Add all remaining test cases from resvg. (#60)

typst · Feb 12, 2024 · 5dfd1fe · 5dfd1fe
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diff --git a/tests/README.md b/tests/README.md
@@ -30,6 +30,13 @@ that are part of the test suites. SVG files which don't have a corresponding ref
 will be skipped. To regenerate this file, you can simply run `./scripts/gen-tests.py` and
 it should work out of the box. 
 
+Note: The aim of the test cases it not necessarily to check whether the SVGs are rendered
+correctly, but rather whether our SVGs output match the one from resvg. In most cases, if
+it matches resvg it is also correct, because resvg is pretty good at rendering SVGs in general.
+However, a couple of features are not implemented (e.g. `enableBackground` in filters), thus
+they are not rendered correctly, but we consider the test case as passing anyway, because
+it matches the output of resvg.
+
 To run the tests, you can then just invoke `cargo test --release` (make sure to run it
 in release mode, otherwise it will be very slow).
 

diff --git a/tests/ref/resvg/filters/enable-background/accumulate-with-new.png b/tests/ref/resvg/filters/enable-background/accumulate-with-new.png
diff --git a/tests/ref/resvg/filters/enable-background/accumulate.png b/tests/ref/resvg/filters/enable-background/accumulate.png
diff --git a/tests/ref/resvg/filters/enable-background/filter-on-shape.png b/tests/ref/resvg/filters/enable-background/filter-on-shape.png
diff --git a/tests/ref/resvg/filters/enable-background/inherit.png b/tests/ref/resvg/filters/enable-background/inherit.png
diff --git a/tests/ref/resvg/filters/enable-background/new-with-invalid-region-1.png b/tests/ref/resvg/filters/enable-background/new-with-invalid-region-1.png
diff --git a/tests/ref/resvg/filters/enable-background/new-with-invalid-region-2.png b/tests/ref/resvg/filters/enable-background/new-with-invalid-region-2.png
diff --git a/tests/ref/resvg/filters/enable-background/new-with-invalid-region-3.png b/tests/ref/resvg/filters/enable-background/new-with-invalid-region-3.png
diff --git a/tests/ref/resvg/filters/enable-background/new-with-region.png b/tests/ref/resvg/filters/enable-background/new-with-region.png
diff --git a/tests/ref/resvg/filters/enable-background/new.png b/tests/ref/resvg/filters/enable-background/new.png
diff --git a/tests/ref/resvg/filters/enable-background/shapes-after-filter.png b/tests/ref/resvg/filters/enable-background/shapes-after-filter.png
diff --git a/tests/ref/resvg/filters/enable-background/stop-on-the-first-new-1.png b/tests/ref/resvg/filters/enable-background/stop-on-the-first-new-1.png
diff --git a/tests/ref/resvg/filters/enable-background/stop-on-the-first-new-2.png b/tests/ref/resvg/filters/enable-background/stop-on-the-first-new-2.png
diff --git a/tests/ref/resvg/filters/enable-background/with-clip-path.png b/tests/ref/resvg/filters/enable-background/with-clip-path.png
diff --git a/tests/ref/resvg/filters/enable-background/with-filter-on-the-same-element.png b/tests/ref/resvg/filters/enable-background/with-filter-on-the-same-element.png
diff --git a/tests/ref/resvg/filters/enable-background/with-filter.png b/tests/ref/resvg/filters/enable-background/with-filter.png
diff --git a/tests/ref/resvg/filters/enable-background/with-mask.png b/tests/ref/resvg/filters/enable-background/with-mask.png
diff --git a/tests/ref/resvg/filters/enable-background/with-opacity-1.png b/tests/ref/resvg/filters/enable-background/with-opacity-1.png
diff --git a/tests/ref/resvg/filters/enable-background/with-opacity-2.png b/tests/ref/resvg/filters/enable-background/with-opacity-2.png
diff --git a/tests/ref/resvg/filters/enable-background/with-opacity-3.png b/tests/ref/resvg/filters/enable-background/with-opacity-3.png
diff --git a/tests/ref/resvg/filters/enable-background/with-opacity-4.png b/tests/ref/resvg/filters/enable-background/with-opacity-4.png
diff --git a/tests/ref/resvg/filters/enable-background/with-transform.png b/tests/ref/resvg/filters/enable-background/with-transform.png
