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@ -22,324 +22,349 @@ using System.Linq;
@@ -22,324 +22,349 @@ using System.Linq;
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using System.Linq.Expressions; |
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using System.Xml; |
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namespace ICSharpCode.Decompiler.Tests |
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public class ExpressionTrees |
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{ |
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public class ExpressionTrees |
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class GenericClass<X> |
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{ |
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int field; |
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public static X StaticField; |
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public X InstanceField; |
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public static X StaticProperty { get; set; } |
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public X InstanceProperty { get; set; } |
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static object ToCode<R>(object x, Expression<Func<R>> expr) |
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public static bool GenericMethod<Y>() |
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{ |
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return expr; |
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} |
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static object ToCode<T, R>(object x, Expression<Func<T, R>> expr) |
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{ |
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return expr; |
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} |
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static object X() |
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{ |
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return null; |
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} |
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public void Parameter(bool a) |
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{ |
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ToCode(X(), () => a); |
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} |
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public void LocalVariable() |
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{ |
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bool a = true; |
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ToCode(X(), () => a); |
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} |
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public void LambdaParameter() |
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{ |
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ToCode(X(), (bool a) => a); |
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} |
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public void AddOperator(int x) |
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{ |
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ToCode(X(), () => 1 + x + 2); |
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} |
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public void AnonymousClasses() |
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{ |
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ToCode(X(), () => new { X = 3, A = "a" }); |
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} |
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public void ArrayIndex() |
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{ |
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ToCode(X(), () => new[] { 3, 4, 5 }[0 + (int)(DateTime.Now.Ticks % 3)]); |
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} |
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public void ArrayLengthAndDoubles() |
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{ |
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ToCode(X(), () => new[] { 1.0, 2.01, 3.5 }.Concat(new[] { 1.0, 2.0 }).ToArray().Length); |
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} |
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public void AsOperator() |
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{ |
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ToCode(X(), () => new object() as string); |
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} |
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public void ComplexGenericName() |
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{ |
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ToCode(X(), () => ((Func<int, bool>)(x => x > 0))(0)); |
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} |
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public void DefaultValue() |
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{ |
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ToCode(X(), () => new TimeSpan(1, 2, 3) == default(TimeSpan)); |
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} |
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public void EnumConstant() |
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{ |
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ToCode(X(), () => new object().Equals(MidpointRounding.ToEven)); |
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} |
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public void IndexerAccess() |
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{ |
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var dict = Enumerable.Range(1, 20).ToDictionary(n => n.ToString()); |
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ToCode(X(), () => dict["3"] == 3); |
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} |
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public void IsOperator() |
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{ |
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ToCode(X(), () => new object() is string); |
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} |
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public void ListInitializer() |
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{ |
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ToCode(X(), () => new Dictionary<int, int> { { 1, 1 }, { 2, 2 }, { 3, 4 } }.Count == 3); |
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} |
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public void ListInitializer2() |
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{ |
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ToCode(X(), () => new List<int>(50) { 1, 2, 3 }.Count == 3); |
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} |
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public void ListInitializer3() |
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{ |
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ToCode(X(), () => new List<int> { 1, 2, 3 }.Count == 3); |
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} |
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public void LiteralCharAndProperty() |
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{ |
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ToCode(X(), () => new string(' ', 3).Length == 1); |
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} |
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public void CharNoCast() |
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{ |
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ToCode(X(), () => "abc"[1] == 'b'); |
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} |
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public void StringsImplicitCast() |
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{ |
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int i = 1; |
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string x = "X"; |
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ToCode(X(), () => (("a\n\\b" ?? x) + x).Length == 2 ? false : true && (1m + -i > 0 || false)); |
