| 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."); |