public virtual void TestMidKeyOnCurrentApi()
{
// Write a mapfile of simple data: keys are
string TestPrefix = "testMidKeyOnCurrentApi.mapfile";
MapFile.Writer writer = null;
MapFile.Reader reader = null;
try
{
writer = CreateWriter(TestPrefix, typeof(IntWritable), typeof(IntWritable));
// 0,1,....9
int Size = 10;
for (int i = 0; i < Size; i++)
{
writer.Append(new IntWritable(i), new IntWritable(i));
}
writer.Close();
reader = CreateReader(TestPrefix, typeof(IntWritable));
Assert.Equal(new IntWritable((Size - 1) / 2), reader.MidKey());
}
finally
{
IOUtils.Cleanup(null, writer, reader);
}
}
public virtual void TestMidKeyEmpty()
{
// Write a mapfile of simple data: keys are
Path dirName = new Path(TestDir, "testMidKeyEmpty.mapfile");
FileSystem fs = FileSystem.GetLocal(conf);
Path qualifiedDirName = fs.MakeQualified(dirName);
MapFile.Writer writer = new MapFile.Writer(conf, fs, qualifiedDirName.ToString(),
typeof(IntWritable), typeof(IntWritable));
writer.Close();
// Now do getClosest on created mapfile.
MapFile.Reader reader = new MapFile.Reader(qualifiedDirName, conf);
try
{
Assert.Equal(null, reader.MidKey());
}
finally
{
reader.Close();
}
}