1 files changed, 113 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_search-filter-computed-list_expander.js b/devtools/client/inspector/rules/test/browser_rules_search-filter-computed-list_expander.js
new file mode 100644
index 0000000000..5eeff9b539
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+++ b/devtools/client/inspector/rules/test/browser_rules_search-filter-computed-list_expander.js
@@ -0,0 +1,113 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that the expanded computed list for a property remains open after
+// clearing the rule view search filter.
+
+const SEARCH = "0px";
+
+const TEST_URI = `
+  <style type="text/css">
+    #testid {
+      margin: 4px 0px;
+    }
+    .testclass {
+      background-color: red;
+    }
+  </style>
+  <h1 id="testid" class="testclass">Styled Node</h1>
+`;
+
+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 testOpenExpanderAndAddTextInFilter(inspector, view);
+  await testClearSearchFilter(inspector, view);
+});
+
+async function testOpenExpanderAndAddTextInFilter(inspector, view) {
+  const rule = getRuleViewRuleEditor(view, 1).rule;
+  const ruleEditor = getTextProperty(view, 1, { margin: "4px 0px" }).editor;
+  const computed = ruleEditor.computed;
+
+  info("Opening the computed list of margin property");
+  ruleEditor.expander.click();
+
+  await setSearchFilter(view, SEARCH);
+
+  info("Check that the correct rules are visible");
+  is(view.element.children.length, 2, "Should have 2 rules.");
+  is(
+    getRuleViewRuleEditor(view, 0).rule.selectorText,
+    "element",
+    "First rule is inline element."
+  );
+
+  is(rule.selectorText, "#testid", "Second rule is #testid.");
+  ok(ruleEditor.expander.getAttribute("open"), "Expander is open.");
+  ok(
+    ruleEditor.container.classList.contains("ruleview-highlight"),
+    "margin text property is correctly highlighted."
+  );
+  ok(
+    !computed.hasAttribute("filter-open"),
+    "margin computed list does not contain filter-open class."
+  );
+  ok(
+    computed.hasAttribute("user-open"),
+    "margin computed list contains user-open attribute."
+  );
+
+  ok(
+    !computed.children[0].classList.contains("ruleview-highlight"),
+    "margin-top computed property is not highlighted."
+  );
+  ok(
+    computed.children[1].classList.contains("ruleview-highlight"),
+    "margin-right computed property is correctly highlighted."
+  );
+  ok(
+    !computed.children[2].classList.contains("ruleview-highlight"),
+    "margin-bottom computed property is not highlighted."
+  );
+  ok(
+    computed.children[3].classList.contains("ruleview-highlight"),
+    "margin-left computed property is correctly highlighted."
+  );
+}
+
+async function testClearSearchFilter(inspector, view) {
+  info("Clearing the search filter");
+
+  const searchField = view.searchField;
+  const searchClearButton = view.searchClearButton;
+  const onRuleViewFiltered = inspector.once("ruleview-filtered");
+
+  EventUtils.synthesizeMouseAtCenter(searchClearButton, {}, view.styleWindow);
+
+  await onRuleViewFiltered;
+
+  info("Check the search filter is cleared and no rules are highlighted");
+  is(view.element.children.length, 3, "Should have 3 rules.");
+  ok(!searchField.value, "Search filter is cleared");
+  ok(
+    !view.styleDocument.querySelectorAll(".ruleview-highlight").length,
+    "No rules are higlighted"
+  );
+
+  const ruleEditor = getRuleViewRuleEditor(view, 1).rule.textProps[0].editor;
+  const computed = ruleEditor.computed;
+
+  ok(ruleEditor.expander.getAttribute("open"), "Expander is open.");
+  ok(
+    !computed.hasAttribute("filter-open"),
+    "margin computed list does not contain filter-open class."
+  );
+  ok(
+    computed.hasAttribute("user-open"),
+    "margin computed list contains user-open attribute."
+  );
+}