Enable structuredClone testing in ShadowRealm #49282
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wpt-pr-bot
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annevk,
deniak,
domenic,
foolip,
jdm and
jgraham
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LGTM modulo the proposed changes. I would also appreciate @domenic's review though.
html/webappapis/structured-clone/structured-clone-battery-of-tests-with-transferables.js
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We would like these tests to be run inside ShadowRealm as well. However, there are few platform objects that are [Exposed=*, Transferable] (only streams, of which the transferability is not widely implemented yet) and also few platform objects that are [Exposed=*, Serializable] (only DOMException). Add feature detection to structured-clone-battery-of-tests-with-transferables.js to try to use the most appropriate transferable platform object for the environment running the test. If MessagePort is available, use it; otherwise ReadableStream if it is transferable; otherwise skip the test. (To be clear, streams are specified to be transferable; but this test is not specifically about that.) As a non-transferable or non-serializable platform object, use AbortController, which is [Exposed=*], instead of Blob or Response, which are not. Use DOMException where a serializable platform object is needed, instead of Blob or File.
We would like these tests to be run inside ShadowRealm as well. Blob is not annotated with [Exposed=*]. Similar to the mechanism used to skip Document-specific tests in workers, skip Blob-specific tests if there is no Blob.
Run the "structuredClone battery of tests" in the various ShadowRealm environments. This includes making sure the various harness exports are added as global properties.
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Thanks for the review! I've made those changes you suggested. |
andreubotella
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Nov 20, 2024
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Run the "structuredClone battery of tests" in the various ShadowRealm scopes. This requires using different objects in some cases where an example of a transferable or serializable object is needed. It also requires adding a mechanism to skip the
Blob-specific tests.