diff --git a/tests/ref/resvg/filters/feColorMatrix/type=saturate-with-a-large-coefficient.png b/tests/ref/resvg/filters/feColorMatrix/type=saturate-with-a-large-coefficient.png
diff --git a/tests/ref/resvg/filters/feColorMatrix/type=saturate-with-negative-coefficient.png b/tests/ref/resvg/filters/feColorMatrix/type=saturate-with-negative-coefficient.png
diff --git a/tests/ref/resvg/filters/feConvolveMatrix/bias=-0.5.png b/tests/ref/resvg/filters/feConvolveMatrix/bias=-0.5.png
diff --git a/tests/ref/resvg/filters/feConvolveMatrix/bias=0.5.png b/tests/ref/resvg/filters/feConvolveMatrix/bias=0.5.png
diff --git a/tests/ref/resvg/filters/feConvolveMatrix/bias=9999.png b/tests/ref/resvg/filters/feConvolveMatrix/bias=9999.png
diff --git a/...resvg/filters/feConvolveMatrix/edgeMode=wrap-with-matrix-larger-than-target.png b/...resvg/filters/feConvolveMatrix/edgeMode=wrap-with-matrix-larger-than-target.png
diff --git a/tests/ref/resvg/filters/feDiffuseLighting/complex-transform.png b/tests/ref/resvg/filters/feDiffuseLighting/complex-transform.png
diff --git a/tests/ref/resvg/filters/feDisplacementMap/simple-case.png b/tests/ref/resvg/filters/feDisplacementMap/simple-case.png
diff --git a/tests/ref/resvg/filters/feFlood/complex-transform.png b/tests/ref/resvg/filters/feFlood/complex-transform.png
diff --git a/tests/ref/resvg/filters/feFlood/partial-subregion.png b/tests/ref/resvg/filters/feFlood/partial-subregion.png
diff --git a/tests/ref/resvg/filters/feGaussianBlur/complex-transform.png b/tests/ref/resvg/filters/feGaussianBlur/complex-transform.png
diff --git a/tests/ref/resvg/filters/feImage/link-on-an-element-with-complex-transform.png b/tests/ref/resvg/filters/feImage/link-on-an-element-with-complex-transform.png
diff --git a/tests/ref/resvg/filters/feImage/with-subregion-5.png b/tests/ref/resvg/filters/feImage/with-subregion-5.png
diff --git a/tests/ref/resvg/filters/feImage/with-x-y-and-protruding-subregion-1.png b/tests/ref/resvg/filters/feImage/with-x-y-and-protruding-subregion-1.png
diff --git a/tests/ref/resvg/filters/feImage/with-x-y-and-protruding-subregion-2.png b/tests/ref/resvg/filters/feImage/with-x-y-and-protruding-subregion-2.png
diff --git a/tests/ref/resvg/filters/feImage/with-x-y.png b/tests/ref/resvg/filters/feImage/with-x-y.png
diff --git a/tests/ref/resvg/filters/feMerge/complex-transform.png b/tests/ref/resvg/filters/feMerge/complex-transform.png
diff --git a/tests/ref/resvg/filters/feOffset/complex-transform.png b/tests/ref/resvg/filters/feOffset/complex-transform.png
diff --git a/tests/ref/resvg/filters/feOffset/fractional-offset.png b/tests/ref/resvg/filters/feOffset/fractional-offset.png
diff --git a/tests/ref/resvg/filters/fePointLight/complex-transform.png b/tests/ref/resvg/filters/fePointLight/complex-transform.png
diff --git a/tests/ref/resvg/filters/feSpotLight/complex-transform.png b/tests/ref/resvg/filters/feSpotLight/complex-transform.png
diff --git a/tests/ref/resvg/filters/feSpotLight/limitingConeAngle=0.png b/tests/ref/resvg/filters/feSpotLight/limitingConeAngle=0.png
diff --git a/tests/ref/resvg/filters/feSpotLight/primitiveUnits=objectBoundingBox.png b/tests/ref/resvg/filters/feSpotLight/primitiveUnits=objectBoundingBox.png
diff --git a/tests/ref/resvg/filters/feTile/complex-transform.png b/tests/ref/resvg/filters/feTile/complex-transform.png
diff --git a/tests/ref/resvg/filters/feTurbulence/complex-transform.png b/tests/ref/resvg/filters/feTurbulence/complex-transform.png
diff --git a/tests/ref/resvg/filters/feTurbulence/stitchTiles=stitch.png b/tests/ref/resvg/filters/feTurbulence/stitchTiles=stitch.png
diff --git a/tests/ref/resvg/filters/filter-functions/two-exact-urls.png b/tests/ref/resvg/filters/filter-functions/two-exact-urls.png
diff --git a/tests/ref/resvg/filters/filter/in=BackgroundAlpha-with-enable-background.png b/tests/ref/resvg/filters/filter/in=BackgroundAlpha-with-enable-background.png
