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comparison UnitTests/Linq/WhereTest.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4
5 using BLToolkit.Data.DataProvider;
6 using BLToolkit.Mapping;
7
8 using NUnit.Framework;
9
10 namespace Data.Linq
11 {
12 using Model;
13 using BLToolkit.Data.Linq;
14
15 [TestFixture]
16 public class WhereTest : TestBase
17 {
18 [Test]
19 public void MakeSubQuery()
20 {
21 TestOneJohn(db =>
22 from p in db.Person
23 select new { PersonID = p.ID + 1, p.FirstName } into p
24 where p.PersonID == 2
25 select new Person(p.PersonID - 1) { FirstName = p.FirstName });
26 }
27
28 [Test]
29 public void MakeSubQueryWithParam()
30 {
31 var n = 1;
32
33 TestOneJohn(new[] { "Fdp" }, db =>
34 from p in db.Person
35 select new { PersonID = p.ID + n, p.FirstName } into p
36 where p.PersonID == 2
37 select new Person(p.PersonID - 1) { FirstName = p.FirstName });
38 }
39
40 [Test]
41 public void DoNotMakeSubQuery()
42 {
43 TestOneJohn(db =>
44 from p1 in db.Person
45 select new { p1.ID, Name = p1.FirstName + "\r\r\r" } into p2
46 where p2.ID == 1
47 select new Person(p2.ID) { FirstName = p2.Name.TrimEnd('\r') });
48 }
49
50 [Test]
51 public void EqualsConst()
52 {
53 TestOneJohn(db => from p in db.Person where p.ID == 1 select p);
54 }
55
56 [Test]
57 public void EqualsConsts()
58 {
59 TestOneJohn(db => from p in db.Person where p.ID == 1 && p.FirstName == "John" select p);
60 }
61
62 [Test]
63 public void EqualsConsts2()
64 {
65 TestOneJohn(db =>
66 from p in db.Person
67 where (p.FirstName == "John" || p.FirstName == "John's") && p.ID > 0 && p.ID < 2 && p.LastName != "123"
68 select p);
69 }
70
71 [Test]
72 public void EqualsParam()
73 {
74 var id = 1;
75 TestOneJohn(db => from p in db.Person where p.ID == id select p);
76 }
77
78 [Test]
79 public void EqualsParams()
80 {
81 var id = 1;
82 var name = "John";
83 TestOneJohn(db => from p in db.Person where p.ID == id && p.FirstName == name select p);
84 }
85
86 [Test]
87 public void NullParam1()
88 {
89 var id = 1;
90 string name = null;
91 TestOneJohn(db => from p in db.Person where p.ID == id && p.MiddleName == name select p);
92 }
93
94 [Test]
95 public void NullParam2()
96 {
97 var id = 1;
98 string name = null;
99 TestOneJohn(db =>
100 {
101 (from p in db.Person where p.ID == id && p.MiddleName == name select p).ToList();
102 return from p in db.Person where p.ID == id && p.MiddleName == name select p;
103 });
104 }
105
106 int TestMethod()
107 {
108 return 1;
109 }
110
111 [Test]
112 public void MethodParam()
113 {
114 TestOneJohn(db => from p in db.Person where p.ID == TestMethod() select p);
115 }
116
117 static int StaticTestMethod()
118 {
119 return 1;
120 }
121
122 [Test]
123 public void StaticMethodParam()
124 {
125 TestOneJohn(db => from p in db.Person where p.ID == StaticTestMethod() select p);
126 }
127
128 class TestMethodClass
129 {
130 private readonly int _n;
131
132 public TestMethodClass(int n)
133 {
134 _n = n;
135 }
136
137 public int TestMethod()
138 {
139 return _n;
140 }
141 }
142
143 public void MethodParam(int n)
144 {
145 var t = new TestMethodClass(n);
146
147 ForEachProvider(db =>
148 {
149 var id = (from p in db.Person where p.ID == t.TestMethod() select new { p.ID }).ToList().First();
150 Assert.AreEqual(n, id.ID);
151 });
152 }
153
154 [Test]
155 public void MethodParam2()
156 {
157 MethodParam(1);
158 MethodParam(2);
