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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test to ensure that CSSOM doesn't make the rule view blow up.
const TEST_URI = URL_ROOT + "doc_cssom.html";
add_task(async function () {
await addTab(TEST_URI);
const { inspector, view } = await openRuleView();
await selectNode("#target", inspector);
const elementStyle = view.elementStyle;
let rule;
rule = elementStyle.rules[1];
is(rule.textProps.length, 1, "rule 1 should have one property");
is(rule.textProps[0].name, "color", "the property should be 'color'");
is(rule.ruleLine, 1, "the property has no source line");
rule = elementStyle.rules[2];
is(rule.textProps.length, 1, "rule 2 should have one property");
is(
rule.textProps[0].name,
"font-weight",
"the property should be 'font-weight'"
);
is(rule.ruleLine, 2, "the property has no source line");
info("Check that updating cssom declaration works");
// Testing Bug 1933473
const prop = getTextProperty(view, 1, { color: "seagreen" });
await setProperty(view, prop, "red");
is(
await getComputedStyleProperty("#target", null, "color"),
"rgb(255, 0, 0)",
"target element color was properly updated"
);
info("Select another node and re-select target node to update the rule view");
await selectNode("body", inspector);
await selectNode("#target", inspector);
const newProp = getTextProperty(view, 1, { color: "red" });
ok(!!newProp, "Rule is still visible after updating it");
info("Check that updating cssom declaration in shadow DOM works");
// Testing Bug 1986702
const shadowDomH2NodeFront = await getNodeFrontInShadowDom(
"h2",
"#host",
inspector
);
await selectNode(shadowDomH2NodeFront, inspector);
const shadowDomH2ColorProp = getTextProperty(view, 1, { color: "tomato" });
await setProperty(view, shadowDomH2ColorProp, "blue");
const shadowDomH2Color = await SpecialPowers.spawn(
gBrowser.selectedBrowser,
[],
() => {
return content
.getComputedStyle(
content.document.getElementById("host").shadowRoot.querySelector("h2")
)
.getPropertyValue("color");
}
);
is(
shadowDomH2Color,
"rgb(0, 0, 255)",
"shadow DOM h2 element color was properly updated"
);
info(
"Select another node and re-select shadow DOM h2 node to update the rule view"
);
await selectNode("body", inspector);
await selectNode(shadowDomH2NodeFront, inspector);
const updatedShadowDomH2Prop = getTextProperty(view, 1, { color: "blue" });
ok(!!updatedShadowDomH2Prop, "Rule is still visible after updating it");
});