require-corp-cached-images.https.html (2606B)
1 <!doctype html> 2 <html> 3 <title> Images on a page Cross-Origin-Embedder-Policy: require-corp should load the same from the cache or network</title> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script src="/common/get-host-info.sub.js"></script> 7 <script src="/common/utils.js"></script> 8 <script> 9 10 function remote(path) { 11 const REMOTE_ORIGIN = get_host_info().HTTPS_REMOTE_ORIGIN; 12 return new URL(path, REMOTE_ORIGIN); 13 } 14 15 // 16 // This test loads a same-origin iframe resources/load-corp-images.html with 17 // Cross-Origin-Embedder-Policy: require-corp 18 // The iframe loads two cross origin images, one with a 19 // Cross-Origin-Resource-Policy: cross-origin header, and one without. 20 // We expect the image with the header to load successfully and the one without 21 // to fail to load. 22 // After the first load we then reload the iframe, with the same expectations 23 // for the image loads when they are loaded from the cache. 24 // 25 26 const RUNS = ["NETWORK", "CACHED"]; 27 const RESOURCE_DESC = ["No CORP image", "CORP image"]; 28 29 let EXPECTED_LOADS = { 30 [`${RUNS[0]} - ${RESOURCE_DESC[0]}`]: false, 31 [`${RUNS[0]} - ${RESOURCE_DESC[1]}`]: true, 32 [`${RUNS[1]} - ${RESOURCE_DESC[0]}`]: false, 33 [`${RUNS[1]} - ${RESOURCE_DESC[1]}`]: true, 34 } 35 36 let TESTS = {}; 37 for (let t in EXPECTED_LOADS) { 38 TESTS[t] = async_test(t); 39 } 40 41 window.addEventListener("load", async () => { 42 const t = async_test("main_test"); 43 const iframe = document.createElement("iframe"); 44 // The token attribute is used to ensure the resource has never been seen by 45 // the HTTP cache. This can be useful if the cache isn't properly flushed in 46 // between two tests. 47 iframe.src = `resources/load-corp-images.html?revalidate=false&token=${token()}`; 48 let runCount = 0; 49 window.addEventListener("message", (event) => { 50 // After the first done event we reload the iframe. 51 if (event.data.done) { 52 ++runCount; 53 if (runCount < RUNS.length) { 54 iframe.contentWindow.location.reload(); 55 } else { 56 // After the second done event the test is finished. 57 t.done(); 58 } 59 return; 60 } 61 62 // Check that each image either loads or doesn't based on the expectations 63 let testName = `${RUNS[runCount]} - ${event.data.corp ? RESOURCE_DESC[1] : RESOURCE_DESC[0]}`; 64 let test = TESTS[testName]; 65 test.step(() => { 66 assert_equals(event.data.loaded, EXPECTED_LOADS[testName], `${testName} should ${EXPECTED_LOADS[testName] ? "" : "not"} succeed`); 67 }); 68 test.done(); 69 }, false); 70 document.body.appendChild(iframe); 71 }); 72 73 </script> 74 </html>