forked from mirrors/gecko-dev
33 lines
824 B
JavaScript
33 lines
824 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Check instanceof correctness. See Bug 599940.
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const TEST_URI =
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"data:text/html,<!DOCTYPE html>Test <code>instanceof</code> evaluation";
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add_task(async function () {
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const hud = await openNewTabAndConsole(TEST_URI);
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let message = await executeAndWaitForResultMessage(
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hud,
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"[] instanceof Array",
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"true"
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);
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ok(message, "`instanceof Array` is correct");
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message = await executeAndWaitForResultMessage(
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hud,
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"({}) instanceof Object",
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"true"
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);
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ok(message, "`instanceof Object` is correct");
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message = await executeAndWaitForResultMessage(
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hud,
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"({}) instanceof Array",
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"false"
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);
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ok(message, "`instanceof Array` has expected result");
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});
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