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-rw-r--r--layout/base/tests/browser_bug617076.js71
1 files changed, 71 insertions, 0 deletions
diff --git a/layout/base/tests/browser_bug617076.js b/layout/base/tests/browser_bug617076.js
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index 0000000000..c76cbd41d3
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+++ b/layout/base/tests/browser_bug617076.js
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+/**
+ * 1. load about:addons in a new tab and select that tab
+ * 2. insert a button with tooltiptext
+ * 3. create a new blank tab and select that tab
+ * 4. select the about:addons tab and hover the inserted button
+ * 5. remove the about:addons tab
+ * 6. remove the blank tab
+ *
+ * the test succeeds if it doesn't trigger any assertions
+ */
+
+add_task(async function test() {
+ // Open the test tab
+ let testTab = await BrowserTestUtils.openNewForegroundTab(
+ gBrowser,
+ "about:addons"
+ );
+
+ // insert button into test page content
+ await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+ let doc = content.document;
+ let e = doc.createXULElement("button");
+ e.setAttribute("label", "hello");
+ e.setAttribute("tooltiptext", "world");
+ e.setAttribute("id", "test-button");
+ doc.documentElement.insertBefore(e, doc.documentElement.firstChild);
+ });
+
+ // open a second tab and select it
+ let tab2 = await BrowserTestUtils.openNewForegroundTab(
+ gBrowser,
+ "about:blank",
+ true
+ );
+ gBrowser.selectedTab = tab2;
+
+ // Select the testTab then perform mouse events on inserted button
+ gBrowser.selectedTab = testTab;
+ let browser = gBrowser.selectedBrowser;
+ EventUtils.disableNonTestMouseEvents(true);
+ try {
+ await BrowserTestUtils.synthesizeMouse(
+ "#test-button",
+ 1,
+ 1,
+ { type: "mouseover" },
+ browser
+ );
+ await BrowserTestUtils.synthesizeMouse(
+ "#test-button",
+ 2,
+ 6,
+ { type: "mousemove" },
+ browser
+ );
+ await BrowserTestUtils.synthesizeMouse(
+ "#test-button",
+ 2,
+ 4,
+ { type: "mousemove" },
+ browser
+ );
+ } finally {
+ EventUtils.disableNonTestMouseEvents(false);
+ }
+
+ // cleanup
+ BrowserTestUtils.removeTab(testTab);
+ BrowserTestUtils.removeTab(tab2);
+ ok(true, "pass if no assertions");
+});