2 using System.Collections.Generic;
4 using System.Linq.Expressions;
6 public struct InverseLogicalOperator
9 public InverseLogicalOperator (bool value)
14 public static bool operator true (InverseLogicalOperator u)
19 public static bool operator false (InverseLogicalOperator u)
25 /* TODO: Add tests for every numeric expression where a type has only 1 implicit
27 public struct MyType<T>
31 public MyType (T value)
36 public static implicit operator T (MyType<T> o)
47 public MyType (int value)
52 public override int GetHashCode ()
54 throw new NotImplementedException ();
57 public static implicit operator int (MyType o)
62 public static bool operator true (MyType a)
67 public static bool operator false (MyType a)
72 public static MyType operator +(MyType a, MyType b)
74 return new MyType (a.value + b.value);
77 public static MyType operator / (MyType a, MyType b)
79 return new MyType (a.value / b.value);
82 public static MyType operator &(MyType a, MyType b)
84 return new MyType (a.value & b.value);
87 public static MyType operator | (MyType a, MyType b)
89 return new MyType (a.value | b.value);
92 public static MyType operator ^ (MyType a, MyType b)
94 return new MyType (a.value ^ b.value);
97 public static bool operator == (MyType a, MyType b)
99 return a.value == b.value;
102 public static bool operator != (MyType a, MyType b)
104 return a.value != b.value;
107 public static bool operator > (MyType a, MyType b)
109 return a.value > b.value;
112 public static bool operator < (MyType a, MyType b)
114 return a.value < b.value;
117 public static bool operator >= (MyType a, MyType b)
119 return a.value >= b.value;
122 public static bool operator <= (MyType a, MyType b)
124 return a.value <= b.value;
127 public static bool operator ! (MyType a)
132 public static int operator >> (MyType a, int b)
137 public override string ToString ()
139 return value.ToString ();
143 // TODO: Add more nullable tests, follow AddTest pattern.
147 static void AssertNodeType (LambdaExpression e, ExpressionType et)
149 if (e.Body.NodeType != et)
150 throw new ApplicationException (e.Body.NodeType + " != " + et);
153 static void Assert<T> (T expected, T value)
155 if (!EqualityComparer<T>.Default.Equals (expected, value))
156 throw new ApplicationException (expected + " != " + value);
159 static void Assert<T> (T [] expected, T [] value)
161 if (expected.Length != value.Length)
162 throw new ApplicationException ("Array length does not match " + expected.Length + " != " + value.Length);
164 for (int i = 0; i < expected.Length; ++i) {
165 if (!EqualityComparer<T>.Default.Equals (expected [i], value [i]))
166 throw new ApplicationException ("Index " + i + ": " + expected [i] + " != " + value [i]);
172 Expression<Func<int, int, int>> e = (int a, int b) => a + b;
173 AssertNodeType (e, ExpressionType.Add);
174 Assert (50, e.Compile ().Invoke (20, 30));
176 Expression<Func<int?, int?, int?>> e2 = (a, b) => a + b;
177 AssertNodeType (e2, ExpressionType.Add);
178 Assert (null, e2.Compile ().Invoke (null, 3));
180 Expression<Func<MyType, MyType, MyType>> e3 = (MyType a, MyType b) => a + b;
181 AssertNodeType (e3, ExpressionType.Add);
182 Assert (10, e3.Compile ().Invoke (new MyType (-20), new MyType (30)));
184 Expression<Func<MyType?, MyType?, MyType?>> e4 = (MyType? a, MyType? b) => a + b;
185 AssertNodeType (e4, ExpressionType.Add);