diff --git a/tests/ref/resvg/filters/filter/in=BackgroundImage-with-enable-background.png b/tests/ref/resvg/filters/filter/in=BackgroundImage-with-enable-background.png
diff --git a/tests/ref/resvg/filters/filter/in=FillPaint-on-g-without-children.png b/tests/ref/resvg/filters/filter/in=FillPaint-on-g-without-children.png
diff --git a/tests/ref/resvg/filters/filter/in=FillPaint-with-gradient.png b/tests/ref/resvg/filters/filter/in=FillPaint-with-gradient.png
diff --git a/tests/ref/resvg/filters/filter/in=FillPaint-with-pattern.png b/tests/ref/resvg/filters/filter/in=FillPaint-with-pattern.png
diff --git a/tests/ref/resvg/filters/filter/in=FillPaint-with-target-on-g.png b/tests/ref/resvg/filters/filter/in=FillPaint-with-target-on-g.png
diff --git a/tests/ref/resvg/filters/filter/in=FillPaint.png b/tests/ref/resvg/filters/filter/in=FillPaint.png
diff --git a/tests/ref/resvg/filters/filter/in=StrokePaint.png b/tests/ref/resvg/filters/filter/in=StrokePaint.png
diff --git a/tests/ref/resvg/filters/filter/on-a-thin-rect.png b/tests/ref/resvg/filters/filter/on-a-thin-rect.png
diff --git a/tests/ref/resvg/filters/filter/on-an-empty-group-1.png b/tests/ref/resvg/filters/filter/on-an-empty-group-1.png
diff --git a/tests/ref/resvg/filters/filter/on-the-root-svg.png b/tests/ref/resvg/filters/filter/on-the-root-svg.png
diff --git a/tests/ref/resvg/filters/filter/path-bbox.png b/tests/ref/resvg/filters/filter/path-bbox.png
diff --git a/...s/ref/resvg/filters/filter/subregion-and-primitiveUnits=objectBoundingBox-1.png b/...s/ref/resvg/filters/filter/subregion-and-primitiveUnits=objectBoundingBox-1.png
diff --git a/...s/ref/resvg/filters/filter/subregion-and-primitiveUnits=objectBoundingBox-2.png b/...s/ref/resvg/filters/filter/subregion-and-primitiveUnits=objectBoundingBox-2.png
diff --git a/tests/ref/resvg/filters/filter/transform-on-shape-with-filter-region.png b/tests/ref/resvg/filters/filter/transform-on-shape-with-filter-region.png
diff --git a/tests/ref/resvg/filters/filter/with-mask.png b/tests/ref/resvg/filters/filter/with-mask.png
diff --git a/tests/ref/resvg/masking/clip/simple-case.png b/tests/ref/resvg/masking/clip/simple-case.png
diff --git a/tests/ref/resvg/masking/clipPath/circle-shorthand-with-stroke-box.png b/tests/ref/resvg/masking/clipPath/circle-shorthand-with-stroke-box.png
diff --git a/tests/ref/resvg/masking/clipPath/circle-shorthand-with-view-box.png b/tests/ref/resvg/masking/clipPath/circle-shorthand-with-view-box.png
diff --git a/tests/ref/resvg/masking/clipPath/circle-shorthand.png b/tests/ref/resvg/masking/clipPath/circle-shorthand.png
diff --git a/tests/ref/resvg/masking/clipPath/on-the-root-svg-without-size.png b/tests/ref/resvg/masking/clipPath/on-the-root-svg-without-size.png
diff --git a/tests/ref/resvg/masking/mask/color-interpolation=linearRGB.png b/tests/ref/resvg/masking/mask/color-interpolation=linearRGB.png
diff --git a/tests/ref/resvg/masking/mask/mask-type-in-style.png b/tests/ref/resvg/masking/mask/mask-type-in-style.png
diff --git a/tests/ref/resvg/paint-servers/linearGradient/invalid-gradientTransform.png b/tests/ref/resvg/paint-servers/linearGradient/invalid-gradientTransform.png
diff --git a/...int-servers/linearGradient/single-stop-with-opacity-used-by-fill-and-stroke.png b/...int-servers/linearGradient/single-stop-with-opacity-used-by-fill-and-stroke.png
diff --git a/tests/ref/resvg/paint-servers/pattern/invalid-patternTransform.png b/tests/ref/resvg/paint-servers/pattern/invalid-patternTransform.png
diff --git a/tests/ref/resvg/paint-servers/pattern/overflow=visible.png b/tests/ref/resvg/paint-servers/pattern/overflow=visible.png
diff --git a/tests/ref/resvg/paint-servers/radialGradient/invalid-gradientTransform.png b/tests/ref/resvg/paint-servers/radialGradient/invalid-gradientTransform.png
diff --git a/tests/ref/resvg/paint-servers/radialGradient/negative-r.png b/tests/ref/resvg/paint-servers/radialGradient/negative-r.png
