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52 lines
1.8 KiB
HTML
52 lines
1.8 KiB
HTML
<!DOCTYPE HTML>
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<meta charset="UTF-8">
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<title>CSS Toggles: CSSToggle and CSSToggleMap API</title>
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<link rel="author" title="L. David Baron" href="https://dbaron.org/">
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<link rel="author" title="Google" href="http://www.google.com/">
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<link rel="help" href="https://tabatkins.github.io/css-toggle/#csstoggleevent">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support/toggle-helpers.js"></script>
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<div id="test"></div>
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<script>
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let container = document.getElementById("test");
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function click_while_waiting_for_togglechange(event_watcher, element) {
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let p = event_watcher.wait_for("togglechange");
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element.click();
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return p;
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}
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promise_test(async test => {
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container.innerHTML = `
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<div id="element" style="toggle: mytoggle 2 at 1 self sticky"></div>
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`;
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const element = document.getElementById("element");
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await wait_for_toggle_creation(element);
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let toggle = element.toggles.get("mytoggle");
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assert_equals(toggle.value, 1, "initial value of toggle");
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const watcher = new EventWatcher(test, element, [ "togglechange" ]);
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await click_while_waiting_for_togglechange(watcher, element).then(ev => {
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assert_equals(Object.getPrototypeOf(ev), CSSToggleEvent.prototype);
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assert_equals(ev.toggleName, "mytoggle", "event.toggleName after first change");
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assert_equals(ev.toggle, toggle, "event.toggle after first change");
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assert_equals(toggle.value, 2, "value after first change");
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});
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// Test that the event does not fire when the toggle doesn't change due to
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// being "sticky" and stuck. EventWatcher will assert if there is an event.
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element.click();
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assert_equals(toggle.value, 2, "value after second change");
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toggle.value = 0;
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// there should be no event; EventWatcher will assert if there is one.
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}, "basic toggle event firing");
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</script>
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