rumoca 0.7.28

Modelica compiler written in RUST
Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
//! MLS Chapter 9: High-Priority Edge Case Tests
//!
//! This module contains critical tests for connection edge cases
//! and advanced scenarios in connector behavior.
//!
//! Reference: https://specification.modelica.org/master/connectors-connections.html

use crate::spec::{expect_failure, expect_parse_success, expect_success};

// ============================================================================
// CRITICAL: CONNECTION GRAPH EDGE CASES
// ============================================================================

/// Critical connection graph edge cases
mod connection_critical {
    use super::*;

    /// Critical: Connection with self
    #[test]
    #[ignore = "Self-connection detection not yet implemented"]
    fn critical_self_connection() {
        expect_failure(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Test
                C c;
            equation
                connect(c, c);
            end Test;
            "#,
            "Test",
        );
    }

    /// Critical: Circular connection chain
    #[test]
    fn critical_circular_chain() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Element
                C a, b;
            equation
                a.v = b.v;
                a.i + b.i = 0;
            end Element;

            model Ring
                Element e1, e2, e3, e4;
            equation
                connect(e1.b, e2.a);
                connect(e2.b, e3.a);
                connect(e3.b, e4.a);
                connect(e4.b, e1.a);
            end Ring;
            "#,
        );
    }

    /// Critical: Star topology
    #[test]
    fn critical_star_topology() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Element
                C port;
            equation
                port.v = 1;
            end Element;

            model Star
                Element center;
                Element leaf1, leaf2, leaf3, leaf4, leaf5;
            equation
                connect(center.port, leaf1.port);
                connect(center.port, leaf2.port);
                connect(center.port, leaf3.port);
                connect(center.port, leaf4.port);
                connect(center.port, leaf5.port);
            end Star;
            "#,
        );
    }

    /// Critical: Diamond connection pattern
    #[test]
    fn critical_diamond_pattern() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Element
                C a, b;
            equation
                a.v = b.v;
                a.i + b.i = 0;
            end Element;

            model Diamond
                Element top;
                Element left, right;
                Element bottom;
            equation
                connect(top.b, left.a);
                connect(top.b, right.a);
                connect(left.b, bottom.a);
                connect(right.b, bottom.a);
            end Diamond;
            "#,
        );
    }

    /// Critical: Deep hierarchy connection
    #[test]
    fn critical_deep_hierarchy() {
        expect_success(
            r#"
            connector Pin
                Real v;
                flow Real i;
            end Pin;

            model Level1
                Pin p;
            equation
                p.v = 1;
            end Level1;

            model Level2
                Level1 sub;
            equation
            end Level2;

            model Level3
                Level2 sub;
            equation
            end Level3;

            model Level4
                Level3 sub;
            equation
            end Level4;

            model Test
                Level4 a;
                Level4 b;
            equation
                connect(a.sub.sub.sub.p, b.sub.sub.sub.p);
            end Test;
            "#,
            "Test",
        );
    }
}

// ============================================================================
// CRITICAL: FLOW BALANCE EDGE CASES
// ============================================================================

/// Critical flow balance edge cases
mod flow_balance_critical {
    use super::*;

    /// Critical: Zero flow at isolated node
    #[test]
    fn critical_isolated_zero_flow() {
        expect_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Source
                C port;
            equation
                port.v = 5;
            end Source;
            "#,
            "Source",
        );
    }

    /// Critical: Multiple flows cancel
    #[test]
    fn critical_flow_cancellation() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Source
                C port;
                parameter Real I = 1;
            equation
                port.i = -I;
                port.v = 5;
            end Source;

            model Sink
                C port;
                parameter Real I = 1;
            equation
                port.i = I;
            end Sink;

            model Test
                Source s1(I = 1);
                Source s2(I = 1);
                Sink sink(I = 2);
            equation
                connect(s1.port, sink.port);
                connect(s2.port, sink.port);
            end Test;
            "#,
        );
    }