diff --git a/tests/ref/resvg/paint-servers/stop/equal-stop-color.png b/tests/ref/resvg/paint-servers/stop/equal-stop-color.png
diff --git a/tests/ref/resvg/paint-servers/stop/hsla-color.png b/tests/ref/resvg/paint-servers/stop/hsla-color.png
diff --git a/tests/ref/resvg/painting/fill/#RGBA.png b/tests/ref/resvg/painting/fill/#RGBA.png
diff --git a/tests/ref/resvg/painting/fill/#RRGGBBAA.png b/tests/ref/resvg/painting/fill/#RRGGBBAA.png
diff --git a/tests/ref/resvg/painting/fill/icc-color.png b/tests/ref/resvg/painting/fill/icc-color.png
diff --git a/tests/ref/resvg/painting/fill/rgb-int-int-int.png b/tests/ref/resvg/painting/fill/rgb-int-int-int.png
diff --git a/tests/ref/resvg/painting/fill/rgba-0-127-0-50percent.png b/tests/ref/resvg/painting/fill/rgba-0-127-0-50percent.png
diff --git a/tests/ref/resvg/painting/fill/valid-FuncIRI-with-a-fallback-ICC-color.png b/tests/ref/resvg/painting/fill/valid-FuncIRI-with-a-fallback-ICC-color.png
diff --git a/tests/ref/resvg/painting/image-rendering/on-feImage.png b/tests/ref/resvg/painting/image-rendering/on-feImage.png
diff --git a/tests/ref/resvg/painting/marker/on-ArcTo.png b/tests/ref/resvg/painting/marker/on-ArcTo.png
diff --git a/tests/ref/resvg/painting/marker/target-with-subpaths-2.png b/tests/ref/resvg/painting/marker/target-with-subpaths-2.png
diff --git a/tests/ref/resvg/painting/marker/with-viewBox-1.png b/tests/ref/resvg/painting/marker/with-viewBox-1.png
diff --git a/tests/ref/resvg/painting/mix-blend-mode/color-dodge.png b/tests/ref/resvg/painting/mix-blend-mode/color-dodge.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/0-n-with-butt-caps.png b/tests/ref/resvg/painting/stroke-dasharray/0-n-with-butt-caps.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/0-n-with-round-caps.png b/tests/ref/resvg/painting/stroke-dasharray/0-n-with-round-caps.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/0-n-with-square-caps.png b/tests/ref/resvg/painting/stroke-dasharray/0-n-with-square-caps.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/em-units.png b/tests/ref/resvg/painting/stroke-dasharray/em-units.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/even-count.png b/tests/ref/resvg/painting/stroke-dasharray/even-count.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/mm-units.png b/tests/ref/resvg/painting/stroke-dasharray/mm-units.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/negative-sum.png b/tests/ref/resvg/painting/stroke-dasharray/negative-sum.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/negative-values.png b/tests/ref/resvg/painting/stroke-dasharray/negative-values.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/odd-count.png b/tests/ref/resvg/painting/stroke-dasharray/odd-count.png
diff --git a/tests/ref/resvg/painting/stroke-dasharray/percent-units.png b/tests/ref/resvg/painting/stroke-dasharray/percent-units.png
diff --git a/tests/ref/resvg/painting/stroke-dashoffset/em-units.png b/tests/ref/resvg/painting/stroke-dashoffset/em-units.png
diff --git a/tests/ref/resvg/painting/stroke-dashoffset/mm-units.png b/tests/ref/resvg/painting/stroke-dashoffset/mm-units.png
diff --git a/tests/ref/resvg/painting/stroke-dashoffset/percent-units.png b/tests/ref/resvg/painting/stroke-dashoffset/percent-units.png
diff --git a/tests/ref/resvg/painting/stroke-dashoffset/px-units.png b/tests/ref/resvg/painting/stroke-dashoffset/px-units.png
diff --git a/tests/ref/resvg/painting/stroke-linecap/zero-length-path-with-butt.png b/tests/ref/resvg/painting/stroke-linecap/zero-length-path-with-butt.png
diff --git a/tests/ref/resvg/painting/stroke-linejoin/arcs.png b/tests/ref/resvg/painting/stroke-linejoin/arcs.png
diff --git a/tests/ref/resvg/painting/stroke-width/negative.png b/tests/ref/resvg/painting/stroke-width/negative.png
diff --git a/tests/ref/resvg/shapes/rect/cap-values.png b/tests/ref/resvg/shapes/rect/cap-values.png
diff --git a/tests/ref/resvg/shapes/rect/ch-values.png b/tests/ref/resvg/shapes/rect/ch-values.png
