1 files changed, 32 insertions, 0 deletions
diff --git a/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js b/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js
new file mode 100644
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+++ b/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js
@@ -0,0 +1,32 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Tests that the computed view refreshes when the current node has its style
+// changed.
+
+const TEST_URI = "<div id='testdiv' style='font-size:10px;'>Test div!</div>";
+
+add_task(async function () {
+  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+  const { inspector, view } = await openComputedView();
+  await selectNode("#testdiv", inspector);
+
+  let fontSize = getComputedViewPropertyValue(view, "font-size");
+  is(fontSize, "10px", "The computed view shows the right font-size");
+
+  info("Changing the node's style and waiting for the update");
+  const onUpdated = inspector.once("computed-view-refreshed");
+  await setContentPageElementAttribute(
+    "#testdiv",
+    "style",
+    "font-size: 15px; color: red;"
+  );
+  await onUpdated;
+
+  fontSize = getComputedViewPropertyValue(view, "font-size");
+  is(fontSize, "15px", "The computed view shows the updated font-size");
+  const color = getComputedViewPropertyValue(view, "color");
+  is(color, "rgb(255, 0, 0)", "The computed view also shows the color now");
+});