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} |
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public void NotImplicitCast() |
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{ |
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byte z = 42; |
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ToCode(X(), () => ~z == 0); |
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} |
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public void MembersBuiltin() |
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{ |
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ToCode(X(), () => 1.23m.ToString()); |
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ToCode(X(), () => AttributeTargets.All.HasFlag((Enum)AttributeTargets.Assembly)); |
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ToCode(X(), () => "abc".Length == 3); |
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ToCode(X(), () => 'a'.CompareTo('b') < 0); |
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} |
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public void MembersDefault() |
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{ |
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ToCode(X(), () => default(DateTime).Ticks == 0); |
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ToCode(X(), () => default(int[]).Length == 0); |
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ToCode(X(), () => default(Type).IsLayoutSequential); |
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ToCode(X(), () => default(List<int>).Count); |
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ToCode(X(), () => default(int[]).Clone() == null); |
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ToCode(X(), () => default(Type).IsInstanceOfType(new object())); |
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ToCode(X(), () => default(List<int>).AsReadOnly()); |
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} |
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public void DoAssert() |
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{ |
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field = 37; |
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ToCode(X(), () => field != C()); |
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ToCode(X(), () => !ReferenceEquals(this, new ExpressionTrees())); |
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ToCode(X(), () => MyEquals(this) && !MyEquals(default(ExpressionTrees))); |
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} |
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int C() |
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{ |
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return field + 5; |
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} |
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bool MyEquals(ExpressionTrees other) |
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{ |
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return other != null && field == other.field; |
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} |
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public void MethodGroupAsExtensionMethod() |
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{ |
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ToCode(X(), () => (Func<bool>)new[] { 2000, 2004, 2008, 2012 }.Any); |
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} |
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public void MethodGroupConstant() |
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{ |
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ToCode(X(), () => Array.TrueForAll(new[] { 2000, 2004, 2008, 2012 }, DateTime.IsLeapYear)); |
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HashSet<int> set = new HashSet<int>(); |
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ToCode(X(), () => new[] { 2000, 2004, 2008, 2012 }.All(set.Add)); |
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Func<Func<object, object, bool>, bool> sink = f => f(null, null); |
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ToCode(X(), () => sink(int.Equals)); |
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} |
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public void MultipleCasts() |
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{ |
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ToCode(X(), () => 1 == (int)(object)1); |
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} |
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public void MultipleDots() |
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{ |
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ToCode(X(), () => 3.ToString().ToString().Length > 0); |
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} |
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public void NestedLambda() |
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{ |
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Func<Func<int>, int> call = f => f(); |
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//no params
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ToCode(X(), () => call(() => 42)); |
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//one param
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ToCode(X(), () => new[] { 37, 42 }.Select(x => x * 2)); |
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//two params
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ToCode(X(), () => new[] { 37, 42 }.Select((x, i) => x * 2)); |
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} |
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public void CurriedLambda() |
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{ |
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ToCode<int, Func<int, Func<int, int>>>(X(), a => b => c => a + b + c); |
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} |
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bool Fizz(Func<int, bool> a) |
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{ |
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return a(42); |
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} |
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bool Buzz(Func<int, bool> a) |
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{ |
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return a(42); |
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} |
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bool Fizz(Func<string, bool> a) |
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{ |
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return a("42"); |
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} |
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public void NestedLambda2() |
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{ |
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ToCode(X(), () => Fizz(x => x == "a")); |
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ToCode(X(), () => Fizz(x => x == 37)); |
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ToCode(X(), () => Fizz((int x) => true)); |
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ToCode(X(), () => Buzz(x => true)); |
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} |
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public void NewArrayAndExtensionMethod() |
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{ |
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ToCode(X(), () => new[] { 1.0, 2.01, 3.5 }.SequenceEqual(new[] { 1.0, 2.01, 3.5 })); |
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} |
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public void NewMultiDimArray() |
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{ |
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ToCode(X(), () => new int[3, 4].Length == 1); |
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} |
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public void NewObject() |
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{ |
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ToCode(X(), () => new object() != new object()); |