159 }
160
161 static IQueryable<Person> TestDirectParam(ITestDataContext db, int id)
162 {
163 var name = "John";
164 return from p in db.Person where p.ID == id && p.FirstName == name select p;
165 }
166
167 [Test]
168 public void DirectParams()
169 {
170 TestOneJohn(db => TestDirectParam(db, 1));
171 }
172
173 [Test]
174 public void BinaryAdd()
175 {
176 TestOneJohn(db => from p in db.Person where p.ID + 1 == 2 select p);
177 }
178
179 [Test]
180 public void BinaryDivide()
181 {
182 TestOneJohn(db => from p in db.Person where (p.ID + 9) / 10 == 1 && p.ID == 1 select p);
183 }
184
185 [Test]
186 public void BinaryModulo()
187 {
188 TestOneJohn(db => from p in db.Person where p.ID % 2 == 1 && p.ID == 1 select p);
189 }
190
191 [Test]
192 public void BinaryMultiply()
193 {
194 TestOneJohn(db => from p in db.Person where p.ID * 10 - 9 == 1 select p);
195 }
196
197 [Test]
198 public void BinaryXor()
199 {
200 TestOneJohn(new[] { ProviderName.Access }, db => from p in db.Person where (p.ID ^ 2) == 3 select p);
201 }
202
203 [Test]
204 public void BinaryAnd()
205 {
206 TestOneJohn(new[] { ProviderName.Access }, db => from p in db.Person where (p.ID & 3) == 1 select p);
207 }
208
209 [Test]
210 public void BinaryOr()
211 {
212 TestOneJohn(new[] { ProviderName.Access }, db => from p in db.Person where (p.ID | 2) == 3 select p);
213 }
214
215 [Test]
216 public void BinarySubtract()
217 {
218 TestOneJohn(db => from p in db.Person where p.ID - 1 == 0 select p);
219 }
220
221 [Test]
222 public void EqualsNull()
223 {
224 TestOneJohn(db => from p in db.Person where p.ID == 1 && p.MiddleName == null select p);
225 }
226
227 [Test]
228 public void EqualsNull2()
229 {
230 TestOneJohn(db => from p in db.Person where p.ID == 1 && null == p.MiddleName select p);
231 }
232
233 [Test]
234 public void NotEqualNull()
235 {
236 TestOneJohn(db => from p in db.Person where p.ID == 1 && p.FirstName != null select p);
237 }
238
239 [Test]
240 public void NotEqualNull2()
241 {
242 TestOneJohn(db => from p in db.Person where p.ID == 1 && null != p.FirstName select p);
243 }
244
245 [Test]
246 public void NotTest()
247 {
248 TestOneJohn(db => from p in db.Person where p.ID == 1 && !(p.MiddleName != null) select p);
249 }
250
251 [Test]
252 public void NotTest2()
253 {
254 int n = 2;
255 TestOneJohn(db => from p in db.Person where p.ID == 1 && !(p.MiddleName != null && p.ID == n) select p);
256 }
257
258 [Test]
259 public void Coalesce1()
260 {
261 TestOneJohn(db =>
262
263 from p in db.Person
264 where
265 p.ID == 1 &&
266 (p.MiddleName ?? "None") == "None" &&
267 (p.FirstName ?? "None") == "John"
268 select p
269
270 );
271 }
272
273 [Test]
274 public void Coalesce2()
275 {
276 ForEachProvider(db => Assert.AreEqual(1, (from p in db.Parent where p.ParentID == 1 ? true : false select p).ToList().Count));
277 }
278
279 [Test]
280 public void Coalesce3()
281 {
282 ForEachProvider(db => Assert.AreEqual(1, (from p in db.Parent where p.ParentID != 1 ? false: true select p).ToList().Count));
283 }
284
285 [Test]
286 public void Coalesce4()
287 {
288 ForEachProvider(db => AreEqual(
289 from p in Parent where p.ParentID == 1 ? false: true select p,
290 from p in db.Parent where p.ParentID == 1 ? false: true select p));
291 }
292
293 [Test]
294 public void Coalesce5()
295 {
296 ForEachProvider(db => Assert.AreEqual(2,
297 (from p in db.Parent where (p.Value1 == 1 ? 10 : 20) == 10 select p).ToList().Count));
