Add DefaultImeVisibilityTest to test the visibility of the system default IME.

/*

 * 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.inputmethod.stresstest;

import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;

import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.REQUEST_FOCUS_ON_CREATE;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.TestActivity.createIntent;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.callOnMainSync;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.verifyWindowAndViewFocus;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.waitOnMainUntilImeIsHidden;

import static com.android.inputmethod.stresstest.ImeStressTestUtil.waitOnMainUntilImeIsShown;

import static com.google.common.truth.Truth.assertThat;

import android.content.Intent;

import android.platform.test.annotations.RootPermissionTest;

import android.platform.test.rule.UnlockScreenRule;

import android.widget.EditText;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.Parameterized;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

/**

 * Test IME visibility by using system default IME to ensure the behavior is consistent

 * across Android platform versions.

 */

@RootPermissionTest

@RunWith(Parameterized.class)

public final class DefaultImeVisibilityTest {

    @Rule(order = 0)

    public UnlockScreenRule mUnlockScreenRule = new UnlockScreenRule();

    // Use system default IME for test.

    @Rule(order = 1)

    public ImeStressTestRule mImeStressTestRule =

            new ImeStressTestRule(false /* useSimpleTestIme */);

    @Rule(order = 2)

    public ScreenCaptureRule mScreenCaptureRule =

            new ScreenCaptureRule("/sdcard/InputMethodStressTest");

    private static final int NUM_TEST_ITERATIONS = 10;

    @Parameterized.Parameters(name = "isPortrait={0}")

    public static List<Boolean> isPortraitCases() {

        // Test in both portrait and landscape mode.

        return Arrays.asList(true, false);

    }

    public DefaultImeVisibilityTest(boolean isPortrait) {

        mImeStressTestRule.setIsPortrait(isPortrait);

    }

    @Test

    public void showHideDefaultIme() {

        Intent intent =

                createIntent(

                        0x0, /* No window focus flags */

                        SOFT_INPUT_STATE_UNSPECIFIED | SOFT_INPUT_ADJUST_RESIZE,

                        Collections.singletonList(REQUEST_FOCUS_ON_CREATE));

        ImeStressTestUtil.TestActivity activity = ImeStressTestUtil.TestActivity.start(intent);

        EditText editText = activity.getEditText();

        for (int i = 0; i < NUM_TEST_ITERATIONS; i++) {

            boolean showResult = callOnMainSync(activity::showImeWithInputMethodManager);

            assertThat(showResult).isTrue();

            verifyWindowAndViewFocus(editText, true, true);

            waitOnMainUntilImeIsShown(editText);

            boolean hideResult = callOnMainSync(activity::hideImeWithInputMethodManager);

            assertThat(hideResult).isTrue();

            waitOnMainUntilImeIsHidden(editText);

        }

    }

}