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diff --git a/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt b/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt
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+++ b/tests/src/com/android/launcher3/responsive/CalculatedHotseatSpecTest.kt
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+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.responsive
+
+import android.content.Context
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import androidx.test.platform.app.InstrumentationRegistry
+import com.android.launcher3.AbstractDeviceProfileTest
+import com.android.launcher3.tests.R as TestR
+import com.android.launcher3.util.TestResourceHelper
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class CalculatedHotseatSpecTest : AbstractDeviceProfileTest() {
+    override val runningContext: Context = InstrumentationRegistry.getInstrumentation().context
+
+    /**
+     * This test tests:
+     * - (height spec) gets the correct breakpoint from the XML - skips the first breakpoint
+     */
+    @Test
+    fun normalPhone_returnsSecondBreakpointSpec() {
+        val deviceSpec = deviceSpecs["phone"]!!
+        initializeVarsForPhone(deviceSpec)
+
+        // Hotseat uses the whole device height
+        val availableHeight = deviceSpec.naturalSize.second
+
+        val hotseatSpecs =
+            HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.valid_hotseat_file))
+        val heightSpec = hotseatSpecs.getCalculatedHeightSpec(availableHeight)
+
+        assertThat(heightSpec.availableSpace).isEqualTo(availableHeight)
+        assertThat(heightSpec.hotseatQsbSpace).isEqualTo(95)
+    }
+
+    /**
+     * This test tests:
+     * - (height spec) gets the correct breakpoint from the XML - use the first breakpoint
+     */
+    @Test
+    fun smallPhone_returnsFirstBreakpointSpec() {
+        val deviceSpec = deviceSpecs["phone"]!!
+        deviceSpec.densityDpi = 540 // larger display size
+        initializeVarsForPhone(deviceSpec)
+
+        // Hotseat uses the whole device height
+        val availableHeight = deviceSpec.naturalSize.second
+
+        val hotseatSpecs =
+            HotseatSpecs.create(TestResourceHelper(context!!, TestR.xml.valid_hotseat_file))
+        val heightSpec = hotseatSpecs.getCalculatedHeightSpec(availableHeight)
+
+        assertThat(heightSpec.availableSpace).isEqualTo(availableHeight)
+        assertThat(heightSpec.hotseatQsbSpace).isEqualTo(81)
+    }
+}