[android-porting] who can help me to solve the probl em how to check gps engine by cts？

[4K^tony]

i want to check the Gps devices by CTS test,but i can not get any data
expected,i just want to read the azimuth\elevation and so on, the
result can be shown by "assert()" or "fail()" ,who can help me?
Thanks!
My source code as follows:
/*
 * Copyright (C) 2008 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 android.location.cts;

import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargetNew;

import android.content.Context;
import android.location.GpsSatellite;
import android.location.GpsStatus;
import android.location.LocationManager;
import android.test.AndroidTestCase;

import java.util.Iterator;

@TestTargetClass(GpsSatellite.class)
public class GpsSatelliteTest extends AndroidTestCase {
    private GpsSatellite mGpsSatellite;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        LocationManager lm =
            (LocationManager)
getContext().getSystemService(Context.LOCATION_SERVICE);
        GpsStatus gpsStatus = lm.getGpsStatus(null);

        Iterator<GpsSatellite> iterator =
gpsStatus.getSatellites().iterator();
        if (iterator.hasNext()) {
            mGpsSatellite = iterator.next();
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "getAzimuth",
        args = {}
    )
    public void testGetAzimuth() {
        if (mGpsSatellite != null) {
            assertTrue(mGpsSatellite.getAzimuth() >= 0 &&
mGpsSatellite.getAzimuth() <= 360);
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "getElevation",
        args = {}
    )
    public void testGetElevation() {
        if (mGpsSatellite != null) {
            assertTrue(mGpsSatellite.getElevation() >= 0 &&
mGpsSatellite.getElevation() <= 90);
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "getPrn",
        args = {}
    )
    public void testGetPrn() {
        if (mGpsSatellite != null) {
            // make sure there is no exception.
            mGpsSatellite.getPrn();
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "getSnr",
        args = {}
    )
    public void testGetSnr() {
        if (mGpsSatellite != null) {
            // make sure there is no exception.
            mGpsSatellite.getSnr();
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "hasAlmanac",
        args = {}
    )
    public void testHasAlmanac() {
        if (mGpsSatellite != null) {
            // make sure there is no exception.
            mGpsSatellite.hasAlmanac();
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "hasEphemeris",
        args = {}
    )
    public void testHasEphemeris() {
        if (mGpsSatellite != null) {
            // make sure there is no exception.
            mGpsSatellite.hasEphemeris();
        }
    }

    @TestTargetNew(
        level = TestLevel.COMPLETE,
        method = "usedInFix",
        args = {}
    )
    public void testUsedInFix() {
        if (mGpsSatellite != null) {
            // make sure there is no exception.
            mGpsSatellite.usedInFix();
        }
    }
}

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