298 }
299
300 [Test]
301 public void Coalesce6()
302 {
303 ForEachProvider(db => AreEqual(
304 from p in Parent where (p.Value1 == 1 ? 10 : 20) == 20 select p,
305 from p in db.Parent where (p.Value1 == 1 ? 10 : 20) == 20 select p));
306 }
307
308 [Test]
309 public void Coalesce7()
310 {
311 ForEachProvider(db => AreEqual(
312 from p in Parent where (p.ParentID == 1 ? 10 : 20) == 20 select p,
313 from p in db.Parent where (p.ParentID == 1 ? 10 : 20) == 20 select p));
314 }
315
316 [Test]
317 public void Conditional()
318 {
319 TestOneJohn(db =>
320
321 from p in db.Person
322 where
323 p.ID == 1 &&
324 (p.MiddleName == null ? 1 : 2) == 1 &&
325 (p.FirstName != null ? 1 : 2) == 1
326 select p
327
328 );
329 }
330
331 [Test]
332 public void Conditional2()
333 {
334 TestOneJohn(db =>
335
336 from p in db.Person
337 where
338 p.ID == 1 &&
339 (p.MiddleName != null ? 3 : p.MiddleName == null? 1 : 2) == 1 &&
340 (p.FirstName == null ? 3 : p.FirstName != null? 1 : 2) == 1
341 select p
342
343 );
344 }
345
346 [Test]
347 public void Conditional3()
348 {
349 TestOneJohn(db =>
350
351 from p in db.Person
352 where
353 p.ID == 1 &&
354 (p.MiddleName != null ? 3 : p.ID == 2 ? 2 : p.MiddleName != null ? 0 : 1) == 1 &&
355 (p.FirstName == null ? 3 : p.ID == 2 ? 2 : p.FirstName == null ? 0 : 1) == 1
356 select p
357
358 );
359 }
360
361 [Test]
362 public void MultipleQuery1()
363 {
364 ForEachProvider(db =>
365 {
366 var id = 1;
367 var q = from p in db.Person where p.ID == id select p;
368
369 var list = q.ToList();
370 Assert.AreEqual(1, list[0].ID);
371
372 id = 2;
373 list = q.ToList();
374 Assert.AreEqual(2, list[0].ID);
375 });
376 }
377
378 [Test]
379 public void MultipleQuery2()
380 {
381 ForEachProvider(db =>
382 {
383 string str = null;
384 var q = from p in db.Person where p.MiddleName == str select p;
385
386 var list = q.ToList();
387 Assert.AreNotEqual(0, list.Count);
388
389 str = "123";
390 list = q.ToList();
391 Assert.AreEqual(0, list.Count);
392 });
393 }
394
395 [Test]
396 public void HasValue1()
397 {
398 var expected = from p in Parent where p.Value1.HasValue select p;
399 ForEachProvider(db => AreEqual(expected, from p in db.Parent where p.Value1.HasValue select p));
400 }
401
402 [Test]
403 public void HasValue2()
404 {
405 ForEachProvider(db => Assert.AreEqual(2, (from p in db.Parent where !p.Value1.HasValue select p).ToList().Count));
406 }
407
408 [Test]
409 public void Value()
410 {
411 ForEachProvider(db => Assert.AreEqual(2, (from p in db.Parent where p.Value1.Value == 1 select p).ToList().Count));
412 }
413
414 [Test]
415 public void CompareNullable1()
416 {
417 ForEachProvider(db => Assert.AreEqual(2, (from p in db.Parent where p.Value1 == 1 select p).ToList().Count));
418 }
419
420 [Test]
421 public void CompareNullable2()
422 {
423 ForEachProvider(db => Assert.AreEqual(1, (from p in db.Parent where p.ParentID == p.Value1 && p.Value1 == 1 select p).ToList().Count));
424 }
425
426 [Test]
427 public void CompareNullable3()
428 {
429 ForEachProvider(db => Assert.AreEqual(1, (from p in db.Parent where p.Value1 == p.ParentID && p.Value1 == 1 select p).ToList().Count));
430 }
431
432 [Test]
433 public void SubQuery()
434 {
435 var expected =
436 from t in
437 from ch in Child
438 select ch.ParentID * 1000
439 where t > 2000
440 select t / 1000;
441
442 ForEachProvider(db => AreEqual(expected,
