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Test Info:

/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that clicking on a property's value URL while editing the property name
// will open the link in a new tab. See also Bug 1248274.
const TEST_URI = `
<style type="text/css">
#testid {
background: url("https://example.com/browser/devtools/client/inspector/rules/test/doc_test_image.png"), linear-gradient(white, #F06 400px);
}
</style>
<div id="testid">Styled Node</div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openRuleView();
info("Test click on background-image url while editing property name");
await selectNode("#testid", inspector);
const ruleEditor = getRuleViewRuleEditor(view, 1);
const propEditor = ruleEditor.rule.textProps[0].editor;
const anchor = propEditor.valueSpan.querySelector(
".ruleview-propertyvalue .theme-link"
);
info("Focus the background name span");
await focusEditableField(view, propEditor.nameSpan);
const editor = inplaceEditor(propEditor.doc.activeElement);
info(
"Modify the property to background to trigger the " +
"property-value-updated event"
);
editor.input.value = "background-image";
const onRuleViewChanged = view.once("ruleview-changed");
const onPropertyValueUpdate = view.once("property-value-updated");
const onTabOpened = waitForTab();
info("blur propEditor.nameSpan by clicking on the link");
// The url can be wrapped across multiple lines, and so we click the lower left corner
// of the anchor to make sure to target the link.
const rect = anchor.getBoundingClientRect();
EventUtils.synthesizeMouse(
anchor,
2,
rect.height - 2,
{},
propEditor.doc.defaultView
);
info(
"wait for ruleview-changed event to be triggered to prevent pending requests"
);
await onRuleViewChanged;
info("wait for the property value to be updated");
await onPropertyValueUpdate;
info("wait for the image to be open in a new tab");
const tab = await onTabOpened;
ok(true, "A new tab opened");
is(
tab.linkedBrowser.currentURI.spec,
anchor.href,
"The URL for the new tab is correct"
);
gBrowser.removeTab(tab);
});