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SabreTools.Serialization/SabreTools.Data.Extensions.Test/TypeLengthValueTests.cs
Matt Nadareski 7689c6dd07 Libraries 
This change looks dramatic, but it's just separating out the already-split namespaces into separate top-level folders. In theory, every single one could be built into their own Nuget package. `SabreTools.Serialization` still builds the normal Nuget package that is used by all other projects and includes all namespaces.
2026-03-21 16:26:56 -04:00

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using System;
using SabreTools.Data.Models.ASN1;
using Xunit;
#pragma warning disable IDE0230 // Use UTF-8 string literal
namespace SabreTools.Data.Extensions.Test
{
public class TypeLengthValueTests
{
#region Formatting
[Fact]
public void Format_EOC()
{
string expected = "Type: V_ASN1_EOC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_EOC, Length = 0, Value = null };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ZeroLength()
{
string expected = "Type: V_ASN1_NULL, Length: 0";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_NULL, Length = 0, Value = null };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidConstructed()
{
string expected = "Type: V_ASN1_OBJECT, V_ASN1_CONSTRUCTED, Length: 1, Value: [INVALID DATA TYPE]";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OBJECT | ASN1Type.V_ASN1_CONSTRUCTED, Length = 1, Value = false };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidConstructed()
{
string expected = "Type: V_ASN1_OBJECT, V_ASN1_CONSTRUCTED, Length: 3, Value:\n Type: V_ASN1_BOOLEAN, Length: 1, Value: True";
var boolTlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BOOLEAN, Length = 1, Value = new byte[] { 0x01 } };
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OBJECT | ASN1Type.V_ASN1_CONSTRUCTED, Length = 3, Value = new TypeLengthValue[] { boolTlv } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidDataType()
{
string expected = "Type: V_ASN1_OBJECT, Length: 1, Value: [INVALID DATA TYPE]";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OBJECT, Length = 1, Value = false };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidLength()
{
string expected = "Type: V_ASN1_NULL, Length: 1, Value: [NO DATA]";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_NULL, Length = 1, Value = Array.Empty<byte>() };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidBooleanLength()
{
string expected = "Type: V_ASN1_BOOLEAN, Length: 2 [Expected length of 1], Value: True";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BOOLEAN, Length = 2, Value = new byte[] { 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidBooleanArrayLength()
{
string expected = "Type: V_ASN1_BOOLEAN, Length: 1 [Expected value length of 1], Value: True";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BOOLEAN, Length = 1, Value = new byte[] { 0x01, 0x00 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidBoolean()
{
string expected = "Type: V_ASN1_BOOLEAN, Length: 1, Value: True";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BOOLEAN, Length = 1, Value = new byte[] { 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidInteger()
{
string expected = "Type: V_ASN1_INTEGER, Length: 1, Value: 1";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_INTEGER, Length = 1, Value = new byte[] { 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidBitString_NoBits()
{
string expected = "Type: V_ASN1_BIT_STRING, Length: 1, Value with 0 unused bits";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BIT_STRING, Length = 1, Value = new byte[] { 0x00 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidBitString_Bits()
{
string expected = "Type: V_ASN1_BIT_STRING, Length: 1, Value with 1 unused bits: 01";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BIT_STRING, Length = 1, Value = new byte[] { 0x01, 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidOctetString()
{
string expected = "Type: V_ASN1_OCTET_STRING, Length: 1, Value: 01";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OCTET_STRING, Length = 1, Value = new byte[] { 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidObject()
{
string expected = "Type: V_ASN1_OBJECT, Length: 3, Value: 0.1.2.3 (/ITU-T/1/2/3)";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OBJECT, Length = 3, Value = new byte[] { 0x01, 0x02, 0x03 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidUTF8String()
{
string expected = "Type: V_ASN1_UTF8STRING, Length: 3, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_UTF8STRING, Length = 3, Value = new byte[] { 0x41, 0x42, 0x43 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidPrintableString()
{
string expected = "Type: V_ASN1_PRINTABLESTRING, Length: 3, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_PRINTABLESTRING, Length = 3, Value = new byte[] { 0x41, 0x42, 0x43 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidTeletexString()
{
string expected = "Type: V_ASN1_TELETEXSTRING, Length: 3, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_TELETEXSTRING, Length = 3, Value = new byte[] { 0x41, 0x42, 0x43 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidIA5String()
{
string expected = "Type: V_ASN1_IA5STRING, Length: 3, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_IA5STRING, Length = 3, Value = new byte[] { 0x41, 0x42, 0x43 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_InvalidUTCTime()
{
string expected = "Type: V_ASN1_UTCTIME, Length: 3, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_UTCTIME, Length = 3, Value = new byte[] { 0x41, 0x42, 0x43 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidUTCTime()
{
string expected = "Type: V_ASN1_UTCTIME, Length: 3, Value: 1980-01-01 00:00:00";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_UTCTIME, Length = 3, Value = new byte[] { 0x31, 0x39, 0x38, 0x30, 0x2D, 0x30, 0x31, 0x2D, 0x30, 0x31, 0x20, 0x30, 0x30, 0x3A, 0x30, 0x30, 0x3A, 0x30, 0x30 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidBmpString()
{
string expected = "Type: V_ASN1_BMPSTRING, Length: 6, Value: ABC";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_BMPSTRING, Length = 6, Value = new byte[] { 0x41, 0x00, 0x42, 0x00, 0x43, 0x00 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
[Fact]
public void Format_ValidUnformatted()
{
string expected = "Type: V_ASN1_OBJECT_DESCRIPTOR, Length: 1, Value: 01";
var tlv = new TypeLengthValue { Type = ASN1Type.V_ASN1_OBJECT_DESCRIPTOR, Length = 1, Value = new byte[] { 0x01 } };
string actual = tlv.Format();
Assert.Equal(expected, actual);
}
#endregion
}
}
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