public void Computes_Simple_Initial_Offsets_Properly()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("1,2,", headers, 0, false);
Assert.Equal(3, line.Offsets.ToArray().Length);
Assert.Equal("1", line[0]);
Assert.Equal("2", line[1]);
Assert.Equal("", line[2]);
}
public void Handles_Mixed_Quoted_Values_Properly()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("one,'t,\"w\",o',\"th'r'ee\"", headers, 5, false);
Assert.Equal(3, line.Offsets.ToArray().Length);
Assert.Equal("one", line[0]);
Assert.Equal("'t,\"w\",o'", line[1]);
Assert.Equal("\"th'r'ee\"", line[2]);
}
public void Write_Throws_On_Rellocation_When_PreventReallocation_True()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("one, two, three", headers, 0, true);
var ex = Record.Exception(() => line[0] = "four");
Assert.NotNull(ex);
Assert.IsType <InvalidOperationException>(ex);
}
public void Write_Reallocates_When_Length_Exceeds_Slack_And_PreventReallocation_Is_False()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("1,2,3", headers, 0, false);
var ex1 = Record.Exception(() => line[0] = "11");
var ex2 = Record.Exception(() => line[1] = "22");
var ex3 = Record.Exception(() => line[2] = "33");
Assert.Null(ex1);
Assert.Null(ex2);
Assert.Null(ex3);
Assert.Equal("11,22,33", line.ToString());
Assert.Equal(0, line.Slack);
}
public void Write_Leaves_Slack_When_Length_Shrinks()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("11,22,33", headers, 0, false);
var ex1 = Record.Exception(() => line[0] = "1");
var ex2 = Record.Exception(() => line[1] = "2");
var ex3 = Record.Exception(() => line[2] = "3");
Assert.Null(ex1);
Assert.Null(ex2);
Assert.Null(ex3);
Assert.Equal("1,2,3", line.ToString());
Assert.Equal(3, line.Slack);
}
public void Write_Reallocates_When_Length_Exceeds_Slack_And_PreventReallocation_Is_False2()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
var line = new LazyCsvLine("1,2,3", headers, 0, false);
var ex1 = Record.Exception(() => line[0] = "Lorem ipsum dolor sit amet consectetur adipiscing elit.");
var ex2 = Record.Exception(() => line[1] = "Nunc a massa sit amet augue lacinia lacinia.");
var ex3 = Record.Exception(() => line[2] = "Aliquam scelerisque placerat turpis ut mollis.");
Assert.Null(ex1);
Assert.Null(ex2);
Assert.Null(ex3);
Assert.Equal("Lorem ipsum dolor sit amet consectetur adipiscing elit.,Nunc a massa sit amet augue lacinia lacinia.,Aliquam scelerisque placerat turpis ut mollis.", line.ToString());
Assert.Equal(0, line.Slack);
}
public void Computes_Initial_Offsets_Properly(string[] strings)
{
var headers = new Dictionary <string, int>();
var offsets = new List <LazyCsvLine.Offset>();
for (int i = 0; i < strings.Length; i++)
{
headers.Add(strings[i], i);
var prev = i == 0 ? new LazyCsvLine.Offset(-1, 0) : offsets[i - 1];
offsets.Add(new LazyCsvLine.Offset(prev.Start + prev.Length + 1, strings[i].Length));
}
var line = new LazyCsvLine(string.Join(",", strings), headers, 5, false);
for (int i = 0; i < offsets.Count; i++)
{
Assert.Equal(offsets[i].Start, line.Offsets.ToArray()[i].Start);
Assert.Equal(offsets[i].Length, line.Offsets.ToArray()[i].Length);
}
}
public void Write_Leaves_Slack_2()
{
var headers = new Dictionary <string, int>()
{
{ "one", 0 },
{ "two", 1 },
{ "three", 2 }
};
// length = 147
var line = new LazyCsvLine("Lorem ipsum dolor sit amet consectetur adipiscing elit.,Nunc a massa sit amet augue lacinia lacinia.,Aliquam scelerisque placerat turpis ut mollis.", headers, 0, false);
var ex1 = Record.Exception(() => line[0] = "1");
var ex2 = Record.Exception(() => line[1] = "2");
var ex3 = Record.Exception(() => line[2] = "3");
Assert.Null(ex1);
Assert.Null(ex2);
Assert.Null(ex3);
Assert.Equal("1,2,3", line.ToString()); // length = 5
Assert.Equal(142, line.Slack); // 147 - 5
}