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Diffstat (limited to '')
-rw-r--r-- | dom/tests/browser/browser_focus_steal_from_chrome_during_mousedown.js | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_focus_steal_from_chrome_during_mousedown.js b/dom/tests/browser/browser_focus_steal_from_chrome_during_mousedown.js new file mode 100644 index 0000000000..2930e0facd --- /dev/null +++ b/dom/tests/browser/browser_focus_steal_from_chrome_during_mousedown.js @@ -0,0 +1,82 @@ +add_task(async function test() { + const kTestURI = + "data:text/html," + + '<script type="text/javascript">' + + " function onMouseDown(aEvent) {" + + " document.getElementById('willBeFocused').focus();" + + " aEvent.preventDefault();" + + " }" + + "</script>" + + '<body id="body">' + + '<button onmousedown="onMouseDown(event);" style="width: 100px; height: 100px;">click here</button>' + + '<input id="willBeFocused"></body>'; + + let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, kTestURI); + + let fm = Services.focus; + + for (var button = 0; button < 3; button++) { + // Set focus to a chrome element before synthesizing a mouse down event. + gURLBar.focus(); + + is( + fm.focusedElement, + gURLBar.inputField, + "Failed to move focus to search bar: button=" + button + ); + + // We intentionally turn off this a11y check, because the following click + // is sent on an arbitrary web content that is not expected to be tested + // by itself with the browser mochitests, therefore this rule check shall + // be ignored by a11y-checks suite. + AccessibilityUtils.setEnv({ mustHaveAccessibleRule: false }); + // Synthesize mouse down event on browser object over the button, such that + // the event propagates through both processes. + EventUtils.synthesizeMouse(tab.linkedBrowser, 20, 20, { button }); + AccessibilityUtils.resetEnv(); + + isnot( + fm.focusedElement, + gURLBar.inputField, + "Failed to move focus away from search bar: button=" + button + ); + + await SpecialPowers.spawn( + tab.linkedBrowser, + [button], + async function (button) { + let fm = Services.focus; + + let attempts = 10; + await new Promise(resolve => { + function check() { + if ( + attempts > 0 && + content.document.activeElement.id != "willBeFocused" + ) { + attempts--; + content.window.setTimeout(check, 100); + return; + } + + Assert.equal( + content.document.activeElement.id, + "willBeFocused", + "The input element isn't active element: button=" + button + ); + Assert.equal( + fm.focusedElement, + content.document.activeElement, + "The active element isn't focused element in App level: button=" + + button + ); + resolve(); + } + check(); + }); + } + ); + } + + gBrowser.removeTab(tab); +}); |