    /// Critical: Large connection set
    #[test]
    fn critical_large_connection_set() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Node
                C port;
            equation
                port.v = 1;
            end Node;

            model LargeSet
                Node n1, n2, n3, n4, n5, n6, n7, n8;
            equation
                connect(n1.port, n2.port);
                connect(n1.port, n3.port);
                connect(n1.port, n4.port);
                connect(n1.port, n5.port);
                connect(n1.port, n6.port);
                connect(n1.port, n7.port);
                connect(n1.port, n8.port);
            end LargeSet;
            "#,
        );
    }
}

// ============================================================================
// CRITICAL: CONNECTOR ARRAY EDGE CASES
// ============================================================================

/// Critical connector array edge cases
mod array_critical {
    use super::*;

    /// Critical: Connect array slices
    #[test]
    fn critical_array_slices() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Test
                C a[6], b[3];
            equation
                connect(a[1:3], b);
            end Test;
            "#,
        );
    }

    /// Critical: Parameter-sized connector arrays
    #[test]
    fn critical_param_sized_arrays() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Parallel
                parameter Integer n = 5;
                C a[n], b[n];
            equation
                for i in 1:n loop
                    connect(a[i], b[i]);
                end for;
            end Parallel;
            "#,
        );
    }

    /// Critical: 2D connector grid
    #[test]
    fn critical_2d_grid() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Grid
                C nodes[3, 3];
            equation
                for i in 1:2 loop
                    for j in 1:3 loop
                        connect(nodes[i, j], nodes[i+1, j]);
                    end for;
                end for;
            end Grid;
            "#,
        );
    }
}

// ============================================================================
// CRITICAL: EXPANDABLE CONNECTOR EDGE CASES
// ============================================================================

/// Critical expandable connector edge cases
mod expandable_critical {
    use super::*;

    /// Critical: Dynamic element addition
    #[test]
    fn critical_dynamic_addition() {
        expect_parse_success(
            r#"
            expandable connector Bus
            end Bus;

            connector RealSignal
                Real value;
            end RealSignal;

            model Sensor
                Bus bus;
                RealSignal signal;
            equation
                connect(bus.temperature, signal);
            end Sensor;
            "#,
        );
    }

    /// Critical: Mixed expandable connections
    #[test]
    fn critical_mixed_expandable() {
        expect_parse_success(
            r#"
            expandable connector Bus
                Real speed;
            end Bus;

            connector Signal
                Real value;
            end Signal;

            model Test
                Bus bus1, bus2;
                Signal s;
            equation
                connect(bus1, bus2);
                connect(bus1.extra, s);
            end Test;
            "#,
        );
    }
}

// ============================================================================
// CRITICAL: NESTED CONNECTOR EDGE CASES
// ============================================================================

/// Critical nested connector edge cases
mod nested_critical {
    use super::*;

    /// Critical: Deep nested connector
    #[test]
    fn critical_deep_nested() {
        expect_parse_success(
            r#"
            connector Level1
                Real a;
                flow Real fa;
            end Level1;

            connector Level2
                Level1 sub;
            end Level2;

            connector Level3
                Level2 sub;
            end Level3;

            model Test
                Level3 port1, port2;
            equation
                connect(port1, port2);
            end Test;
            "#,
        );
    }

    /// Critical: Mixed nested and flat
    #[test]
    fn critical_mixed_nested() {
        expect_parse_success(
            r#"
            connector Simple
                Real v;
                flow Real i;
            end Simple;

            connector Compound
                Simple a;
                Simple b;
                Real extra;
            end Compound;

            model Test
                Compound c1, c2;
            equation
                connect(c1, c2);
            end Test;
            "#,
        );
    }

    /// Critical: Partial nested connection
    #[test]
    fn critical_partial_nested() {
        expect_parse_success(
            r#"
            connector Simple
                Real v;
                flow Real i;
            end Simple;

            connector Compound
                Simple a;
                Simple b;
            end Compound;

            model Test
                Compound c;
                Simple s;
            equation
                connect(c.a, s);
            end Test;
            "#,
        );
    }
}

// ============================================================================
// CRITICAL: STREAM CONNECTOR EDGE CASES
// ============================================================================

/// Critical stream connector edge cases
mod stream_critical {
    use super::*;

    /// Critical: Basic stream connector
    #[test]
    fn critical_stream_basic() {
        expect_parse_success(
            r#"
            connector FluidPort
                Real p;
                flow Real m_flow;
                stream Real h_outflow;
            end FluidPort;

            model Tank
                FluidPort port;
            equation
                port.p = 1e5;
                port.h_outflow = 1e6;
            end Tank;
            "#,
        );
    }

