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rust-index: use the Rust index in `partialmatch`
rust-index: use the Rust index in `partialmatch`

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testing.rs
77 lines | 1.8 KiB | application/rls-services+xml | RustLexer
Georges Racinet
rust: factorized testing Graphs...
r41277 // testing.rs
//
// Copyright 2018 Georges Racinet <georges.racinet@octobus.net>
//
// This software may be used and distributed according to the terms of the
// GNU General Public License version 2 or any later version.
use crate::{Graph, GraphError, Revision, NULL_REVISION};
/// A stub `Graph`, same as the one from `test-ancestor.py`
///
/// o 13
/// |
/// | o 12
/// | |
/// | | o 11
/// | | |\
/// | | | | o 10
/// | | | | |
/// | o---+ | 9
/// | | | | |
/// o | | | | 8
/// / / / /
/// | | o | 7
/// | | | |
/// o---+ | 6
/// / / /
/// | | o 5
/// | |/
/// | o 4
/// | |
/// o | 3
/// | |
/// | o 2
/// |/
/// o 1
/// |
/// o 0
#[derive(Clone, Debug)]
pub struct SampleGraph;
impl Graph for SampleGraph {
fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
Raphaël Gomès
rust: make `Revision` a newtype...
r51872 let null_rev = NULL_REVISION.0;
let res = match rev.0 {
0 => Ok([null_rev, null_rev]),
1 => Ok([0, null_rev]),
2 => Ok([1, null_rev]),
3 => Ok([1, null_rev]),
4 => Ok([2, null_rev]),
5 => Ok([4, null_rev]),
6 => Ok([4, null_rev]),
7 => Ok([4, null_rev]),
8 => Ok([null_rev, null_rev]),
Georges Racinet
rust: factorized testing Graphs...
r41277 9 => Ok([6, 7]),
Raphaël Gomès
rust: make `Revision` a newtype...
r51872 10 => Ok([5, null_rev]),
Georges Racinet
rust: factorized testing Graphs...
r41277 11 => Ok([3, 7]),
Raphaël Gomès
rust: make `Revision` a newtype...
r51872 12 => Ok([9, null_rev]),
13 => Ok([8, null_rev]),
r => Err(GraphError::ParentOutOfRange(Revision(r))),
};
match res {
Ok([a, b]) => Ok([Revision(a), Revision(b)]),
Err(e) => Err(e),
Georges Racinet
rust: factorized testing Graphs...
r41277 }
}
}
// A Graph represented by a vector whose indices are revisions
// and values are parents of the revisions
pub type VecGraph = Vec<[Revision; 2]>;
impl Graph for VecGraph {
fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> {
Raphaël Gomès
rust: make `Revision` a newtype...
r51872 Ok(self[rev.0 as usize])
Georges Racinet
rust: factorized testing Graphs...
r41277 }
}