maier_st/Sharp7Reactive
1
0
Fork 0
mirror of https://github.com/evopro-ag/Sharp7Reactive.git synced 2025-12-19 20:52:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Improve WriteToBuffer implementation and tests

Browse Source
This commit is contained in:
Peter Butzhammer
2024-02-08 16:45:48 +01:00
parent 3c592c6d46
commit 1001303b8c
4 changed files with 140 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
Sharp7.Rx.Tests/S7ValueConverterTests/WriteToBuffer.cs
View File

@@ -1,13 +1,13 @@
using NUnit.Framework;
using Sharp7.Rx.Interfaces;
using Shouldly;
namespace Sharp7.Rx.Tests.S7ValueConverterTests;
[TestFixture]
internal class WriteToBuffer:ConverterTestBase
internal class WriteToBuffer : ConverterTestBase
{
[TestCaseSource(nameof(GetValidTestCases))]
[TestCaseSource(nameof(GetAdditinalWriteTestCases))]
public void Write(ConverterTestCase tc)
{
//Arrange
@@ -21,15 +21,33 @@ internal class WriteToBuffer:ConverterTestBase
buffer.ShouldBe(tc.Data);
}
public static IEnumerable<ConverterTestCase> GetAdditinalWriteTestCases()
{
yield return new ConverterTestCase("aaaaBCDE", "DB0.string0.4", [0x04, 0x04, 0x61, 0x61, 0x61, 0x61]); // Length in address exceeds PLC string length
yield return new ConverterTestCase("aaaaBCDE", "DB0.WString0.4", [0x00, 0x04, 0x00, 0x04, 0x00, 0x61, 0x00, 0x61, 0x00, 0x61, 0x00, 0x61]); // Length in address exceeds PLC string length
}
[TestCase(18, "DB0.DInt12", 3)]
[TestCase(0.25f, "DB0.Real1", 3)]
[TestCase("test", "DB0.String1.10", 9)]
public void BufferToSmall<T>(T input, string address, int bufferSize)
{
//Arrange
var variableAddress = Parser.Parse(address);
var buffer = new byte[bufferSize];
//Act
Should.Throw<ArgumentException>(() => S7ValueConverter.WriteToBuffer(buffer, input, variableAddress));
}
[TestCase((char) 18, "DB0.DBB0")]
[TestCase(0.25, "DB0.D0")]
public void Invalid<T>(T input, string address)
public void UnsupportedType<T>(T input, string address)
{
//Arrange
var variableAddress = Parser.Parse(address);
var buffer = new byte[variableAddress.BufferLength];
//Act
Should.Throw<InvalidOperationException>(() => S7ValueConverter.WriteToBuffer<T>(buffer, input, variableAddress));
Should.Throw<UnsupportedS7TypeException>(() => S7ValueConverter.WriteToBuffer(buffer, input, variableAddress));
}
}