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Split more functionality into util.geo and test it.

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This commit is contained in:
Tom MacWright
2012-12-04 16:52:59 -05:00
parent 851efdf01f
commit 340b97c0e9
3 changed files with 42 additions and 22 deletions
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test/spec/util.js
+28 -9
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@@ -22,16 +22,35 @@ describe('Util', function() {
expect(iD.util.friendlyName({ tags: { name: 'hi', highway: 'Route 5' }})).to.equal('hi');
});
describe('#interp', function() {
it('interpolates halfway', function() {
var a = { lat: 0, lon: 0 },
b = { lat: 10, lon: 10 };
expect(iD.util.geo.interp(a, b, 0.5)).to.eql({ lat: 5, lon: 5});
describe('geo', function() {
describe('#interp', function() {
it('interpolates halfway', function() {
var a = { lat: 0, lon: 0 },
b = { lat: 10, lon: 10 };
expect(iD.util.geo.interp(a, b, 0.5)).to.eql({ lat: 5, lon: 5});
});
it('interpolates to one side', function() {
var a = { lat: 0, lon: 0 },
b = { lat: 10, lon: 10 };
expect(iD.util.geo.interp(a, b, 0)).to.eql({ lat: 0, lon: 0});
});
});
it('interpolates to one side', function() {
var a = { lat: 0, lon: 0 },
b = { lat: 10, lon: 10 };
expect(iD.util.geo.interp(a, b, 0)).to.eql({ lat: 0, lon: 0});
describe('#dist', function() {
it('distance between two same points is zero', function() {
var a = [0, 0],
b = [0, 0];
expect(iD.util.geo.dist(a, b)).to.eql(0);
});
it('a straight 10 unit line is 10', function() {
var a = [0, 0],
b = [10, 0];
expect(iD.util.geo.dist(a, b)).to.eql(10);
});
it('a pythagorean triangle is right', function() {
var a = [0, 0],
b = [4, 3];
expect(iD.util.geo.dist(a, b)).to.eql(5);
});
});
});
});