text: // Copyright (C) 2022 Igalia, S.L. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-temporal.plaindatetime.prototype.tostring
  description: Number for fractionalSecondDigits option
  features: [Temporal]
  ---*/
  
  const fewSeconds = new Temporal.PlainDateTime(1976, 2, 4, 5, 3, 1);
  const zeroSeconds = new Temporal.PlainDateTime(1976, 11, 18, 15, 23);
  const wholeSeconds = new Temporal.PlainDateTime(1976, 11, 18, 15, 23, 30);
  const subSeconds = new Temporal.PlainDateTime(1976, 11, 18, 15, 23, 30, 123, 400);
  
  assert.sameValue(fewSeconds.toString({ fractionalSecondDigits: 0 }), "1976-02-04T05:03:01",
    "pads parts with 0");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 0 }), "1976-11-18T15:23:30",
    "truncates 4 decimal places to 0");
  assert.sameValue(zeroSeconds.toString({ fractionalSecondDigits: 2 }), "1976-11-18T15:23:00.00",
    "pads zero seconds to 2 decimal places");
  assert.sameValue(wholeSeconds.toString({ fractionalSecondDigits: 2 }), "1976-11-18T15:23:30.00",
    "pads whole seconds to 2 decimal places");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 2 }), "1976-11-18T15:23:30.12",
    "truncates 4 decimal places to 2");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 3 }), "1976-11-18T15:23:30.123",
    "truncates 4 decimal places to 3");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 6 }), "1976-11-18T15:23:30.123400",
    "pads 4 decimal places to 6");
  assert.sameValue(zeroSeconds.toString({ fractionalSecondDigits: 7 }), "1976-11-18T15:23:00.0000000",
    "pads zero seconds to 7 decimal places");
  assert.sameValue(wholeSeconds.toString({ fractionalSecondDigits: 7 }), "1976-11-18T15:23:30.0000000",
    "pads whole seconds to 7 decimal places");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 7 }), "1976-11-18T15:23:30.1234000",
    "pads 4 decimal places to 7");
  assert.sameValue(subSeconds.toString({ fractionalSecondDigits: 9 }), "1976-11-18T15:23:30.123400000",
    "pads 4 decimal places to 9");
  