diff --git a/tests/ref/resvg/shapes/rect/ic-values.png b/tests/ref/resvg/shapes/rect/ic-values.png
diff --git a/tests/ref/resvg/shapes/rect/lh-values.png b/tests/ref/resvg/shapes/rect/lh-values.png
diff --git a/tests/ref/resvg/shapes/rect/q-values.png b/tests/ref/resvg/shapes/rect/q-values.png
diff --git a/tests/ref/resvg/shapes/rect/rem-values.png b/tests/ref/resvg/shapes/rect/rem-values.png
diff --git a/tests/ref/resvg/shapes/rect/rlh-values.png b/tests/ref/resvg/shapes/rect/rlh-values.png
diff --git a/tests/ref/resvg/shapes/rect/vi-and-vb-values.png b/tests/ref/resvg/shapes/rect/vi-and-vb-values.png
diff --git a/tests/ref/resvg/shapes/rect/vmin-and-vmax-values.png b/tests/ref/resvg/shapes/rect/vmin-and-vmax-values.png
diff --git a/tests/ref/resvg/shapes/rect/vw-and-vh-values.png b/tests/ref/resvg/shapes/rect/vw-and-vh-values.png
diff --git a/tests/ref/resvg/structure/image/url-to-png.png b/tests/ref/resvg/structure/image/url-to-png.png
diff --git a/tests/ref/resvg/structure/image/url-to-svg.png b/tests/ref/resvg/structure/image/url-to-svg.png
diff --git a/tests/ref/resvg/structure/style/external-CSS.png b/tests/ref/resvg/structure/style/external-CSS.png
diff --git a/tests/ref/resvg/structure/style/important.png b/tests/ref/resvg/structure/style/important.png
diff --git a/tests/ref/resvg/structure/svg/funcIRI-with-quotes.png b/tests/ref/resvg/structure/svg/funcIRI-with-quotes.png
diff --git a/tests/ref/resvg/structure/svg/invalid-id-attribute-1.png b/tests/ref/resvg/structure/svg/invalid-id-attribute-1.png
diff --git a/tests/ref/resvg/structure/svg/invalid-id-attribute-2.png b/tests/ref/resvg/structure/svg/invalid-id-attribute-2.png
diff --git a/tests/ref/resvg/text/alignment-baseline/after-edge.png b/tests/ref/resvg/text/alignment-baseline/after-edge.png
diff --git a/tests/ref/resvg/text/alignment-baseline/baseline.png b/tests/ref/resvg/text/alignment-baseline/baseline.png
diff --git a/tests/ref/resvg/text/alignment-baseline/ideographic.png b/tests/ref/resvg/text/alignment-baseline/ideographic.png
diff --git a/tests/ref/resvg/text/alignment-baseline/text-after-edge.png b/tests/ref/resvg/text/alignment-baseline/text-after-edge.png
diff --git a/tests/ref/resvg/text/dominant-baseline/reset-size.png b/tests/ref/resvg/text/dominant-baseline/reset-size.png
diff --git a/tests/ref/resvg/text/font-family/double-quoted.png b/tests/ref/resvg/text/font-family/double-quoted.png
diff --git a/tests/ref/resvg/text/font-family/font-list.png b/tests/ref/resvg/text/font-family/font-list.png
diff --git a/tests/ref/resvg/text/font-kerning/as-property.png b/tests/ref/resvg/text/font-kerning/as-property.png
diff --git a/tests/ref/resvg/text/font-size-adjust/simple-case.png b/tests/ref/resvg/text/font-size-adjust/simple-case.png
diff --git a/tests/ref/resvg/text/font-size/named-value.png b/tests/ref/resvg/text/font-size/named-value.png
diff --git a/tests/ref/resvg/text/font-size/negative-size.png b/tests/ref/resvg/text/font-size/negative-size.png
diff --git a/tests/ref/resvg/text/font-stretch/extra-condensed.png b/tests/ref/resvg/text/font-stretch/extra-condensed.png
diff --git a/tests/ref/resvg/text/font-stretch/inherit.png b/tests/ref/resvg/text/font-stretch/inherit.png
diff --git a/tests/ref/resvg/text/font-stretch/narrower.png b/tests/ref/resvg/text/font-stretch/narrower.png
diff --git a/tests/ref/resvg/text/font-weight/650.png b/tests/ref/resvg/text/font-weight/650.png
diff --git a/tests/ref/resvg/text/glyph-orientation-horizontal/simple-case.png b/tests/ref/resvg/text/glyph-orientation-horizontal/simple-case.png
diff --git a/tests/ref/resvg/text/glyph-orientation-vertical/simple-case.png b/tests/ref/resvg/text/glyph-orientation-vertical/simple-case.png
diff --git a/tests/ref/resvg/text/kerning/0.png b/tests/ref/resvg/text/kerning/0.png
diff --git a/tests/ref/resvg/text/lengthAdjust/vertical.png b/tests/ref/resvg/text/lengthAdjust/vertical.png
diff --git a/tests/ref/resvg/text/letter-spacing/filter-bbox.png b/tests/ref/resvg/text/letter-spacing/filter-bbox.png