443 from t in
444 from ch in db.Child
445 select ch.ParentID * 1000
446 where t > 2000
447 select t / 1000));
448 }
449
450 [Test]
451 public void AnonymousEqual1()
452 {
453 var child = new { ParentID = 2, ChildID = 21 };
454 var expected =
455 from ch in Child
456 where ch.ParentID == child.ParentID && ch.ChildID == child.ChildID
457 select ch;
458
459 ForEachProvider(db => AreEqual(expected,
460 from ch in db.Child
461 where new { ch.ParentID, ch.ChildID } == child
462 select ch));
463 }
464
465 [Test]
466 public void AnonymousEqual2()
467 {
468 var child = new { ParentID = 2, ChildID = 21 };
469 var expected =
470 from ch in Child
471 where !(ch.ParentID == child.ParentID && ch.ChildID == child.ChildID) && ch.ParentID > 0
472 select ch;
473
474 ForEachProvider(db => AreEqual(expected,
475 from ch in db.Child
476 where child != new { ch.ParentID, ch.ChildID } && ch.ParentID > 0
477 select ch));
478 }
479
480 [Test]
481 public void AnonymousEqual3()
482 {
483 var expected =
484 from ch in Child
485 where ch.ParentID == 2 && ch.ChildID == 21
486 select ch;
487
488 ForEachProvider(db => AreEqual(expected,
489 from ch in db.Child
490 where new { ch.ParentID, ch.ChildID } == new { ParentID = 2, ChildID = 21 }
491 select ch));
492 }
493
494 [Test]
495 public void AnonymousEqual4()
496 {
497 var parent = new { ParentID = 2, Value1 = (int?)null };
498 var expected =
499 from p in Parent
500 where p.ParentID == parent.ParentID && p.Value1 == parent.Value1
501 select p;
502
503 ForEachProvider(db => AreEqual(expected,
504 from p in db.Parent
505 where new { p.ParentID, p.Value1 } == parent
506 select p));
507 }
508
509 [Test]
510 public void AnonymousEqual5()
511 {
512 var parent = new { ParentID = 3, Value1 = (int?)3 };
513 var expected =
514 from p in Parent
515 where p.ParentID == parent.ParentID && p.Value1 == parent.Value1
516 select p;
517
518 ForEachProvider(db => AreEqual(expected,
519 from p in db.Parent
520 where new { p.ParentID, p.Value1 } == parent
521 select p));
522 }
523
524 [Test]
525 public void CheckLeftJoin1()
526 {
527 var expected =
528 from p in Parent
529 join ch in Child on p.ParentID equals ch.ParentID into lj1
530 from ch in lj1.DefaultIfEmpty()
531 where ch == null
532 select p;
533
534 ForEachProvider(db => AreEqual(expected,
535 from p in db.Parent
536 join ch in db.Child on p.ParentID equals ch.ParentID into lj1
537 from ch in lj1.DefaultIfEmpty()
538 where ch == null
539 select p));
540 }
541
542 [Test]
543 public void CheckLeftJoin2()
544 {
545 var expected =
546 from p in Parent
547 join ch in Child on p.ParentID equals ch.ParentID into lj1
548 from ch in lj1.DefaultIfEmpty()
549 where ch != null
550 select p;
551
552 ForEachProvider(data => AreEqual(expected, CompiledQuery.Compile<ITestDataContext,IQueryable<Parent>>(db =>
553 from p in db.Parent
554 join ch in db.Child on p.ParentID equals ch.ParentID into lj1
555 from ch in lj1.DefaultIfEmpty()
556 where null != ch
557 select p)(data)));
558 }
559
560 [Test]
561 public void CheckLeftJoin3()
562 {
563 var expected =
564 from p in Parent
565 join ch in
566 from c in GrandChild
567 where c.ParentID > 0
568 select new { ParentID = 1 + c.ParentID, c.ChildID }
569 on p.ParentID equals ch.ParentID into lj1
570 from ch in lj1.DefaultIfEmpty()
571 where ch == null && ch == null
572 select p;
573
