42 lines
1.4 KiB
HTML
42 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel=help href="https://drafts.csswg.org/css-scroll-snap-2/#snapevent-interface">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<script>
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test(function() {
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assert_throws_js(TypeError, function() {
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new SnapEvent();
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}, 'First argument (type) is required, so was expecting a TypeError.');
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}, 'Missing type argument');
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test(function() {
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let event = new SnapEvent("");
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assert_true(event instanceof window.SnapEvent);
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}, "the event is an instance of SnapEvent");
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test(function() {
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let event = new SnapEvent("customsnapevent");
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assert_equals(event.type, "customsnapevent",
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"event constructor type is honored");
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assert_equals(event.snapTargetBlock, null, "null snapTrgetBlock");
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assert_equals(event.snapTargetInline, null, "null snapTargetInline");
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}, "default init dict");
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test(function() {
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const div_element = document.createElement("div");
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let event = new SnapEvent("scrollsnapchange", {
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snapTargetBlock: document,
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snapTargetInline: div_element
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});
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assert_equals(event.type, "scrollsnapchange");
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assert_equals(event.snapTargetBlock, document);
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assert_equals(event.snapTargetInline, div_element);
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}, "event constructor type is honored");
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</script>
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</body>
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</html>
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