Grcov report - bugs.rs

1

use matches::matches;

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use rsvg::{CairoRenderer, Loader, LoadingError, SvgHandle};

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4

use rsvg::test_utils::reference_utils::{Compare, Evaluate, Reference};

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use rsvg::test_utils::{load_svg, render_document, setup_font_map, setup_language, SurfaceSize};

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// https://gitlab.gnome.org/GNOME/librsvg/issues/335

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#[test]

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2

fn non_svg_root() {

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1

    assert!(matches!(load_svg(b"<x></x>"), Err(LoadingError::NoSvgRoot)));

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2

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// https://gitlab.gnome.org/GNOME/librsvg/issues/496

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#[test]

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2

fn inf_width() {

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1

    let svg = load_svg(

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        br#"<?xml version="1.0" encoding="UTF-8"?>

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<svg s="Pg" width="1001111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111" heiNht=" 00">

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 [l<g mask="url(sHaf:ax-fwiw0\inside\ax-ide\ax-flow#o0" styli="fility:!.5;">>

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  </g>

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</svg>"#,

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    ).unwrap();

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1

    let _output_surf = render_document(

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        &svg,

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1

        SurfaceSize(150, 150),

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1

        |cr| cr.translate(50.0, 50.0),

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1

        cairo::Rectangle::new(0.0, 0.0, 50.0, 50.0),

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    .unwrap();

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2

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// https://gitlab.gnome.org/GNOME/librsvg/issues/547

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#[test]

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2

fn nonexistent_image_shouldnt_cancel_rendering() {

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1

    let svg = load_svg(

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        br#"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"

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     width="50" height="50">

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  <image xlink:href="nonexistent.png" width="10" height="10"/>

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  <rect x="10" y="10" width="30" height="30" fill="blue"/>

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</svg>

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"#,

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    .unwrap();

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    let output_surf = render_document(

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        &svg,

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        SurfaceSize(50, 50),

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1

        |_| (),

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        cairo::Rectangle::new(0.0, 0.0, 50.0, 50.0),

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    .unwrap();

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    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 50, 50).unwrap();

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        let cr = cairo::Context::new(&reference_surf).unwrap();

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        cr.rectangle(10.0, 10.0, 30.0, 30.0);

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        cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);

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        cr.fill().unwrap();

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1

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    Reference::from_surface(reference_surf)

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        .compare(&output_surf)

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        .evaluate(&output_surf, "nonexistent_image_shouldnt_cancel_rendering");

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2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/568

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#[test]

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fn href_attribute_overrides_xlink_href() {

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    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns="http://www.w3.org/2000/svg"

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     xmlns:xlink="http://www.w3.org/1999/xlink"

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     width="500" height="500">

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  <defs>

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    <rect id="one" x="100" y="100" width="100" height="100" fill="red"/>

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    <rect id="two" x="100" y="100" width="100" height="100" fill="lime"/>

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  </defs>

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  <!-- Per https://svgwg.org/svg2-draft/linking.html#XLinkRefAttrs a plain

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       href attribute overrides an xlink:href one in SVG2 -->

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  <use xlink:href="#one" href="#two"/>

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</svg>

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"##,

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    .unwrap();

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    let output_surf = render_document(

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        &svg,

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        SurfaceSize(500, 500),

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1

        |_| (),

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        cairo::Rectangle::new(0.0, 0.0, 500.0, 500.0),

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    .unwrap();

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    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 500, 500).unwrap();

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1

        let cr = cairo::Context::new(&reference_surf).unwrap();

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        cr.rectangle(100.0, 100.0, 100.0, 100.0);

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        cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);

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1

        cr.fill().unwrap();

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1

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    Reference::from_surface(reference_surf)

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        .compare(&output_surf)

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        .evaluate(&output_surf, "href_attribute_overrides_xlink_href");

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2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/560

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#[test]

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fn nonexistent_filter_leaves_object_unfiltered() {

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1

    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns="http://www.w3.org/2000/svg"

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     width="500" height="500">

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  <rect x="100" y="100" width="100" height="100" fill="lime" filter="url(#nonexistent)"/>

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</svg>

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"##,

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    .unwrap();

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    let output_surf = render_document(

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        &svg,

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        SurfaceSize(500, 500),

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1

        |_| (),

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        cairo::Rectangle::new(0.0, 0.0, 500.0, 500.0),

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    .unwrap();

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    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 500, 500).unwrap();

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        let cr = cairo::Context::new(&reference_surf).unwrap();

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        cr.rectangle(100.0, 100.0, 100.0, 100.0);

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        cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);

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        cr.fill().unwrap();

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1

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    Reference::from_surface(reference_surf)

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        .compare(&output_surf)

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        .evaluate(&output_surf, "nonexistent_filter_leaves_object_unfiltered");

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2

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// https://www.w3.org/TR/SVG2/painting.html#SpecifyingPaint says this:

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//

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// A <paint> allows a paint server reference, to be optionally

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// followed by a <color> or the keyword none. When this optional value

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// is given, the <color> value or the value none is a fallback value

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// to use if the paint server reference in the layer is invalid (due

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// to pointing to an element that does not exist or which is not a

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// valid paint server).

