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66 lines
3.1 KiB
HTML
66 lines
3.1 KiB
HTML
<!DOCTYPE html>
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<title>Event handler invocation order</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<script>
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var objects = [{}, function() {}, new Number(42), new String()];
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var primitives = [42, null, undefined, ""];
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objects.forEach(function(object) {
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var t = async_test("Event handler listeners should be registered when they " +
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"are first set to an object value (" +
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format_value(object) + ").");
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t.step(function() {
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var i = 0;
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var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
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var button = document.createElement('button');
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button.onclick = object; // event handler listener is registered here
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 2) }), false);
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button.setAttribute('onclick', uncalled);
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
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button.onclick = t.step_func(function () { assert_equals(++i, 1); });
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
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button.click()
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assert_equals(button.getAttribute("onclick"), uncalled)
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assert_equals(i, 4);
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t.done()
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});
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});
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primitives.forEach(function(primitive) {
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var t = async_test("Event handler listeners should be registered when they " +
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"are first set to an object value (" +
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format_value(primitive) + ").");
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t.step(function() {
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var i = 0;
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var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
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var button = document.createElement('button');
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button.onclick = primitive;
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 1) }), false);
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button.setAttribute('onclick', uncalled); // event handler listener is registered here
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
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button.onclick = t.step_func(function () { assert_equals(++i, 2); });
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
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button.click()
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assert_equals(button.getAttribute("onclick"), uncalled)
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assert_equals(i, 4);
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t.done()
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});
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});
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var t = async_test("Event handler listeners should be registered when they " +
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"are first set to an object value.");
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t.step(function() {
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var i = 0;
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var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
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var button = document.createElement('button');
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 1) }), false);
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button.setAttribute('onclick', uncalled); // event handler listener is registered here
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
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button.onclick = t.step_func(function () { assert_equals(++i, 2); });
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button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
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button.click()
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assert_equals(button.getAttribute("onclick"), uncalled)
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assert_equals(i, 4);
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t.done()
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});
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</script>
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