1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/inactive-property-helper/multicol-container-properties.mjs b/devtools/server/tests/chrome/inactive-property-helper/multicol-container-properties.mjs
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+++ b/devtools/server/tests/chrome/inactive-property-helper/multicol-container-properties.mjs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// InactivePropertyHelper test cases:
+// `column-fill`, `column-rule`, `column-rule-color`, `column-rule-style`,
+// and `column-rule-width`.
+let tests = [];
+
+for (const { propertyName, propertyValue } of [
+  { propertyName: "column-fill", propertyValue: "auto" },
+  { propertyName: "column-rule", propertyValue: "1px solid black" },
+  { propertyName: "column-rule-color", propertyValue: "black" },
+  { propertyName: "column-rule-style", propertyValue: "solid" },
+  { propertyName: "column-rule-width", propertyValue: "1px" },
+]) {
+  tests = tests.concat(createTestsForProp(propertyName, propertyValue));
+}
+
+function createTestsForProp(propertyName, propertyValue) {
+  return [
+    {
+      info: `${propertyName} is active on a multi-column container`,
+      property: propertyName,
+      tagName: "div",
+      rules: [`div { columns:2; ${propertyName}: ${propertyValue}; }`],
+      isActive: true,
+    },
+    {
+      info: `${propertyName} is inactive on a non-multi-column container`,
+      property: propertyName,
+      tagName: "div",
+      rules: [`div { ${propertyName}: ${propertyValue}; }`],
+      isActive: false,
+    },
+  ];
+}
+
+export default tests;