2 files changed, 136 insertions, 0 deletions
diff --git a/tests/Input/Android.bp b/tests/Input/Android.bp
index 6742cbe1f19a..168141bf6e7d 100644
--- a/tests/Input/Android.bp
+++ b/tests/Input/Android.bp
@@ -41,6 +41,7 @@ android_test {
         "hamcrest-library",
         "junit-params",
         "kotlin-test",
+        "mockito-kotlin-nodeps",
         "mockito-target-extended-minus-junit4",
         "platform-test-annotations",
         "platform-screenshot-diff-core",
diff --git a/tests/Input/src/com/android/server/input/PointerIconCacheTest.kt b/tests/Input/src/com/android/server/input/PointerIconCacheTest.kt
new file mode 100644
index 000000000000..47e7ac720a08
--- /dev/null
+++ b/tests/Input/src/com/android/server/input/PointerIconCacheTest.kt
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2024 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.server.input
+
+import android.content.Context
+import android.content.ContextWrapper
+import android.os.Handler
+import android.os.test.TestLooper
+import android.platform.test.annotations.Presubmit
+import android.view.Display
+import android.view.PointerIcon
+import androidx.test.platform.app.InstrumentationRegistry
+import junit.framework.Assert.assertEquals
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.mockito.Mock
+import org.mockito.junit.MockitoJUnit
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+
+/**
+ * Tests for {@link PointerIconCache}.
+ */
+@Presubmit
+class PointerIconCacheTest {
+
+    @get:Rule
+    val rule = MockitoJUnit.rule()!!
+
+    @Mock
+    private lateinit var native: NativeInputManagerService
+    @Mock
+    private lateinit var defaultDisplay: Display
+
+    private lateinit var context: Context
+    private lateinit var testLooper: TestLooper
+    private lateinit var cache: PointerIconCache
+
+    @Before
+    fun setup() {
+        whenever(defaultDisplay.displayId).thenReturn(Display.DEFAULT_DISPLAY)
+
+        context = object : ContextWrapper(InstrumentationRegistry.getInstrumentation().context) {
+            override fun getDisplay() = defaultDisplay
+        }
+
+        testLooper = TestLooper()
+        cache = PointerIconCache(context, native, Handler(testLooper.looper))
+    }
+
+    @Test
+    fun testSetPointerScale() {
+        val defaultBitmap = getDefaultIcon().bitmap
+        cache.setPointerScale(2f)
+
+        testLooper.dispatchAll()
+        verify(native).reloadPointerIcons()
+
+        val bitmap =
+            cache.getLoadedPointerIcon(Display.DEFAULT_DISPLAY, PointerIcon.TYPE_ARROW).bitmap
+
+        assertEquals(defaultBitmap.height * 2, bitmap.height)
+        assertEquals(defaultBitmap.width * 2, bitmap.width)
+    }
+
+    @Test
+    fun testSetAccessibilityScaleFactor() {
+        val defaultBitmap = getDefaultIcon().bitmap
+        cache.setAccessibilityScaleFactor(Display.DEFAULT_DISPLAY, 4f)
+
+        testLooper.dispatchAll()
+        verify(native).reloadPointerIcons()
+
+        val bitmap =
+            cache.getLoadedPointerIcon(Display.DEFAULT_DISPLAY, PointerIcon.TYPE_ARROW).bitmap
+
+        assertEquals(defaultBitmap.height * 4, bitmap.height)
+        assertEquals(defaultBitmap.width * 4, bitmap.width)
+    }
+
+    @Test
+    fun testSetAccessibilityScaleFactorOnSecondaryDisplay() {
+        val defaultBitmap = getDefaultIcon().bitmap
+        val secondaryDisplayId = Display.DEFAULT_DISPLAY + 1
+        cache.setAccessibilityScaleFactor(secondaryDisplayId, 4f)
+
+        testLooper.dispatchAll()
+        verify(native).reloadPointerIcons()
+
+        val bitmap =
+            cache.getLoadedPointerIcon(Display.DEFAULT_DISPLAY, PointerIcon.TYPE_ARROW).bitmap
+        assertEquals(defaultBitmap.height, bitmap.height)
+        assertEquals(defaultBitmap.width, bitmap.width)
+
+        val bitmapSecondary =
+            cache.getLoadedPointerIcon(secondaryDisplayId, PointerIcon.TYPE_ARROW).bitmap
+        assertEquals(defaultBitmap.height * 4, bitmapSecondary.height)
+        assertEquals(defaultBitmap.width * 4, bitmapSecondary.width)
+    }
+
+    @Test
+    fun testSetPointerScaleAndAccessibilityScaleFactor() {
+        val defaultBitmap = getDefaultIcon().bitmap
+        cache.setPointerScale(2f)
+        cache.setAccessibilityScaleFactor(Display.DEFAULT_DISPLAY, 3f)
+
+        testLooper.dispatchAll()
+        verify(native, times(2)).reloadPointerIcons()
+
+        val bitmap =
+            cache.getLoadedPointerIcon(Display.DEFAULT_DISPLAY, PointerIcon.TYPE_ARROW).bitmap
+
+        assertEquals(defaultBitmap.height * 6, bitmap.height)
+        assertEquals(defaultBitmap.width * 6, bitmap.width)
+    }
+
+    private fun getDefaultIcon() =
+        PointerIcon.getLoadedSystemIcon(context, PointerIcon.TYPE_ARROW, false, 1f)
+}