--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/exemples/couple/javascript/d3/test/svg/area-test.js Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,192 @@
+require("../env");
+require("../../d3");
+
+var vows = require("vows"),
+ assert = require("assert");
+
+var suite = vows.describe("d3.svg.area");
+
+suite.addBatch({
+ "area": {
+ topic: function() {
+ return d3.svg.area;
+ },
+
+ "x is an alias for setting x0 and x1": function(area) {
+ var a = area().x(f);
+ function f() {}
+ assert.equal(a.x(), f);
+ assert.equal(a.x0(), f);
+ assert.equal(a.x1(), f);
+ },
+ "x is an alias for getting x1": function(area) {
+ var a = area().x1(f);
+ function f() {}
+ assert.equal(a.x(), f);
+ },
+
+ "y is an alias for setting y0 and y1": function(area) {
+ var a = area().y(f);
+ function f() {}
+ assert.equal(a.y(), f);
+ assert.equal(a.y0(), f);
+ assert.equal(a.y1(), f);
+ },
+ "y is an alias for getting x1": function(area) {
+ var a = area().y1(f);
+ function f() {}
+ assert.equal(a.y(), f);
+ },
+
+ "x0 defaults to a function accessor": function(area) {
+ var a = area();
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L4,0L1,0Z");
+ assert.typeOf(a.x0(), "function");
+ },
+ "x0 can be defined as a constant": function(area) {
+ var a = area().x0(0);
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L0,0L0,0Z");
+ assert.equal(a.x0(), 0);
+ },
+ "x0 can be defined as a function": function(area) {
+ var a = area().x0(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 0; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M1,2L4,3L0,0L0,0Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+
+ "x1 defaults to a function accessor": function(area) {
+ var a = area();
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L4,0L1,0Z");
+ assert.typeOf(a.x1(), "function");
+ },
+ "x1 can be defined as a constant": function(area) {
+ var a = area().x1(0);
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M0,2L0,3L4,0L1,0Z");
+ assert.equal(a.x1(), 0);
+ },
+ "x1 can be defined as a function": function(area) {
+ var a = area().x1(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 0; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M0,2L0,3L4,0L1,0Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+
+ "y0 defaults to zero": function(area) {
+ var a = area();
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L4,0L1,0Z");
+ assert.equal(a.y0(), 0);
+ },
+ "y0 can be defined as a constant": function(area) {
+ var a = area().y0(1);
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L4,1L1,1Z");
+ assert.equal(a.y0(), 1);
+ },
+ "y0 can be defined as a function": function(area) {
+ var a = area().y0(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 1; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M1,2L4,3L4,1L1,1Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+
+ "y1 defaults to a function accessor": function(area) {
+ var a = area();
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,2L4,3L4,0L1,0Z");
+ assert.typeOf(a.y1(), "function");
+ },
+ "y1 can be defined as a constant": function(area) {
+ var a = area().y1(1);
+ assert.pathEqual(a([[1, 2], [4, 3]]), "M1,1L4,1L4,0L1,0Z");
+ assert.equal(a.y1(), 1);
+ },
+ "y1 can be defined as a function": function(area) {
+ var a = area().y1(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 1; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M1,1L4,1L4,0L1,0Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+
+ "if x0 === x1, x is only evaluated once per point": function(area) {
+ var a = area().x(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 0; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M0,2L0,3L0,0L0,0Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+ "if y0 === y1, y is only evaluated once per point": function(area) {
+ var a = area().y(f), t = {}, dd = [], ii = [], tt = [];
+ function f(d, i) { dd.push(d); ii.push(i); tt.push(this); return 1; }
+ assert.pathEqual(a.call(t, [[1, 2], [4, 3]]), "M1,1L4,1L4,1L1,1Z");
+ assert.deepEqual(dd, [[1, 2], [4, 3]], "expected data, got {actual}");
+ assert.deepEqual(ii, [0, 1], "expected index, got {actual}");
+ assert.deepEqual(tt, [t, t], "expected this, got {actual}");
+ },
+
+ "interpolate defaults to linear": function(area) {
+ assert.equal(area().interpolate(), "linear");
+ },
+ "interpolate can be defined as a constant": function(area) {
+ var a = area().interpolate("step-before");
+ assert.pathEqual(a([[0, 0], [1, 1]]), "M0,0V1H1L1,0H0V0Z");
+ assert.equal(a.interpolate(), "step-before");
+ },
+
+ "tension defaults to .7": function(area) {
+ assert.equal(area().tension(), .7);
+ },
+ "tension can be specified as a constant": function(area) {
+ var a = area().tension(.5);
+ assert.equal(a.tension(), .5);
+ },
+
+ "returns null if input points array is empty": function(area) {
+ assert.isNull(area()([]));
+ },
+
+ "interpolate(linear)": {
+ "supports linear interpolation": testInterpolation("linear")
+ },
+
+ "interpolate(step)": {
+ "supports step-before interpolation": testInterpolation("step-before", "step-after"),
+ "supports step-after interpolation": testInterpolation("step-after", "step-before")
+ },
+
+ "interpolate(basis)": {
+ "supports basis interpolation": testInterpolation("basis"),
+ "supports basis-open interpolation": testInterpolation("basis-open")
+ },
+
+ "interpolate(cardinal)": {
+ "supports cardinal interpolation": testInterpolation("cardinal"),
+ "supports cardinal-open interpolation": testInterpolation("cardinal-open")
+ },
+
+ "interpolate(monotone)": {
+ "supports monotone interpolation": testInterpolation("monotone")
+ }
+ }
+});
+
+// An area is just two lines, with one reversed.
+function testInterpolation(i0, i1) {
+ if (arguments.length < 2) i1 = i0;
+ return function(area) {
+ var a = area().interpolate(i0),
+ d = [[0, 0], [1, 1], [2, 0], [3, 1], [4, 0]],
+ l0 = d3.svg.line().interpolate(i1).x(a.x0()).y(a.y0()),
+ l1 = d3.svg.line().interpolate(i0).x(a.x1()).y(a.y1());
+ assert.pathEqual(a(d), l1(d) + "L" + l0(d.reverse()).substring(1) + "Z");
+ };
+}
+
+suite.export(module);