Mypal/devtools/client/inspector/rules/test/browser_rules_grid-highlighter-on-reload.js
2021-02-04 16:48:36 +02:00

53 lines
1.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that a grid highlighter showing grid gaps can be displayed after reloading the
// page (Bug 1342051).
const TEST_URI = `
<style type='text/css'>
#grid {
display: grid;
grid-gap: 10px;
}
</style>
<div id="grid">
<div id="cell1">cell1</div>
<div id="cell2">cell2</div>
</div>
`;
add_task(function* () {
yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
info("Check that the grid highlighter can be displayed");
yield checkGridHighlighter();
info("Close the toolbox before reloading the tab");
let target = TargetFactory.forTab(gBrowser.selectedTab);
yield gDevTools.closeToolbox(target);
yield refreshTab(gBrowser.selectedTab);
info("Check that the grid highlighter can be displayed after reloading the page");
yield checkGridHighlighter();
});
function* checkGridHighlighter() {
let {inspector, view} = yield openRuleView();
let {highlighters} = view;
yield selectNode("#grid", inspector);
let container = getRuleViewProperty(view, "#grid", "display").valueSpan;
let gridToggle = container.querySelector(".ruleview-grid");
info("Toggling ON the CSS grid highlighter from the rule-view.");
let onHighlighterShown = highlighters.once("highlighter-shown");
gridToggle.click();
yield onHighlighterShown;
ok(highlighters.gridHighlighterShown, "CSS grid highlighter is shown.");
}