Add tests for TaskbarAutohideSuspendController.

Test: TaskbarAutohideSuspendControllerTest
Flag: TEST_ONLY
Bug: 346394406
Change-Id: If115625cb5a6bf2e7653dbe7225b60bf1c6f3836
diff --git a/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarAutohideSuspendControllerTest.kt b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarAutohideSuspendControllerTest.kt
new file mode 100644
index 0000000..f3fff9f
--- /dev/null
+++ b/quickstep/tests/multivalentTests/src/com/android/launcher3/taskbar/TaskbarAutohideSuspendControllerTest.kt
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 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.launcher3.taskbar
+
+import android.animation.AnimatorTestRule
+import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation
+import com.android.launcher3.taskbar.TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_DRAGGING
+import com.android.launcher3.taskbar.TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_IN_LAUNCHER
+import com.android.launcher3.taskbar.TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_TOUCHING
+import com.android.launcher3.taskbar.rules.TaskbarModeRule
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.Mode.TRANSIENT
+import com.android.launcher3.taskbar.rules.TaskbarModeRule.TaskbarMode
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule
+import com.android.launcher3.taskbar.rules.TaskbarUnitTestRule.InjectController
+import com.android.launcher3.taskbar.rules.TaskbarWindowSandboxContext
+import com.android.launcher3.util.LauncherMultivalentJUnit
+import com.android.launcher3.util.LauncherMultivalentJUnit.EmulatedDevices
+import com.android.quickstep.SystemUiProxy
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TestRule
+import org.junit.runner.RunWith
+import org.junit.runners.model.Statement
+
+@RunWith(LauncherMultivalentJUnit::class)
+@EmulatedDevices(["pixelTablet2023"])
+class TaskbarAutohideSuspendControllerTest {
+
+    private val context = TaskbarWindowSandboxContext.create(getInstrumentation().targetContext)
+
+    @get:Rule(order = 0) val animatorTestRule = AnimatorTestRule(this)
+    @get:Rule(order = 1)
+    val systemUiProxyRule = TestRule { base, _ ->
+        object : Statement() {
+            override fun evaluate() {
+                getInstrumentation().runOnMainSync {
+                    context.applicationContext.putObject(
+                        SystemUiProxy.INSTANCE,
+                        object : SystemUiProxy(context) {
+                            override fun notifyTaskbarAutohideSuspend(suspend: Boolean) {
+                                latestSuspendNotification = suspend
+                            }
+                        },
+                    )
+                }
+                base.evaluate()
+            }
+        }
+    }
+    @get:Rule(order = 2) val taskbarModeRule = TaskbarModeRule(context)
+    @get:Rule(order = 3) val taskbarUnitTestRule = TaskbarUnitTestRule(this, context)
+
+    @InjectController lateinit var autohideSuspendController: TaskbarAutohideSuspendController
+    @InjectController lateinit var stashController: TaskbarStashController
+
+    private var latestSuspendNotification: Boolean? = null
+
+    @Test
+    fun testUpdateFlag_suspendInLauncher_notifiesSuspend() {
+        getInstrumentation().runOnMainSync {
+            autohideSuspendController.updateFlag(FLAG_AUTOHIDE_SUSPEND_IN_LAUNCHER, true)
+        }
+        assertThat(latestSuspendNotification).isTrue()
+    }
+
+    @Test
+    fun testUpdateFlag_toggleSuspendDraggingTwice_notifiesUnsuspend() {
+        getInstrumentation().runOnMainSync {
+            autohideSuspendController.updateFlag(FLAG_AUTOHIDE_SUSPEND_DRAGGING, true)
+            autohideSuspendController.updateFlag(FLAG_AUTOHIDE_SUSPEND_DRAGGING, false)
+        }
+        assertThat(latestSuspendNotification).isFalse()
+    }
+
+    @Test
+    fun testUpdateFlag_resetsAlreadyUnsetFlag_noNotifyUnsuspend() {
+        getInstrumentation().runOnMainSync {
+            autohideSuspendController.updateFlag(FLAG_AUTOHIDE_SUSPEND_DRAGGING, false)
+        }
+        assertThat(latestSuspendNotification).isNull()
+    }
+
+    @Test
+    @TaskbarMode(TRANSIENT)
+    fun testUpdateFlag_suspendTransientTaskbarForTouch_cancelsAutoStashTimeout() {
+        // Unstash and verify alarm.
+        getInstrumentation().runOnMainSync {
+            stashController.updateAndAnimateTransientTaskbar(false)
+            animatorTestRule.advanceTimeBy(stashController.stashDuration)
+        }
+        assertThat(stashController.timeoutAlarm.alarmPending()).isTrue()
+
+        // EDU opens while unstashed.
+        getInstrumentation().runOnMainSync {
+            autohideSuspendController.updateFlag(FLAG_AUTOHIDE_SUSPEND_TOUCHING, true)
+        }
+        assertThat(stashController.timeoutAlarm.alarmPending()).isFalse()
+    }
+}