1 files changed, 92 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-selector_02.js b/devtools/client/inspector/rules/test/browser_rules_edit-selector_02.js
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index 0000000000..70b58d4e42
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+++ b/devtools/client/inspector/rules/test/browser_rules_edit-selector_02.js
@@ -0,0 +1,92 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Testing selector inplace-editor behaviors in the rule-view with pseudo
+// classes.
+
+const TEST_URI = `
+  <style type="text/css">
+    .testclass {
+      text-align: center;
+    }
+    #testid3::first-letter {
+      text-decoration: "italic"
+    }
+  </style>
+  <div id="testid">Styled Node</div>
+  <span class="testclass">This is a span</span>
+  <div class="testclass2">A</div>
+  <div id="testid3">B</div>
+`;
+
+const PSEUDO_PREF = "devtools.inspector.show_pseudo_elements";
+
+add_task(async function () {
+  // Expand the pseudo-elements section by default.
+  Services.prefs.setBoolPref(PSEUDO_PREF, true);
+
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openRuleView();
+
+  info("Selecting the test element");
+  await selectNode(".testclass", inspector);
+  await testEditSelector(view, "div:nth-child(1)");
+
+  info("Selecting the modified element");
+  await selectNode("#testid", inspector);
+  await checkModifiedElement(view, "div:nth-child(1)");
+
+  info("Selecting the test element");
+  await selectNode("#testid3", inspector);
+  await testEditSelector(view, ".testclass2::first-letter");
+
+  info("Selecting the modified element");
+  await selectNode(".testclass2", inspector);
+  await checkModifiedElement(view, ".testclass2::first-letter");
+
+  // Reset the pseudo-elements section pref to its default value.
+  Services.prefs.clearUserPref(PSEUDO_PREF);
+});
+
+async function testEditSelector(view, name) {
+  info("Test editing existing selector fields");
+
+  const idRuleEditor =
+    getRuleViewRuleEditor(view, 1) || getRuleViewRuleEditor(view, 1, 0);
+
+  info("Focusing an existing selector name in the rule-view");
+  const editor = await focusEditableField(view, idRuleEditor.selectorText);
+
+  is(
+    inplaceEditor(idRuleEditor.selectorText),
+    editor,
+    "The selector editor got focused"
+  );
+
+  info("Entering a new selector name: " + name);
+  editor.input.value = name;
+
+  info("Waiting for rule view to update");
+  const onRuleViewChanged = once(view, "ruleview-changed");
+
+  info("Entering the commit key");
+  EventUtils.synthesizeKey("KEY_Enter");
+  await onRuleViewChanged;
+
+  is(view._elementStyle.rules.length, 2, "Should have 2 rule.");
+  ok(getRuleViewRule(view, name), "Rule with " + name + " selector exists.");
+
+  const newRuleEditor =
+    getRuleViewRuleEditor(view, 1) || getRuleViewRuleEditor(view, 1, 0);
+  ok(
+    newRuleEditor.element.getAttribute("unmatched"),
+    "Rule with " + name + " does not match the current element."
+  );
+}
+
+function checkModifiedElement(view, name) {
+  is(view._elementStyle.rules.length, 2, "Should have 2 rules.");
+  ok(getRuleViewRule(view, name), "Rule with " + name + " selector exists.");
+}