1 files changed, 85 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_shorthand-overridden-lists.js b/devtools/client/inspector/rules/test/browser_rules_shorthand-overridden-lists.js
new file mode 100644
index 0000000000..2ad037d443
--- /dev/null
+++ b/devtools/client/inspector/rules/test/browser_rules_shorthand-overridden-lists.js
@@ -0,0 +1,85 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that the rule view shorthand overridden list works correctly,
+// can be shown and hidden correctly, and contain the right subproperties.
+
+var TEST_URI = `
+  <style type="text/css">
+    div {
+      margin: 0px 1px 2px 3px;
+      top: 0px;
+    }
+    #testid {
+        margin-left: 10px;
+        margin-right: 10px;
+    }
+  </style>
+  <div id="testid">Styled Node</div>
+`;
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+  await selectNode("#testid", inspector);
+  await testComputedList(inspector, view);
+});
+
+function testComputedList(inspector, view) {
+  const rule = getRuleViewRuleEditor(view, 2).rule;
+  const propEditor = rule.textProps[0].editor;
+  const expander = propEditor.expander;
+  const overriddenItems = propEditor.shorthandOverridden.children;
+  const propNames = ["margin-right", "margin-left"];
+
+  ok(!expander.hasAttribute("open"), "margin computed list is closed.");
+  ok(
+    !propEditor.shorthandOverridden.hasAttribute("hidden"),
+    "The shorthandOverridden list should be open."
+  );
+
+  is(
+    overriddenItems.length,
+    propNames.length,
+    "There should be 2 overridden shorthand value."
+  );
+  for (let i = 0; i < propNames.length; i++) {
+    const overriddenItem = overriddenItems[i].querySelector(
+      ".ruleview-propertyname"
+    );
+    is(
+      overriddenItem.textContent,
+      propNames[i],
+      "The overridden item #" + i + " should be " + propNames[i]
+    );
+  }
+
+  info("Opening the computed list of margin property.");
+  expander.click();
+  ok(expander.hasAttribute("open"), "margin computed list is open.");
+  ok(
+    propEditor.shorthandOverridden.hasAttribute("hidden"),
+    "The shorthandOverridden list should be hidden."
+  );
+
+  info("Closing the computed list of margin property.");
+  expander.click();
+  ok(!expander.hasAttribute("open"), "margin computed list is closed.");
+  ok(
+    !propEditor.shorthandOverridden.hasAttribute("hidden"),
+    "The shorthandOverridden list should be open."
+  );
+
+  for (let i = 0; i < propNames.length; i++) {
+    const overriddenItem = overriddenItems[i].querySelector(
+      ".ruleview-propertyname"
+    );
+    is(
+      overriddenItem.textContent,
+      propNames[i],
+      "The overridden item #" + i + " should still be " + propNames[i]
+    );
+  }
+}