import {describe, it, assert} from 'vitest';
import {PlainTime} from '@/';

describe('PlainTime.from', () => {
  it('parses', () => {
    assert.ok(PlainTime.from('12:34:56').equals(new PlainTime(12, 34, 56)));
    assert.ok(PlainTime.from('12:34:56.1').equals(new PlainTime(12, 34, 56, 100)));
    assert.ok(PlainTime.from('12:34:56.12').equals(new PlainTime(12, 34, 56, 120)));
    assert.ok(PlainTime.from('12:34:56.123').equals(new PlainTime(12, 34, 56, 123)));
    assert.ok(PlainTime.from('12:34:56.1234').equals(new PlainTime(12, 34, 56, 123)), 'truncates excess');
  });

  it('always constrain leap second', () => {
    assert.ok(PlainTime.from('12:34:60').equals(new PlainTime(12, 34, 59)));
    assert.ok(PlainTime.from('12:34:60', {overflow: 'reject'}).equals(new PlainTime(12, 34, 59)));
  });

  it('rejects overflow', () => {
    assert.throws(() => {
      PlainTime.from('12:34:61', {overflow: 'reject'});
    });
    assert.throws(() => {
      PlainTime.from('12:60:56.1', {overflow: 'reject'});
    });
    assert.throws(() => {
      PlainTime.from('24:34:56.12', {overflow: 'reject'});
    });
  });
});