From 0884711a6034150851dd8088302eaa0df9e10281 Mon Sep 17 00:00:00 2001
From: Rachel Lee <rnlee@google.com>
Date: Thu, 16 Feb 2023 11:07:48 -0800
Subject: Assert kFrameTimelinesLength for sync.

Want to keep the value in sync with java definition.

Test: change kFrameTimelinesLength and m to observe assert
Bug: 258694738
Change-Id: Id6f53a809015ded83fc15fa8a99c11573559e3b0
---
 libs/gui/VsyncEventData.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libs/gui/VsyncEventData.cpp')

diff --git a/libs/gui/VsyncEventData.cpp b/libs/gui/VsyncEventData.cpp
index 23f0921e99..76c60c23c4 100644
--- a/libs/gui/VsyncEventData.cpp
+++ b/libs/gui/VsyncEventData.cpp
@@ -23,6 +23,9 @@
 
 namespace android::gui {
 
+static_assert(VsyncEventData::kFrameTimelinesLength == 7,
+              "Must update value in DisplayEventReceiver.java#FRAME_TIMELINES_LENGTH (and here)");
+
 int64_t VsyncEventData::preferredVsyncId() const {
     return frameTimelines[preferredFrameTimelineIndex].vsyncId;
 }
-- 
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