92 lines
2.6 KiB
JavaScript
92 lines
2.6 KiB
JavaScript
import expect from 'expect'
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import {
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checkPinned,
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computeInsertions,
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} from '../../src/util/toPiecewiseBezier'
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describe('Spline conversion to piecewise bezier', () => {
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it('checks that the spline is pinned', () => {
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expect(
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checkPinned(
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4,
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[0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1],
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),
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)
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expect(() => {
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checkPinned(4, [0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1])
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,0.2,0.4,0.6000000000000001,0.8,1,1,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 1, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,1,0,0,0.2,0.4,0.6000000000000001,0.8,1,1,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 1, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,1,0,0.2,0.4,0.6000000000000001,0.8,1,1,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 0, 1, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,1,0.2,0.4,0.6000000000000001,0.8,1,1,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 0.9, 1, 1, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,0,0.2,0.4,0.6000000000000001,0.8,0.9,1,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 0.9, 1, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,0,0.2,0.4,0.6000000000000001,0.8,1,0.9,1,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 0.9, 1],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,0,0.2,0.4,0.6000000000000001,0.8,1,1,0.9,1$/,
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)
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expect(() => {
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checkPinned(
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4,
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[0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 0.9],
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)
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}).toThrow(
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/^not pinned. order: 4 knots: 0,0,0,0,0.2,0.4,0.6000000000000001,0.8,1,1,1,0.9$/,
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)
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})
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it('computes the knots to be inserted for a piecewise bezier', () => {
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expect(computeInsertions(4, [0, 0, 0, 0, 1, 2, 2, 2, 2])).toEqual([1, 1])
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expect(computeInsertions(4, [0, 0, 0, 0, 0.5, 2, 2, 2, 2])).toEqual([
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0.5, 0.5,
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])
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expect(
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computeInsertions(4, [0, 0, 0, 0, 0.5, 0.5, 0.5, 2, 2, 2, 2]),
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).toEqual([])
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expect(computeInsertions(3, [0, 0, 0, 1, 1, 2, 2, 2])).toEqual([])
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expect(computeInsertions(3, [0, 0, 0, 1, 2, 2, 2])).toEqual([1])
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})
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})
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