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// Copyright (c) 2023 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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if (typeof globalThis.performance === 'undefined') {
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  throw new Error('performance is not defined');
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}
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if (globalThis.performance.timeOrigin !== 0.0) {
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  throw new Error('performance.timeOrigin is not 0.0');
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}
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if (globalThis.performance.now() !== 0.0) {
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  throw new Error('performance.now() is not 0.0');
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}
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if ('addEventListener' in globalThis.performance) {
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  throw new Error('performance.addEventListener should not be defined');
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}
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// Performance class should not be available.
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if (typeof globalThis.Performance !== 'undefined') {
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  throw new Error('Performance should not be defined');
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}
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export const test = {
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  async test(_ctrl, _env, _ctx) {
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    const start = performance.now();
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    // There should be at least some time elapsed.
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    if (start == 0.0) {
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      throw new Error('performance.now() is 0.0');
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    }
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    await scheduler.wait(500);
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    if (start == performance.now()) {
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      throw new Error('performance.now() is not increasing');
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    }
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  },
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};