53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
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var PF = require('..');
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describe('Utility functions', function () {
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describe('interpolate', function () {
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it('should return the interpolated path', function () {
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PF.Util.interpolate(0, 1, 0, 4).should.eql([
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[0, 1], [0, 2], [0, 3], [0, 4]
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]);
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});
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});
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describe('expandPath', function () {
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it('should return an empty array given an empty array', function () {
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PF.Util.expandPath([]).should.eql([]);
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});
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it('should return the expanded path', function () {
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PF.Util.expandPath([
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[0, 1], [0, 4]
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]).should.eql([
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[0, 1], [0, 2], [0, 3], [0, 4]
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]);
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PF.Util.expandPath([
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[0, 1], [0, 4], [2, 6]
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]).should.eql([
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[0, 1], [0, 2], [0, 3], [0, 4], [1, 5], [2, 6]
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]);
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});
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});
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describe('compressPath', function () {
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it('should return the original path if it is too short to compress', function () {
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PF.Util.compressPath([]).should.eql([]);
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});
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it('should return a compressed path', function () {
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PF.Util.compressPath([
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[0, 1], [0, 2], [0, 3], [0, 4]
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]).should.eql([
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[0, 1], [0, 4]
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]);
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PF.Util.compressPath([
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[0, 1], [0, 2], [0, 3], [0, 4], [1, 5], [2, 6]
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]).should.eql([
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[0, 1], [0, 4], [2, 6]
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]);
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});
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});
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});
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