Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that custom properties are displayed in the computed view.
const TEST_URI = `
<style type="text/css">
body {
--global-custom-property: red;
}
h1 {
color: var(--global-custom-property);
}
#match-1 {
--global-custom-property: blue;
--custom-property-1: lime;
}
#match-2 {
--global-custom-property: gold;
--custom-property-2: cyan;
}
</style>
<h1 id="match-1">Hello</h1>
<h1 id="match-2">World</h1>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openComputedView();
await assertComputedPropertiesForNode(inspector, view, "body", [
{
name: "--global-custom-property",
value: "red",
},
]);
await assertComputedPropertiesForNode(inspector, view, "#match-1", [
{
name: "color",
value: "rgb(0, 0, 255)",
},
{
name: "--custom-property-1",
value: "lime",
},
{
name: "--global-custom-property",
value: "blue",
},
]);
await assertComputedPropertiesForNode(inspector, view, "#match-2", [
{
name: "color",
value: "rgb(255, 215, 0)",
},
{
name: "--custom-property-2",
value: "cyan",
},
{
name: "--global-custom-property",
value: "gold",
},
]);
await assertComputedPropertiesForNode(inspector, view, "html", []);
});
async function assertComputedPropertiesForNode(
inspector,
view,
selector,
expected
) {
await selectNode(selector, inspector);
const computedItems = getComputedViewProperties(view);
is(
computedItems.length,
expected.length,
`Computed view has the expected number of items for "${selector}"`
);
for (let i = 0; i < computedItems.length; i++) {
const expectedData = expected[i];
const computedEl = computedItems[i];
const nameSpan = computedEl.querySelector(".computed-property-name");
const valueSpan = computedEl.querySelector(".computed-property-value");
is(
nameSpan.firstChild.textContent,
expectedData.name,
`computed item #${i} for "${selector}" is the expected one`
);
is(
valueSpan.textContent,
expectedData.value,
`computed item #${i} for "${selector}" has expected value`
);
}
}