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-rw-r--r-- | docshell/test/mochitest/test_bug1741132.html | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/docshell/test/mochitest/test_bug1741132.html b/docshell/test/mochitest/test_bug1741132.html new file mode 100644 index 0000000000..1ae9727d9c --- /dev/null +++ b/docshell/test/mochitest/test_bug1741132.html @@ -0,0 +1,79 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset="utf-8"> + <title>Test form restoration for no-store pages</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" href="/tests/SimpleTest/test.css"/> + <script> + // The number of entries which we keep in the BFCache (see nsSHistory.h). + const VIEWER_WINDOW = 3; + + SimpleTest.waitForExplicitFinish(); + + function runTest() { + let bc = new BroadcastChannel("bug1741132"); + + // Setting the pref to 0 should evict all content viewers. + let load = SpecialPowers.pushPrefEnv({ + set: [["browser.sessionhistory.max_total_viewers", 0]], + }).then(() => { + // Set the pref to VIEWER_WINDOW + 2 now, to be sure we + // could fit all entries. + SpecialPowers.pushPrefEnv({ + set: [["browser.sessionhistory.max_total_viewers", VIEWER_WINDOW + 2]], + }); + }).then(() => { + return new Promise(resolve => { + bc.addEventListener("message", resolve, { once: true }); + window.open("file_bug1741132.html", "", "noopener"); + }); + }); + // We want to try to keep one entry too many in the BFCache, + // so we ensure that there's at least VIEWER_WINDOW + 2 + // entries in session history (with one for the displayed + // page). + for (let i = 0; i < VIEWER_WINDOW + 2; ++i) { + load = load.then(() => { + return new Promise((resolve) => { + bc.addEventListener("message", resolve, { once: true }); + bc.postMessage({ cmd: "load", arg: `file_bug1741132.html?${i}` }); + }); + }); + } + load.then(() => { + return new Promise((resolve) => { + bc.addEventListener("message", ({ data: persisted }) => { + resolve(persisted); + }, { once: true }); + // Go back past the first entry that should be in the BFCache. + bc.postMessage({ cmd: "go", arg: -(VIEWER_WINDOW + 1) }); + }); + }).then((persisted) => { + ok(!persisted, "Only 3 pages should be kept in the BFCache"); + }).then(() => { + return new Promise((resolve) => { + bc.addEventListener("message", ({ data: persisted }) => { + resolve(persisted); + }, { once: true }); + // Go forward to the first entry that should be in the BFCache. + bc.postMessage({ cmd: "go", arg: 1 }); + }); + }).then((persisted) => { + ok(persisted, "3 pages should be kept in the BFCache"); + + bc.postMessage("close"); + + bc.close(); + + SimpleTest.finish(); + }); + } + </script> +</head> +<body onload="runTest();"> +<p id="display"></p> +<div id="content" style="display: none"></div> +<pre id="test"></pre> +</body> +</html> |