1 files changed, 80 insertions, 0 deletions
diff --git a/devtools/client/inspector/rules/test/browser_rules_edit-value-after-name_02.js b/devtools/client/inspector/rules/test/browser_rules_edit-value-after-name_02.js
new file mode 100644
index 0000000000..95b6dccea9
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+++ b/devtools/client/inspector/rules/test/browser_rules_edit-value-after-name_02.js
@@ -0,0 +1,80 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that hitting shift + click on color swatch while editing the property
+// name will only change the color unit and not lead to edit the property value.
+// See also Bug 1248274.
+
+const TEST_URI = `
+  <style type="text/css">
+  #testid {
+    color: red;
+    background: linear-gradient(
+      90deg,
+      rgb(183,222,237),
+      rgb(33,180,226),
+      rgb(31,170,217),
+      rgba(200,170,140,0.5));
+  }
+  </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();
+
+  info("Test shift + click on color swatch while editing property name");
+
+  await selectNode("#testid", inspector);
+  const prop = getTextProperty(view, 1, {
+    background:
+      "linear-gradient( 90deg, rgb(183,222,237), rgb(33,180,226), rgb(31,170,217), rgba(200,170,140,0.5))",
+  });
+  const propEditor = prop.editor;
+
+  const swatchSpan = propEditor.valueSpan.querySelectorAll(
+    ".ruleview-colorswatch"
+  )[2];
+
+  info("Focus the background name span");
+  await focusEditableField(view, propEditor.nameSpan);
+  const editor = inplaceEditor(propEditor.doc.activeElement);
+
+  info(
+    "Modify the property to background-image to trigger the " +
+      "property-value-updated event"
+  );
+  editor.input.value = "background-image";
+
+  const onPropertyValueUpdate = view.once("property-value-updated");
+  const onSwatchUnitChange = swatchSpan.once("unit-change");
+  const onRuleViewChanged = view.once("ruleview-changed");
+
+  info("blur propEditor.nameSpan by clicking on the color swatch");
+  EventUtils.synthesizeMouseAtCenter(
+    swatchSpan,
+    { shiftKey: true },
+    propEditor.doc.defaultView
+  );
+
+  info(
+    "wait for ruleview-changed event to be triggered to prevent pending requests"
+  );
+  await onRuleViewChanged;
+
+  info("wait for the color unit to change");
+  await onSwatchUnitChange;
+  ok(true, "the color unit was changed");
+
+  info("wait for the property value to be updated");
+  await onPropertyValueUpdate;
+
+  ok(
+    !inplaceEditor(propEditor.valueSpan),
+    "The inplace editor wasn't shown " +
+      "as a result of the color swatch shift + click"
+  );
+});