public void SlimInfoOf_ArgumentChecking()
{
#pragma warning disable IDE0034 // Simplify 'default' expression (illustrative of method signature)
AssertEx.ThrowsException <ArgumentNullException>(() => SlimReflectionHelpers.InfoOf(default(Expression)), ex => Assert.AreEqual("expression", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => SlimReflectionHelpers.InfoOf(default(Expression <Action>)), ex => Assert.AreEqual("expression", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => SlimReflectionHelpers.InfoOf(default(Expression <Action <int> >)), ex => Assert.AreEqual("expression", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => SlimReflectionHelpers.InfoOf(default(Expression <Func <int> >)), ex => Assert.AreEqual("expression", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => SlimReflectionHelpers.InfoOf(default(Expression <Func <int, int> >)), ex => Assert.AreEqual("expression", ex.ParamName));
#pragma warning restore IDE0034 // Simplify 'default' expression
}
public void SlimInfoOf_New_ConstructorInfo()
{
AssertAreSame(typeof(Exception).GetConstructor(new[] { typeof(string) }), SlimReflectionHelpers.InfoOf((string s) => new Exception(s)));
}
public void SlimInfoOf_Member_PropertyInfo()
{
AssertAreSame(typeof(Console).GetProperty("ForegroundColor"), SlimReflectionHelpers.InfoOf(() => Console.ForegroundColor));
}
public void SlimInfoOf_Binary_Add_MethodInfo()
{
var add = typeof(DateTime).GetMethods().Single(m => m.Name == "op_Addition" && m.GetParameters()[0].ParameterType == typeof(DateTime) && m.GetParameters()[1].ParameterType == typeof(TimeSpan) && m.ReturnType == typeof(DateTime));
AssertAreSame(add, SlimReflectionHelpers.InfoOf <DateTime, DateTime>(d => d + default(TimeSpan)));
}
public void SlimInfoOf_Unary_Negate_MethodInfo()
{
var negate = typeof(TimeSpan).GetMethods().Single(m => m.Name == "op_UnaryNegation" && m.GetParameters()[0].ParameterType == typeof(TimeSpan) && m.ReturnType == typeof(TimeSpan));
AssertAreSame(negate, SlimReflectionHelpers.InfoOf <TimeSpan, TimeSpan>(t => - t));
}
public void SlimInfoOf_Unary_Convert_MethodInfo()
{
var convert = typeof(DateTimeOffset).GetMethods().Single(m => m.Name == "op_Implicit" && m.GetParameters()[0].ParameterType == typeof(DateTime) && m.ReturnType == typeof(DateTimeOffset));
AssertAreSame(convert, SlimReflectionHelpers.InfoOf <DateTime, DateTimeOffset>(dt => dt));
}
public void SlimInfoOf_MethodCall_MethodInfo2()
{
AssertAreSame(typeof(Console).GetMethod("WriteLine", new[] { typeof(string) }), SlimReflectionHelpers.InfoOf((string s) => Console.WriteLine(s)));
}
public void SlimInfoOf_MethodCall_MethodInfo1()
{
AssertAreSame(typeof(Console).GetMethod("WriteLine", Type.EmptyTypes), SlimReflectionHelpers.InfoOf(() => Console.WriteLine()));
}
public void SlimInfoOf_NoReflectionInfo()
{
Assert.ThrowsException <NotSupportedException>(() => SlimReflectionHelpers.InfoOf(Expression.Constant(42)));
Assert.ThrowsException <NotSupportedException>(() => SlimReflectionHelpers.InfoOf(Expression.Negate(Expression.Constant(42))));
Assert.ThrowsException <NotSupportedException>(() => SlimReflectionHelpers.InfoOf(Expression.Add(Expression.Constant(1), Expression.Constant(2))));
}