574 ForEachProvider(new[] { ProviderName.Firebird, ProviderName.Sybase, ProviderName.Access }, db => AreEqual(expected,
575 from p in db.Parent
576 join ch in
577 from c in db.GrandChild
578 where c.ParentID > 0
579 select new { ParentID = 1 + c.ParentID, c.ChildID }
580 on p.ParentID equals ch.ParentID into lj1
581 from ch in lj1.DefaultIfEmpty()
582 where ch == null && ch == null
583 select p));
584 }
585
586 [Test]
587 public void CheckLeftJoin4()
588 {
589 var expected =
590 from p in Parent
591 join ch in
592 from c in Child
593 where c.ParentID > 0
594 select new { c.ParentID, c.ChildID }
595 on p.ParentID equals ch.ParentID into lj1
596 from ch in lj1.DefaultIfEmpty()
597 where ch == null
598 select p;
599
600 ForEachProvider(db => AreEqual(expected,
601 from p in db.Parent
602 join ch in
603 from c in db.Child
604 where c.ParentID > 0
605 select new { c.ParentID, c.ChildID }
606 on p.ParentID equals ch.ParentID into lj1
607 from ch in lj1.DefaultIfEmpty()
608 where ch == null
609 select p));
610 }
611
612 [Test]
613 public void CheckNull1()
614 {
615 ForEachProvider(db => AreEqual(
616 from p in Parent where p != null select p,
617 from p in db.Parent where p != null select p));
618 }
619
620 [Test]
621 public void CheckNull2()
622 {
623 int? n = null;
624
625 ForEachProvider(db => AreEqual(
626 from p in Parent where n != null || p.ParentID > 1 select p,
627 from p in db.Parent where n != null || p.ParentID > 1 select p));
628 }
629
630 [Test]
631 public void CheckNull3()
632 {
633 int? n = 1;
634
635 ForEachProvider(new[] { ProviderName.SqlCe, ProviderName.Firebird }, db => AreEqual(
636 from p in Parent where n != null || p.ParentID > 1 select p,
637 from p in db.Parent where n != null || p.ParentID > 1 select p));
638 }
639
640 [Test]
641 public void CheckCondition1()
642 {
643 var expected =
644 from p in Parent
645 where p.ParentID == 1 && p.Value1 == 1 || p.ParentID == 2 && p.Value1.HasValue
646 select p;
647
648 ForEachProvider(db => AreEqual(expected,
649 from p in db.Parent
650 where p.ParentID == 1 && p.Value1 == 1 || p.ParentID == 2 && p.Value1.HasValue
651 select p));
652 }
653
654 [Test]
655 public void CheckCondition2()
656 {
657 var expected =
658 from p in Parent
659 where p.ParentID == 1 && p.Value1 == 1 || p.ParentID == 2 && (p.ParentID != 3 || p.ParentID == 4) && p.Value1.HasValue
660 select p;
661
662 ForEachProvider(db => AreEqual(expected,
663 from p in db.Parent
664 where p.ParentID == 1 && p.Value1 == 1 || p.ParentID == 2 && (p.ParentID != 3 || p.ParentID == 4) && p.Value1.HasValue
665 select p));
666 }
667
668 [Test]
669 public void CompareObject1()
670 {
671 var child = (from ch in Child where ch.ParentID == 2 select ch).First();
672 var expected = from ch in Child where ch == child select ch;
673
674 ForEachProvider(db => AreEqual(expected, from ch in db.Child where ch == child select ch));
675 }
676
677 [Test]
678 public void CompareObject2()
679 {
680 var parent = (from p in Parent where p.ParentID == 2 select p).First();
681 var expected = from p in Parent where parent == p select p;
682
683 ForEachProvider(db => AreEqual(expected, from p in db.Parent where parent == p select p));
684 }
685
686 [Test]
687 public void CompareObject3()
688 {
689 var child = (from ch in Child where ch.ParentID == 2 select ch).First();
690 var expected = from ch in Child where ch != child select ch;
691