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//

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// I'm interpreting this to mean that if we have

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// fill="url(#recursive_paint_server) fallback_color", then the

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// recursive paint server is not valid, and should fall back to to the

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// specified color.

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#[test]

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fn recursive_paint_servers_fallback_to_color() {

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    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"

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     width="200" height="200">

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  <defs>

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    <pattern id="p" width="10" height="10" xlink:href="#p"/>

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    <linearGradient id="l" xlink:href="#r"/>

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    <radialGradient id="r" xlink:href="#l"/>

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  </defs>

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  <!-- These two should not render as there is no fallback color -->

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  <rect fill="url(#p)" x="0" y="0" width="100" height="100" />

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  <rect fill="url(#l)" x="100" y="0" width="100" height="100" />

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  <!-- These two should render with the fallback color -->

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  <rect fill="url(#p) lime" x="0" y="100" width="100" height="100" />

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  <rect fill="url(#l) lime" x="100" y="100" width="100" height="100" />

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</svg>

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"##,

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    .unwrap();

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    let output_surf = render_document(

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        &svg,

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        SurfaceSize(200, 200),

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        |_| (),

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        cairo::Rectangle::new(0.0, 0.0, 200.0, 200.0),

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    .unwrap();

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    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 200, 200).unwrap();

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        let cr = cairo::Context::new(&reference_surf).unwrap();

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        cr.rectangle(0.0, 100.0, 200.0, 100.0);

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        cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);

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        cr.fill().unwrap();

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1

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    Reference::from_surface(reference_surf)

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        .compare(&output_surf)

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        .evaluate(&output_surf, "recursive_paint_servers_fallback_to_color");

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fn test_renders_as_empty(svg: &SvgHandle, test_name: &str) {

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    let output_surf = render_document(

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        svg,

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        SurfaceSize(100, 100),

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        |_| (),

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        cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0),

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    .unwrap();

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    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 100, 100).unwrap();

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    Reference::from_surface(reference_surf)

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        .compare(&output_surf)

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        .evaluate(&output_surf, test_name);

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3

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/308

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#[test]

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fn recursive_use() {

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    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns:xlink="http://www.w3.org/1999/xlink">

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  <defs>

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    <g id="one">

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      <use xlink:href="#one"/>

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    </g>

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  </defs>

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  <use xlink:href="#one"/>

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</svg>

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"##,

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    .unwrap();

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    test_renders_as_empty(&svg, "308-recursive-use");

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2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/308

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#[test]

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fn use_self_ref() {

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    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns:xlink="http://www.w3.org/1999/xlink">

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  <defs>

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    <use id="one" xlink:href="#one"/>

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  </defs>

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  <use xlink:href="#one"/>

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</svg>

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"##,

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    .unwrap();

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    test_renders_as_empty(&svg, "308-use-self-ref");

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/308

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#[test]

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fn doubly_recursive_use() {

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    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns:xlink="http://www.w3.org/1999/xlink">

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  <defs>

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    <g id="one">

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      <use xlink:href="#two"/>

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    </g>

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    <g id="two">

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      <use xlink:href="#one"/>

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    </g>

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  </defs>

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  <use xlink:href="#one"/>

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</svg>

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"##,

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    .unwrap();

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    test_renders_as_empty(&svg, "308-doubly-recursive-use");

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2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/347

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#[test]

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fn test_text_bounds() {

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1

    setup_font_map();

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1

    let handle = Loader::new()

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        .read_path("tests/fixtures/dimensions/bug347-wrapper.svg")

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        .unwrap_or_else(|e| panic!("could not load: {}", e));

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    let renderer = CairoRenderer::new(&handle).test_mode(true);

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1

    let (ink_r, _) = renderer

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        .geometry_for_layer(

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1

            Some("#LabelA"),

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            &cairo::Rectangle::new(0.0, 0.0, 248.0, 176.0),

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        .unwrap();

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1

    assert!(ink_r.x() >= 80.0 && ink_r.x() < 80.1);

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    // This is kind of suspicious, but we don't know the actual height of the

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    // text set at y=49 in the test SVG.  However, this test is more "text

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    // elements compute sensible bounds"; the bug #347 was that their ink_rect

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    // was not being computed correctly at all.