186 Assert (new MyType (10), e4.Compile ().Invoke (new MyType (-20), new MyType (30)));
187 Assert (null, e4.Compile ().Invoke (null, new MyType (30)));
189 Expression<Func<int, MyType, int>> e5 = (int a, MyType b) => a + b;
190 AssertNodeType (e5, ExpressionType.Add);
191 Assert (31, e5.Compile ().Invoke (1, new MyType (30)));
193 Expression<Func<int, MyType?, int?>> e6 = (int a, MyType? b) => a + b;
194 AssertNodeType (e6, ExpressionType.Add);
195 Assert (-1, e6.Compile ().Invoke (-31, new MyType (30)));
199 void AddCheckedTest ()
202 Expression<Func<int, int, int>> e = (int a, int b) => a + b;
203 AssertNodeType (e, ExpressionType.AddChecked);
204 Assert (50, e.Compile ().Invoke (20, 30));
206 Expression<Func<int?, int?, int?>> e2 = (a, b) => a + b;
207 AssertNodeType (e2, ExpressionType.AddChecked);
208 Assert (null, e2.Compile ().Invoke (null, 3));
210 Expression<Func<MyType, MyType, MyType>> e3 = (MyType a, MyType b) => a + b;
211 AssertNodeType (e3, ExpressionType.Add);
212 Assert (10, e3.Compile ().Invoke (new MyType (-20), new MyType (30)));
218 Expression<Func<bool, bool, bool>> e = (bool a, bool b) => a & b;
220 AssertNodeType (e, ExpressionType.And);
221 Func<bool, bool, bool> c = e.Compile ();
223 Assert (true, c (true, true));
224 Assert (false, c (true, false));
225 Assert (false, c (false, true));
226 Assert (false, c (false, false));
228 Expression<Func<MyType, MyType, MyType>> e2 = (MyType a, MyType b) => a & b;
230 AssertNodeType (e2, ExpressionType.And);
231 var c2 = e2.Compile ();
233 Assert (new MyType (0), c2 (new MyType (0), new MyType (1)));
234 Assert (new MyType (1), c2 (new MyType (0xFF), new MyType (0x01)));
237 void AndNullableTest ()
239 Expression<Func<bool?, bool?, bool?>> e = (bool? a, bool? b) => a & b;
241 AssertNodeType (e, ExpressionType.And);
242 Func<bool?, bool?, bool?> c = e.Compile ();
244 Assert (true, c (true, true));
245 Assert (false, c (true, false));
246 Assert (false, c (false, true));
247 Assert (false, c (false, false));
249 Assert (null, c (true, null));
250 Assert (false, c (false, null));
251 Assert (false, c (null, false));
252 Assert (null, c (true, null));
253 Assert (null, c (null, null));
255 Expression<Func<MyType?, MyType?, MyType?>> e2 = (MyType? a, MyType? b) => a & b;
257 AssertNodeType (e2, ExpressionType.And);
258 var c2 = e2.Compile ();
260 Assert (new MyType (0), c2 (new MyType (0), new MyType (1)));
261 Assert (new MyType (1), c2 (new MyType (0xFF), new MyType (0x01)));
262 Assert (null, c2 (new MyType (0xFF), null));
267 Expression<Func<bool, bool, bool>> e = (bool a, bool b) => a && b;
269 AssertNodeType (e, ExpressionType.AndAlso);
270 Assert (false, e.Compile ().Invoke (true, false));
272 Expression<Func<MyType, MyType, MyType>> e2 = (MyType a, MyType b) => a && b;
274 AssertNodeType (e2, ExpressionType.AndAlso);
275 Assert (new MyType (64), e2.Compile ().Invoke (new MyType (64), new MyType (64)));
276 Assert (new MyType (0), e2.Compile ().Invoke (new MyType (32), new MyType (64)));
279 void ArrayIndexTest ()
281 Expression<Func<string [], long, string>> e = (string [] a, long i) => a [i];
282 AssertNodeType (e, ExpressionType.ArrayIndex);
283 Assert ("b", e.Compile ().Invoke (new string [] { "a", "b", "c" }, 1));
285 Expression<Func<string [], string>> e2 = (string [] a) => a [0];
286 AssertNodeType (e2, ExpressionType.ArrayIndex);
