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annotate rust/hg-core/src/testing.rs @ 46566:3c5a8b13206a

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copies-rust: fix reverted argument when merging tiny minor or major The argument where not passed in the right other. This is not caught by the test (yet) because it is a sub case of a special case. Am I adding this to my list of things to test. Using test directly in Rust would be appropriate here. However we don't have the ability to test this code that way yet, and I am focussing on other part of that work right now. Differential Revision: https://phab.mercurial-scm.org/D9657
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 23 Dec 2020 03:04:33 +0100
parents 168041fa6d5f
children 4c5f6e95df84
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1 // testing.rs
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2 //
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3 // Copyright 2018 Georges Racinet <georges.racinet@octobus.net>
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4 //
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5 // This software may be used and distributed according to the terms of the
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6 // GNU General Public License version 2 or any later version.
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7
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8 use crate::{Graph, GraphError, Revision, NULL_REVISION};
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9
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10 /// A stub `Graph`, same as the one from `test-ancestor.py`
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11 ///
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12 /// o 13
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13 /// |
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14 /// | o 12
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15 /// | |
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16 /// | | o 11
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17 /// | | |\
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18 /// | | | | o 10
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19 /// | | | | |
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20 /// | o---+ | 9
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21 /// | | | | |
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22 /// o | | | | 8
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23 /// / / / /
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24 /// | | o | 7
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25 /// | | | |
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26 /// o---+ | 6
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27 /// / / /
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28 /// | | o 5
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29 /// | |/
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30 /// | o 4
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31 /// | |
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32 /// o | 3
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33 /// | |
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34 /// | o 2
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35 /// |/
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36 /// o 1
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37 /// |
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38 /// o 0
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39 #[derive(Clone, Debug)]
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40 pub struct SampleGraph;
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41
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42 impl Graph for SampleGraph {
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43 fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
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44 match rev {
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45 0 => Ok([NULL_REVISION, NULL_REVISION]),
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46 1 => Ok([0, NULL_REVISION]),
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47 2 => Ok([1, NULL_REVISION]),
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48 3 => Ok([1, NULL_REVISION]),
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49 4 => Ok([2, NULL_REVISION]),
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50 5 => Ok([4, NULL_REVISION]),
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51 6 => Ok([4, NULL_REVISION]),
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52 7 => Ok([4, NULL_REVISION]),
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53 8 => Ok([NULL_REVISION, NULL_REVISION]),
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54 9 => Ok([6, 7]),
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55 10 => Ok([5, NULL_REVISION]),
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56 11 => Ok([3, 7]),
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57 12 => Ok([9, NULL_REVISION]),
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58 13 => Ok([8, NULL_REVISION]),
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59 r => Err(GraphError::ParentOutOfRange(r)),
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60 }
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61 }
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62 }
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63
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64 // A Graph represented by a vector whose indices are revisions
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65 // and values are parents of the revisions
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66 pub type VecGraph = Vec<[Revision; 2]>;
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67
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68 impl Graph for VecGraph {
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69 fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
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70 Ok(self[rev as usize])
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71 }
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72 }