cadmpeg-codec-step 0.5.5

Read and write ISO 10303-21 STEP Part 21 files for AP203, AP214, and AP242.
Documentation 
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// SPDX-License-Identifier: Apache-2.0
use super::{pcurve_admission_note, PcurveAdmission, PCURVE_UNPROVED_NOTE_EXEMPLARS};

fn admissions(count: usize) -> Vec<PcurveAdmission> {
    (0..count as u64)
        .map(|index| PcurveAdmission {
            curve: index,
            surface: 100 + index,
            coedge_use: 200 + index,
        })
        .collect()
}

/// The warning names the first `PCURVE_UNPROVED_NOTE_EXEMPLARS` relations in
/// decode order and gives the number of relations it does not name.
#[test]
fn admission_warning_names_the_bounded_exemplars_and_counts_the_rest() {
    let extra = 4;
    let note = pcurve_admission_note(&admissions(PCURVE_UNPROVED_NOTE_EXEMPLARS + extra))
        .expect("recorded admissions give a warning");
    let message = note.message.as_str();

    assert!(
        message.contains(&format!(
            "admits {} pcurve relation(s)",
            PCURVE_UNPROVED_NOTE_EXEMPLARS + extra
        )),
        "{message}"
    );
    for index in 0..PCURVE_UNPROVED_NOTE_EXEMPLARS as u64 {
        assert!(
            message.contains(&format!(
                "curve #{index} on surface #{} at coedge use #{}",
                100 + index,
                200 + index
            )),
            "{message}"
        );
    }
    for index in
        PCURVE_UNPROVED_NOTE_EXEMPLARS as u64..(PCURVE_UNPROVED_NOTE_EXEMPLARS + extra) as u64
    {
        assert!(
            !message.contains(&format!("curve #{index} on surface")),
            "{message}"
        );
    }
    assert!(
        message.ends_with(&format!(", and {extra} more")),
        "{message}"
    );
}

/// A count at the exemplar bound names every relation and counts no remainder.
#[test]
fn admission_warning_at_the_exemplar_bound_names_every_relation() {
    let note = pcurve_admission_note(&admissions(PCURVE_UNPROVED_NOTE_EXEMPLARS))
        .expect("recorded admissions give a warning");
    let message = note.message.as_str();

    assert!(
        message.contains(&format!(
            "admits {PCURVE_UNPROVED_NOTE_EXEMPLARS} pcurve relation(s)"
        )),
        "{message}"
    );
    assert!(
        message.ends_with(&format!(
            "curve #{} on surface #{} at coedge use #{}",
            PCURVE_UNPROVED_NOTE_EXEMPLARS - 1,
            100 + PCURVE_UNPROVED_NOTE_EXEMPLARS - 1,
            200 + PCURVE_UNPROVED_NOTE_EXEMPLARS - 1
        )),
        "{message}"
    );
}

/// A document with no admitted relation reports no admission warning.
#[test]
fn no_admitted_relation_reports_no_admission_warning() {
    assert!(pcurve_admission_note(&[]).is_none());
}