1 files changed, 64 insertions, 0 deletions
diff --git a/devtools/client/inspector/animation/test/browser_animation_summary-graph_effect-timing-path.js b/devtools/client/inspector/animation/test/browser_animation_summary-graph_effect-timing-path.js
new file mode 100644
index 0000000000..6974eab6c6
--- /dev/null
+++ b/devtools/client/inspector/animation/test/browser_animation_summary-graph_effect-timing-path.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 EffectTimingPath component works.
+// * element existance
+// * path
+
+const TEST_DATA = [
+  {
+    targetClass: "cssanimation-linear",
+  },
+  {
+    targetClass: "delay-negative",
+  },
+  {
+    targetClass: "easing-step",
+    expectedPath: [
+      { x: 0, y: 0 },
+      { x: 499999, y: 0 },
+      { x: 500000, y: 50 },
+      { x: 999999, y: 50 },
+      { x: 1000000, y: 0 },
+    ],
+  },
+  {
+    targetClass: "keyframes-easing-step",
+  },
+];
+
+add_task(async function () {
+  await addTab(URL_ROOT + "doc_multi_timings.html");
+  await removeAnimatedElementsExcept(TEST_DATA.map(t => `.${t.targetClass}`));
+  const { panel } = await openAnimationInspector();
+
+  for (const { targetClass, expectedPath } of TEST_DATA) {
+    const animationItemEl = await findAnimationItemByTargetSelector(
+      panel,
+      `.${targetClass}`
+    );
+
+    info(`Checking effect timing path existance for ${targetClass}`);
+    const effectTimingPathEl = animationItemEl.querySelector(
+      ".animation-effect-timing-path"
+    );
+
+    if (expectedPath) {
+      ok(
+        effectTimingPathEl,
+        "The effect timing path element should be in animation item element"
+      );
+      const pathEl = effectTimingPathEl.querySelector(
+        ".animation-iteration-path"
+      );
+      assertPathSegments(pathEl, false, expectedPath);
+    } else {
+      ok(
+        !effectTimingPathEl,
+        "The effect timing path element should not be in animation item element"
+      );
+    }
+  }
+});