tests. Behaviour of transform-box: stroke-box with vector-effect: non-scaling-stroke.
Differential Revision: https://phabricator.services.mozilla.com/D194764
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1864396
gecko-commit: a162f6ee0eef32a68c73ddb77aa04efda3afeb7c
gecko-reviewers: longsonr
diff --git a/css/css-transforms/transform-box/svgbox-stroke-box-003.html b/css/css-transforms/transform-box/svgbox-stroke-box-003.html
new file mode 100644
index 0000000..f132eb4
--- /dev/null
+++ b/css/css-transforms/transform-box/svgbox-stroke-box-003.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<title>transform-box: stroke-box, stroke with vector-effect: non-scaling-stroke</title>
+<link rel="author" title="Jonathan Watt" href="mailto:jwatt@jwatt.org">
+<link rel="match" href="reference/svgbox-rect-ref.html">
+<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#transform-box">
+<link rel="help" href="https://svgwg.org/svg2-draft/coords.html#VectorEffects">
+<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/9640">
+<meta name="assert" content="The used value of transform-box is fill-box on SVG with non-scaling-stroke"/>
+<style>
+#target {
+ fill: green;
+ stroke: black;
+ stroke-width: 20;
+ vector-effect: non-scaling-stroke;
+ transform-box: stroke-box;
+ transform: scale(0.5) translateY(-100%);
+}
+</style>
+<svg width="400" height="300">
+ <rect id="target" width="100" height="200" x="50" y="180"/>
+</svg>
diff --git a/css/css-transforms/transform-box/svgbox-stroke-box-004.html b/css/css-transforms/transform-box/svgbox-stroke-box-004.html
new file mode 100644
index 0000000..0046295
--- /dev/null
+++ b/css/css-transforms/transform-box/svgbox-stroke-box-004.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<title>transform-box: border-box, stroke with vector-effect: non-scaling-stroke</title>
+<link rel="author" title="Jonathan Watt" href="mailto:jwatt@jwatt.org">
+<link rel="match" href="reference/svgbox-rect-ref.html">
+<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#transform-box">
+<link rel="help" href="https://svgwg.org/svg2-draft/coords.html#VectorEffects">
+<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/9640">
+<meta name="assert" content="The used value of transform-box is fill-box on SVG with non-scaling-stroke"/>
+<style>
+#target {
+ fill: green;
+ stroke: black;
+ stroke-width: 20;
+ vector-effect: non-scaling-stroke;
+ transform-box: border-box;
+ transform: scale(0.5) translateY(-100%);
+}
+</style>
+<svg width="400" height="300">
+ <rect id="target" width="100" height="200" x="50" y="180"/>
+</svg>