287 Assert ("a", e2.Compile ().Invoke (new string [] { "a", "b" }));
289 Expression<Func<object [,], int, int, object>> e3 = (object [,] a, int i, int j) => a [i, j];
290 AssertNodeType (e3, ExpressionType.Call);
292 Assert ("z", e3.Compile ().Invoke (
293 new object [,] { { 1, 2 }, { "x", "z" } }, 1, 1));
295 Expression<Func<decimal [] [], byte, decimal>> e4 = (decimal [] [] a, byte b) => a [b] [1];
296 AssertNodeType (e4, ExpressionType.ArrayIndex);
298 decimal [] [] array = { new decimal [] { 1, 9 }, new decimal [] { 10, 90 } };
299 Assert (90, e4.Compile ().Invoke (array, 1));
302 void ArrayLengthTest ()
304 int o = new int [0].Length;
306 Expression<Func<double [], int>> e = (double [] a) => a.Length;
307 AssertNodeType (e, ExpressionType.ArrayLength);
308 Assert (0, e.Compile ().Invoke (new double [0]));
309 Assert (9, e.Compile ().Invoke (new double [9]));
312 //Expression<Func<string [,], int>> e2 = (string [,] a) => a.Length;
313 //AssertNodeType (e2, ExpressionType.MemberAccess);
314 //Assert (0, e2.Compile ().Invoke (new string [0, 0]));
319 Expression<Func<int, int>> e = (int a) => Math.Max (a, 5);
320 AssertNodeType (e, ExpressionType.Call);
321 Assert (5, e.Compile ().Invoke (2));
322 Assert (9, e.Compile ().Invoke (9));
324 Expression<Func<string, string>> e2 = (string a) => InstanceMethod (a);
325 AssertNodeType (e2, ExpressionType.Call);
326 Assert ("abc", e2.Compile ().Invoke ("abc"));
328 Expression<Func<int, string, int, object>> e3 = (int index, string a, int b) => InstanceParamsMethod (index, a, b);
329 AssertNodeType (e3, ExpressionType.Call);
330 Assert<object> (4, e3.Compile ().Invoke (1, "a", 4));
332 Expression<Func<object>> e4 = () => InstanceParamsMethod (0);
333 AssertNodeType (e4, ExpressionType.Call);
334 Assert<object> ("<empty>", e4.Compile ().Invoke ());
336 Expression<Func<int, int>> e5 = (int a) => GenericMethod (a);
337 AssertNodeType (e5, ExpressionType.Call);
338 Assert (5, e5.Compile ().Invoke (5));
343 Expression<Func<uint?, uint>> e = (uint? a) => a ?? 99;
344 AssertNodeType (e, ExpressionType.Coalesce);
345 var r = e.Compile ();
346 Assert ((uint) 5, r.Invoke (5));
347 Assert ((uint) 99, r.Invoke (null));
349 Expression<Func<MyType?, int>> e2 = (MyType? a) => a ?? -3;
350 AssertNodeType (e2, ExpressionType.Coalesce);
351 var r2 = e2.Compile ();
352 Assert (2, r2.Invoke (new MyType (2)));
353 Assert (-3, r2.Invoke (null));
356 void ConditionTest ()
358 Expression<Func<bool, byte, int, int>> e = (bool a, byte b, int c) => (a ? b : c);
359 AssertNodeType (e, ExpressionType.Conditional);
360 var r = e.Compile ();
361 Assert (3, r.Invoke (true, 3, 999999));
362 Assert (999999, r.Invoke (false, 3, 999999));
364 Expression<Func<int, decimal, decimal?>> e2 = (int a, decimal d) => (a > 0 ? d : a < 0 ? -d : (decimal?) null);
365 AssertNodeType (e2, ExpressionType.Conditional);
366 var r2 = e2.Compile ();
367 Assert (null, r2.Invoke (0, 10));
368 Assert (50, r2.Invoke (1, 50));
369 Assert (30, r2.Invoke (-7, -30));
371 Expression<Func<bool?, int?>> e3 = (bool? a) => ((bool) a ? 3 : -2);
372 AssertNodeType (e3, ExpressionType.Convert);
373 var r3 = e3.Compile ();
374 Assert (3, r3.Invoke (true));
375 Assert (-2, r3.Invoke (false));
377 Expression<Func<InverseLogicalOperator, byte, byte, byte>> e4 = (InverseLogicalOperator a, byte b, byte c) => (a ? b : c);
