public void BufferElementWithEntityAndValueTypeThrowsNoError()
{
var code =
@"
using Unity.Entities;
public struct SomeValueType { public int Value; }
[GenerateAuthoringComponent]
public struct BufferElementWithEntityArray : IBufferElementData
{
public Entity Entity;
public SomeValueType ValueType;
}";
var compileResult =
TestCompiler.Compile(code, new []
{
typeof(GenerateAuthoringComponentAttribute),
typeof(ConvertToEntity),
typeof(GameObject),
typeof(MonoBehaviour)
});
Assert.IsTrue(compileResult.IsSuccess);
}
public void Compile_MethodGenericExtensionMethod()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
public class MyClass
{
public int MyMethod(List<List<int>> e)
{
return e.First<List<int>>().First<int>();
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[] { new List <List <int> > {
new List <int> {
5
}
} });
result.Should().Be(5);
}
public void GenerateAuthoringComponentAttributeWithNoValidInterfaceThrowsError()
{
var code =
@"
using Unity.Entities;
[GenerateAuthoringComponent]
public struct GenerateAuthoringComponentWithNoValidInterface
{
public float Value;
}";
var compileResult =
TestCompiler.Compile(code, new []
{
typeof(GenerateAuthoringComponentAttribute),
typeof(ConvertToEntity),
typeof(GameObject),
typeof(MonoBehaviour)
});
Assert.IsFalse(compileResult.IsSuccess);
Assert.IsTrue(compileResult.CompilerMessages.Any(msg =>
msg.message.Contains("The [GenerateAuthoringComponent] attribute may only be used with types that implement either IBufferElementData or IComponentData")));
}
public void Compile_ClassCtorAndMethod()
{
var ast = TestSuite.GetGrammar().Classes.Parse(@"
public class MyClass
{
// default parameterless constructor
public MyClass() { }
// Simple void() method
public void MyMethod() { }
}");
var assembly = TestCompiler.Compile(ast);
assembly.Should().NotBeNull();
var type = assembly.ExportedTypes.First();
type.Name.Should().Be("MyClass");
type.GetConstructors().Length.Should().Be(1);
var ctor = type.GetConstructors().First();
ctor.GetParameters().Length.Should().Be(0);
var method = type.GetMethod("MyMethod");
method.Name.Should().Be("MyMethod");
method.ReturnType.Should().Be(typeof(void));
method.GetParameters().Length.Should().Be(0);
}
public void Compile_FlagsEnum()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System;
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
[Flags]
public enum MyEnum
{
A, B = 1, C
}
public class MyClass
{
public int MyMethod()
{
return (int)MyEnum.B;
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First(t => t.Name == "MyClass");
var myObj = Activator.CreateInstance(type);
var methods = type.GetMethods();
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[] { });
result.Should().Be(1);
}
[Test] // Source Generation, unlike IL post-processing, can handle IBufferElementData with strict layout
public void BufferElementWithExplicitLayoutThrowsNoError()
{
var code =
@"
using System.Runtime.InteropServices;
using Unity.Entities;
[StructLayout(LayoutKind.Explicit, Size = 10)]
[GenerateAuthoringComponent]
public struct BufferElementWithExplicitLayout : IBufferElementData
{
[FieldOffset(3)] public byte Value;
}";
var compileResult =
TestCompiler.Compile(code, new []
{
typeof(GenerateAuthoringComponentAttribute),
typeof(ConvertToEntity),
typeof(GameObject),
typeof(MonoBehaviour)
});
Assert.IsTrue(compileResult.IsSuccess);
}
public void Compile_MethodReturnLambdaInvoke()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System;
using System.Collections.Generic;
namespace XYZ
{
public class MyClass
{
public int MyMethod()
{
c# { Func<int, int> func; }
func = (a => a + 5);
return func(4);
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(9);
}
public void Compile_CSharpCodeLiterals()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
namespace XYZ
{
public class MyClass
{
// use code literal to define a protected method, which Scoop doesn't support
c#
{
protected int CSharpMethod() => 4;
}
public int MyMethod()
{
var v = CSharpMethod();
// Use code literal to use an if statement
c# {
if (v == 4)
v = 6;
};
return v;
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(6);
}
public void Compile_MethodAddToListIndex()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
namespace XYZ
{
public class MyClass
{
public int MyMethod()
{
var list = new List<int>();
list.Add(1);
list.Add(3);
list.Add(7);
return list[1];
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(3);
}
public void Compile_ArrayType()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
public class MyClass
{
private const int _two = 2;
public int[] MyMethod()
{
return new int[] { 1, _two, 3 };
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int[])method.Invoke(myObj, new object[] { });
result.Should().BeEquivalentTo(1, 2, 3);
}
public void BufferElementWithReferenceTypeThrowsError()
{
var code =
@"
using Unity.Entities;
public class SomeRefType { }
[GenerateAuthoringComponent]
public struct BufferElementWithReferenceType : IBufferElementData
{
public SomeRefType SomeRefType;
}";
var compileResult =
TestCompiler.Compile(code, new []
{
typeof(GenerateAuthoringComponentAttribute),
typeof(ConvertToEntity),
typeof(GameObject),
typeof(MonoBehaviour)
});
Assert.IsFalse(compileResult.IsSuccess);
Assert.IsTrue(compileResult.CompilerMessages.Any(msg =>
msg.message.Contains("IBufferElementData types may only contain blittable or primitive fields.")));
}
public void NamedConstructor_Test()
{
var ast = TestSuite.GetGrammar().WithNamedConstructors().CompilationUnits.Parse(@"
namespace NamedConstructorsTests
{
public class ValueClass
{