692 ForEachProvider(db => AreEqual(expected, from ch in db.Child where ch != child select ch));
693 }
694
695 [Test]
696 public void OrAnd()
697 {
698 var expected =
699 from c in Child
700 where (c.ParentID == 2 || c.ParentID == 3) && c.ChildID != 21
701 select c;
702
703 ForEachProvider(db => AreEqual(expected,
704 from c in db.Child
705 where (c.ParentID == 2 || c.ParentID == 3) && c.ChildID != 21
706 select c));
707 }
708
709 [Test]
710 public void NotOrAnd()
711 {
712 var expected =
713 from c in Child
714 where !(c.ParentID == 2 || c.ParentID == 3) && c.ChildID != 44
715 select c;
716
717 ForEachProvider(db => AreEqual(expected,
718 from c in db.Child
719 where !(c.ParentID == 2 || c.ParentID == 3) && c.ChildID != 44
720 select c));
721 }
722
723 [Test]
724 public void AndOr()
725 {
726 ForEachProvider(db => AreEqual(
727 from p in Parent
728 where p.ParentID == 1 || (p.ParentID == 2 || p.ParentID == 3) && (p.ParentID == 3 || p.ParentID == 1)
729 select p,
730 from p in db.Parent
731 where p.ParentID == 1 || (p.ParentID == 2 || p.ParentID == 3) && (p.ParentID == 3 || p.ParentID == 1)
732 select p));
733 }
734
735 [Test]
736 public void Contains1()
737 {
738 var words = new [] { "John", "Pupkin" };
739
740 var expected =
741 from p in Person
742 where words.Contains(p.FirstName) || words.Contains(p.LastName)
743 select p;
744
745 ForEachProvider(db => AreEqual(expected,
746 from p in db.Person
747 where words.Contains(p.FirstName) || words.Contains(p.LastName)
748 select p));
749 }
750
751 [Test]
752 public void Contains2()
753 {
754 IEnumerable<int> ids = new [] { 2, 3 };
755
756 ForEachProvider(db => AreEqual(
757 from p in Parent where ids.Contains(p.ParentID) select p,
758 from p in db.Parent where ids.Contains(p.ParentID) select p));
759 }
760
761 static IEnumerable<int> GetIds()
762 {
763 yield return 1;
764 yield return 2;
765 }
766
767 [Test]
768 public void Contains3()
769 {
770 ForEachProvider(db => AreEqual(
771 from p in Parent where GetIds().Contains(p.ParentID) select p,
772 from p in db.Parent where GetIds().Contains(p.ParentID) select p));
773 }
774
775 static IEnumerable<int> GetIds(int start, int n)
776 {
777 for (int i = 0; i < n; i++)
778 yield return start + i;
779 }
780
781 [Test]
782 public void Contains4()
783 {
784 ForEachProvider(db => AreEqual(
785 from p in Parent where GetIds(1, 2).Contains(p.ParentID) || GetIds(3, 0).Contains(p.ParentID) select p,
786 from p in db.Parent where GetIds(1, 2).Contains(p.ParentID) || GetIds(3, 0).Contains(p.ParentID) select p));
787 }
788
789 [Test]
790 public void Contains5()
791 {
792 IEnumerable<int> ids = new int[0];
793
794 ForEachProvider(db => AreEqual(
795 from p in Parent where !ids.Contains(p.ParentID) select p,
796 from p in db.Parent where !ids.Contains(p.ParentID) select p));
797 }
798
799 [Test]
800 public void AliasTest1()
801 {
802 int user = 3;
803
804 ForEachProvider(db => AreEqual(
805 from p in Parent where p.ParentID == user select p,
806 from p in db.Parent where p.ParentID == user select p));
807 }
808
809 [Test]
810 public void AliasTest2()
811 {
812 ForEachProvider(db => AreEqual(
813 Parent.Where(_ => _.ParentID == 3),
814 db.Parent.Where(_ => _.ParentID == 3)));
815 }
816
817 [Test]
818 public void AliasTest3()
819 {
820 ForEachProvider(db => AreEqual(
821 Parent.Where(_p => _p.ParentID == 3),
822 db.Parent.Where(_p => _p.ParentID == 3)));
823 }
824
825 [Test]
826 public void AliasTest4()
