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-rw-r--r--testing/web-platform/tests/speculation-rules/prerender/restriction-window-move.html48
1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prerender/restriction-window-move.html b/testing/web-platform/tests/speculation-rules/prerender/restriction-window-move.html
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index 0000000000..232760db36
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prerender/restriction-window-move.html
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/utils.js"></script>
+<script src="../resources/utils.js"></script>
+<script src="resources/utils.js"></script>
+
+<body>
+<script>
+setup(() => assertSpeculationRulesIsSupported());
+
+// moveTo and moveBy operations should be ignored.
+// See https://github.com/jeremyroman/alternate-loading-modes/issues/73.
+['moveTo', 'moveBy'].forEach(moveFunc => {
+ promise_test(async t => {
+ const uid = token();
+ const bc = new PrerenderChannel('test-channel', uid);
+ t.add_cleanup(_ => bc.close());
+
+ const gotMessage = new Promise(resolve => {
+ bc.addEventListener('message', e => {
+ resolve(e.data);
+ }, {once: true});
+ });
+
+ const url = `resources/window-move.html?move=${moveFunc}&uid=${uid}`;
+
+ // We have to open a new window to run the test, since a window that was
+ // not created by window.open() cannot be moved.
+ window.open(url, '_blank',
+ `left=${window.screen.availLeft},
+ top=${window.screen.availTop},
+ width=${window.screen.availWidth / 2},
+ height=${window.screen.availHeight / 2},
+ noopener`);
+
+ const result = await gotMessage;
+ assert_equals(result.status, 'PASS');
+ assert_equals(
+ result.prevPosition.x, result.newPosition.x,
+ 'x position for prerendering');
+ assert_equals(
+ result.prevPosition.y, result.newPosition.y,
+ 'y position for prerendering');
+ }, `a prerendering page cannot move its window by executing ${moveFunc}.`);
+});
+</script>