1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/send-data-sharedarraybuffer.any.js b/testing/web-platform/tests/xhr/send-data-sharedarraybuffer.any.js
new file mode 100644
index 0000000000..79774c3d30
--- /dev/null
+++ b/testing/web-platform/tests/xhr/send-data-sharedarraybuffer.any.js
@@ -0,0 +1,27 @@
+// META: title=XMLHttpRequest.send(sharedarraybuffer)
+
+test(() => {
+    const xhr = new XMLHttpRequest();
+    // See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
+    const buf = new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer;
+
+    xhr.open("POST", "./resources/content.py", true);
+    assert_throws_js(TypeError, function() {
+        xhr.send(buf)
+    });
+}, "sending a SharedArrayBuffer");
+
+["Int8Array", "Uint8Array", "Uint8ClampedArray", "Int16Array", "Uint16Array",
+ "Int32Array", "Uint32Array", "BigInt64Array", "BigUint64Array",
+ "Float32Array", "Float64Array", "DataView"].forEach((type) => {
+    test(() => {
+        const xhr = new XMLHttpRequest();
+        // See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
+        const arr = new self[type](new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer);
+
+        xhr.open("POST", "./resources/content.py", true);
+        assert_throws_js(TypeError, function() {
+            xhr.send(arr)
+        });
+    }, `sending a ${type} backed by a SharedArrayBuffer`);
+});