diff --git a/tests/ref/resvg/text/letter-spacing/large-negative.png b/tests/ref/resvg/text/letter-spacing/large-negative.png
diff --git a/tests/ref/resvg/text/text-anchor/coordinates-list.png b/tests/ref/resvg/text/text-anchor/coordinates-list.png
diff --git a/tests/ref/resvg/text/text-decoration/indirect.png b/tests/ref/resvg/text/text-decoration/indirect.png
diff --git a/tests/ref/resvg/text/text-decoration/style-resolving-4.png b/tests/ref/resvg/text/text-decoration/style-resolving-4.png
diff --git a/tests/ref/resvg/text/text-decoration/underline-with-dy-list-2.png b/tests/ref/resvg/text/text-decoration/underline-with-dy-list-2.png
diff --git a/tests/ref/resvg/text/text-decoration/underline-with-rotate-list-4.png b/tests/ref/resvg/text/text-decoration/underline-with-rotate-list-4.png
diff --git a/tests/ref/resvg/text/text-decoration/with-textLength-on-a-single-character.png b/tests/ref/resvg/text/text-decoration/with-textLength-on-a-single-character.png
diff --git a/tests/ref/resvg/text/text-rendering/geometricPrecision.png b/tests/ref/resvg/text/text-rendering/geometricPrecision.png
diff --git a/tests/ref/resvg/text/text/complex-grapheme-split-by-tspan.png b/tests/ref/resvg/text/text/complex-grapheme-split-by-tspan.png
diff --git a/tests/ref/resvg/text/text/complex-graphemes-and-coordinates-list.png b/tests/ref/resvg/text/text/complex-graphemes-and-coordinates-list.png
diff --git a/tests/ref/resvg/text/text/filter-bbox.png b/tests/ref/resvg/text/text/filter-bbox.png
diff --git a/tests/ref/resvg/text/text/real-text-height.png b/tests/ref/resvg/text/text/real-text-height.png
diff --git a/tests/ref/resvg/text/textPath/method=stretch.png b/tests/ref/resvg/text/textPath/method=stretch.png
diff --git a/tests/ref/resvg/text/textPath/side=right.png b/tests/ref/resvg/text/textPath/side=right.png
diff --git a/tests/ref/resvg/text/textPath/spacing=auto.png b/tests/ref/resvg/text/textPath/spacing=auto.png
diff --git a/tests/ref/resvg/text/textPath/with-baseline-shift-and-rotate.png b/tests/ref/resvg/text/textPath/with-baseline-shift-and-rotate.png
diff --git a/tests/ref/resvg/text/textPath/with-filter.png b/tests/ref/resvg/text/textPath/with-filter.png
diff --git a/tests/ref/resvg/text/textPath/with-invalid-path-and-xlink-href.png b/tests/ref/resvg/text/textPath/with-invalid-path-and-xlink-href.png
diff --git a/tests/ref/resvg/text/textPath/with-path-and-xlink-href.png b/tests/ref/resvg/text/textPath/with-path-and-xlink-href.png
diff --git a/tests/ref/resvg/text/textPath/with-path.png b/tests/ref/resvg/text/textPath/with-path.png
diff --git a/tests/ref/resvg/text/tref/link-to-an-external-file-element.png b/tests/ref/resvg/text/tref/link-to-an-external-file-element.png
diff --git a/tests/ref/resvg/text/tspan/tspan-bbox-1.png b/tests/ref/resvg/text/tspan/tspan-bbox-1.png
diff --git a/tests/ref/resvg/text/tspan/tspan-bbox-2.png b/tests/ref/resvg/text/tspan/tspan-bbox-2.png
diff --git a/tests/ref/resvg/text/tspan/with-clip-path.png b/tests/ref/resvg/text/tspan/with-clip-path.png
diff --git a/tests/ref/resvg/text/tspan/with-filter.png b/tests/ref/resvg/text/tspan/with-filter.png
diff --git a/tests/ref/resvg/text/tspan/with-mask.png b/tests/ref/resvg/text/tspan/with-mask.png
diff --git a/tests/ref/resvg/text/tspan/with-opacity.png b/tests/ref/resvg/text/tspan/with-opacity.png
diff --git a/tests/ref/resvg/text/word-spacing/large-negative.png b/tests/ref/resvg/text/word-spacing/large-negative.png
diff --git a/tests/ref/resvg/text/writing-mode/tb-and-punctuation.png b/tests/ref/resvg/text/writing-mode/tb-and-punctuation.png
diff --git a/tests/ref/resvg/text/writing-mode/vertical-lr.png b/tests/ref/resvg/text/writing-mode/vertical-lr.png
diff --git a/tests/ref/resvg/text/writing-mode/vertical-rl.png b/tests/ref/resvg/text/writing-mode/vertical-rl.png
diff --git a/tests/scripts/gen-tests.py b/tests/scripts/gen-tests.py
@@ -1,11 +1,124 @@
 #!/usr/bin/env python3
 import argparse
+import shutil
 