378 AssertNodeType (e4, ExpressionType.Conditional);
379 var r4 = e4.Compile ();
380 Assert (3, r4.Invoke (new InverseLogicalOperator (true), 3, 4));
381 Assert (4, r4.Invoke (new InverseLogicalOperator (false), 3, 4));
386 Expression<Func<int, byte>> e = (int a) => ((byte) a);
387 AssertNodeType (e, ExpressionType.Convert);
388 Assert (100, e.Compile ().Invoke (100));
390 Expression<Func<long, ushort>> e2 = (long a) => ((ushort) a);
391 AssertNodeType (e2, ExpressionType.Convert);
392 Assert (100, e2.Compile ().Invoke (100));
394 Expression<Func<float?, float>> e3 = (float? a) => ((float) a);
395 AssertNodeType (e3, ExpressionType.Convert);
396 Assert (-0.456f, e3.Compile ().Invoke (-0.456f));
398 Expression<Func<MyType, int>> e4 = (MyType a) => (a);
399 AssertNodeType (e4, ExpressionType.Convert);
400 Assert (-9, e4.Compile ().Invoke (new MyType (-9)));
402 Expression<Func<MyType, MyType, bool?>> e5 = (MyType a, MyType b) => a == b;
403 AssertNodeType (e5, ExpressionType.Convert);
406 void ConvertCheckedTest ()
408 Expression<Func<int, byte>> e = (int a) => checked((byte) a);
409 AssertNodeType (e, ExpressionType.ConvertChecked);
410 Assert (100, e.Compile ().Invoke (100));
413 Expression<Func<long, ushort>> e2 = (long a) => unchecked((ushort) a);
414 AssertNodeType (e2, ExpressionType.Convert);
415 Assert (100, e2.Compile ().Invoke (100));
417 Expression<Func<float?, float>> e3 = (float? a) => ((float) a);
418 AssertNodeType (e3, ExpressionType.ConvertChecked);
419 Assert (-0.456f, e3.Compile ().Invoke (-0.456f));
421 Expression<Func<MyType, int>> e4 = (MyType a) => (a);
422 AssertNodeType (e4, ExpressionType.Convert);
423 Assert (-9, e4.Compile ().Invoke (new MyType (-9)));
429 Expression<Func<int, int, int>> e = (int a, int b) => a / b;
430 AssertNodeType (e, ExpressionType.Divide);
431 Assert (2, e.Compile ().Invoke (60, 30));
433 Expression<Func<double?, double?, double?>> e2 = (a, b) => a / b;
434 AssertNodeType (e2, ExpressionType.Divide);
435 Assert (null, e2.Compile ().Invoke (null, 3));
436 Assert (1.5, e2.Compile ().Invoke (3, 2));
438 Expression<Func<MyType, MyType, MyType>> e3 = (MyType a, MyType b) => a / b;
439 AssertNodeType (e3, ExpressionType.Divide);
440 Assert (1, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
442 Expression<Func<MyType?, MyType?, MyType?>> e4 = (MyType? a, MyType? b) => a / b;
443 AssertNodeType (e4, ExpressionType.Divide);
444 Assert (null, e4.Compile ().Invoke (null, new MyType (-20)));
445 Assert (new MyType (-6), e4.Compile ().Invoke (new MyType (120), new MyType (-20)));
450 Expression<Func<int, int, bool>> e = (int a, int b) => a == b;
451 AssertNodeType (e, ExpressionType.Equal);
452 Assert (false, e.Compile ().Invoke (60, 30));
453 Assert (true, e.Compile ().Invoke (-1, -1));
455 Expression<Func<double?, double?, bool>> e2 = (a, b) => a == b;
456 AssertNodeType (e2, ExpressionType.Equal);
457 Assert (true, e2.Compile ().Invoke (3, 3));
458 Assert (false, e2.Compile ().Invoke (3, 2));
460 Expression<Func<MyType, MyType, bool>> e3 = (MyType a, MyType b) => a == b;
461 AssertNodeType (e3, ExpressionType.Equal);
462 Assert (true, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
464 Expression<Func<MyType?, MyType?, bool>> e4 = (MyType? a, MyType? b) => a == b;
465 AssertNodeType (e4, ExpressionType.Equal);
466 Assert (false, e4.Compile ().Invoke (null, new MyType (-20)));
