diff options
Diffstat (limited to 'testing/web-platform/tests/html/webappapis/scripting/events/event-handler-removal.window.js')
-rw-r--r-- | testing/web-platform/tests/html/webappapis/scripting/events/event-handler-removal.window.js | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-removal.window.js b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-removal.window.js new file mode 100644 index 0000000000..a20e2ec1d2 --- /dev/null +++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-removal.window.js @@ -0,0 +1,76 @@ +let firstEventHandler; + +test(t => { + var i = 0; + firstEventHandler = t.unreached_func('First event handler.'); + var uncalled = "firstEventHandler();"; + var button = document.createElement('button'); + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 1) }), false); + button.setAttribute('onclick', uncalled); // event handler is activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 2) }), false); + button.onclick = null; // but de-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 3) }), false); + button.onclick = t.step_func(() => { assert_equals(++i, 4); }); // and re-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 5) }), false); + button.click() + assert_equals(button.getAttribute("onclick"), uncalled) + assert_equals(i, 5); +}, "Event handler set through content attribute should be removed when they are set to null."); + +let happened = 0; +test(() => { + var script = "happened++;"; + var button = document.createElement('button'); + button.setAttribute('onclick', script); // event handler is activated here + button.onclick = null; // but de-activated here + assert_equals(button.getAttribute("onclick"), script) + button.setAttribute('onclick', script); // and re-activated here + button.click() + assert_equals(happened, 1); +}, "Event handler set through content attribute should be re-activated even if content is the same."); + +test(t => { + var i = 0; + firstEventHandler = t.unreached_func('First event handler.'); + var uncalled = "firstEventHandler();"; + var button = document.createElement('button'); + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 1) }), false); + button.setAttribute('onclick', uncalled); // event handler is activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 2) }), false); + button.removeAttribute('onclick'); // but de-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 3) }), false); + button.onclick = t.step_func(() => { assert_equals(++i, 4); }); // and re-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 5) }), false); + button.click() + assert_equals(i, 5); +}, "Event handler set through content attribute should be deactivated when the content attribute is removed."); +test(t => { + var i = 0; + firstEventHandler = t.unreached_func('First event handler.'); + var uncalled = "firstEventHandler();"; + var button = document.createElement('button'); + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 1) }), false); + button.onclick = t.unreached_func('First event handler.'); // event handler is activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 2) }), false); + button.onclick = null; // but de-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 3) }), false); + button.onclick = t.step_func(() => { assert_equals(++i, 4); }); // and re-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 5) }), false); + button.click() + assert_equals(i, 5); +}, "Event handler set through IDL should be deactivated when the IDL attribute is set to null."); +test(t => { + var i = 0; + firstEventHandler = t.unreached_func('First event handler.'); + var uncalled = "firstEventHandler();"; + var button = document.createElement('button'); + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 1) }), false); + button.onclick = t.unreached_func('First event handler.'); // event handler is activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 3) }), false); + button.removeAttribute('onclick'); // and NOT de-activated here + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 4) }), false); + button.onclick = t.step_func(() => { assert_equals(++i, 2); }); + button.addEventListener('click', t.step_func(() => { assert_equals(++i, 5) }), false); + button.click() + assert_equals(i, 5); +}, "Event handler set through IDL should NOT be deactivated when the content attribute is removed."); |