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-rw-r--r--dom/events/test/browser_bug1539497.js25
1 files changed, 25 insertions, 0 deletions
diff --git a/dom/events/test/browser_bug1539497.js b/dom/events/test/browser_bug1539497.js
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index 0000000000..78ea64c119
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+++ b/dom/events/test/browser_bug1539497.js
@@ -0,0 +1,25 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function maxTouchPoints() {
+ await new Promise(resolve => {
+ SpecialPowers.pushPrefEnv(
+ {
+ set: [["dom.maxtouchpoints.testing.value", 5]],
+ },
+ resolve
+ );
+ });
+
+ let tab = await BrowserTestUtils.openNewForegroundTab(
+ gBrowser,
+ "data:text/html,Test page for navigator.maxTouchPoints"
+ );
+ await SpecialPowers.spawn(tab.linkedBrowser, [], function () {
+ is(content.navigator.maxTouchPoints, 5, "Should have touch points.");
+ });
+
+ BrowserTestUtils.removeTab(tab);
+});