1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/WebCryptoAPI/getRandomValues.any.js b/testing/web-platform/tests/WebCryptoAPI/getRandomValues.any.js
new file mode 100644
index 0000000000..1a3370ea13
--- /dev/null
+++ b/testing/web-platform/tests/WebCryptoAPI/getRandomValues.any.js
@@ -0,0 +1,60 @@
+// Step 1.
+test(function() {
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new Float32Array(6))
+    }, "Float32Array")
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new Float64Array(6))
+    }, "Float64Array")
+
+    assert_throws_dom("TypeMismatchError", function() {
+        const len = 65536 / Float32Array.BYTES_PER_ELEMENT + 1;
+        self.crypto.getRandomValues(new Float32Array(len));
+    }, "Float32Array (too long)")
+    assert_throws_dom("TypeMismatchError", function() {
+        const len = 65536 / Float64Array.BYTES_PER_ELEMENT + 1;
+        self.crypto.getRandomValues(new Float64Array(len))
+    }, "Float64Array (too long)")
+}, "Float arrays");
+
+test(function() {
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new DataView(new ArrayBuffer(6)))
+    }, "DataView")
+
+    assert_throws_dom("TypeMismatchError", function() {
+        self.crypto.getRandomValues(new DataView(new ArrayBuffer(65536 + 1)))
+    }, "DataView (too long)")
+}, "DataView");
+
+const arrays = [
+    'Int8Array',
+    'Int16Array',
+    'Int32Array',
+    'BigInt64Array',
+    'Uint8Array',
+    'Uint8ClampedArray',
+    'Uint16Array',
+    'Uint32Array',
+    'BigUint64Array',
+];
+
+for (const array of arrays) {
+    const ctor = globalThis[array];
+
+    test(function() {
+        assert_equals(self.crypto.getRandomValues(new ctor(8)).constructor,
+                      ctor, "crypto.getRandomValues(new " + array + "(8))")
+    }, "Integer array: " + array);
+
+    test(function() {
+        const maxlength = 65536 / ctor.BYTES_PER_ELEMENT;
+        assert_throws_dom("QuotaExceededError", function() {
+            self.crypto.getRandomValues(new ctor(maxlength + 1))
+        }, "crypto.getRandomValues length over 65536")
+    }, "Large length: " + array);
+
+    test(function() {
+        assert_true(self.crypto.getRandomValues(new ctor(0)).length == 0)
+    }, "Null arrays: " + array);
+}