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Add Tests for WriteToBuffer

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This commit is contained in:
Peter Butzhammer
2024-02-07 13:47:13 +01:00
parent d4a8ef9cb3
commit 4389e81340
3 changed files with 53 additions and 2 deletions
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4
Sharp7.Rx.Tests/S7ValueConverterTests.cs → Sharp7.Rx.Tests/S7ValueConverterTests/S7ValueConverterTests.cs
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@@ -2,10 +2,10 @@
using Sharp7.Rx.Interfaces;
using Shouldly;
namespace Sharp7.Rx.Tests;
namespace Sharp7.Rx.Tests.S7ValueConverterTests;
[TestFixture]
public class S7ValueConverterTests
public class ConvertToType
{
static readonly IS7VariableNameParser parser = new S7VariableNameParser();

47
Sharp7.Rx.Tests/S7ValueConverterTests/WriteToBuffer.cs Normal file
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@@ -0,0 +1,47 @@
using NUnit.Framework;
using Sharp7.Rx.Interfaces;
using Shouldly;
namespace Sharp7.Rx.Tests.S7ValueConverterTests;
[TestFixture]
public class WriteToBuffer
{
static readonly IS7VariableNameParser parser = new S7VariableNameParser();
[TestCase(true, "DB0.DBx0.0", new byte[] {0x01})]
[TestCase(false, "DB0.DBx0.0", new byte[] {0x00})]
[TestCase(true, "DB0.DBx0.4", new byte[] {0x10})]
[TestCase(false, "DB0.DBx0.4", new byte[] {0})]
[TestCase(true, "DB0.DBx0.4", new byte[] {0x1F})]
[TestCase(false, "DB0.DBx0.4", new byte[] {0xEF})]
[TestCase((byte) 18, "DB0.DBB0", new byte[] {0x12})]
[TestCase((char) 18, "DB0.DBB0", new byte[] {0x12})]
[TestCase((short) 4660, "DB0.INT0", new byte[] {0x12, 0x34})]
[TestCase((short) -3532, "DB0.INT0", new byte[] {0xF2, 0x34})]
[TestCase(-3532, "DB0.INT0", new byte[] {0xF2, 0x34})]
[TestCase(305419879, "DB0.DINT0", new byte[] {0x12, 0x34, 0x56, 0x67})]
[TestCase(-231451033, "DB0.DINT0", new byte[] {0xF2, 0x34, 0x56, 0x67})]
[TestCase(1311768394163015151L, "DB0.dul0", new byte[] {0x12, 0x34, 0x56, 0x67, 0x89, 0xAB, 0xCD, 0xEF})]
[TestCase(-994074615050678801L, "DB0.dul0", new byte[] {0xF2, 0x34, 0x56, 0x67, 0x89, 0xAB, 0xCD, 0xEF})]
[TestCase(1311768394163015151uL, "DB0.dul0", new byte[] {0x12, 0x34, 0x56, 0x67, 0x89, 0xAB, 0xCD, 0xEF})]
[TestCase(17452669458658872815uL, "DB0.dul0", new byte[] {0xF2, 0x34, 0x56, 0x67, 0x89, 0xAB, 0xCD, 0xEF})]
[TestCase(new byte[] {0x12, 0x34, 0x56, 0x67}, "DB0.DBB0.4", new byte[] {0x12, 0x34, 0x56, 0x67})]
[TestCase(0.25f, "DB0.D0", new byte[] {0x3E, 0x80, 0x00, 0x00})]
[TestCase(0.25, "DB0.D0", new byte[] {0x3E, 0x80, 0x00, 0x00})]
[TestCase("ABCD", "DB0.string0.4", new byte[] {0x00, 0x04, 0x41, 0x42, 0x43, 0x44})]
[TestCase("ABCD", "DB0.string0.4", new byte[] {0x00, 0xF0, 0x41, 0x42, 0x43, 0x44})] // Clip to length in Address
[TestCase("ABCD", "DB0.DBB0.4", new byte[] {0x41, 0x42, 0x43, 0x44})]
public void Write<T>(T expected, string address, byte[] data)
{
//Arrange
var variableAddress = parser.Parse(address);
var buffer = new byte[variableAddress.Length];
//Act
S7ValueConverter.WriteToBuffer(buffer, expected, variableAddress);
//Assert
buffer.ShouldBe(data);
}
}

4
Sharp7.Rx/S7ValueConverter.cs
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@@ -7,6 +7,10 @@ namespace Sharp7.Rx;
internal static class S7ValueConverter
{
public static void WriteToBuffer<TValue>(Span<byte> buffer, TValue value, S7VariableAddress address)
{
}
public static TValue ConvertToType<TValue>(byte[] buffer, S7VariableAddress address)
{
if (typeof(TValue) == typeof(bool))