Fix or skip tests to work on Unix

src/Scripting/CSharpTest/CommandLineRunnerTests.cs

@@ -326,7 +326,7 @@ public void Args_Interactive2()
             AssertEx.AssertEqualToleratingWhitespaceDifferences(error, runner.Console.Error.ToString());
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void Args_InteractiveWithScript1()
         {
             var script = Temp.CreateFile(extension: ".csx").WriteAllText("foreach (var arg in Args) Print(arg);");
@@ -359,7 +359,7 @@ > 1
 > ", runner.Console.Out.ToString());
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void Args_Script1()
         {
             var script = Temp.CreateFile(extension: ".csx").WriteAllText("foreach (var arg in Args) Print(arg);");
@@ -367,7 +367,7 @@ public void Args_Script1()
             var runner = CreateRunner(
                 args: new[] { script.Path, "arg1", "arg2", "arg3" });
 
-            Assert.Equal(0, runner.RunInteractive());
+            Assert.True(runner.RunInteractive() == 0, userMessage: runner.Console.Error.ToString());
 
             AssertEx.AssertEqualToleratingWhitespaceDifferences($@"
 ""arg1""
@@ -376,7 +376,7 @@ public void Args_Script1()
 ", runner.Console.Out.ToString());
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void Args_Script2()
         {
             var script = Temp.CreateFile(extension: ".csx").WriteAllText("foreach (var arg in Args) Print(arg);");
@@ -384,7 +384,7 @@ public void Args_Script2()
             var runner = CreateRunner(
                 args: new[] { script.Path, "@arg1", "@arg2", "@arg3" });
 
-            Assert.Equal(0, runner.RunInteractive());
+            Assert.True(runner.RunInteractive() == 0, userMessage: runner.Console.Error.ToString());
 
             AssertEx.AssertEqualToleratingWhitespaceDifferences($@"
 ""@arg1""
@@ -393,7 +393,7 @@ public void Args_Script2()
 ", runner.Console.Out.ToString());
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void Args_Script3()
         {
             var script = Temp.CreateFile(extension: ".csx").WriteAllText("foreach (var arg in Args) Print(arg);");
@@ -412,7 +412,7 @@ public void Args_Script3()
                 args: new[] { $"@{rsp.Path}", "/arg5", "--", "/arg7" },
                 input: "foreach (var arg in Args) Print(arg);");
 
-            Assert.Equal(0, runner.RunInteractive());
+            Assert.True(runner.RunInteractive() == 0, userMessage: runner.Console.Error.ToString());
 
             AssertEx.AssertEqualToleratingWhitespaceDifferences($@"
 ""--""

src/Scripting/CSharpTest/InteractiveSessionTests.cs

@@ -1167,13 +1167,13 @@ public void ReferenceDirective_RelativeToBaseParent()
             string scriptPath = Path.Combine(dir, "a.csx");
 
             var script = CSharpScript.Create(
-                $@"#r ""..\{libFileName}""",
+                $@"#r ""{Path.Combine("..", libFileName)}""",
                 ScriptOptions.Default.WithFilePath(scriptPath));
 
             script.GetCompilation().VerifyDiagnostics();
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void ReferenceDirective_RelativeToBaseRoot()
         {
             var file = Temp.CreateFile();

src/Scripting/CSharpTest/ObjectFormatterTests.cs

@@ -342,7 +342,7 @@ public void LongMembers()
             Assert.Equal("LongMembers { LongNa...", str);
 
             str = new TestCSharpObjectFormatter(maximumLineLength: 20).FormatObject(obj, SeparateLinesOptions);
-            Assert.Equal("LongMembers {\r\n  LongName0123456789...\r\n  LongValue: \"012345...\r\n}\r\n", str);
+            Assert.Equal($"LongMembers {{{Environment.NewLine}  LongName0123456789...{Environment.NewLine}  LongValue: \"012345...{Environment.NewLine}}}{Environment.NewLine}", str);
         }
 
         [Fact]
@@ -834,7 +834,7 @@ public static void Method<U>()
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_NonGeneric()
         {
             try
@@ -855,7 +855,7 @@ public void StackTrace_NonGeneric()
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_GenericMethod()
         {
             try
@@ -877,7 +877,7 @@ public void StackTrace_GenericMethod()
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_GenericType()
         {
             try
@@ -899,7 +899,7 @@ public void StackTrace_GenericType()
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_GenericMethodInGenericType()
         {
             try
@@ -968,7 +968,7 @@ public static void Method<U>(ref U u)
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_RefOutParameters()
         {
             try
@@ -991,7 +991,7 @@ public void StackTrace_RefOutParameters()
             }
         }
 
-        [Fact]
+        [ConditionalFact(typeof(WindowsOnly)), WorkItem(15860, "https://github.com/dotnet/roslyn/issues/15860")]
         public void StackTrace_GenericRefParameter()
         {
             try

src/Scripting/Core/Hosting/Resolvers/RuntimeMetadataReferenceResolver.cs

@@ -181,7 +181,7 @@ private PortableExecutableReference ResolveTrustedPlatformAssemblyCore(string na
         {
             var set = ImmutableDictionary.CreateBuilder<string, string>(StringComparer.OrdinalIgnoreCase);
 
-            if (CoreClrShim.AppContext.GetData("TRUSTED_PLATFORM_ASSEMBLIES") is string paths)
+            if (CoreClrShim.AppContext.GetData?.Invoke("TRUSTED_PLATFORM_ASSEMBLIES") is string paths)
             {
                 foreach (var path in paths.Split(Path.PathSeparator))
                 {

src/Scripting/CoreTestUtilities/ObjectFormatterTestBase.cs

@@ -15,7 +15,7 @@ public abstract class ObjectFormatterTestBase
         public void AssertMembers(string str, params string[] expected)
         {
             int i = 0;
-            foreach (var line in str.Split(new[] { "\r\n  " }, StringSplitOptions.None))
+            foreach (var line in str.Split(new[] { Environment.NewLine + "  " }, StringSplitOptions.None))
             {
                 if (i == 0)
                 {
@@ -23,7 +23,7 @@ public void AssertMembers(string str, params string[] expected)
                 }
                 else if (i == expected.Length - 1)
                 {
-                    Assert.Equal(expected[i] + "\r\n}\r\n", line);
+                    Assert.Equal(expected[i] + Environment.NewLine + "}" + Environment.NewLine, line);
                 }
                 else
                 {

src/Test/Utilities/Shared/Compilation/CompilationExtensions.cs

@@ -11,7 +11,9 @@
 using Microsoft.CodeAnalysis.CodeGen;
 using Microsoft.CodeAnalysis.Emit;
 using Microsoft.CodeAnalysis.Test.Extensions;
+using Roslyn.Test.PdbUtilities;
 using Roslyn.Test.Utilities;
+using Roslyn.Utilities;
 using Xunit;
 using Xunit.Sdk;
 
@@ -33,7 +35,7 @@ public static class CompilationExtensions
 
             if (pdbStream == null && compilation.Options.OptimizationLevel == OptimizationLevel.Debug && options?.DebugInformationFormat != DebugInformationFormat.Embedded)
             {
-                if (MonoHelpers.IsRunningOnMono())
+                if (MonoHelpers.IsRunningOnMono() || PathUtilities.IsUnixLikePlatform)
                 {
                     options = (options ?? EmitOptions.Default).WithDebugInformationFormat(DebugInformationFormat.PortablePdb);
                 }