From 10f731445d2edfda3125aded543b6588b98663e5 Mon Sep 17 00:00:00 2001
From: Christopher Chedeau <vjeuxx@gmail.com>
Date: Tue, 10 Nov 2026 11:19:33 -0800
Subject: [PATCH] test: three Switch and Tooltip marker reads decode their
 frames once

The Switch thumb's clock, the Switch track colour proof's control read
and the Tooltip anchor proof each read the controls with trackControl
and the marker with trackMarker, decoding one cast up to three times.
One trackMarkers call with controlColor now finds them in a single
decode per read. The tracks are unchanged.
---
 .../__tests__/Switch.interaction.browser.spec.ts | 16 +++++++++++-----
 ...osedTriggerAnchor.interaction.browser.spec.ts | 10 ++++++----
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/packages/core/src/Switch/__tests__/Switch.interaction.browser.spec.ts b/packages/core/src/Switch/__tests__/Switch.interaction.browser.spec.ts
index 3a596bbf5d70c..358101bf3cd16 100644
--- a/packages/core/src/Switch/__tests__/Switch.interaction.browser.spec.ts
+++ b/packages/core/src/Switch/__tests__/Switch.interaction.browser.spec.ts
@@ -28,6 +28,7 @@ import {
   armHold,
   blockMainThread,
   compareCurve,
+  controlColor,
   cubicBezier,
   countBetween,
   advanceFrozenPage,
@@ -38,6 +39,7 @@ import {
   installPageFreeze,
   installTimerGate,
   markElement,
+  MARKER_RGB,
   openStory,
   releaseAnimations,
   seekAnimations,
@@ -53,6 +55,7 @@ import {
   traceRendering,
   trackControl,
   trackMarker,
+  trackMarkers,
   waitForRest,
   withStorybook,
   writeEvidence,
@@ -2359,11 +2362,13 @@ test.describe('Switch touch presentation (UISwitch, iOS 26.2), under a finger',
     castFrames: Parameters<typeof trackMarker>[1],
     starts: [number, number],
   ): Promise<ClockedFrame[]> {
-    const pageTime = pageTimesOnControls(await trackControl(page, castFrames), {
-      ahead: await trackControl(page, castFrames, {ahead: true}),
+    const [control, ahead, tracked] = await trackMarkers(page, castFrames, {
+      colors: [controlColor(), controlColor({ahead: true}), MARKER_RGB],
+    });
+    const pageTime = pageTimesOnControls(control, {
+      ahead,
       controlStarts: starts,
     });
-    const tracked = await trackMarker(page, castFrames);
     const shown = tracked.filter(
       (f): f is typeof f & {box: NonNullable<typeof f.box>} =>
         f.box != null && f.box.width > 0 && f.box.height > 0,
@@ -3305,8 +3310,9 @@ test.describe('Switch touch presentation (UISwitch, iOS 26.2), under a finger',
       // The red channel's mean in an 8 px square: a scalar on x. With both
       // controls, a WebKit proof judges each frame at its time on the
       // controls' clock, at display rate.
-      const control = await trackControl(page, read);
-      const ahead = await trackControl(page, read, {ahead: true});
+      const [control, ahead] = await trackMarkers(page, read, {
+        colors: [controlColor(), controlColor({ahead: true})],
+      });
       const colour = await trackBrightness(page, read, {...probe, size: 8});
       runs.push({
         tracked: colour,
diff --git a/packages/core/src/Tooltip/__tests__/TooltipClosedTriggerAnchor.interaction.browser.spec.ts b/packages/core/src/Tooltip/__tests__/TooltipClosedTriggerAnchor.interaction.browser.spec.ts
index d8ae7437d9e70..36535e388505a 100644
--- a/packages/core/src/Tooltip/__tests__/TooltipClosedTriggerAnchor.interaction.browser.spec.ts
+++ b/packages/core/src/Tooltip/__tests__/TooltipClosedTriggerAnchor.interaction.browser.spec.ts
@@ -21,12 +21,13 @@ import {
 import {
   blockMainThread,
   busyWindowProof,
+  controlColor,
   markElement,
+  MARKER_RGB,
   openStory,
   startBusyControl,
   startScreencast,
-  trackControl,
-  trackMarker,
+  trackMarkers,
   withStorybook,
 } from '@astryxdesign/interaction-harness';
 
@@ -89,8 +90,9 @@ test('a surface around a closed tooltip trigger keeps moving through a 500 ms ma
   });
   await page.waitForTimeout(150);
   const frames = await cast.stop();
-  const tracked = await trackMarker(page, frames);
-  const control = await trackControl(page, frames);
+  const [tracked, control] = await trackMarkers(page, frames, {
+    colors: [MARKER_RGB, controlColor()],
+  });
   // Judged against the compositor control in the same frames: the surface
   // moves on every frame the control does.
   const proof = busyWindowProof(tracked, block, {settledWithin: 2, control});