263 lines
8.5 KiB
JavaScript
263 lines
8.5 KiB
JavaScript
goog.provide('ol.test.parser.polyline');
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describe('ol.parser.polyline', function() {
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var flatPoints, encodedFlatPoints;
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var floats, smallFloats, encodedFloats;
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var signedIntegers, encodedSignedIntegers;
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var unsignedIntegers, encodedUnsignedIntegers;
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function resetTestingData() {
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flatPoints = [38.50000, -120.20000,
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40.70000, -120.95000,
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43.25200, -126.45300];
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encodedFlatPoints = '_p~iF~ps|U_ulLnnqC_mqNvxq`@';
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floats = [0.00, 0.15, -0.01, -0.16, 0.16, 0.01];
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smallFloats = [0.00000, 0.00015, -0.00001, -0.00016, 0.00016, 0.00001];
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encodedFloats = '?]@^_@A';
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signedIntegers = [0, 15, -1, -16, 16, 1];
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encodedSignedIntegers = '?]@^_@A';
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unsignedIntegers = [0, 30, 1, 31, 32, 2, 174];
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encodedUnsignedIntegers = '?]@^_@AmD';
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}
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// Reset testing data
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beforeEach(resetTestingData);
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describe('encodeFlatCoordinates', function() {
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it('returns expected value', function() {
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var encodeFlatCoordinates = ol.parser.polyline.encodeFlatCoordinates;
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(encodeFlatCoordinates(flatPoints)).to.eql(encodedFlatPoints);
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});
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});
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describe('decodeFlatCoordinates', function() {
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it('returns expected value', function() {
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var decodeFlatCoordinates = ol.parser.polyline.decodeFlatCoordinates;
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(decodeFlatCoordinates(encodedFlatPoints)).to.eql(flatPoints);
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});
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});
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describe('encodeDeltas', function() {
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it('returns expected value', function() {
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var encodeDeltas = ol.parser.polyline.encodeDeltas;
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expect(encodeDeltas(flatPoints, 2)).to.eql(encodedFlatPoints);
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});
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});
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describe('decodeDeltas', function() {
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it('returns expected value', function() {
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var decodeDeltas = ol.parser.polyline.decodeDeltas;
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expect(decodeDeltas(encodedFlatPoints, 2)).to.eql(flatPoints);
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});
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});
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describe('encodeFloats', function() {
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it('returns expected value', function() {
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var encodeFloats = ol.parser.polyline.encodeFloats;
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expect(encodeFloats(smallFloats)).to.eql(encodedFloats);
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resetTestingData();
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expect(encodeFloats(smallFloats, 1e5)).to.eql(encodedFloats);
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expect(encodeFloats(floats, 1e2)).to.eql(encodedFloats);
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});
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});
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describe('decodeFloats', function() {
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it('returns expected value', function() {
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var decodeFloats = ol.parser.polyline.decodeFloats;
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expect(decodeFloats(encodedFloats)).to.eql(smallFloats);
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expect(decodeFloats(encodedFloats, 1e5)).to.eql(smallFloats);
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expect(decodeFloats(encodedFloats, 1e2)).to.eql(floats);
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});
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});
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describe('encodeSignedIntegers', function() {
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it('returns expected value', function() {
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var encodeSignedIntegers = ol.parser.polyline.encodeSignedIntegers;
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expect(encodeSignedIntegers(
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signedIntegers)).to.eql(encodedSignedIntegers);
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});
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});
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describe('decodeSignedIntegers', function() {
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it('returns expected value', function() {
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var decodeSignedIntegers = ol.parser.polyline.decodeSignedIntegers;
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expect(decodeSignedIntegers(
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encodedSignedIntegers)).to.eql(signedIntegers);
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});
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});
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describe('encodeUnsignedIntegers', function() {
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it('returns expected value', function() {
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var encodeUnsignedIntegers = ol.parser.polyline.encodeUnsignedIntegers;
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expect(encodeUnsignedIntegers(
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unsignedIntegers)).to.eql(encodedUnsignedIntegers);
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});
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});
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describe('decodeUnsignedIntegers', function() {
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it('returns expected value', function() {
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var decodeUnsignedIntegers = ol.parser.polyline.decodeUnsignedIntegers;
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expect(decodeUnsignedIntegers(
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encodedUnsignedIntegers)).to.eql(unsignedIntegers);
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});
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});
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describe('encodeFloat', function() {
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it('returns expected value', function() {
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var encodeFloat = ol.parser.polyline.encodeFloat;
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expect(encodeFloat(0.00000)).to.eql('?');
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expect(encodeFloat(-0.00001)).to.eql('@');
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expect(encodeFloat(0.00001)).to.eql('A');
