1 files changed, 54 insertions, 0 deletions
diff --git a/testing/web-platform/tests/web-share/share-empty.https.html b/testing/web-platform/tests/web-share/share-empty.https.html
new file mode 100644
index 0000000000..0bca2f2960
--- /dev/null
+++ b/testing/web-platform/tests/web-share/share-empty.https.html
@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>WebShare Test: Share no known fields</title>
+    <link rel="help" href="https://w3c.github.io/web-share/#share-method">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="/resources/testdriver.js"></script>
+    <script src="/resources/testdriver-vendor.js"></script>
+  </head>
+  <body>
+    <script>
+      promise_test(async t => {
+        await test_driver.bless("web share", () => {
+          return promise_rejects_js(t, TypeError, navigator.share());
+        });
+      }, "share with no arguments (same as empty dictionary)");
+
+      promise_test(async t => {
+        await test_driver.bless("web share", () => {
+          return promise_rejects_js(t, TypeError, navigator.share({}));
+        });
+      }, "share with an empty dictionary");
+
+      promise_test(async t => {
+        await test_driver.bless("web share", () => {
+          return promise_rejects_js(t, TypeError, navigator.share(undefined));
+        });
+      }, "share with a undefined argument (same as empty dictionary)");
+
+      promise_test(async t => {
+        await test_driver.bless("web share", () => {
+          return promise_rejects_js(t, TypeError, navigator.share(null));
+        });
+      }, "share with a null argument (same as empty dictionary)");
+
+      promise_test(async t => {
+        await test_driver.bless("web share", () => {
+          return promise_rejects_js(
+            t,
+            TypeError,
+            navigator.share({ unused: "unexpected field" })
+          );
+        });
+      }, "share with a dictionary containing only surplus fields");
+
+      promise_test(async t => {
+        await test_driver.bless("web share");
+        await promise_rejects_js(t, TypeError, navigator.share({ files: [] }));
+      }, "share with an empty files member")
+    </script>
+  </body>
+</html>