h3o 0.9.4

A Rust implementation of the H3 geospatial indexing system.
Documentation 
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use crate::error::{
    CompactionError, HexGridError, InvalidBaseCell, InvalidCellIndex,
    InvalidDirectedEdgeIndex, InvalidDirection, InvalidEdge, InvalidFace,
    InvalidLatLng, InvalidResolution, InvalidVertex, InvalidVertexIndex,
    LocalIjError, ResolutionMismatch,
};
#[cfg(feature = "geo")]
use crate::error::{DissolutionError, InvalidGeometry, PlotterError};
use alloc::string::ToString;
use core::error::Error as _;

// All error must have a non-empty display.
#[test]
fn display() {
    let hex_grid = HexGridError::new("error");

    assert!(
        !CompactionError::HeterogeneousResolution
            .to_string()
            .is_empty()
    );
    assert!(!CompactionError::DuplicateInput.to_string().is_empty());

    assert!(!hex_grid.to_string().is_empty());

    assert!(
        !InvalidResolution::new(Some(32), "error")
            .to_string()
            .is_empty()
    );
    assert!(
        !InvalidCellIndex::new(Some(0), "error")
            .to_string()
            .is_empty()
    );
    assert!(
        !InvalidDirectedEdgeIndex::new(Some(0), "error")
            .to_string()
            .is_empty()
    );
    assert!(
        !InvalidVertexIndex::new(Some(0), "error")
            .to_string()
            .is_empty()
    );
    assert!(!InvalidLatLng::new(f64::NAN, "error").to_string().is_empty());
    assert!(!InvalidEdge::new(7, "error").to_string().is_empty());
    assert!(!InvalidVertex::new(8, "error").to_string().is_empty());
    assert!(!InvalidFace::new(33, "error").to_string().is_empty());
    assert!(!InvalidBaseCell::new(128, "error").to_string().is_empty());
    assert!(!InvalidDirection::new(9, "error").to_string().is_empty());

    assert!(!LocalIjError::ResolutionMismatch.to_string().is_empty());
    assert!(!LocalIjError::Pentagon.to_string().is_empty());
    assert!(!LocalIjError::HexGrid(hex_grid).to_string().is_empty());

    assert!(!ResolutionMismatch.to_string().is_empty());

    #[cfg(feature = "geo")]
    {
        let invalid_geometry = InvalidGeometry::new("error");
        let local_ij = LocalIjError::Pentagon;

        assert!(!invalid_geometry.to_string().is_empty());
        assert!(
            !DissolutionError::UnsupportedResolution
                .to_string()
                .is_empty()
        );
        assert!(!DissolutionError::DuplicateInput.to_string().is_empty());

        assert!(!PlotterError::from(invalid_geometry).to_string().is_empty());
        assert!(!PlotterError::from(local_ij).to_string().is_empty());
    }
}

#[test]
fn source() {
    let hex_grid = HexGridError::new("error");

    assert!(CompactionError::HeterogeneousResolution.source().is_none());
    assert!(CompactionError::DuplicateInput.source().is_none());

    assert!(hex_grid.source().is_none());

    assert!(InvalidResolution::new(Some(32), "error").source().is_none());
    assert!(InvalidCellIndex::new(Some(0), "error").source().is_none());
    assert!(
        InvalidDirectedEdgeIndex::new(Some(0), "error")
            .source()
            .is_none()
    );
    assert!(InvalidVertexIndex::new(Some(0), "error").source().is_none());
    assert!(InvalidLatLng::new(f64::NAN, "error").source().is_none());
    assert!(InvalidEdge::new(7, "error").source().is_none());
    assert!(InvalidVertex::new(8, "error").source().is_none());
    assert!(InvalidFace::new(33, "error").source().is_none());
    assert!(InvalidBaseCell::new(128, "error").source().is_none());
    assert!(InvalidDirection::new(9, "error").source().is_none());

    assert!(LocalIjError::ResolutionMismatch.source().is_none());
    assert!(LocalIjError::Pentagon.source().is_none());
    assert!(LocalIjError::HexGrid(hex_grid).source().is_some());

    assert!(ResolutionMismatch.source().is_none());

    #[cfg(feature = "geo")]
    {
        let invalid_geometry = InvalidGeometry::new("error");
        let local_ij = LocalIjError::Pentagon;

        assert!(invalid_geometry.source().is_none());
        assert!(DissolutionError::UnsupportedResolution.source().is_none());
        assert!(DissolutionError::DuplicateInput.source().is_none());
        assert!(PlotterError::from(invalid_geometry).source().is_some());
        assert!(PlotterError::from(local_ij).source().is_some());
    }
}