public void TestNextWithSearchIds()
{
var testLogs = new List <LogPositionHolderImpl> {
new LogPositionHolderImpl("a"),
new LogPositionHolderImpl("b"),
new LogPositionHolderImpl("c"),
new LogPositionHolderImpl("c")
};
var instance = new LogNavigator <LogPositionHolderImpl>(testLogs);
Assert.True(instance.HasNext());
Assert.Equal(0, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "d"));
Assert.True(instance.HasNext());
Assert.Equal(0, instance.NextIndex);
Assert.Equal(testLogs[1], instance.Next(x => new List <string> {
"c", "b"
}.Contains(x.PositionId)));
Assert.True(instance.HasNext());
Assert.Equal(2, instance.NextIndex);
Assert.Equal(testLogs[2], instance.Next(x => x.PositionId == "c"));
Assert.True(instance.HasNext());
Assert.Equal(3, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "a"));
Assert.True(instance.HasNext());
Assert.Equal(3, instance.NextIndex);
Assert.Equal(testLogs[3], instance.Next(x => x.PositionId == "c"));
Assert.False(instance.HasNext());
Assert.Equal(4, instance.NextIndex);
}
public void TestEmptiness()
{
var instance = new LogNavigator <LogPositionHolderImpl>(new List <LogPositionHolderImpl>());
Assert.False(instance.HasNext());
Assert.Equal(0, instance.NextIndex);
}
public void TestNextWithSearchAndLimitIds()
{
var testLogs = new List <LogPositionHolderImpl>
{
new LogPositionHolderImpl("a"),
new LogPositionHolderImpl("b"),
new LogPositionHolderImpl("c"),
new LogPositionHolderImpl("c")
};
var instance = new LogNavigator <LogPositionHolderImpl>(testLogs);
Assert.True(instance.HasNext());
Assert.Equal(0, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "d", null));
Assert.True(instance.HasNext());
Assert.Equal(0, instance.NextIndex);
Assert.Equal(testLogs[0], instance.Next(x => x.PositionId == "a", x => x.PositionId == "b"));
Assert.True(instance.HasNext());
Assert.Equal(1, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "c", x => x.PositionId == "b"));
Assert.True(instance.HasNext());
Assert.Equal(1, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "b", x => x.PositionId == "b"));
Assert.True(instance.HasNext());
Assert.Equal(1, instance.NextIndex);
Assert.Equal(testLogs[1], instance.Next(x => x.PositionId == "b", x => x.PositionId == "c"));
Assert.True(instance.HasNext());
Assert.Equal(2, instance.NextIndex);
Assert.Null(instance.Next(x => x.PositionId == "c", x => x.PositionId == "c"));
Assert.True(instance.HasNext());
Assert.Equal(2, instance.NextIndex);
Assert.Equal(testLogs[2], instance.Next(x => x.PositionId == "c", null));
Assert.True(instance.HasNext());
Assert.Equal(3, instance.NextIndex);
}
public void TestNext()
{
var testLogs = new List <LogPositionHolderImpl>
{
new LogPositionHolderImpl("a"),
new LogPositionHolderImpl("b"),
new LogPositionHolderImpl("c"),
new LogPositionHolderImpl("c")
};
var instance = new LogNavigator <LogPositionHolderImpl>(testLogs);
for (int i = 0; i < testLogs.Count; i++)
{
Assert.True(instance.HasNext());
Assert.Equal(i, instance.NextIndex);
Assert.Equal(testLogs[i], instance.Next());
}
Assert.False(instance.HasNext());
Assert.Equal(4, instance.NextIndex);
}
