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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Tests that the rule-view displays correctly on MathML elements.
const TEST_URI = `
<style>
div {
background-color: hotpink;
}
math {
font-size: 36px;
}
msubsup {
background-color: tomato;
}
</style>
<div>
<math>
<mfrac>
<msubsup>
<mi>a</mi>
<mi>i</mi>
<mi>j</mi>
</msubsup>
<msub>
<mi>x</mi>
<mn style="color: gold;">0</mn>
</msub>
</mfrac>
</math>
</div>
`;
add_task(async function () {
await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
const { inspector, view } = await openRuleView();
info("Select the DIV node and verify the rule-view shows rules");
await selectNode("div", inspector);
is(
getRuleViewPropertyValue(view, "div", "background-color"),
"hotpink",
"background-color in div rule has expected value"
);
info("Select various MathML nodes and check that rules are displayed");
await selectNode("math", inspector);
is(
getRuleViewPropertyValue(view, "math", "font-size"),
"36px",
"font-size in math rule has expected value"
);
await selectNode("msubsup", inspector);
is(
getRuleViewPropertyValue(view, "msubsup", "background-color"),
"tomato",
"background-color in msubsup rule has expected value"
);
await selectNode("mn", inspector);
is(
getRuleViewPropertyValue(view, "element", "color"),
"gold",
"color in mn element style has expected value"
);
info("Select again the DIV node and verify the rule-view shows rules");
await selectNode("div", inspector);
is(
getRuleViewPropertyValue(view, "div", "background-color"),
"hotpink",
"background-color in div rule still has expected value"
);
});