extjs-gpl
Version:
GPL licensed version of Sencha Ext JS
54 lines (45 loc) • 1.95 kB
JavaScript
describe("Ext.chart.axis.segmenter.Numeric", function () {
var proto = Ext.chart.axis.segmenter.Numeric.prototype;
describe("exactStep", function () {
it("should calculate unit and step correctly for the [.01, .99] range with 5 steps", function () {
var min = 0.01,
max = 0.99,
steps = 5,
estStep = (max - min) / steps,
result = proto.exactStep(min, estStep);
expect(result.unit.fixes).toBe(2);
expect(result.unit.scale).toBe(estStep);
expect(result.step).toBe(1);
});
it("should calculate unit and step correctly for the [-.01, .99] range with 5 steps", function () {
var min = -0.01,
max = 0.99,
steps = 5,
estStep = (max - min) / steps,
result = proto.exactStep(min, estStep);
expect(result.unit.fixes).toBe(2);
expect(result.unit.scale).toBe(0.2);
expect(result.step).toBe(1);
});
it("should calculate unit and step correctly for the [0, 1] range with 10 steps", function () {
var min = 0,
max = 1,
steps = 10,
estStep = (max - min) / steps,
result = proto.exactStep(min, estStep);
expect(result.unit.fixes).toBe(2);
expect(result.unit.scale).toBe(0.1);
expect(result.step).toBe(1);
});
it("should calculate unit and step correctly for the [5, 10] range with 3 steps", function () {
var min = 5,
max = 10,
steps = 3,
estStep = (max - min) / steps,
result = proto.exactStep(min, estStep);
expect(result.unit.fixes).toBe(1);
expect(result.unit.scale).toBe(1);
expect(result.step).toBe(1.6666666666666667);
});
});
});