/// <summary>
/// Tests a simple way read/write operation.
/// </summary>
/// <param name="cache"></param>
public void DoOsmDataCacheTestWay(OsmDataCache cache)
{
Way way = Way.Create(1, new TagsCollection(
Tag.Create("way", "yes")), 1, 2);
// test invalid stuff.
Assert.Throws <ArgumentNullException>(() => cache.AddWay(null));
Assert.Throws <Exception>(() => cache.AddWay(new Way()));
Assert.IsNull(cache.GetWay(way.Id.Value));
cache.AddWay(way);
Assert.IsTrue(cache.ContainsWay(way.Id.Value));
Way readWay = cache.GetWay(way.Id.Value);
Assert.IsNotNull(readWay);
Assert.AreEqual(1, readWay.Id.Value);
Assert.IsNotNull(way.Tags);
Assert.AreEqual(1, way.Tags.Count);
Assert.AreEqual("yes", way.Tags["way"]);
Assert.IsTrue(cache.TryGetWay(way.Id.Value, out readWay));
Assert.IsNotNull(readWay);
Assert.AreEqual(1, readWay.Id.Value);
Assert.IsNotNull(way.Tags);
Assert.AreEqual(1, way.Tags.Count);
Assert.AreEqual("yes", way.Tags["way"]);
Assert.IsTrue(cache.RemoveWay(way.Id.Value));
Assert.IsFalse(cache.ContainsWay(way.Id.Value));
Assert.IsFalse(cache.RemoveWay(way.Id.Value));
}
/// <summary>
/// Reports that the way with the given id was used.
/// </summary>
/// <param name="wayId"></param>
private void ReportWayUsage(long wayId)
{
int wayCount;
if (_waysUsedTwiceOrMore.TryGetValue(wayId, out wayCount))
{ // way is used twice or more.
wayCount--;
if (wayCount > 0)
{ // update count.
_waysUsedTwiceOrMore[wayId] = wayCount;
}
else
{ // remove twice or more.
_waysUsedTwiceOrMore.Remove(wayId);
}
}
else
{ // the way was used for the last time.
Way way = _dataCache.GetWay(wayId); // get the way before it is removed.
_dataCache.RemoveWay(wayId); // remove from cache.
if (way != null && way.Nodes != null)
{ // report usage.
way.Nodes.ForEach(x => this.ReportNodeUsage(x));
}
}
}