467 Assert (true, e4.Compile ().Invoke (null, null));
468 Assert (true, e4.Compile ().Invoke (new MyType (120), new MyType (120)));
471 delegate void EmptyDelegate ();
473 static void EqualTestDelegate ()
475 Expression<Func<Delegate, Delegate, bool>> e1 = (a, b) => a == b;
476 AssertNodeType (e1, ExpressionType.Equal);
477 Assert (true, e1.Compile ().Invoke (null, null));
479 EmptyDelegate ed = delegate () {};
481 Expression<Func<EmptyDelegate, EmptyDelegate, bool>> e2 = (a, b) => a == b;
482 AssertNodeType (e2, ExpressionType.Equal);
483 Assert (false, e2.Compile ().Invoke (delegate () {}, null));
484 Assert (false, e2.Compile ().Invoke (delegate () {}, delegate {}));
485 Assert (false, e2.Compile ().Invoke (ed, delegate {}));
486 Assert (true, e2.Compile ().Invoke (ed, ed));
489 void ExclusiveOrTest ()
491 Expression<Func<int, int, int>> e = (int a, int b) => a ^ b;
492 AssertNodeType (e, ExpressionType.ExclusiveOr);
493 Assert (34, e.Compile ().Invoke (60, 30));
494 /* FIXME: missing conversion
495 Expression<Func<byte?, byte?, int?>> e2 = (a, b) => a ^ b;
496 AssertNodeType (e2, ExpressionType.ExclusiveOr);
497 Assert (null, e2.Compile ().Invoke (null, 3));
498 Assert (1, e2.Compile ().Invoke (3, 2));
500 Expression<Func<MyType, MyType, MyType>> e3 = (MyType a, MyType b) => a ^ b;
501 AssertNodeType (e3, ExpressionType.ExclusiveOr);
502 Assert (0, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
504 Expression<Func<MyType?, MyType?, MyType?>> e4 = (MyType? a, MyType? b) => a ^ b;
505 AssertNodeType (e4, ExpressionType.ExclusiveOr);
506 Assert (null, e4.Compile ().Invoke (null, new MyType (-20)));
507 Assert (new MyType (-108), e4.Compile ().Invoke (new MyType (120), new MyType (-20)));
510 void GreaterThanTest ()
512 Expression<Func<int, int, bool>> e = (int a, int b) => a > b;
513 AssertNodeType (e, ExpressionType.GreaterThan);
514 Assert (true, e.Compile ().Invoke (60, 30));
516 Expression<Func<uint?, byte?, bool>> e2 = (a, b) => a > b;
517 AssertNodeType (e2, ExpressionType.GreaterThan);
518 Assert (false, e2.Compile ().Invoke (null, 3));
519 Assert (false, e2.Compile ().Invoke (2, 2));
521 Expression<Func<MyType, MyType, bool>> e3 = (MyType a, MyType b) => a > b;
522 AssertNodeType (e3, ExpressionType.GreaterThan);
523 Assert (false, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
525 Expression<Func<MyType?, MyType?, bool>> e4 = (MyType? a, MyType? b) => a > b;
526 AssertNodeType (e4, ExpressionType.GreaterThan);
527 Assert (false, e4.Compile ().Invoke (null, new MyType (-20)));
528 Assert (false, e4.Compile ().Invoke (null, null));
529 Assert (true, e4.Compile ().Invoke (new MyType (120), new MyType (-20)));
533 void GreaterThanOrEqualTest ()
535 Expression<Func<int, int, bool>> e = (int a, int b) => a >= b;
536 AssertNodeType (e, ExpressionType.GreaterThanOrEqual);
537 Assert (true, e.Compile ().Invoke (60, 30));
539 Expression<Func<byte?, byte?, bool>> e2 = (a, b) => a >= b;
540 AssertNodeType (e2, ExpressionType.GreaterThanOrEqual);
541 Assert (false, e2.Compile ().Invoke (null, 3));
542 Assert (true, e2.Compile ().Invoke (2, 2));
544 Expression<Func<MyType, MyType, bool>> e3 = (MyType a, MyType b) => a >= b;
545 AssertNodeType (e3, ExpressionType.GreaterThanOrEqual);
546 Assert (true, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
548 Expression<Func<MyType?, MyType?, bool>> e4 = (MyType? a, MyType? b) => a >= null;
