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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that the computed view properties can be expanded and collapsed with
// either the twisty or by dbl-clicking on the container.
const TEST_URI = `
<style type="text/css"> ,
html { color: #000000; font-size: 15pt; }
h1 { color: red; }
</style>
<h1>Some header text</h1>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openComputedView();
await selectNode("h1", inspector);
await testExpandOnTwistyClick(view, inspector);
await testCollapseOnTwistyClick(view, inspector);
await testExpandOnDblClick(view, inspector);
await testCollapseOnDblClick(view, inspector);
});
async function testExpandOnTwistyClick({ styleDocument }, inspector) {
info("Testing that a property expands on twisty click");
info("Getting twisty element");
const twisty = styleDocument.querySelector(".computed-expandable");
ok(twisty, "Twisty found");
const onExpand = inspector.once("computed-view-property-expanded");
info("Clicking on the twisty element");
twisty.click();
await onExpand;
// Expanded means the matchedselectors div is not empty
const matchedSelectorsEl = twisty
.closest(".computed-property-view")
.querySelector(".matchedselectors");
ok(
!!matchedSelectorsEl.childNodes.length,
"Matched selectors are expanded on twisty click"
);
}
async function testCollapseOnTwistyClick({ styleDocument }, inspector) {
info("Testing that a property collapses on twisty click");
info("Getting twisty element");
const twisty = styleDocument.querySelector(".computed-expandable");
ok(twisty, "Twisty found");
const onCollapse = inspector.once("computed-view-property-collapsed");
info("Clicking on the twisty element");
twisty.click();
await onCollapse;
// Collapsed means the matchedselectors div is empty
const matchedSelectorsEl = twisty
.closest(".computed-property-view")
.querySelector(".matchedselectors");
is(
matchedSelectorsEl.childNodes.length,
0,
"Matched selectors are collapsed on twisty click"
);
}
async function testExpandOnDblClick({ styleDocument, styleWindow }, inspector) {
info("Testing that a property expands on container dbl-click");
info("Getting computed property container");
const container = styleDocument.querySelector(
"#computed-container .computed-property-view"
);
ok(container, "Container found");
container.scrollIntoView();
const onExpand = inspector.once("computed-view-property-expanded");
info("Dbl-clicking on the container");
EventUtils.synthesizeMouseAtCenter(container, { clickCount: 2 }, styleWindow);
await onExpand;
// Expanded means the matchedselectors div is not empty
const matchedSelectorsEl = container.querySelector(".matchedselectors");
ok(
!!matchedSelectorsEl.childNodes.length,
"Matched selectors are expanded on dblclick"
);
}
async function testCollapseOnDblClick(
{ styleDocument, styleWindow },
inspector
) {
info("Testing that a property collapses on container dbl-click");
info("Getting computed property container");
const container = styleDocument.querySelector(
"#computed-container .computed-property-view"
);
ok(container, "Container found");
const onCollapse = inspector.once("computed-view-property-collapsed");
info("Dbl-clicking on the container");
EventUtils.synthesizeMouseAtCenter(container, { clickCount: 2 }, styleWindow);
await onCollapse;
// Collapsed means the matchedselectors div is empty
const matchedSelectorsEl = container.querySelector(".matchedselectors");
is(
matchedSelectorsEl.childNodes.length,
0,
"Matched selectors are collapsed on dblclick"
);
}