rsvg_convert/tests/internal_predicates/file.rs


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use predicates::prelude::*;
use predicates::str::StartsWithPredicate;

use super::pdf::PdfPredicate;
use super::png::PngPredicate;
use super::svg::SvgPredicate;

/// Predicates to check that some output ([u8]) is of a certain file type

pub fn is_png() -> PngPredicate {
    PngPredicate {}
}

pub fn is_ps() -> StartsWithPredicate {
    predicate::str::starts_with("%!PS-Adobe-3.0\n")
}

pub fn is_eps() -> StartsWithPredicate {
    predicate::str::starts_with("%!PS-Adobe-3.0 EPSF-3.0\n")
}

pub fn is_pdf() -> PdfPredicate {
    PdfPredicate {}
}

pub fn is_svg() -> SvgPredicate {
    SvgPredicate {}
}