Merge "Copy Uri#isPathPrefixMatch to DcTrackerTest to avoid using hidden API in Uri."

import java.util.Arrays;

import java.util.HashMap;

import java.util.List;

import java.util.Objects;

import java.util.concurrent.atomic.AtomicInteger;

public class DcTrackerTest extends TelephonyTest {

                    return mc;

                }

            } else if (uri.isPathPrefixMatch(

            } else if (isPathPrefixMatch(uri,

                    Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI, "preferapnset"))) {

                MatrixCursor mc = new MatrixCursor(

                        new String[]{Telephony.Carriers.APN_SET_ID});

        waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

        assertFalse(getWatchdogStatus());

    }

    /**

     * Test if this is a path prefix match against the given Uri. Verifies that

     * scheme, authority, and atomic path segments match.

     *

     * Copied from frameworks/base/core/java/android/net/Uri.java

     */

    private boolean isPathPrefixMatch(Uri uriA, Uri uriB) {

        if (!Objects.equals(uriA.getScheme(), uriB.getScheme())) return false;

        if (!Objects.equals(uriA.getAuthority(), uriB.getAuthority())) return false;

        List<String> segA = uriA.getPathSegments();

        List<String> segB = uriB.getPathSegments();

        final int size = segB.size();

        if (segA.size() < size) return false;

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

            if (!Objects.equals(segA.get(i), segB.get(i))) {

                return false;

            }

        }

        return true;

    }

}