549 AssertNodeType (e4, ExpressionType.GreaterThanOrEqual);
550 Assert (false, e4.Compile ().Invoke (null, new MyType (-20)));
551 Assert (false, e4.Compile ().Invoke (null, null));
552 Assert (true, e4.Compile ().Invoke (new MyType (120), new MyType (-20)));
555 void NewArrayInitTest ()
557 Expression<Func<int []>> e = () => new int [0];
558 AssertNodeType (e, ExpressionType.NewArrayInit);
559 Assert (new int [0], e.Compile ().Invoke ());
561 e = () => new int [] { };
562 AssertNodeType (e, ExpressionType.NewArrayInit);
563 Assert (new int [0], e.Compile ().Invoke ());
565 Expression<Func<ushort, ulong? []>> e2 = (ushort a) => new ulong? [] { a };
566 AssertNodeType (e2, ExpressionType.NewArrayInit);
567 Assert (new ulong? [1] { ushort.MaxValue }, e2.Compile ().Invoke (ushort.MaxValue));
569 Expression<Func<char [] []>> e3 = () => new char [] [] { new char [] { 'a' } };
570 AssertNodeType (e3, ExpressionType.NewArrayInit);
571 Assert (new char [] { 'a' }, e3.Compile ().Invoke () [0]);
576 Expression<Func<bool, bool>> e = (bool a) => !a;
577 AssertNodeType (e, ExpressionType.Not);
578 Assert (false, e.Compile ().Invoke (true));
580 Expression<Func<MyType, bool>> e2 = (MyType a) => !a;
581 AssertNodeType (e2, ExpressionType.Not);
582 Assert (true, e2.Compile ().Invoke (new MyType (1)));
583 Assert (false, e2.Compile ().Invoke (new MyType (-1)));
586 void NotNullableTest ()
588 Expression<Func<bool?, bool?>> e = (bool? a) => !a;
589 AssertNodeType (e, ExpressionType.Not);
590 Assert (false, e.Compile ().Invoke (true));
591 Assert (null, e.Compile ().Invoke (null));
593 Expression<Func<MyType?, bool?>> e2 = (MyType? a) => !a;
594 AssertNodeType (e2, ExpressionType.Not);
595 Assert (true, e2.Compile ().Invoke (new MyType (1)));
596 Assert (null, e2.Compile ().Invoke (null));
601 Expression<Func<int, int, bool>> e = (int a, int b) => a != b;
602 AssertNodeType (e, ExpressionType.NotEqual);
603 Assert (true, e.Compile ().Invoke (60, 30));
604 Assert (false, e.Compile ().Invoke (-1, -1));
606 Expression<Func<sbyte?, sbyte?, bool>> e2 = (a, b) => a != b;
607 AssertNodeType (e2, ExpressionType.NotEqual);
608 Assert (false, e2.Compile ().Invoke (3, 3));
609 Assert (true, e2.Compile ().Invoke (3, 2));
611 Expression<Func<MyType, MyType, bool>> e3 = (MyType a, MyType b) => a != b;
612 AssertNodeType (e3, ExpressionType.NotEqual);
613 Assert (false, e3.Compile ().Invoke (new MyType (-20), new MyType (-20)));
615 Expression<Func<MyType?, MyType?, bool>> e4 = (MyType? a, MyType? b) => a != b;
616 AssertNodeType (e4, ExpressionType.NotEqual);
617 Assert (true, e4.Compile ().Invoke (null, new MyType (-20)));
618 Assert (false, e4.Compile ().Invoke (null, null));
619 Assert (false, e4.Compile ().Invoke (new MyType (120), new MyType (120)));
624 Expression<Func<bool, bool, bool>> e = (bool a, bool b) => a | b;
626 AssertNodeType (e, ExpressionType.Or);
627 Func<bool, bool, bool> c = e.Compile ();
629 Assert (true, c (true, true));
630 Assert (true, c (true, false));
631 Assert (true, c (false, true));
632 Assert (false, c (false, false));
634 Expression<Func<MyType, MyType, MyType>> e2 = (MyType a, MyType b) => a | b;
635 AssertNodeType (e2, ExpressionType.Or);
636 var c2 = e2.Compile ();
637 Assert (new MyType (3), c2 (new MyType (1), new MyType (2)));
640 void OrNullableTest ()
