1 files changed, 65 insertions, 0 deletions
diff --git a/testing/web-platform/tests/XMLHttpRequest/formdata-delete.htm b/testing/web-platform/tests/XMLHttpRequest/formdata-delete.htm
new file mode 100644
index 000000000..283b44b5a
--- /dev/null
+++ b/testing/web-platform/tests/XMLHttpRequest/formdata-delete.htm
@@ -0,0 +1,65 @@
+<!doctype html>
+<html lang=en>
+<meta charset=utf-8>
+<title>FormData: delete</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-get" />
+    <link rel="help" href="https://xhr.spec.whatwg.org/#dom-formdata-getall" />
+<div id="log"></div>
+<form id="form1">
+    <input type="hidden" name="key" value="value1">
+    <input type="hidden" name="key" value="value2">
+</form>
+<form id="form2">
+    <input type="hidden" name="key1" value="value1">
+    <input type="hidden" name="key2" value="value2">
+</form>
+<form id="empty-form" />
+<script>
+    test(function() {
+        var fd = create_formdata(['key', 'value1'], ['key', 'value2']);
+        fd.delete('key');
+        assert_equals(fd.get('key'), null);
+    }, 'testFormDataDelete');
+    test(function() {
+        var fd = new FormData(document.getElementById('form1'));
+        fd.delete('key');
+        assert_equals(fd.get('key'), null);
+    }, 'testFormDataDeleteFromForm');
+    test(function() {
+        var fd = new FormData(document.getElementById('form1'));
+        fd.delete('nil');
+        assert_equals(fd.get('key'), 'value1');
+    }, 'testFormDataDeleteFromFormNonExistentKey');
+    test(function() {
+        var fd = new FormData(document.getElementById('form2'));
+        fd.delete('key1');
+        assert_equals(fd.get('key1'), null);
+        assert_equals(fd.get('key2'), 'value2');
+    }, 'testFormDataDeleteFromFormOtherKey');
+    test(function() {
+        var fd = new FormData(document.getElementById('empty-form'));
+        fd.delete('key');
+        assert_equals(fd.get('key'), null);
+    }, 'testFormDataDeleteFromEmptyForm');
+    test(function() {
+        var fd = create_formdata(['key', 'value1'], ['key', 'value2']);
+        fd.delete('nil');
+        assert_equals(fd.get('key'), 'value1');
+    }, 'testFormDataDeleteNonExistentKey');
+    test(function() {
+        var fd = create_formdata(['key1', 'value1'], ['key2', 'value2']);
+        fd.delete('key1');
+        assert_equals(fd.get('key1'), null);
+        assert_equals(fd.get('key2'), 'value2');
+    }, 'testFormDataDeleteOtherKey');
+
+    function create_formdata() {
+        var fd = new FormData();
+        for (var i = 0; i < arguments.length; i++) {
+            fd.append.apply(fd, arguments[i]);
+        };
+        return fd;
+    }
+</script>