22 lines
728 B
HTML
22 lines
728 B
HTML
<!DOCTYPE hml>
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<html>
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<body>
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<script src="../../resources/js-test-pre.js"></script>
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<script>
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description("Tests that the 2 first parameters of addEventListener() / removeEventListener() are mandatory.");
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shouldThrow("addEventListener()");
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shouldThrow("addEventListener('load')");
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shouldThrow("removeEventListener()");
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shouldThrow("removeEventListener('load')");
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// The second parameter should be nullable (no exception thrown).
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shouldNotThrow("addEventListener('load', null)");
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shouldNotThrow("addEventListener('load', undefined)");
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shouldNotThrow("removeEventListener('load', null)");
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shouldNotThrow("removeEventListener('load', undefined)");
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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