 from common import SVG_DIR, ROOT, TestFile
 from pathlib import Path
 
 OUT_PATH = ROOT / "src" / "test.rs"
 
+NO_RELATIVE_PATHS = "no relative paths supported"
+INVESTIGATE = "need to investigate"
+NO_REFLECT = "spreadMethod reflect not supported"
+NO_REPEAT = "spreadMethod repeat not supported"
+NO_SUPPORT = "not supported in PDF"
+NO_FONT = "font is not part of test suite yet"
+
+IGNORE_TESTS = {
+    # The following test cases still need to be investigated
+    "svg/resvg/filters/fePointLight/primitiveUnits=objectBoundingBox.svg": INVESTIGATE,
+    "svg/resvg/filters/filter/with-mask-on-parent.svg": INVESTIGATE,
+    "svg/resvg/masking/mask/recursive-on-child.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/pattern/nested-objectBoundingBox.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/radialGradient/fr=0.2.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/radialGradient/fr=0.5.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/radialGradient/fr=0.7.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/radialGradient/fr=-1.svg": INVESTIGATE,
+    "svg/resvg/paint-servers/radialGradient/invalid-gradientUnits.svg": INVESTIGATE,
+    "svg/resvg/painting/stroke-dasharray/n-0.svg": INVESTIGATE,
+    "svg/resvg/structure/image/image-with-float-size-scaling.svg": INVESTIGATE,
+    "svg/resvg/structure/svg/funcIRI-parsing.svg": INVESTIGATE,
+    "svg/resvg/structure/svg/funcIRI-with-invalid-characters.svg": INVESTIGATE,
+    "svg/resvg/text/font-weight/bolder-with-clamping.svg": INVESTIGATE,
+    "svg/resvg/text/font-weight/lighter-with-clamping.svg": INVESTIGATE,
+    "svg/resvg/text/font-weight/lighter-without-parent.svg": INVESTIGATE,
+    "svg/resvg/text/letter-spacing/mixed-scripts.svg": INVESTIGATE,
+    "svg/resvg/text/text/compound-emojis.svg": INVESTIGATE,
+    "svg/resvg/text/text/compound-emojis-and-coordinates-list.svg": INVESTIGATE,
+    "svg/resvg/text/text/emojis.svg": INVESTIGATE,
+
+    # The following test cases need to be excluded due to technical reasons
+    "svg/resvg/filters/feMorphology/huge-radius.svg": "will timeout CI",
+    "svg/resvg/filters/filter/huge-region.svg": "will sigkill",
+    "svg/resvg/structure/svg/negative-size.svg": "invalid size",
+    "svg/resvg/structure/svg/no-size.svg": "invalid size",
+    "svg/resvg/structure/svg/zero-size.svg": "invalid size",
+    "svg/resvg/structure/svg/not-UTF-8-encoding.svg": "invalid encoding",
+    "svg/resvg/filters/feImage/simple-case.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/painting/marker/with-an-image-child.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/painting/mix-blend-mode/color-dodge.svg": "pdfium bug",
+    "svg/resvg/painting/stroke-linecap/zero-length-path-with-round.svg": NO_SUPPORT,
+    "svg/resvg/painting/stroke-linecap/zero-length-path-with-square.svg": NO_SUPPORT,
+    "svg/resvg/painting/stroke-linejoin/miter-clip.svg": NO_SUPPORT,
+    "svg/resvg/structure/image/external-gif.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/external-jpeg.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/external-png.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/external-svg.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/external-svg-with-transform.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/external-svgz.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/float-size.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-height.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-height-on-svg.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-width.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-width-on-svg.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-width-and-height.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/no-width-and-height-on-svg.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/raster-image-and-size-with-odd-numbers.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/recursive-1.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/recursive-2.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/width-and-height-set-to-auto.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/zero-height.svg": NO_RELATIVE_PATHS,
+    "svg/resvg/structure/image/zero-width.svg": NO_RELATIVE_PATHS,
+
+    # The following test cases are not implemented in svg2pdf yet
+    "svg/resvg/paint-servers/linearGradient/attributes-via-xlink-href-complex-order.svg": NO_REFLECT,
+    "svg/resvg/paint-servers/linearGradient/attributes-via-xlink-href-from-radialGradient.svg": NO_REFLECT,
+    "svg/resvg/paint-servers/linearGradient/spreadMethod=reflect.svg": NO_REFLECT,
+    "svg/resvg/paint-servers/linearGradient/spreadMethod=repeat.svg": NO_REPEAT,
+    "svg/resvg/paint-servers/radialGradient/attributes-via-xlink-href-complex-order.svg":NO_REFLECT,
+    "svg/resvg/paint-servers/radialGradient/attributes-via-xlink-href-from-linearGradient.svg": NO_REFLECT,
+    "svg/resvg/paint-servers/radialGradient/spreadMethod=reflect.svg": NO_REFLECT,
+    "svg/resvg/paint-servers/radialGradient/spreadMethod=repeat.svg": NO_REPEAT,
+
+    # The following test cases don't work yet because we are not including
+    # all necessary fonts.
+    "svg/resvg/text/alignment-baseline/hanging-on-vertical.svg": NO_FONT,
+    "svg/resvg/text/direction/rtl.svg": NO_FONT,
+    "svg/resvg/text/direction/rtl-with-vertical-writing-mode.svg": NO_FONT,
+    "svg/resvg/text/dominant-baseline/hanging.svg": NO_FONT,
+    "svg/resvg/text/dominant-baseline/use-script.svg": NO_FONT,
+    "svg/resvg/text/font/simple-case.svg": NO_FONT,
+    "svg/resvg/text/font-family/bold-sans-serif.svg": NO_FONT,
+    "svg/resvg/text/font-family/cursive.svg": NO_FONT,
+    "svg/resvg/text/font-family/fallback-1.svg": NO_FONT,
+    "svg/resvg/text/font-family/fantasy.svg": NO_FONT,
+    "svg/resvg/text/font-family/monospace.svg": NO_FONT,
+    "svg/resvg/text/font-family/sans-serif.svg": NO_FONT,
+    "svg/resvg/text/font-family/serif.svg": NO_FONT,
+    "svg/resvg/text/font-family/source-sans-pro.svg": NO_FONT,
+    "svg/resvg/text/font-kerning/arabic-script.svg": NO_FONT,
+    "svg/resvg/text/letter-spacing/non-ASCII-character.svg": NO_FONT,
+    "svg/resvg/text/letter-spacing/on-Arabic.svg": NO_FONT,
+    "svg/resvg/text/text/bidi-reordering.svg": NO_FONT,
+    "svg/resvg/text/text/fill-rule=evenodd.svg": NO_FONT,
+    "svg/resvg/text/text/rotate-on-Arabic.svg": NO_FONT,
+    "svg/resvg/text/text/x-and-y-with-multiple-values-and-arabic-text.svg": NO_FONT,
+    "svg/resvg/text/text/xml-lang=ja.svg": NO_FONT,
+    "svg/resvg/text/text-anchor/on-tspan-with-arabic.svg": NO_FONT,
+    "svg/resvg/text/textLength/arabic.svg": NO_FONT,
+    "svg/resvg/text/textLength/arabic-with-lengthAdjust.svg": NO_FONT,
+    "svg/resvg/text/textPath/complex.svg": NO_FONT,
+    "svg/resvg/text/textPath/writing-mode=tb.svg": NO_FONT,
+    "svg/resvg/text/tspan/bidi-reordering.svg": NO_FONT,
+    "svg/resvg/text/unicode-bidi/bidi-override.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/arabic-with-rl.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/japanese-with-tb.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/mixed-languages-with-tb.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/mixed-languages-with-tb-and-underline.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/tb-and-punctuation.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/tb-with-rotate.svg": NO_FONT,
+    "svg/resvg/text/writing-mode/tb-with-rotate-and-underline.svg": NO_FONT,
+}
 
