1 files changed, 63 insertions, 0 deletions
diff --git a/testing/web-platform/tests/url/urlsearchparams-delete.any.js b/testing/web-platform/tests/url/urlsearchparams-delete.any.js
new file mode 100644
index 0000000000..28ebbce5f1
--- /dev/null
+++ b/testing/web-platform/tests/url/urlsearchparams-delete.any.js
@@ -0,0 +1,63 @@
+test(function() {
+    var params = new URLSearchParams('a=b&c=d');
+    params.delete('a');
+    assert_equals(params + '', 'c=d');
+    params = new URLSearchParams('a=a&b=b&a=a&c=c');
+    params.delete('a');
+    assert_equals(params + '', 'b=b&c=c');
+    params = new URLSearchParams('a=a&=&b=b&c=c');
+    params.delete('');
+    assert_equals(params + '', 'a=a&b=b&c=c');
+    params = new URLSearchParams('a=a&null=null&b=b');
+    params.delete(null);
+    assert_equals(params + '', 'a=a&b=b');
+    params = new URLSearchParams('a=a&undefined=undefined&b=b');
+    params.delete(undefined);
+    assert_equals(params + '', 'a=a&b=b');
+}, 'Delete basics');
+
+test(function() {
+    var params = new URLSearchParams();
+    params.append('first', 1);
+    assert_true(params.has('first'), 'Search params object has name "first"');
+    assert_equals(params.get('first'), '1', 'Search params object has name "first" with value "1"');
+    params.delete('first');
+    assert_false(params.has('first'), 'Search params object has no "first" name');
+    params.append('first', 1);
+    params.append('first', 10);
+    params.delete('first');
+    assert_false(params.has('first'), 'Search params object has no "first" name');
+}, 'Deleting appended multiple');
+
+test(function() {
+    var url = new URL('http://example.com/?param1&param2');
+    url.searchParams.delete('param1');
+    url.searchParams.delete('param2');
+    assert_equals(url.href, 'http://example.com/', 'url.href does not have ?');
+    assert_equals(url.search, '', 'url.search does not have ?');
+}, 'Deleting all params removes ? from URL');
+
+test(function() {
+    var url = new URL('http://example.com/?');
+    url.searchParams.delete('param1');
+    assert_equals(url.href, 'http://example.com/', 'url.href does not have ?');
+    assert_equals(url.search, '', 'url.search does not have ?');
+}, 'Removing non-existent param removes ? from URL');
+
+test(() => {
+  const url = new URL('data:space    ?test');
+  assert_true(url.searchParams.has('test'));
+  url.searchParams.delete('test');
+  assert_false(url.searchParams.has('test'));
+  assert_equals(url.search, '');
+  assert_equals(url.pathname, 'space');
+  assert_equals(url.href, 'data:space');
+}, 'Changing the query of a URL with an opaque path can impact the path');
+
+test(() => {
+  const url = new URL('data:space    ?test#test');
+  url.searchParams.delete('test');
+  assert_equals(url.search, '');
+  assert_equals(url.pathname, 'space    ');
+  assert_equals(url.href, 'data:space    #test');
+}, 'Changing the query of a URL with an opaque path can impact the path if the URL has no fragment');