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Diffstat (limited to 'testing/web-platform/tests/fetch/corb/response_block.tentative.https.html')
-rw-r--r-- | testing/web-platform/tests/fetch/corb/response_block.tentative.https.html | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/corb/response_block.tentative.https.html b/testing/web-platform/tests/fetch/corb/response_block.tentative.https.html new file mode 100644 index 0000000000..6b116000d4 --- /dev/null +++ b/testing/web-platform/tests/fetch/corb/response_block.tentative.https.html @@ -0,0 +1,50 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/common/get-host-info.sub.js"></script> +<body> +<script> +// A cross-origin response containing JavaScript, labelled as text/csv. +const probeUrl = get_host_info().HTTPS_REMOTE_ORIGIN + + "/fetch/corb/resources/response_block_probe.js"; + +// Test handling of blocked responses in CORB/ORB for <script> elements. +function probe_script() { + // We will cross-origin load a script resource that should get blocked by all + // versions of CORB/ORB. Two things may happen: + // + // 1, An empty response is injected. (What CORB does.) + // 2, An error is injected and script loading aborts. (What ORB does.) + + // Load the probe as a script. + const script = document.createElement("script"); + script.src = probeUrl; + document.body.appendChild(script); + + // Return a promise that will return a string description corresponding to the + // conditions above. + return new Promise((resolve, reject) => { + script.onload = _ => resolve("Resource loaded (expected for CORB)"); + script.onerror = _ => resolve("ORB-style network error"); + }); +} + +// Test handling of blocked responses in CORB/ORB for script-initiated fetches. +function probe_fetch() { + return fetch(probeUrl, {mode: "no-cors"}) + .then(response => response.text()) + .then(text => { + assert_equals(text, ""); + return "Resource loaded (expected for CORB)"; + }) + .catch(_ => "ORB-style network error"); +} + +// These tests check for ORB behaviour. +promise_test(t => probe_script().then( + value => assert_equals(value, "ORB-style network error")), + "ORB: Expect error response from <script> fetch."); +promise_test(t => probe_fetch().then( + value => assert_equals(value, "ORB-style network error")), + "ORB: Expect error response from fetch()."); +</script> |