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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const L10N = new LocalizationHelper(
"devtools/client/locales/inspector.properties"
);
// Test that hovering over a box model value with no associated rule will show a tooltip
// saying: "No associated rule".
const TEST_URI = `<style>
#box {}
</style>
<div id="box"></div>`;
add_task(async function () {
await pushPref("devtools.layout.boxmodel.highlightProperty", true);
await addTab("data:text/html," + encodeURIComponent(TEST_URI));
const { inspector, boxmodel } = await openLayoutView();
const { rulePreviewTooltip } = boxmodel;
await selectNode("#box", inspector);
info(
"Test that hovering over margin-top shows tooltip showing 'No associated rule'."
);
const el = boxmodel.document.querySelector(
".boxmodel-margin.boxmodel-top > span"
);
info("Wait for mouse to hover over margin-top element.");
const onRulePreviewTooltipShown = rulePreviewTooltip._tooltip.once(
"shown",
() => {
ok(true, "Tooltip shown.");
is(
rulePreviewTooltip.message.textContent,
L10N.getStr("rulePreviewTooltip.noAssociatedRule"),
`Tooltip shows ${L10N.getStr("rulePreviewTooltip.noAssociatedRule")}`
);
}
);
EventUtils.synthesizeMouseAtCenter(
el,
{ type: "mousemove", shiftKey: true },
boxmodel.document.defaultView
);
await onRulePreviewTooltipShown;
});