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expect(encodeFloat(-0.00002)).to.eql('B');
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expect(encodeFloat(0.00002)).to.eql('C');
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expect(encodeFloat(0.00015)).to.eql(']');
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expect(encodeFloat(-0.00016)).to.eql('^');
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expect(encodeFloat(-0.1, 10)).to.eql('@');
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expect(encodeFloat(0.1, 10)).to.eql('A');
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expect(encodeFloat(16 * 32 / 1e5)).to.eql('__@');
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expect(encodeFloat(16 * 32 * 32 / 1e5)).to.eql('___@');
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(encodeFloat(-179.9832104)).to.eql('`~oia@');
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});
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});
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describe('decodeFloat', function() {
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it('returns expected value', function() {
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var decodeFloat = ol.parser.polyline.decodeFloat;
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expect(decodeFloat('?')).to.eql(0.00000);
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expect(decodeFloat('@')).to.eql(-0.00001);
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expect(decodeFloat('A')).to.eql(0.00001);
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expect(decodeFloat('B')).to.eql(-0.00002);
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expect(decodeFloat('C')).to.eql(0.00002);
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expect(decodeFloat(']')).to.eql(0.00015);
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expect(decodeFloat('^')).to.eql(-0.00016);
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expect(decodeFloat('@', 10)).to.eql(-0.1);
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expect(decodeFloat('A', 10)).to.eql(0.1);
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expect(decodeFloat('__@')).to.eql(16 * 32 / 1e5);
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expect(decodeFloat('___@')).to.eql(16 * 32 * 32 / 1e5);
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(decodeFloat('`~oia@')).to.eql(-179.98321);
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});
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});
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describe('encodeSignedInteger', function() {
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it('returns expected value', function() {
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var encodeSignedInteger = ol.parser.polyline.encodeSignedInteger;
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expect(encodeSignedInteger(0)).to.eql('?');
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expect(encodeSignedInteger(-1)).to.eql('@');
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expect(encodeSignedInteger(1)).to.eql('A');
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expect(encodeSignedInteger(-2)).to.eql('B');
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expect(encodeSignedInteger(2)).to.eql('C');
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expect(encodeSignedInteger(15)).to.eql(']');
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expect(encodeSignedInteger(-16)).to.eql('^');
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expect(encodeSignedInteger(16)).to.eql('_@');
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expect(encodeSignedInteger(16 * 32)).to.eql('__@');
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expect(encodeSignedInteger(16 * 32 * 32)).to.eql('___@');
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});
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});
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describe('decodeSignedInteger', function() {
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it('returns expected value', function() {
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var decodeSignedInteger = ol.parser.polyline.decodeSignedInteger;
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expect(decodeSignedInteger('?')).to.eql(0);
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expect(decodeSignedInteger('@')).to.eql(-1);
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expect(decodeSignedInteger('A')).to.eql(1);
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expect(decodeSignedInteger('B')).to.eql(-2);
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expect(decodeSignedInteger('C')).to.eql(2);
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expect(decodeSignedInteger(']')).to.eql(15);
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expect(decodeSignedInteger('^')).to.eql(-16);
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expect(decodeSignedInteger('_@')).to.eql(16);
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expect(decodeSignedInteger('__@')).to.eql(16 * 32);
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expect(decodeSignedInteger('___@')).to.eql(16 * 32 * 32);
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});
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});
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describe('encodeUnsignedInteger', function() {
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it('returns expected value', function() {
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var encodeUnsignedInteger = ol.parser.polyline.encodeUnsignedInteger;
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expect(encodeUnsignedInteger(0)).to.eql('?');
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expect(encodeUnsignedInteger(1)).to.eql('@');
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expect(encodeUnsignedInteger(2)).to.eql('A');
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expect(encodeUnsignedInteger(30)).to.eql(']');
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expect(encodeUnsignedInteger(31)).to.eql('^');
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expect(encodeUnsignedInteger(32)).to.eql('_@');
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expect(encodeUnsignedInteger(32 * 32)).to.eql('__@');
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expect(encodeUnsignedInteger(5 * 32 * 32)).to.eql('__D');
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expect(encodeUnsignedInteger(32 * 32 * 32)).to.eql('___@');
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(encodeUnsignedInteger(174)).to.eql('mD');
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});
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});
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describe('decodeUnsignedInteger', function() {
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it('returns expected value', function() {
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var decodeUnsignedInteger = ol.parser.polyline.decodeUnsignedInteger;
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expect(decodeUnsignedInteger('?')).to.eql(0);
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expect(decodeUnsignedInteger('@')).to.eql(1);
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expect(decodeUnsignedInteger('A')).to.eql(2);
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expect(decodeUnsignedInteger(']')).to.eql(30);
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expect(decodeUnsignedInteger('^')).to.eql(31);
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expect(decodeUnsignedInteger('_@')).to.eql(32);
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expect(decodeUnsignedInteger('__@')).to.eql(32 * 32);
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expect(decodeUnsignedInteger('__D')).to.eql(5 * 32 * 32);
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expect(decodeUnsignedInteger('___@')).to.eql(32 * 32 * 32);
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// from the "Encoded Polyline Algorithm Format" page at Google
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expect(decodeUnsignedInteger('mD')).to.eql(174);
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});
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});
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});
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goog.require('ol.parser.polyline');
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