| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>This test checks that assigning null to HTMLInputElement.value behaves |
| correctly; i.e. as if the empty string was assigned.</title> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <link rel="stylesheet" href="../../../resources/testharness.css"> |
| </head> |
| <body> |
| <form style="display: none"> |
| <input id="text-with-default" type="text" value="default"> |
| <input id="text-without-default" type="text"> |
| <input id="hidden" type="hidden" value="value"> |
| </form> |
| <script> |
| |
| test(function () { |
| var input = document.getElementById("text-with-default"); |
| |
| assert_equals(input.value, "default"); |
| assert_equals(input.getAttribute("value"), "default"); |
| |
| input.value = "custom"; |
| |
| assert_equals(input.value, "custom"); |
| assert_equals(input.getAttribute("value"), "default"); |
| |
| input.value = null; |
| |
| assert_equals(input.value, ""); |
| assert_true(input.hasAttribute("value")); |
| }, "input[type=text] with value content attribute."); |
| |
| test(function () { |
| var input = document.getElementById("text-without-default"); |
| |
| assert_equals(input.value, ""); |
| assert_false(input.hasAttribute("value")); |
| |
| input.value = null; |
| |
| assert_equals(input.value, ""); |
| assert_false(input.hasAttribute("value")); |
| }, "input[type=text] without value content attribute."); |
| |
| test(function () { |
| var input = document.getElementById("hidden"); |
| |
| assert_equals(input.value, "value"); |
| assert_equals(input.getAttribute("value"), "value"); |
| |
| input.value = null; |
| |
| assert_equals(input.value, ""); |
| assert_true(input.hasAttribute("value")); |
| assert_equals(input.getAttribute("value"), ""); |
| }, "input[type=hidden] with value content attribute."); |
| |
| </script> |
| </body> |
| </html> |