827 {
828 ForEachProvider(db => AreEqual(
829 Parent.Where(тбл => тбл.ParentID == 3),
830 db.Parent.Where(тбл => тбл.ParentID == 3)));
831 }
832
833 [Test]
834 public void AliasTest5()
835 {
836 ForEachProvider(db => AreEqual(
837 Parent.Where(p_ => p_.ParentID == 3),
838 db.Parent.Where(p_ => p_.ParentID == 3)));
839 }
840
841 [Test]
842 public void SelectNestedCalculatedTest([IncludeDataContexts("Northwind")] string context)
843 {
844 using (var db = new NorthwindDB())
845 AreEqual(
846 from r in from o in Order select o.Freight * 1000 where r > 100000 select r / 1000,
847 from r in from o in db.Order select o.Freight * 1000 where r > 100000 select r / 1000);
848 }
849
850 [Test]
851 public void CheckField1()
852 {
853 ForEachProvider(db => AreEqual(
854 from p in Parent
855 select new { p } into p
856 where p.p.ParentID == 1
857 select p.p,
858 from p in db.Parent
859 select new { p } into p
860 where p.p.ParentID == 1
861 select p.p));
862 }
863
864 [Test]
865 public void CheckField2()
866 {
867 ForEachProvider(db => AreEqual(
868 from p in Parent
869 select new { p } into p
870 where p.p.ParentID == 1
871 select new { p.p.Value1, p },
872 from p in db.Parent
873 select new { p } into p
874 where p.p.ParentID == 1
875 select new { p.p.Value1, p }));
876 }
877
878 [Test]
879 public void CheckField3()
880 {
881 ForEachProvider(db => AreEqual(
882 from p in Parent
883 select new { p } into p
884 where p.p.ParentID == 1
885 select new { p.p.Value1, p.p },
886 from p in db.Parent
887 select new { p } into p
888 where p.p.ParentID == 1
889 select new { p.p.Value1, p.p }));
890 }
891
892 [Test]
893 public void CheckField4()
894 {
895 ForEachProvider(db => AreEqual(
896 Parent.Select(p => new { p }).Where(p => p.p.ParentID == 1),
897 db.Parent.Select(p => new { p }).Where(p => p.p.ParentID == 1)));
898 }
899
900 [Test]
901 public void CheckField5()
902 {
903 ForEachProvider(db => AreEqual(
904 Parent.Select(p => new { Value = p.Value1 + 1, p }).Where(p => p.Value == 2 && p.p.ParentID == 1),
905 db.Parent.Select(p => new { Value = p.Value1 + 1, p }).Where(p => p.Value == 2 && p.p.ParentID == 1)));
906 }
907
908 [Test]
909 public void CheckField6()
910 {
911 ForEachProvider(db => AreEqual(
912 from p1 in Parent
913 select new { p1, Value = p1.Value1 * 100 } into p
914 where p.p1.ParentID == 1 && p.Value > 0
915 select new { p, p.p1.Value1, p.Value, p.p1 },
916
917 from p1 in db.Parent
918 select new { p1, Value = p1.Value1 * 100 } into p
919 where p.p1.ParentID == 1 && p.Value > 0
920 select new { p, p.p1.Value1, p.Value, p.p1 }));
921 }
922
923 [Test]
924 public void SubQuery1()
925 {
926 ForEachProvider(db => AreEqual(
927 from p in Types
928 select new { Value = Math.Round(p.MoneyValue, 2) } into pp
929 where pp.Value != 0 && pp.Value != 7
930 select pp.Value,
931 from p in db.Types
932 select new { Value = Math.Round(p.MoneyValue, 2) } into pp
933 where pp.Value != 0 && pp.Value != 7
934 select pp.Value));
935 }
936
937 [Test]
938 public void SearchCondition1()
939 {
940 ForEachProvider(db => AreEqual(
941 from t in Types
942 where !t.BoolValue && t.MoneyValue > 1 && (t.SmallIntValue == 5 || t.SmallIntValue == 7 || t.SmallIntValue == 8)
943 select t,
944 from t in db.Types
945 where !t.BoolValue && t.MoneyValue > 1 && (t.SmallIntValue == 5 || t.SmallIntValue == 7 || t.SmallIntValue == 8)
946 select t));
947 }
948 }
949 }