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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests the computed-view keyboard navigation.
const TEST_URI = `
<style type="text/css">
span {
font-variant: small-caps;
color: #000000;
}
.nomatches {
color: #ff0000;
}
</style>
<div id="first" style="margin: 10em;
font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">
<h1>Some header text</h1>
<p id="salutation" style="font-size: 12pt">hi.</p>
<p id="body" style="font-size: 12pt">I am a test-case. This text exists
solely to provide some things to <span style="color: yellow">
highlight</span> and <span style="font-weight: bold">count</span>
style list-items in the box at right. If you are reading this,
you should go do something else instead. Maybe read a book. Or better
yet, write some test-cases for another bit of code.
<span style="font-style: italic">some text</span></p>
<p id="closing">more text</p>
<p>even more text</p>
</div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openComputedView();
await selectNode("span", inspector);
info("Selecting the first computed style in the list");
const firstStyle = view.styleDocument.querySelector(
"#computed-container .computed-property-view"
);
ok(firstStyle, "First computed style found in panel");
firstStyle.focus();
info("Tab to select the 2nd style and press return");
let onExpanded = inspector.once("computed-view-property-expanded");
EventUtils.synthesizeKey("KEY_Tab");
EventUtils.synthesizeKey("KEY_Enter");
await onExpanded;
info("Verify the 2nd style has been expanded");
const secondStyleSelectors = view.styleDocument.querySelectorAll(
".computed-property-view .matchedselectors"
)[1];
ok(!!secondStyleSelectors.childNodes.length, "Matched selectors expanded");
info("Tab back up and test the same thing, with space");
onExpanded = inspector.once("computed-view-property-expanded");
EventUtils.synthesizeKey("KEY_Tab", { shiftKey: true });
EventUtils.synthesizeKey(" ");
await onExpanded;
info("Verify the 1st style has been expanded too");
const firstStyleSelectors = view.styleDocument.querySelectorAll(
".computed-property-view .matchedselectors"
)[0];
ok(!!firstStyleSelectors.childNodes.length, "Matched selectors expanded");
});