Add crash test for disconnected frame switching to eager https://bugs.webkit.org/show_bug.cgi?id=245377 Reviewed by Ryosuke Niwa. Add crash test for disconnected frame switching to eager. * LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash-expected.txt: Added. * LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash.html: Added. Canonical link: https://commits.webkit.org/[email protected]

diff --git a/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash-expected.txt b/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash-expected.txt
new file mode 100644
index 0000000..c2541f4
--- /dev/null
+++ b/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash-expected.txt

@@ -0,0 +1 @@
+PASS if no crash.

diff --git a/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash.html b/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash.html
new file mode 100644
index 0000000..51a89e5
--- /dev/null
+++ b/LayoutTests/fast/frames/disconnected-frame-set-to-eager-crash.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<iframe id="iframe" loading="lazy"></iframe>
+<script>
+    if (window.testRunner) {
+        testRunner.dumpAsText();
+        testRunner.waitUntilDone();
+    }
+    let iframe = document.getElementById("iframe");
+    iframe.remove();
+    iframe.setAttribute("loading", "eager");
+    document.body.appendChild(iframe);
+    iframe.remove();
+    requestAnimationFrame(() => {
+        document.body.innerHTML = "PASS if no crash.";
+        if (window.testRunner)
+            testRunner.notifyDone();
+    });
+</script>