1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-valid.html b/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-valid.html
new file mode 100644
index 0000000000..1a0e5b82d3
--- /dev/null
+++ b/testing/web-platform/tests/css/css-view-transitions/parsing/pseudo-elements-valid.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Test pseudo elements parsing of valid selectors</title>
+<link rel="author" href="https://github.com/nt1m">
+<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+<script>
+const functionPseudoElements = [
+    "::view-transition-group",
+    "::view-transition-image-pair",
+    "::view-transition-old",
+    "::view-transition-new",
+];
+
+function test_valid_selector_combinations(pseudo) {
+    test_valid_selector(pseudo);
+    test_valid_selector(`:root${pseudo}`);
+    test_valid_selector(`.a${pseudo}`);
+    test_valid_selector(`div ${pseudo}`);
+}
+
+test_valid_selector_combinations("::view-transition");
+
+for (const functionName of functionPseudoElements) {
+    for (const validArgument of ["*", "root", "dashed-ident"]) {
+        test_valid_selector_combinations(`${functionName}(${validArgument})`);
+        test_valid_selector_combinations(`${functionName}(${validArgument}):only-child`);
+    }
+}
+</script>