1 files changed, 56 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_authored_override.js b/devtools/client/inspector/rules/test/browser_rules_authored_override.js
new file mode 100644
index 0000000000..d8067d5dc2
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_authored_override.js
@@ -0,0 +1,56 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test for as-authored styles.
+
+async function createTestContent(style) {
+  const html = `<style type="text/css">
+      ${style}
+      </style>
+      <div id="testid" class="testclass">Styled Node</div>`;
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(html));
+
+  const { inspector, view } = await openRuleView();
+  await selectNode("#testid", inspector);
+  return view;
+}
+
+add_task(async function () {
+  const gradientText1 = "(orange, blue);";
+  const gradientText2 = "(pink, teal);";
+
+  const view = await createTestContent(
+    "#testid {" +
+      "  background-image: linear-gradient" +
+      gradientText1 +
+      "  background-image: -ms-linear-gradient" +
+      gradientText2 +
+      "  background-image: linear-gradient" +
+      gradientText2 +
+      "} "
+  );
+
+  const elementStyle = view._elementStyle;
+  const rule = elementStyle.rules[1];
+
+  // Initially the last property should be active.
+  for (let i = 0; i < 3; ++i) {
+    const prop = rule.textProps[i];
+    is(prop.name, "background-image", "check the property name");
+    is(prop.overridden, i !== 2, "check overridden for " + i);
+  }
+
+  await togglePropStatus(view, rule.textProps[2]);
+
+  // Now the first property should be active.
+  for (let i = 0; i < 3; ++i) {
+    const prop = rule.textProps[i];
+    is(
+      prop.overridden || !prop.enabled,
+      i !== 0,
+      "post-change check overridden for " + i
+    );
+  }
+});