diff --git a/services/surfaceflinger/tests/unittests/LayerHistoryIntegrationTest.cpp b/services/surfaceflinger/tests/unittests/LayerHistoryIntegrationTest.cpp
index 190c0e8..befef48 100644
--- a/services/surfaceflinger/tests/unittests/LayerHistoryIntegrationTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerHistoryIntegrationTest.cpp
@@ -839,6 +839,81 @@
     ASSERT_EQ(30_Hz, summary[0].desiredRefreshRate);
 }
 
+TEST_F(LayerHistoryIntegrationTest, hidingLayerUpdatesLayerHistory) {
+    createLegacyAndFrontedEndLayer(1);
+    nsecs_t time = systemTime();
+    updateLayerSnapshotsAndLayerHistory(time);
+    EXPECT_EQ(1u, layerCount());
+    EXPECT_EQ(0u, activeLayerCount());
+
+    setBuffer(1);
+    updateLayerSnapshotsAndLayerHistory(time);
+    auto summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1u, summary.size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
+    EXPECT_EQ(1u, activeLayerCount());
+
+    hideLayer(1);
+    updateLayerSnapshotsAndLayerHistory(time);
+
+    summary = summarizeLayerHistory(time);
+    EXPECT_TRUE(summary.empty());
+    EXPECT_EQ(0u, activeLayerCount());
+}
+
+TEST_F(LayerHistoryIntegrationTest, showingLayerUpdatesLayerHistory) {
+    createLegacyAndFrontedEndLayer(1);
+    nsecs_t time = systemTime();
+    updateLayerSnapshotsAndLayerHistory(time);
+    EXPECT_EQ(1u, layerCount());
+    EXPECT_EQ(0u, activeLayerCount());
+    hideLayer(1);
+    setBuffer(1);
+    updateLayerSnapshotsAndLayerHistory(time);
+    auto summary = summarizeLayerHistory(time);
+    EXPECT_TRUE(summary.empty());
+    EXPECT_EQ(0u, activeLayerCount());
+
+    showLayer(1);
+    updateLayerSnapshotsAndLayerHistory(time);
+
+    summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1u, summary.size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
+    EXPECT_EQ(1u, activeLayerCount());
+}
+
+TEST_F(LayerHistoryIntegrationTest, updatingGeometryUpdatesWeight) {
+    createLegacyAndFrontedEndLayer(1);
+    nsecs_t time = systemTime();
+    updateLayerSnapshotsAndLayerHistory(time);
+    EXPECT_EQ(1u, layerCount());
+    EXPECT_EQ(0u, activeLayerCount());
+
+    setBuffer(1,
+              std::make_shared<
+                      renderengine::mock::FakeExternalTexture>(100U /*width*/, 100U /*height*/, 1,
+                                                               HAL_PIXEL_FORMAT_RGBA_8888,
+                                                               GRALLOC_USAGE_PROTECTED /*usage*/));
+    mFlinger.setLayerHistoryDisplayArea(100 * 100);
+    updateLayerSnapshotsAndLayerHistory(time);
+    auto summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1u, summary.size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
+    EXPECT_EQ(1u, activeLayerCount());
+
+    auto startingWeight = summary[0].weight;
+
+    setMatrix(1, 0.1f, 0.f, 0.f, 0.1f);
+    updateLayerSnapshotsAndLayerHistory(time);
+
+    summary = summarizeLayerHistory(time);
+    ASSERT_EQ(1u, summary.size());
+    EXPECT_EQ(LayerHistory::LayerVoteType::Max, summary[0].vote);
+    EXPECT_EQ(1u, activeLayerCount());
+    EXPECT_GT(startingWeight, summary[0].weight);
+}
+
 class LayerHistoryIntegrationTestParameterized
       : public LayerHistoryIntegrationTest,
         public testing::WithParamInterface<std::chrono::nanoseconds> {};
diff --git a/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp b/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
index 57babaf..2cc6dc7 100644
--- a/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
+++ b/services/surfaceflinger/tests/unittests/LayerSnapshotTest.cpp
@@ -789,6 +789,143 @@
     EXPECT_EQ(getSnapshot({.id = 1221})->frameRateSelectionStrategy,
               scheduler::LayerInfo::FrameRateSelectionStrategy::OverrideChildren);
     EXPECT_TRUE(getSnapshot({.id = 1221})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    // ROOT
+    // ├── 1
+    // │   ├── 11
+    // │   │   └── 111
+    // │   ├── 12 (frame rate set to default with strategy default)
+    // │   │   ├── 121
+    // │   │   └── 122 (frame rate set to 123.f)
+    // │   │       └── 1221
+    // │   └── 13
+    // └── 2
+    setFrameRate(12, -1.f, 0, 0);
+    setFrameRateSelectionStrategy(12, 0 /* Default */);
+    UPDATE_AND_VERIFY(mSnapshotBuilder, STARTING_ZORDER);
+    // verify parent 1 gets no vote
+    EXPECT_FALSE(getSnapshot({.id = 1})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 1})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::NoVote);
+    EXPECT_FALSE(getSnapshot({.id = 1})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    // verify layer 12 and all descendants (121, 122, 1221) get the requested vote
+    EXPECT_FALSE(getSnapshot({.id = 12})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::NoVote);
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_TRUE(getSnapshot({.id = 12})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_FALSE(getSnapshot({.id = 121})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::Default);
+    EXPECT_TRUE(getSnapshot({.id = 121})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRate.vote.rate.getValue(), 123.f);
