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1 | scope test_PStack |
2 | |
3 | /* Goal: Allow probabilistic branching deep within nested function calls |
4 | |
5 | Like this, to return 4 different values: |
6 | |
7 | S color = "black" with probability 0.75 |
8 | or "white" with probability 0.25; |
9 | S shape = "circle" with probability 0.4 |
10 | or "square" with probability 0.6; |
11 | return "A " + color + " " + shape; |
12 | */ |
13 | |
14 | sclass #C1 extends PStackComputableWithStep<S> {
|
15 | S color; |
16 | |
17 | public void step(IPStack stack) {
|
18 | if (step == 0) {
|
19 | ++step; |
20 | stack.options(this, ll( |
21 | o -> o.color = "red", |
22 | o -> o.color = "green")); |
23 | } else |
24 | stack.ret(color); |
25 | } |
26 | } |
27 | |
28 | please include function test_BStack. |
29 | |
30 | svoid test_PStack() {
|
31 | test_PStack_oneBranch(); |
32 | test_PStack_twoBranches(); |
33 | test_PStack_oneBranch3Options(); |
34 | test_PStack_twoBranches3Options(); |
35 | test_PStack_noOptions(); |
36 | } |
37 | |
38 | svoid test_PStack_oneBranch() {
|
39 | assertEqualsVerbose( |
40 | ll("Color is black", "Color is white"),
|
41 | pstackComputeAll(new test_BStack_OneBranch)); |
42 | } |
43 | |
44 | svoid test_PStack_oneBranch3Options() {
|
45 | assertEqualsVerbose( |
46 | ll("Color is black", "Color is white", "Color is gray"),
|
47 | pstackComputeAll(new test_BStack_OneBranch3Options)); |
48 | } |
49 | |
50 | svoid test_PStack_twoBranches() {
|
51 | assertEqualsVerbose( |
52 | ll("A black circle", "A black square",
|
53 | "A white circle", "A white square"), |
54 | pstackComputeAll(new test_BStack_TwoBranches)); |
55 | } |
56 | |
57 | svoid test_PStack_twoBranches3Options() {
|
58 | assertEqualsVerbose( |
59 | ll("A black circle", "A black square", "A black triangle",
|
60 | "A white circle", "A white square", "A white triangle", |
61 | "A gray circle", "A gray square", "A gray triangle"), |
62 | pstackComputeAll(new test_BStack_TwoBranches3Options)); |
63 | } |
64 | |
65 | svoid test_PStack_noOptions() {
|
66 | assertInnerExceptionOfTypeVerbose(PStack.NoOptionsException.class, |
67 | -> pstackComputeAll(new test_BStack_NoOptions)); |
68 | } |
Began life as a copy of #1035397
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| Snippet ID: | #1035428 |
| Snippet name: | test_PStack (OK) |
| Eternal ID of this version: | #1035428/5 |
| Text MD5: | 14bdfcb42edf4a7280f05e81f3a9c61f |
| Transpilation MD5: | daf30db31239a6388630dc4776c01b7e |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-05-08 21:06:39 |
| Source code size: | 1894 bytes / 68 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 77 / 144 |
| Version history: | 4 change(s) |
| Referenced in: | [show references] |