commit 9a92284a4f9858be7872822fcf3e58b4adce7367
author Bernardo Rufino <brufino@google.com> Mon Apr 06 17:36:26 2020 +0100
committer Bernardo Rufino <brufino@google.com> Wed Apr 22 17:23:32 2020 +0000
tree 62277c8835f8d619d8c243fc0a418d95d46dd001
parent db675a7377cd19886a4e36d77a6a6d86878fc852

Add accessibility event test to ToastTest

Test: atest ToastTest
Bug: 152839254
Change-Id: Ie87e51a997b7baeabab0ddc645f23d02e4d5a2b0

tests/tests/widget/src/android/widget/cts/ToastTest.java

diff --git a/tests/tests/widget/src/android/widget/cts/ToastTest.java b/tests/tests/widget/src/android/widget/cts/ToastTest.java
index 659c821f..ab81b26 100644
--- a/tests/tests/widget/src/android/widget/cts/ToastTest.java
+++ b/tests/tests/widget/src/android/widget/cts/ToastTest.java
@@ -18,6 +18,8 @@
 
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -26,6 +28,8 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assume.assumeFalse;
 
+import android.app.UiAutomation;
+import android.app.UiAutomation.AccessibilityEventFilter;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
@@ -40,6 +44,7 @@
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -95,10 +100,12 @@
     @Rule
     public ActivityTestRule<CtsActivity> mActivityRule =
             new ActivityTestRule<>(CtsActivity.class);
+    private UiAutomation mUiAutomation;
 
     @Before
     public void setup() {
         mContext = InstrumentationRegistry.getTargetContext();
+        mUiAutomation = InstrumentationRegistry.getInstrumentation().getUiAutomation();
         mLayoutListener = () -> mLayoutDone = true;
     }
 
@@ -748,6 +755,38 @@
         assertNotNull(toast.getWindowParams());
     }
 
+    @Test
+    public void testShow_whenTextToast_sendsAccessibilityEvent() throws Throwable {
+        makeToast();
+        AccessibilityEventFilter filter =
+                event -> event.getEventType() == AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED;
+
+        AccessibilityEvent event = mUiAutomation.executeAndWaitForEvent(
+                () -> uncheck(() -> mActivityRule.runOnUiThread(mToast::show)), filter, TIME_OUT);
+
+        assertThat(event.getEventType()).isEqualTo(
+                AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
+        assertThat(event.getClassName()).isEqualTo(Toast.class.getCanonicalName());
+        assertThat(event.getPackageName()).isEqualTo(mContext.getPackageName());
+        assertThat(event.getText()).contains(TEST_TOAST_TEXT);
+    }
+
+    @Test
+    public void testShow_whenCustomToast_sendsAccessibilityEvent() throws Throwable {
+        makeCustomToast();
+        AccessibilityEventFilter filter =
+                event -> event.getEventType() == AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED;
+
+        AccessibilityEvent event = mUiAutomation.executeAndWaitForEvent(
+                () -> uncheck(() -> mActivityRule.runOnUiThread(mToast::show)), filter, TIME_OUT);
+
+        assertThat(event.getEventType()).isEqualTo(
+                AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED);
+        assertThat(event.getClassName()).isEqualTo(Toast.class.getCanonicalName());
+        assertThat(event.getPackageName()).isEqualTo(mContext.getPackageName());
+        assertThat(event.getText()).contains(TEST_CUSTOM_TOAST_TEXT);
+    }
+
     private ConditionVariable registerBlockingReceiver(String action) {
         ConditionVariable broadcastReceived = new ConditionVariable(false);
         IntentFilter filter = new IntentFilter(action);
@@ -799,6 +838,18 @@
         return pm.hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
     }
 
+    private static void uncheck(ThrowingRunnable runnable) {
+        try {
+            runnable.run();
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private interface ThrowingRunnable {
+        void run() throws Throwable;
+    }
+
     private static class ConditionCallback extends Toast.Callback {
         private final ConditionVariable mToastShown;
         private final ConditionVariable mToastHidden;