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_TRUE(getSnapshot({.id = 122})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRate.vote.rate.getValue(), 123.f);
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_TRUE(getSnapshot({.id = 1221})->changes.test(RequestedLayerState::Changes::FrameRate));
+}
+
+TEST_F(LayerSnapshotTest, frameRateSelectionStrategyWithCategory) {
+    // ROOT
+    // ├── 1
+    // │   ├── 11
+    // │   │   └── 111
+    // │   ├── 12 (frame rate category set to high with strategy OverrideChildren)
+    // │   │   ├── 121
+    // │   │   └── 122 (frame rate set to 123.f but should be overridden by layer 12)
+    // │   │       └── 1221
+    // │   └── 13
+    // └── 2
+    setFrameRateCategory(12, 4 /* high */);
+    setFrameRate(122, 123.f, 0, 0);
+    setFrameRateSelectionStrategy(12, 1 /* OverrideChildren */);
+
+    UPDATE_AND_VERIFY(mSnapshotBuilder, STARTING_ZORDER);
+    // verify parent 1 gets no vote
+    EXPECT_FALSE(getSnapshot({.id = 1})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 1})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::NoVote);
+    EXPECT_TRUE(getSnapshot({.id = 1})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    // verify layer 12 and all descendants (121, 122, 1221) get the requested vote
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRate.category, FrameRateCategory::High);
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::OverrideChildren);
+    EXPECT_TRUE(getSnapshot({.id = 12})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRate.category, FrameRateCategory::High);
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::OverrideChildren);
+    EXPECT_TRUE(getSnapshot({.id = 121})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRate.category, FrameRateCategory::High);
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::OverrideChildren);
+    EXPECT_TRUE(getSnapshot({.id = 122})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRate.category, FrameRateCategory::High);
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::OverrideChildren);
+    EXPECT_TRUE(getSnapshot({.id = 1221})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    // ROOT
+    // ├── 1
+    // │   ├── 11
+    // │   │   └── 111
+    // │   ├── 12 (frame rate category to default with strategy default)
+    // │   │   ├── 121
+    // │   │   └── 122 (frame rate set to 123.f)
+    // │   │       └── 1221
+    // │   └── 13
+    // └── 2
+    setFrameRateCategory(12, 0 /* default */);
+    setFrameRateSelectionStrategy(12, 0 /* Default */);
+    UPDATE_AND_VERIFY(mSnapshotBuilder, STARTING_ZORDER);
+    // verify parent 1 gets no vote
+    EXPECT_FALSE(getSnapshot({.id = 1})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 1})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::NoVote);
+    EXPECT_EQ(getSnapshot({.id = 1})->frameRate.category, FrameRateCategory::Default);
+    EXPECT_FALSE(getSnapshot({.id = 1})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    // verify layer 12 and all descendants (121, 122, 1221) get the requested vote
+    EXPECT_FALSE(getSnapshot({.id = 12})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::NoVote);
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRate.category, FrameRateCategory::Default);
+    EXPECT_EQ(getSnapshot({.id = 12})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_TRUE(getSnapshot({.id = 12})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_FALSE(getSnapshot({.id = 12})->frameRate.vote.rate.isValid());
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRate.category, FrameRateCategory::Default);
+    EXPECT_EQ(getSnapshot({.id = 121})->frameRate.vote.type,
+              scheduler::FrameRateCompatibility::Default);
+    EXPECT_TRUE(getSnapshot({.id = 121})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRate.vote.rate.getValue(), 123.f);
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_EQ(getSnapshot({.id = 122})->frameRate.category, FrameRateCategory::Default);
+    EXPECT_TRUE(getSnapshot({.id = 122})->changes.test(RequestedLayerState::Changes::FrameRate));
+
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRate.vote.rate.getValue(), 123.f);
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRateSelectionStrategy,
+              scheduler::LayerInfo::FrameRateSelectionStrategy::Self);
+    EXPECT_EQ(getSnapshot({.id = 1221})->frameRate.category, FrameRateCategory::Default);
+    EXPECT_TRUE(getSnapshot({.id = 1221})->changes.test(RequestedLayerState::Changes::FrameRate));
 }
 
 TEST_F(LayerSnapshotTest, skipRoundCornersWhenProtected) {
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index d0b2199..bca14f5 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -623,6 +623,9 @@
 
     void releaseLegacyLayer(uint32_t sequence) { mFlinger->mLegacyLayers.erase(sequence); };
 
+    auto setLayerHistoryDisplayArea(uint32_t displayArea) {
+        return mFlinger->mScheduler->onActiveDisplayAreaChanged(displayArea);
+    };
     auto updateLayerHistory(nsecs_t now) { return mFlinger->updateLayerHistory(now); };
     auto setDaltonizerType(ColorBlindnessType type) {
         mFlinger->mDaltonizer.setType(type);