1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-layout-api/intrinsic-sizes/child-replaced-percentage-01.https.html b/testing/web-platform/tests/css/css-layout-api/intrinsic-sizes/child-replaced-percentage-01.https.html
new file mode 100644
index 0000000000..058428601d
--- /dev/null
+++ b/testing/web-platform/tests/css/css-layout-api/intrinsic-sizes/child-replaced-percentage-01.https.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#intrinsic-sizes">
+<link rel="match" href="child-replaced-percentage-ref.html">
+<meta name="assert" content="This test checks that intrinsicSizes is calculated correctly for a replaced child element with a percentage height." />
+<style>
+.test {
+  background: red;
+  height: 50px;
+  width: min-content;
+}
+
+@supports (display: layout(parent)) {
+  .test {
+    display: layout(parent);
+    background: green;
+  }
+}
+</style>
+<script src="/common/reftest-wait.js"></script>
+<script src="/common/worklet-reftest.js"></script>
+
+<div class="test">
+  <canvas width=100 height=100 style="height: 100%;"></canvas>
+</div>
+
+<script id="code" type="text/worklet">
+registerLayout('parent', class {
+  async intrinsicSizes(children, edges, styleMap) {
+    const childrenSizes = await Promise.all(children.map((child) => {
+        return child.intrinsicSizes();
+    }));
+
+    if (childrenSizes[0].minContentSize == 50 &&
+        childrenSizes[0].maxContentSize == 50) {
+      return { maxContentSize: 100, minContentSize: 50 };
+    }
+    return { maxContentSize: 0, minContentSize: 0 };
+  }
+  async layout() {}
+});
+</script>
+
+<script>
+importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
+</script>
+</html>