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Diffstat (limited to 'src/physics/electricField.test.ts')
| -rw-r--r-- | src/physics/electricField.test.ts | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/src/physics/electricField.test.ts b/src/physics/electricField.test.ts deleted file mode 100644 index 2e01309..0000000 --- a/src/physics/electricField.test.ts +++ /dev/null @@ -1,21 +0,0 @@ -import { describe, expect, it } from 'vitest'; -import { electricField, COULOMB_CONSTANT } from './electricField'; - -describe('Coulomb electric field', () => { - it('points away from a positive charge with inverse-square magnitude', () => { - const field = electricField({ x: 2, y: 0, z: 0 }, [{ x: 0, y: 0, z: 0, coulombs: 1e-9 }]); - expect(field.x).toBeCloseTo(COULOMB_CONSTANT * 1e-9 / 4); - expect(field.y).toBe(0); - expect(field.z).toBe(0); - }); - it('superposes opposite charges in the same direction at the midpoint', () => { - const field = electricField({ x: 0, y: 0, z: 0 }, [ - { x: -1, y: 0, z: 0, coulombs: 1e-9 }, - { x: 1, y: 0, z: 0, coulombs: -1e-9 }, - ]); - expect(field.x).toBeCloseTo(2 * COULOMB_CONSTANT * 1e-9); - }); - it('omits singular samples within the visualization exclusion radius', () => { - expect(electricField({ x: 0, y: 0, z: 0 }, [{ x: 0, y: 0, z: 0, coulombs: 1e-9 }])).toEqual({ x: 0, y: 0, z: 0 }); - }); -}); |