    /// Critical: Multiple stream variables
    #[test]
    fn critical_multiple_streams() {
        expect_parse_success(
            r#"
            connector MultiStream
                Real p;
                flow Real m_flow;
                stream Real h_outflow;
                stream Real Xi_outflow[3];
            end MultiStream;

            model Component
                MultiStream port;
            equation
                port.p = 1e5;
                port.h_outflow = 1e6;
                port.Xi_outflow = {0.2, 0.3, 0.5};
            end Component;
            "#,
        );
    }

    /// Critical: Stream connector connection
    #[test]
    fn critical_stream_connection() {
        expect_parse_success(
            r#"
            connector FluidPort
                Real p;
                flow Real m_flow;
                stream Real h_outflow;
            end FluidPort;

            model Pipe
                FluidPort a, b;
            equation
                a.p = b.p;
                a.m_flow + b.m_flow = 0;
                a.h_outflow = b.h_outflow;
            end Pipe;

            model System
                Pipe p1, p2;
            equation
                connect(p1.b, p2.a);
                p1.a.p = 1e5;
                p1.a.h_outflow = 1e6;
                p2.b.p = 0.9e5;
                p2.b.h_outflow = 1e6;
            end System;
            "#,
        );
    }
}

// ============================================================================
// CRITICAL: ERROR DETECTION
// ============================================================================

/// Critical error detection cases
mod error_critical {
    use super::*;

    /// Critical: Incompatible flow/non-flow mix
    #[test]
    #[ignore = "Flow/non-flow validation not yet implemented"]
    fn critical_incompatible_flow_mix() {
        expect_failure(
            r#"
            connector A
                Real v;
                flow Real i;
            end A;

            connector B
                flow Real v;
                Real i;
            end B;

            model Test
                A a;
                B b;
            equation
                connect(a, b);
            end Test;
            "#,
            "Test",
        );
    }

    /// Critical: Connect inside if
    #[test]
    fn critical_connect_in_if() {
        expect_parse_success(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Test
                C a, b, c;
                parameter Boolean useB = true;
            equation
                if useB then
                    connect(a, b);
                else
                    connect(a, c);
                end if;
            end Test;
            "#,
        );
    }

    /// Critical: Connect in when (should be invalid)
    #[test]
    #[ignore = "Connect in when validation not yet implemented"]
    fn critical_connect_in_when_error() {
        expect_failure(
            r#"
            connector C
                Real v;
                flow Real i;
            end C;

            model Test
                C a, b;
                Real t(start = 0);
            equation
                der(t) = 1;
                when t > 1 then
                    connect(a, b);
                end when;
            end Test;
            "#,
            "Test",
        );
    }
}

// ============================================================================
// COMPLEX SCENARIOS
// ============================================================================

/// Complex connection scenarios
mod complex_scenarios {
    use super::*;

    /// Complex: Multi-domain system
    #[test]
    fn complex_multi_domain() {
        expect_parse_success(
            r#"
            connector ElectricalPin
                Real v;
                flow Real i;
            end ElectricalPin;

            connector HeatPort
                Real T;
                flow Real Q_flow;
            end HeatPort;

            model HeatedResistor
                ElectricalPin p, n;
                HeatPort heatPort;
                parameter Real R = 100;
                Real power;
            equation
                p.v - n.v = R * p.i;
                p.i + n.i = 0;
                power = R * p.i^2;
                heatPort.Q_flow = -power;
            end HeatedResistor;
            "#,
        );
    }

    /// Complex: Component with multiple connector types
    #[test]
    fn complex_multiple_connector_types() {
        expect_parse_success(
            r#"
            connector Flange
                Real phi;
                flow Real tau;
            end Flange;

            connector Pin
                Real v;
                flow Real i;
            end Pin;

            model Motor
                Flange shaft;
                Pin p, n;
                parameter Real k = 1;
            equation
                shaft.tau = k * (p.i);
                p.v - n.v = k * der(shaft.phi);
                p.i + n.i = 0;
            end Motor;
            "#,
        );
    }
}