sgauthier
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17 lines
644 B
JavaScript
17 lines
644 B
JavaScript
var test = require('tap').test,
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UnitBezier = require('../');
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test('unit bezier', function(t) {
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var u = new UnitBezier(0, 0, 1, 1);
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t.equal(u.sampleCurveY(1), 1, 'sampleCurveY');
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t.equal(u.sampleCurveX(1), 1, 'sampleCurveX');
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t.equal(u.sampleCurveDerivativeX(0.1), 0.54, 'sampleCurveDerivativeX');
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t.equal(u.solveCurveX(0), 0, 'solveCurveX');
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t.equal(u.solveCurveX(1), 1, 'solveCurveX');
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t.equal(u.solveCurveX(1.25552, 1.e-8), 1, 'solveCurveX');
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t.equal(u.solveCurveX(1, 1e-8), 1, 'solveCurveX');
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t.equal(u.solveCurveX(0.5), 0.5, 'solveCurveX');
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t.equal(u.solve(0.5), 0.5, 'solve');
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t.end();
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});
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