1 files changed, 64 insertions, 0 deletions
diff --git a/devtools/client/inspector/animation/test/browser_animation_animation-target_select.js b/devtools/client/inspector/animation/test/browser_animation_animation-target_select.js
new file mode 100644
index 0000000000..970778c4c6
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+++ b/devtools/client/inspector/animation/test/browser_animation_animation-target_select.js
@@ -0,0 +1,64 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test for following selection feature related AnimationTarget component works:
+// * select selected node by clicking on target node
+
+add_task(async function () {
+  await addTab(URL_ROOT + "doc_simple_animation.html");
+  await removeAnimatedElementsExcept([".multi", ".long"]);
+  const { animationInspector, panel } = await openAnimationInspector();
+
+  info("Check initial status");
+  is(
+    panel.querySelectorAll(".animation-item").length,
+    3,
+    "The length of animations should be 3. Two .multi animations and one .long animation"
+  );
+
+  info("Check selecting an animated node by clicking on the target node");
+  await clickOnTargetNode(animationInspector, panel, 0);
+  assertNodeFront(
+    animationInspector.inspector.selection.nodeFront,
+    "DIV",
+    "ball multi"
+  );
+  is(
+    panel.querySelectorAll(".animation-item").length,
+    2,
+    "The length of animations should be 2"
+  );
+
+  info("Check if the both target nodes refer to the same node");
+  await clickOnTargetNode(animationInspector, panel, 1);
+  assertNodeFront(
+    animationInspector.inspector.selection.nodeFront,
+    "DIV",
+    "ball multi"
+  );
+  is(
+    panel.querySelectorAll(".animation-item").length,
+    2,
+    "The length of animations should be 2"
+  );
+});
+
+function assertNodeFront(nodeFront, tagName, classValue) {
+  is(
+    nodeFront.tagName,
+    tagName,
+    "The highlighted node has the correct tagName"
+  );
+  is(
+    nodeFront.attributes[0].name,
+    "class",
+    "The highlighted node has the correct attributes"
+  );
+  is(
+    nodeFront.attributes[0].value,
+    classValue,
+    "The highlighted node has the correct class"
+  );
+}