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Contents
xdescribe("Projection.Mercator", function() {
var p = L.Projection.Mercator;
beforeEach(function() {
function almostEqual(a, b, p) {
return Math.abs(a - b) <= (p || 1.0E-12);
};
this.addMatchers({
toAlmostEqual: function(expected, margin) {
var p1 = this.actual,
p2 = expected;
return almostEqual(p1.x, p2.x, margin) && almostEqual(p1.y, p2.y, margin);
}
});
});
describe("#project", function() {
it("should do projection properly", function() {
//edge cases
expect(p.project(new L.LatLng(0, 0))).toAlmostEqual(new L.Point(0, 0));
expect(p.project(new L.LatLng(90, 180))).toAlmostEqual(new L.Point(-Math.PI, Math.PI));
expect(p.project(new L.LatLng(-90, -180))).toAlmostEqual(new L.Point(-Math.PI, -Math.PI));
expect(p.project(new L.LatLng(50, 30))).toAlmostEqual(new L.Point(0.523598775598, 1.010683188683));
});
});
describe("#unproject", function() {
it("should do unprojection properly", function() {
function pr(point) {
return p.project(p.unproject(point));
}
expect(pr(new L.Point(0, 0))).toAlmostEqual(new L.Point(0, 0));
expect(pr(new L.Point(-Math.PI, Math.PI))).toAlmostEqual(new L.Point(-Math.PI, Math.PI));
expect(pr(new L.Point(-Math.PI, -Math.PI))).toAlmostEqual(new L.Point(-Math.PI, -Math.PI));
expect(pr(new L.Point(0.523598775598, 1.010683188683))).toAlmostEqual(new L.Point(0.523598775598, 1.010683188683));
});
});
});
Version data entries
3 entries across 3 versions & 1 rubygems