import { expect, test } from 'bun:test'
import { absDegrees } from '../../src/helpers/math'

test('degrees: 0 is valid', () => {
  expect(
    absDegrees(0)
  ).toBe(0)
})

test('degrees: if <= 360 return same number', () => {
  expect(
    absDegrees(1)
  ).toBe(1)

  expect(
    absDegrees(180)
  ).toBe(180)

  expect(
    absDegrees(359)
  ).toBe(359)

  expect(
    absDegrees(360)
  ).toBe(360)
})

test('degrees: if > 360 return equivilent degree within 360', () => {
  expect(
    absDegrees(361)
  ).toBe(1)

  expect(
    absDegrees(540)
  ).toBe(180)

  expect(
    absDegrees(719)
  ).toBe(359)

  expect(
    absDegrees(720)
  ).toBe(360)
})

test('degrees: if < 0 return equivilent degree within 360', () => {
  expect(
    absDegrees(-361)
  ).toBe(1)

  expect(
    absDegrees(-180)
  ).toBe(180)

  expect(
    absDegrees(-540)
  ).toBe(180)

  expect(
    absDegrees(-719)
  ).toBe(359)

  expect(
    absDegrees(-720)
  ).toBe(360)
})