 def main():
     parser = argparse.ArgumentParser(
@@ -33,7 +146,11 @@ def main():
                 .replace("#", "")
             )
 
-            if not test_file.has_ref():
+            if str(test_file.svg_path()) in IGNORE_TESTS:
+                test_string += f"// {IGNORE_TESTS[str(test_file.svg_path())]}\n"
+                test_string += "#[ignore] "
+            elif not test_file.has_ref():
+                test_string += f"// unknown reason\n"
                 test_string += "#[ignore] "
 
             test_string += "#[test] "

diff --git a/tests/scripts/sync-tests.py b/tests/scripts/sync-tests.py
@@ -7,26 +7,30 @@
 SVG2PDF_SVG_DIR = Path("../svg/resvg")
 SVG2PDF_REF_DIR = Path("../ref/resvg")
 
-resvg_svg_files = set([p.relative_to(RESVG_SVG_DIR) for p in RESVG_SVG_DIR.rglob("*")])
+resvg_svg_files = set([p.relative_to(RESVG_SVG_DIR) for p in RESVG_SVG_DIR.rglob("*") if p.suffix == ".svg"])
 svg2pdf_svg_files = set([p.relative_to(SVG2PDF_SVG_DIR) for p in SVG2PDF_SVG_DIR.rglob("*")])
 svg2pdf_ref_files = set([p.relative_to(SVG2PDF_REF_DIR) for p in SVG2PDF_REF_DIR.rglob("*")])
 
 
 def sync_existing_tests():
     print("Sync tests...")
     for file in resvg_svg_files:
-        if file.is_file() and file.suffix == ".svg":
-            with open(RESVG_SVG_DIR / file, "r", encoding="utf-8") as resvg_file:
-                content = resvg_file.read()
-
-                path = SVG2PDF_SVG_DIR / file
-                print(path)
-                print(path.parent)
-                if not path.parent.exists():
-                    path.parent.mkdir(parents=True, exist_ok=True)
-
-                with open(path, "w+") as svg2pdf_file:
-                    svg2pdf_file.write(content)
+        absolute_path = RESVG_SVG_DIR / file
+        assert absolute_path.is_file()
+
+        if str(file) == "structure/svg/not-UTF-8-encoding.svg":
+            continue
+
+        with open(absolute_path, "r") as resvg_file:
+            content = resvg_file.read()
+
+            path = SVG2PDF_SVG_DIR / file
+            if not path.parent.exists():
+                path.parent.mkdir(parents=True, exist_ok=True)
+
+            with open(path, "w+") as svg2pdf_file:
+                svg2pdf_file.write(content)
+
 
 
 def find_superfluous_tests():

diff --git a/tests/src/lib.rs b/tests/src/lib.rs
@@ -106,9 +106,8 @@ fn is_pix_diff(pixel1: &Rgba<u8>, pixel2: &Rgba<u8>) -> bool {
 
 /// Runs a single test instance.
 pub fn run_test(svg_path: &str, ref_path: &str, diff_path: &str, replace: bool) -> i32 {
-    let expected_image = Reader::open(ref_path).unwrap().decode().unwrap().into_rgba8();
-
     let (_, actual_image) = convert_svg(&fs::read_to_string(svg_path).unwrap());
+    let expected_image = Reader::open(ref_path).unwrap().decode().unwrap().into_rgba8();
 
     let width = max(expected_image.width(), actual_image.width());
     let height = max(expected_image.height(), actual_image.height());