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} |
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public void NotOperator() |
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{ |
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bool x = true; |
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int y = 3; |
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byte z = 42; |
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ToCode(X(), () => ~(int)z == 0); |
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ToCode(X(), () => ~y == 0); |
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ToCode(X(), () => !x); |
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} |
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public void ObjectInitializers() |
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{ |
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XmlReaderSettings s = new XmlReaderSettings { |
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CloseInput = false, |
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CheckCharacters = false |
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}; |
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ToCode(X(), () => new XmlReaderSettings { CloseInput = s.CloseInput, CheckCharacters = s.CheckCharacters }.Equals(s)); |
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} |
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public void Quoted() |
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{ |
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ToCode(X(), () => (Expression<Func<int, string, string>>)((n, s) => s + n.ToString()) != null); |
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} |
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public void Quoted2() |
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{ |
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ToCode(X(), () => ToCode(X(), () => true).Equals(null)); |
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} |
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public void QuotedWithAnonymous() |
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{ |
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ToCode(X(), () => new[] { new { X = "a", Y = "b" } }.Select(o => o.X + o.Y).Single()); |
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} |
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public void StaticCall() |
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{ |
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ToCode(X(), () => Equals(3, 0)); |
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} |
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public void ThisCall() |
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{ |
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ToCode(X(), () => !Equals(3)); |
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} |
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public void ThisExplicit() |
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{ |
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ToCode(X(), () => object.Equals(this, 3)); |
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} |
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public void TypedConstant() |
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{ |
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ToCode(X(), () => new[] { typeof(int), typeof(string) }); |
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} |
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public void StaticCallImplicitCast() |
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{ |
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ToCode(X(), () => Equals(3, 0)); |
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return false; |
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} |
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} |
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int field; |
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static object ToCode<R>(object x, Expression<Func<R>> expr) |
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{ |
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return expr; |
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} |
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static object ToCode<T, R>(object x, Expression<Func<T, R>> expr) |
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{ |
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return expr; |
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} |
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static object X() |
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{ |
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return null; |
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} |
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public void Parameter(bool a) |
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{ |
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ToCode(X(), () => a); |
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} |
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public void LocalVariable() |
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{ |
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bool a = true; |
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ToCode(X(), () => a); |
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} |
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public void LambdaParameter() |
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{ |
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ToCode(X(), (bool a) => a); |
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} |
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public void AddOperator(int x) |
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{ |
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ToCode(X(), () => 1 + x + 2); |
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} |
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public void AnonymousClasses() |
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{ |
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ToCode(X(), () => new { X = 3, A = "a" }); |
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} |
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public void ArrayIndex() |
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{ |
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ToCode(X(), () => new[] { 3, 4, 5 }[0 + (int)(DateTime.Now.Ticks % 3)]); |
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} |
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public void ArrayLengthAndDoubles() |
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{ |
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ToCode(X(), () => new[] { 1.0, 2.01, 3.5 }.Concat(new[] { 1.0, 2.0 }).ToArray().Length); |
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} |
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public void AsOperator() |
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{ |
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ToCode(X(), () => new object() as string); |
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} |
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public void ComplexGenericName() |
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{ |
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ToCode(X(), () => ((Func<int, bool>)(x => x > 0))(0)); |
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} |
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public void DefaultValue() |
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{ |
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ToCode(X(), () => new TimeSpan(1, 2, 3) == default(TimeSpan)); |
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} |
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public void EnumConstant() |
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{ |
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ToCode(X(), () => new object().Equals(MidpointRounding.ToEven)); |
