Merge "Make ScrollCaptureControllerTest stricter" into sc-dev am: e8b5b6fb

package com.android.systemui.screenshot;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertTrue;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.ArgumentMatchers.anyFloat;

import static org.mockito.ArgumentMatchers.anyInt;

        public int availableBottom = Integer.MAX_VALUE;

        // If true, return an empty rect any time a partial result would have been returned.

        public boolean emptyInsteadOfPartial = false;

        private int mPreviousTopRequested = 0;

        @Override

        public ListenableFuture<ScrollCaptureClient.CaptureResult> requestTile(int top) {

            // Ensure we don't request a tile more than a tile away.

            assertTrue(Math.abs(top - mPreviousTopRequested) <= getTileHeight());

            mPreviousTopRequested = top;

            Rect requested = new Rect(0, top, getPageWidth(), top + getTileHeight());

            Rect fullContent = new Rect(0, availableTop, getPageWidth(), availableBottom);

            Rect captured = new Rect(requested);

            captured.intersect(fullContent);

            assertTrue(captured.intersect(fullContent));

            if (emptyInsteadOfPartial && captured.height() != getTileHeight()) {

                captured = new Rect();

            }