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Fix exception message and add test cases.

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This commit is contained in:
PMExtra
2020-04-03 15:03:10 +08:00
parent c83bec6e81
commit 774d49a908
2 changed files with 5 additions and 1 deletions
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Source/MQTTnet/Extensions/UserPropertyExtension.cs
+1 -1
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@@ -25,7 +25,7 @@ namespace MQTTnet.Extensions
}
catch (Exception ex)
{
throw new InvalidOperationException($"Cannot convert value({value}) of UserProperty({propertyName}) to {typeof(T).FullName}.", ex);
throw new InvalidOperationException($"Cannot convert value({value ?? "null"}) of UserProperty({propertyName}) to {typeof(T).FullName}.", ex);
}
}
}
Tests/MQTTnet.Core.Tests/MqttApplicationMessage_Tests.cs
+4
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@@ -1,3 +1,4 @@
using System;
using System.Collections.Generic;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using MQTTnet.Extensions;
@@ -24,6 +25,9 @@ namespace MQTTnet.Tests
Assert.AreEqual("bar", message.GetUserProperty("foo"));
Assert.AreEqual(1011, message.GetUserProperty<int>("value"));
Assert.AreEqual("insensitive", message.GetUserProperty("case"));
Assert.AreEqual(null, message.GetUserProperty("nonExists"));
Assert.AreEqual(null, message.GetUserProperty<int?>("nonExists"));
Assert.ThrowsException<InvalidOperationException>(() => message.GetUserProperty<int>("nonExists"));
}
}
}