content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java - Issue 359043002: Revert of android: Add test for ContentViewCore readback

Unified Diff: content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java

Issue 359043002: Revert of android: Add test for ContentViewCore readback (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 6 years, 6 months ago

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Index: content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java

diff --git a/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java b/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java

deleted file mode 100644

index 79049bff9af696f1ae5d8ad18c8a4d03ddd13ac7..0000000000000000000000000000000000000000

--- a/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java

+++ /dev/null

@@ -1,124 +0,0 @@

-// Use of this source code is governed by a BSD-style license that can be

-// found in the LICENSE file.

-package org.chromium.content.browser;

-import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;

-import android.graphics.Bitmap;

-import android.graphics.Color;

-import android.graphics.Rect;

-import android.os.SystemClock;

-import android.test.suitebuilder.annotation.SmallTest;

-import junit.framework.AssertionFailedError;

-import org.chromium.base.ThreadUtils;

-import org.chromium.base.test.util.Feature;

-import org.chromium.base.test.util.UrlUtils;

-import org.chromium.content.browser.ContentReadbackHandler.GetBitmapCallback;

-import org.chromium.content.browser.test.util.Criteria;

-import org.chromium.content.browser.test.util.CriteriaHelper;

-import org.chromium.content_shell_apk.ContentShellTestBase;

-import java.util.concurrent.atomic.AtomicBoolean;

-import java.util.concurrent.atomic.AtomicInteger;

-/**

- * Tests that we can readback the contents of a ContentView.

- */

-public class ContentViewReadbackTest extends ContentShellTestBase {

- private static final int COLOR_THRESHOLD = 8;

- private static final long WAIT_FOR_READBACK_TIMEOUT = scaleTimeout(10000);

- @Override

- protected void setUp() throws Exception {

- super.setUp();

- launchContentShellWithUrl(UrlUtils.encodeHtmlDataUri(

- "<html style=\"background: #00f;\"><head><style>body { height: 5000px; }</style>" +

- "</head></html>"));

- assertTrue("Page failed to load", waitForActiveShellToBeDoneLoading());

- }

- private static void assertEqualColor(int actual, int expected, int threshold) {

- int deltaR = Math.abs(Color.red(actual) - Color.red(expected));

- int deltaG = Math.abs(Color.green(actual) - Color.green(expected));

- int deltaB = Math.abs(Color.blue(actual) - Color.blue(expected));

- if (deltaR > threshold || deltaG > threshold || deltaB > threshold) {

- throw new AssertionFailedError(

- "Color does not match; expected " + expected + ", got " + actual);

- }

- private void assertWaitForYScroll(final int previousYScroll) throws InterruptedException {

- assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {

- @Override

- public boolean isSatisfied() {

- return getContentViewCore().getNativeScrollYForTest() > previousYScroll;

- }

- }));

- }

- private void assertWaitForReadback(final AtomicBoolean readbackDone)

- throws InterruptedException {

- assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {

- @Override

- public boolean isSatisfied() {

- return readbackDone.get();

- }

- }, WAIT_FOR_READBACK_TIMEOUT, CriteriaHelper.DEFAULT_POLLING_INTERVAL));

- }

- /**

- * Test to make sure the screenshots captured of the ContentView are not blank.

- *

- * @throws InterruptedException

- */

- @SmallTest

- @Feature({"Main"})

- public void testScreenshotIsNotBlank() throws Throwable {

- final AtomicBoolean readbackDone = new AtomicBoolean(false);

- final AtomicInteger color = new AtomicInteger();

- // We wait on the fling to make sure that the compositor side has a layer available by the

- // time we reach readback.

- int previousYScroll = getContentViewCore().getNativeScrollYForTest();

- ThreadUtils.runOnUiThreadBlocking(new Runnable() {

- @Override

- public void run() {

- getContentViewCore().flingForTest(SystemClock.uptimeMillis(), 0, 0, 0, -100);

- }

- });

- assertWaitForYScroll(previousYScroll);

- runTestOnUiThread(new Runnable() {

- @Override

- public void run() {

- ContentReadbackHandler contentReadbackHandler = new ContentReadbackHandler() {

- @Override

- protected boolean readyForReadback() {

- return true;

- }

- };

- GetBitmapCallback callback = new GetBitmapCallback() {

- @Override

- public void onFinishGetBitmap(boolean success, Bitmap bitmap) {

- // Verify a pixel in the center of the screenshot.

- color.set(bitmap.getPixel(bitmap.getWidth() / 2, bitmap.getHeight() / 2));

- readbackDone.set(success);

- }

- };

- contentReadbackHandler.initNativeContentReadbackHandler();

- contentReadbackHandler.getContentBitmapAsync(1.0f, new Rect(), getContentViewCore(),

- callback);

- }

- });

- assertWaitForReadback(readbackDone);

- assertEqualColor(color.get(), Color.BLUE, COLOR_THRESHOLD);

- }

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