642 Expression<Func<bool?, bool?, bool?>> e = (bool? a, bool? b) => a | b;
644 AssertNodeType (e, ExpressionType.Or);
645 Func<bool?, bool?, bool?> c = e.Compile ();
647 Assert (true, c (true, true));
648 Assert (true, c (true, false));
649 Assert (true, c (false, true));
650 Assert (false, c (false, false));
652 Assert (true, c (true, null));
653 Assert (null, c (false, null));
654 Assert (null, c (null, false));
655 Assert (true, c (true, null));
656 Assert (null, c (null, null));
658 Expression<Func<MyType?, MyType?, MyType?>> e2 = (MyType? a, MyType? b) => a | b;
659 AssertNodeType (e2, ExpressionType.Or);
660 var c2 = e2.Compile ();
661 Assert (new MyType (3), c2 (new MyType (1), new MyType (2)));
662 Assert (null, c2 (new MyType (1), null));
667 Expression<Func<bool, bool, bool>> e = (bool a, bool b) => a || b;
668 AssertNodeType (e, ExpressionType.OrElse);
669 Assert (true, e.Compile ().Invoke (true, false));
671 Expression<Func<MyType, MyType, MyType>> e2 = (MyType a, MyType b) => a || b;
672 AssertNodeType (e2, ExpressionType.OrElse);
673 Assert (new MyType (64), e2.Compile ().Invoke (new MyType (64), new MyType (64)));
674 Assert (new MyType (32), e2.Compile ().Invoke (new MyType (32), new MyType (64)));
677 void ParameterTest ()
679 Expression<Func<string, string>> e = (string a) => a;
680 AssertNodeType (e, ExpressionType.Parameter);
681 Assert ("t", e.Compile ().Invoke ("t"));
683 Expression<Func<object[], object[]>> e2 = (object[] a) => a;
684 AssertNodeType (e2, ExpressionType.Parameter);
685 Assert (new object[0], e2.Compile ().Invoke (new object[0]));
687 Expression<Func<IntPtr, IntPtr>> e3 = a => a;
688 AssertNodeType (e3, ExpressionType.Parameter);
689 Assert (IntPtr.Zero, e3.Compile ().Invoke (IntPtr.Zero));
694 Expression<Func<Expression<Func<int>>>> e = () => () => 2;
695 AssertNodeType (e, ExpressionType.Quote);
696 Assert (2, e.Compile ().Invoke ().Compile ().Invoke ());
699 void RightShiftTest ()
701 Expression<Func<ulong, sbyte, ulong>> e = (ulong a, sbyte b) => a >> b;
702 AssertNodeType (e, ExpressionType.RightShift);
703 Assert ((ulong)0x1FD940L, e.Compile ().Invoke (0xFECA0000, 11));
705 Expression<Func<MyType, MyType, int>> e2 = (MyType a, MyType b) => a >> b;
706 AssertNodeType (e2, ExpressionType.RightShift);
707 var c2 = e2.Compile ();
708 Assert (64, c2 (new MyType (256), new MyType (2)));
710 Expression<Func<long?, sbyte, long?>> e3 = (long? a, sbyte b) => a >> b;
711 AssertNodeType (e3, ExpressionType.RightShift);
712 Assert (null, e3.Compile ().Invoke (null, 11));
713 Assert (512, e3.Compile ().Invoke (1024, 1));
715 Expression<Func<MyType?, MyType?, int?>> e4 = (MyType? a, MyType? b) => a >> b;
716 AssertNodeType (e4, ExpressionType.RightShift);
717 var c4 = e4.Compile ();
718 Assert (null, c4 (new MyType (8), null));
719 Assert (null, c4 (null, new MyType (8)));
720 Assert (64, c4 (new MyType (256), new MyType (2)));
726 string InstanceMethod (string arg)
731 object InstanceParamsMethod (int index, params object [] args)
735 if (args.Length == 0)
740 T GenericMethod<T> (T t)
746 public static int Main ()
748 Tester e = new Tester ();
750 e.AndNullableTest ();
755 e.ArrayLengthTest ();
760 e.ConvertCheckedTest ();
763 e.EqualTestDelegate ();
764 e.ExclusiveOrTest ();
765 e.GreaterThanTest ();
766 e.GreaterThanOrEqualTest ();
767 e.NewArrayInitTest ();
769 e.NotNullableTest ();