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} |
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public void IndexerAccess() |
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{ |
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var dict = Enumerable.Range(1, 20).ToDictionary(n => n.ToString()); |
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ToCode(X(), () => dict["3"] == 3); |
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} |
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public void IsOperator() |
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{ |
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ToCode(X(), () => new object() is string); |
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} |
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public void ListInitializer() |
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{ |
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ToCode(X(), () => new Dictionary<int, int> { { 1, 1 }, { 2, 2 }, { 3, 4 } }.Count == 3); |
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} |
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public void ListInitializer2() |
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{ |
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ToCode(X(), () => new List<int>(50) { 1, 2, 3 }.Count == 3); |
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} |
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public void ListInitializer3() |
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{ |
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ToCode(X(), () => new List<int> { 1, 2, 3 }.Count == 3); |
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} |
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public void LiteralCharAndProperty() |
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{ |
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ToCode(X(), () => new string(' ', 3).Length == 1); |
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} |
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public void CharNoCast() |
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{ |
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ToCode(X(), () => "abc"[1] == 'b'); |
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} |
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public void StringsImplicitCast() |
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{ |
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int i = 1; |
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string x = "X"; |
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ToCode(X(), () => (("a\n\\b" ?? x) + x).Length == 2 ? false : true && (1m + -i > 0 || false)); |
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} |
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public void NotImplicitCast() |
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{ |
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byte z = 42; |
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ToCode(X(), () => ~z == 0); |
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} |
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public void MembersBuiltin() |
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{ |
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ToCode(X(), () => 1.23m.ToString()); |
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ToCode(X(), () => AttributeTargets.All.HasFlag((Enum)AttributeTargets.Assembly)); |
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ToCode(X(), () => "abc".Length == 3); |
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ToCode(X(), () => 'a'.CompareTo('b') < 0); |
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} |
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public void MembersDefault() |
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{ |
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ToCode(X(), () => default(DateTime).Ticks == 0); |
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ToCode(X(), () => default(int[]).Length == 0); |
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ToCode(X(), () => default(Type).IsLayoutSequential); |
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ToCode(X(), () => default(List<int>).Count); |
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ToCode(X(), () => default(int[]).Clone() == null); |
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ToCode(X(), () => default(Type).IsInstanceOfType(new object())); |
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ToCode(X(), () => default(List<int>).AsReadOnly()); |
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} |
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public void DoAssert() |
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{ |
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field = 37; |
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ToCode(X(), () => field != C()); |
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ToCode(X(), () => !ReferenceEquals(this, new ExpressionTrees())); |
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ToCode(X(), () => MyEquals(this) && !MyEquals(default(ExpressionTrees))); |
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} |
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int C() |
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{ |
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return field + 5; |
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} |
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bool MyEquals(ExpressionTrees other) |
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{ |
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return other != null && field == other.field; |
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} |
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public void MethodGroupAsExtensionMethod() |
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{ |
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ToCode(X(), () => (Func<bool>)new[] { 2000, 2004, 2008, 2012 }.Any); |
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} |
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public void MethodGroupConstant() |
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{ |
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ToCode(X(), () => Array.TrueForAll(new[] { 2000, 2004, 2008, 2012 }, DateTime.IsLeapYear)); |
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public void StaticMembers() |
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{ |
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ToCode(X(), () => (DateTime.Now > DateTime.Now + TimeSpan.FromMilliseconds(10.001)).ToString() == "False"); |
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} |
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HashSet<int> set = new HashSet<int>(); |
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ToCode(X(), () => new[] { 2000, 2004, 2008, 2012 }.All(set.Add)); |
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public void Strings() |
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{ |
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int i = 1; |
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string x = "X"; |
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ToCode(X(), () => (("a\n\\b" ?? x) + x).Length == 2 ? false : true && (1m + (decimal)-i > 0m || false)); |
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} |
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Func<Func<object, object, bool>, bool> sink = f => f(null, null); |
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ToCode(X(), () => sink(int.Equals)); |
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} |
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public void MultipleCasts() |
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{ |
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ToCode(X(), () => 1 == (int)(object)1); |
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} |
