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use predicates::prelude::*;
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use predicates::str::StartsWithPredicate;
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use super::pdf::PdfPredicate;

            

        

            

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use super::png::PngPredicate;

            

        

            

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use super::svg::SvgPredicate;

            

        

            

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

            

        

            

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pub fn is_png() -> PngPredicate {

            

        

            

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    PngPredicate {}

            

        

            

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}

            

        

            

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pub fn is_ps() -> StartsWithPredicate {

            

        

            

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    predicate::str::starts_with("%!PS-Adobe-3.0\n")

            

        

            

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}

            

        

            

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pub fn is_eps() -> StartsWithPredicate {

            

        

            

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    predicate::str::starts_with("%!PS-Adobe-3.0 EPSF-3.0\n")

            

        

            

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}

            

        

            

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pub fn is_pdf() -> PdfPredicate {

            

        

            

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    PdfPredicate {}

            

        

            

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}

            

        

            

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pub fn is_svg() -> SvgPredicate {

            

        

            

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    SvgPredicate {}

            

        

            

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}