Bug 1823464 - [wdspec] Improve serialization tests for DOMTokenList. …

…r=webdriver-reviewers,jdescottes

Depends on D173068

Differential Revision: https://phabricator.services.mozilla.com/D173069

testing/web-platform/tests/webdriver/tests/execute_async_script/collections.py

@@ -23,6 +23,17 @@ def test_array(session):
     assert_success(response, [1, 2])
 
 
+def test_dom_token_list(session, inline):
+    session.url = inline("""<div class="no cheese">foo</div>""")
+    element = session.find.css("div", all=False)
+
+    response = execute_async_script(
+        session, "arguments[1](arguments[0].classList)", args=[element])
+    value = assert_success(response)
+
+    assert value == ["no", "cheese"]
+
+
 def test_file_list(session, tmpdir, inline):
     files = [tmpdir.join("foo.txt"), tmpdir.join("bar.txt")]
 

testing/web-platform/tests/webdriver/tests/execute_script/collections.py

@@ -19,6 +19,16 @@ def test_array(session):
     assert_success(response, [1, 2])
 
 
+def test_dom_token_list(session, inline):
+    session.url = inline("""<div class="no cheese">foo</div>""")
+    element = session.find.css("div", all=False)
+
+    response = execute_script(session, "return arguments[0].classList", args=[element])
+    value = assert_success(response)
+
+    assert value == ["no", "cheese"]
+
+
 def test_file_list(session, tmpdir, inline):
     files = [tmpdir.join("foo.txt"), tmpdir.join("bar.txt")]
 

testing/web-platform/tests/webdriver/tests/get_element_property/get.py

@@ -137,6 +137,16 @@ def test_primitives(session, inline, js_primitive, py_primitive):
     assert_success(response, py_primitive)
 
 
+def test_collection_dom_token_list(session, inline):
+    session.url = inline("""<div class="no cheese">""")
+    element = session.find.css("div", all=False)
+
+    response = get_element_property(session, element.id, "classList")
+    value = assert_success(response)
+
+    assert value == ["no", "cheese"]
+
+
 @pytest.mark.parametrize("js_primitive,py_primitive", [
     ("\"foobar\"", "foobar"),
     (42, 42),