Adding automatic generation of DefaultRuntimeFrameworkVersions

test/core-sdk-tasks.Tests/GenerateDefaultRuntimeFrameworkVersionTests.cs

@@ -0,0 +1,28 @@
+using FluentAssertions;
+using Xunit;
+using Microsoft.DotNet.Cli.Build;
+
+namespace EndToEnd
+{
+    public class GenerateDefaultRuntimeFrameworkVersionTests
+    {
+        [Theory]
+        [InlineData("3.0.0-rtm", "3.0.0-rtm")]
+        [InlineData("3.1.0", "3.1.0")]
+        [InlineData("10.3.10", "10.3.0")]
+        [InlineData("1.1.10-prerelease", "1.1.0")]
+        public void ItGeneratesDefaultVersionBasedOnRuntimePackVersion(string runtimePackVersion, string defaultRuntimeFrameworkVersion)
+        {
+            var generateTask = new GenerateDefaultRuntimeFrameworkVersion()
+            {
+                RuntimePackVersion = runtimePackVersion
+            };
+
+            generateTask
+                .Execute()
+                .Should().BeTrue();
+
+            generateTask.DefaultRuntimeFrameworkVersion.Should().Be(defaultRuntimeFrameworkVersion);
+        }
+    }
+}