https.html')
| -rw-r--r-- | testing/web-platform/tests/speculation-rules/prefetch/duplicate-urls.https.html | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prefetch/duplicate-urls.https.html b/testing/web-platform/tests/speculation-rules/prefetch/duplicate-urls.https.html new file mode 100644 index 0000000000..179bbdfd68 --- /dev/null +++ b/testing/web-platform/tests/speculation-rules/prefetch/duplicate-urls.https.html @@ -0,0 +1,21 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/common/dispatcher/dispatcher.js"></script> +<script src="/common/utils.js"></script> +<script src="resources/utils.sub.js"></script> + +<script> + promise_test(async t => { + assert_implements(HTMLScriptElement.supports('speculationrules'), "Speculation Rules not supported"); + + let urls = Array(5).fill(getPrefetchUrlList(1)[0]); + insertSpeculationRules({ prefetch: [{ source: 'list', urls: urls }] }); + await new Promise(resolve => t.step_timeout(resolve, 2000)); + + let prefetched_count = (await Promise.all(urls.map(isUrlPrefetched))).reduce( + (count, was_prefetched) => count + (was_prefetched ? 1 : 0), 0); + + assert_equals(prefetched_count, 1, "url should be prefetched just once."); + }, "browser should remove duplicate urls from prefetch buffer."); +</script> |