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public void MultipleDots() |
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|
{ |
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|
ToCode(X(), () => 3.ToString().ToString().Length > 0); |
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} |
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public void NestedLambda() |
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|
{ |
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|
Func<Func<int>, int> call = f => f(); |
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|
//no params
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|
ToCode(X(), () => call(() => 42)); |
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|
//one param
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|
ToCode(X(), () => new[] { 37, 42 }.Select(x => x * 2)); |
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|
//two params
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|
ToCode(X(), () => new[] { 37, 42 }.Select((x, i) => x * 2)); |
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|
} |
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public void CurriedLambda() |
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|
{ |
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|
ToCode<int, Func<int, Func<int, int>>>(X(), a => b => c => a + b + c); |
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|
} |
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|
bool Fizz(Func<int, bool> a) |
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|
{ |
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|
|
return a(42); |
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|
} |
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|
|
bool Buzz(Func<int, bool> a) |
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|
{ |
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|
|
return a(42); |
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|
} |
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|
bool Fizz(Func<string, bool> a) |
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|
|
{ |
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|
|
return a("42"); |
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|
|
} |
|
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|
|
public void NestedLambda2() |
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|
|
{ |
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|
|
ToCode(X(), () => Fizz(x => x == "a")); |
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|
|
ToCode(X(), () => Fizz(x => x == 37)); |
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|
|
public void StringAccessor() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => (int)"abc"[1] == 98); |
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|
|
} |
|
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|
|
ToCode(X(), () => Fizz((int x) => true)); |
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|
|
ToCode(X(), () => Buzz(x => true)); |
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|
} |
|
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|
|
public void NewArrayAndExtensionMethod() |
|
|
|
|
{ |
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|
|
ToCode(X(), () => new[] { 1.0, 2.01, 3.5 }.SequenceEqual(new[] { 1.0, 2.01, 3.5 })); |
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|
|
} |
|
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|
|
public void NewMultiDimArray() |
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|
|
{ |
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|
|
|
ToCode(X(), () => new int[3, 4].Length == 1); |
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|
|
} |
|
|
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|
|
public void NewObject() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => new object() != new object()); |
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|
|
} |
|
|
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|
|
public void NotOperator() |
|
|
|
|
{ |
|
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|
|
bool x = true; |
|
|
|
|
int y = 3; |
|
|
|
|
byte z = 42; |
|
|
|
|
ToCode(X(), () => ~(int)z == 0); |
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|
|
ToCode(X(), () => ~y == 0); |
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|
|
ToCode(X(), () => !x); |
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|
|
} |
|
|
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|
|
public void ObjectInitializers() |
|
|
|
|
{ |
|
|
|
|
XmlReaderSettings s = new XmlReaderSettings { |
|
|
|
|
CloseInput = false, |
|
|
|
|
CheckCharacters = false |
|
|
|
|
}; |
|
|
|
|
ToCode(X(), () => new XmlReaderSettings { CloseInput = s.CloseInput, CheckCharacters = s.CheckCharacters }.Equals(s)); |
|
|
|
|
} |
|
|
|
|
|
|
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|
|
public void Quoted() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => (Expression<Func<int, string, string>>)((n, s) => s + n.ToString()) != null); |
|
|
|
|
} |
|
|
|
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|
|
public void Quoted2() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => ToCode(X(), () => true).Equals(null)); |
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|
|
} |
|
|
|
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|
|
public void QuotedWithAnonymous() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => new[] { new { X = "a", Y = "b" } }.Select(o => o.X + o.Y).Single()); |
|
|
|
|
} |
|
|
|
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|
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|
|
public void StaticCall() |
|
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|
|
{ |
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|
|
ToCode(X(), () => Equals(3, 0)); |
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|
|
} |
|
|
|
|
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|
|
public void ThisCall() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => !Equals(3)); |
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|
|
} |
|
|
|
|
|
|
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|
|
public void ThisExplicit() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => object.Equals(this, 3)); |
|
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|
|
} |
|
|
|
|
|
|
|
|
|
public void TypedConstant() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => new[] { typeof(int), typeof(string) }); |
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|
|
|
} |
|
|
|
|
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|
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|
|
public void StaticCallImplicitCast() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => Equals(3, 0)); |
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|
|
|
} |
|
|
|
|
|
|
|
|
|
public void StaticMembers() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => (DateTime.Now > DateTime.Now + TimeSpan.FromMilliseconds(10.001)).ToString() == "False"); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void Strings() |
|
|
|
|
{ |
|
|
|
|
int i = 1; |
|
|
|
|
string x = "X"; |
|
|
|
|
ToCode(X(), () => (("a\n\\b" ?? x) + x).Length == 2 ? false : true && (1m + (decimal)-i > 0m || false)); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void StringAccessor() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => (int)"abc"[1] == 98); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void GenericClassInstance() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => new GenericClass<int>().InstanceField + new GenericClass<double>().InstanceProperty); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
public void GenericClassStatic() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => GenericClass<int>.StaticField + GenericClass<double>.StaticProperty); |
|
|
|
|
} |
|
|
|
|
|
|
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|
|
public void InvokeGenericMethod() |
|
|
|
|
{ |
|
|
|
|
ToCode(X(), () => GenericClass<int>.GenericMethod<double>()); |
|
|
|
|
} |
|
|
|
|
} |
|
|
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|
|
Daniel Grunwald
14 years ago