string _value;
public ValueClass:A()
{
_value = ""A"";
}
public ValueClass:B()
{
_value = ""B"";
}
public ValueClass:C(string letter)
{
_value = ""C"" + letter;
}
public ValueClass:D(string letter)
{
_value = ""D"" + letter;
}
public string GetValue() => _value;
}
public class Caller
{
public string GetValues()
{
return
new ValueClass:A().GetValue() +
new ValueClass:B().GetValue() +
new ValueClass:C(""X"").GetValue() +
new ValueClass:D(""Y"").GetValue();
}
}
}
");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First(t => t.Name == "Caller");
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("GetValues");
var result = (string)method.Invoke(myObj, new object[0]);
result.Should().Be("ABCXDY");
}
public void Compile_EmptyNamespace()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
namespace XYZ
{
public class MyClass { }
}");
var assembly = TestCompiler.Compile(ast);
assembly.Should().NotBeNull();
assembly.ExportedTypes.First().Name.Should().Be("MyClass");
}
public void Compile_Initializers()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
public class MyClass
{
c# {
public class TestClass {
public int Value { get; set; }
}
}
public List<object> MyMethod()
{
return new List<object> {
new Dictionary<int, string> { { 1, ""test"" } },
new TestClass() { Value = true ? 5 : 4 }
};
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (List <object>)method.Invoke(myObj, new object[0]);
result.Count.Should().Be(2);
(result[0] as Dictionary <int, string>).Should().BeEquivalentTo(new Dictionary <int, string> {
{ 1, "test" }
});
var innerObj = result[1];
var innerObjType = innerObj.GetType();
var prop = innerObjType.GetProperty("Value");
var intValue = (int)prop.GetValue(innerObj);
intValue.Should().Be(5);
// TODO: Indexer initializer syntax "[0] = ..." parses and serializes correctly but I can't
// find a test scenario which actually works in Roslyn.
}
protected void RunTest(string cSharpCode, params GeneratedType[] generatedTypes)
{
var(isSuccess, compilerMessages) = TestCompiler.Compile(cSharpCode, new []
{
typeof(Unity.Entities.SystemBase),
typeof(Unity.Burst.BurstCompileAttribute),
typeof(Unity.Mathematics.float3),
typeof(Unity.Collections.ReadOnlyAttribute),
typeof(Unity.Collections.LowLevel.Unsafe.UnsafeUtility)
});
if (!isSuccess)
{
Assert.Fail($"Compilation failed with errors {string.Join(Environment.NewLine, compilerMessages.Select(msg => msg.message))}");
}
RunSourceGenerationTest(generatedTypes, Path.Combine(TestCompiler.DirectoryForTestDll, TestCompiler.OutputDllName));
TestCompiler.CleanUp();
}
public void Compile_ClassMethodReturnExpression()
{
var ast = TestSuite.GetGrammar().Classes.Parse(@"
public class MyClass
{
public string MyMethod()
{
return 5.ToString() + ""test"".Length;
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (string)method.Invoke(myObj, new object[0]);
result.Should().Be("54");
}
public void Compile_ClassMethodReturnValue()
{
var ast = TestSuite.GetGrammar().Classes.Parse(@"
public class MyClass
{
public int MyMethod()
{
return 5 + 6;
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(11);
}
public void Compile_ExpressionPrefixPostfix()
{
var ast = TestSuite.GetGrammar().Classes.Parse(@"
public class MyClass
{
public int MyMethod()
{
var x = 5;
var y = ++x;
x++;
return x * 10 + y;
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(76);
}
public void Compile_MethodIndexerInitializer()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
public class MyClass
{
public int MyMethod()
{
var list = new MyList { [0] = 5 };
return list[0];
}
}
public class MyList
{
List<int> Items;
public MyList() { Items = new List<int>(); }
c#{
public int this[int i]
{
get { return Items[i]; }
set { Items.Insert(i, value); }
}
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First(t => t.Name == "MyClass");
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[] { });
result.Should().Be(5);
}
public void Compile_MethodReturnNullInvokeCoalesce()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
namespace XYZ
{
public class MyClass
{
public string MyMethod()
{
return default(object)?.ToString() ?? ""ok"";
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (string)method.Invoke(myObj, new object[0]);
result.Should().Be("ok");
}
public void Compile_MethodParameters()
{
var ast = TestSuite.GetGrammar().Classes.Parse(@"
public class MyClass
{
public int MyMethod()
{
return PrivateMethod(4, c: 5);
}
private int PrivateMethod(int a = 0, int b = 1, int c = 2)
{
return (a * 100) + (b * 10) + c;
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (int)method.Invoke(myObj, new object[0]);
result.Should().Be(415);
}
public void Compile_InterfaceInherit()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System;
using System.Collections.Generic;
using System.Linq;
namespace XYZ
{
public interface IMyInterface
{
int MyMethod();
}
public class MyClass : IMyInterface
{
public int MyMethod() => 1;
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First(t => t.Name == "MyClass");
type.GetInterface("IMyInterface").Should().NotBeNull();
}
public void Compile_MethodReturnListOfInt()
{
var ast = TestSuite.GetGrammar().CompilationUnits.Parse(@"
using System.Collections.Generic;
namespace XYZ
{
public class MyClass
{
public List<int> MyMethod()
{
return new List<int>();
}
}
}");
var assembly = TestCompiler.Compile(ast);
var type = assembly.ExportedTypes.First();
var myObj = Activator.CreateInstance(type);
var method = type.GetMethod("MyMethod");
var result = (List <int>)method.Invoke(myObj, new object[0]);
result.Should().NotBeNull();
result.Count.Should().Be(0);
}