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1

    assert!(ink_r.y() > 48.0 && ink_r.y() < 49.0);

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2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/703

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#[test]

320

2

fn switch_element_should_ignore_elements_in_error() {

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1

    setup_language();

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1

    let svg = load_svg(

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        br##"<?xml version="1.0" encoding="UTF-8"?>

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<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">

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  <switch>

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    <rect x="10" y="10" width="10" height="10" systemLanguage="es_MX" id="es" fill="red"/>

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    <rect x="10" y="10" width="10" height="10" id="no_lang" fill="blue"/>

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  </switch>

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</svg>

331

"##,

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333

    .unwrap();

334

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1

    let output_surf = render_document(

336

        &svg,

337

1

        SurfaceSize(100, 100),

338

1

        |_| (),

339

1

        cairo::Rectangle::new(0.0, 0.0, 100.0, 100.0),

340

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    .unwrap();

342

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1

    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 100, 100).unwrap();

344

345

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1

        let cr = cairo::Context::new(&reference_surf).unwrap();

347

348

1

        cr.rectangle(10.0, 10.0, 10.0, 10.0);

349

1

        cr.set_source_rgba(0.0, 0.0, 1.0, 1.0);

350

1

        cr.fill().unwrap();

351

1

352

353

1

    Reference::from_surface(reference_surf)

354

        .compare(&output_surf)

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        .evaluate(

356

            &output_surf,

357

            "switch_element_should_ignore_elements_in_error",

358

1

);

359

2

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// https://gitlab.gnome.org/GNOME/librsvg/-/issues/566

362

#[test]

363

2

fn accepted_children_inside_clip_path() {

364

1

    let svg = load_svg(

365

        br##"<?xml version="1.0" encoding="UTF-8"?>

366

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200">

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  <defs>

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    <clipPath id="one">

369

<g>

370

        <rect x="10" y="10" width="50" height="50"/>

371

      </g>

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    </clipPath>

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    <clipPath id="two">

375

      <use xlink:href="#three"/>

376

    </clipPath>

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    <use id="three" xlink:href="#four"/>

379

380

    <rect id="four" x="10" y="10" width="50" height="50"/>

381

  </defs>

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383

  <rect x="10" y="10" width="100" height="100" fill="lime"/>

384

385

  <rect x="20" y="20" width="10" height="10" fill="red" clip-path="url(#one)"/>

386

387

  <rect x="40" y="40" width="10" height="10" fill="red" clip-path="url(#two)"/>

388

</svg>

389

"##,

390

391

    .unwrap();

392

393

1

    let output_surf = render_document(

394

        &svg,

395

1

        SurfaceSize(200, 200),

396

1

        |_| (),

397

1

        cairo::Rectangle::new(0.0, 0.0, 200.0, 200.0),

398

399

    .unwrap();

400

401

1

    let reference_surf = cairo::ImageSurface::create(cairo::Format::ARgb32, 200, 200).unwrap();

402

403

404

1

        let cr = cairo::Context::new(&reference_surf).unwrap();

405

406

1

        cr.rectangle(10.0, 10.0, 100.0, 100.0);

407

1

        cr.set_source_rgba(0.0, 1.0, 0.0, 1.0);

408

1

        cr.fill().unwrap();

409

1

410

411

1

    Reference::from_surface(reference_surf)

412

        .compare(&output_surf)

413

1

        .evaluate(&output_surf, "accepted_children_inside_clip_path");

414

2

415

416

#[test]

417

2

fn can_draw_to_non_image_surface() {

418

    // This tries to exercise the various tricky code paths in DrawingCtx::with_discrete_layer()

419

    // that depend on whether there are filter/masks/opacity - they are easy to break when

420

    // the application is using something other than a cairo::ImageSurface.

421

1

    let svg = load_svg(

422

        br##"<?xml version="1.0" encoding="UTF-8"?>

423

<svg xmlns="http://www.w3.org/2000/svg" width="400" height="100">

424

  <!-- code path with opacity, no mask -->

425

  <rect x="0" y="0" width="100" height="100" fill="lime" opacity="0.5"/>

426

427

  <!-- code path with mask -->

428

  <mask id="mask" maskUnits="objectBoundingBox">

429

    <rect x="10%" y="10%" width="80%" height="80%" fill="white"/>

430

  </mask>

431

  <rect x="100" y="0" width="100" height="100" fill="lime" mask="url(#mask)"/>

432

433

  <!-- code path with filter -->

434

  <rect x="200" y="0" width="100" height="100" fill="lime" filter="blur(5)"/>

435

436

  <!-- code path with filter and mask-->

437

  <rect x="300" y="0" width="100" height="100" fill="lime" filter="blur(5)" mask="url(#mask)"/>

438

</svg>

439

"##,

440

441

    .unwrap();

442

443

1

    let renderer = CairoRenderer::new(&svg);

444

445

1

    let viewport = cairo::Rectangle::new(0.0, 0.0, 200.0, 200.0);

446

447

    let output =

448

1

        cairo::RecordingSurface::create(cairo::Content::ColorAlpha, Some(viewport)).unwrap();

449

450

1

    let cr = cairo::Context::new(&output).expect("Failed to create a cairo context");

451

1

    renderer

452

        .render_document(&cr, &viewport)

453

        .expect("Failed to render to non-image surface");

454

2