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var tape = require("tape"),
vertex = require("../build/Vertex");
hEdge = require("../build/hEdge");
tape("HEdge(...) should set the expected defaults", function(test) {
var v0 = new vertex.Vertex(1, 0, 0),
v1 = new vertex.Vertex(0, 2, 0),
v2 = new vertex.Vertex(0, 0, 3),
face = {verts: [v0, v1, v2]},
he = new hEdge.HEdge(v0, v1, face);
test.equal(he.next, null);
test.equal(he.prev, null);
test.equal(he.twin, null);
test.equal(he.orig, v0);
test.equal(he.dest, v1);
test.equal(he.iFace, face);
test.end();
});
tape("HEdge.isHorizon(...) should detect if it is an horizon", function(test) {
var v00 = new vertex.Vertex(1, 0, 0),
v01 = new vertex.Vertex(0, 2, 0),
v02 = new vertex.Vertex(0, 0, 3),
face0 = {verts: [v00, v01, v02], marked: true},
he0 = new hEdge.HEdge(v00, v01, face0);
v10 = new vertex.Vertex(1, 0, 0),
v11 = new vertex.Vertex(0, 2, 0),
v12 = new vertex.Vertex(0, 0, 3),
face1 = {verts: [v10, v11, v12], marked: false};
he1 = new hEdge.HEdge(v10, v11, face1);
test.notOk(he0.isHorizon());
he0.twin = he1;
test.notOk(he0.isHorizon());
face0.marked = false;
test.notOk(he0.isHorizon());
face1.marked = true;
test.ok(he0.isHorizon());
test.end();
});
tape("HEdge.isEqual(...) should detect if it corresponds to its orig and dest", function(test) {
var v0 = new vertex.Vertex(1, 0, 0),
v1 = new vertex.Vertex(0, 2, 0),
v2 = new vertex.Vertex(0, 0, 3),
face = {verts: [v0, v1, v2]},
he = new hEdge.HEdge(v0, v1, face),
w0 = new vertex.Vertex(1, 0, 0),
w1 = new vertex.Vertex(0, 2, 0),
w2 = new vertex.Vertex(1, 2, 3);
test.ok(he.isEqual(w0, w1));
test.ok(he.isEqual(w1, w0));
test.notOk(he.isEqual(w0, w2));
test.notOk(he.isEqual(w2, w0));
test.end();
});