squiggle/__tests__/Functions__Test.re
Roman Galochkin 946e2dad7e Adds tests
2020-02-25 12:45:41 +03:00

93 lines
2.6 KiB
ReasonML

open Jest;
open Expect;
exception ShapeWrong(string);
describe("Functions", () => {
test("interpolate", () => {
let a = Functions.interpolate(10., 20., 1., 2., 15.);
let b = 1.5;
expect(a) |> toEqual(b);
});
test("range#1", () => {
expect(Functions.range(1., 5., 3)) |> toEqual([|1., 3., 5.|])
});
test("range#2", () => {
expect(Functions.range(1., 5., 5)) |> toEqual([|1., 2., 3., 4., 5.|])
});
test("range#3", () => {
expect(Functions.range(-10., 15., 2)) |> toEqual([|(-10.), 15.|])
});
test("range#4", () => {
expect(Functions.range(-10., 15., 3)) |> toEqual([|(-10.), 2.5, 15.|])
});
test("range#5", () => {
expect(Functions.range(-10.3, 17., 3))
|> toEqual([|(-10.3), 3.3499999999999996, 17.|])
});
test("range#6", () => {
expect(Functions.range(-10.3, 17., 5))
|> toEqual([|
(-10.3),
(-3.4750000000000005),
3.3499999999999996,
10.175,
17.0,
|])
});
test("range#7", () => {
expect(Functions.range(-10.3, 17.31, 3))
|> toEqual([|(-10.3), 3.504999999999999, 17.31|])
});
test("range#8", () => {
expect(Functions.range(1., 1., 3)) |> toEqual([|1., 1., 1.|])
});
test("mean#1", () => {
expect(Functions.mean([|1., 2., 3.|])) |> toEqual(2.)
});
test("mean#2", () => {
expect(Functions.mean([|1., 2., 3., (-2.)|])) |> toEqual(1.)
});
test("mean#3", () => {
expect(Functions.mean([|1., 2., 3., (-2.), (-10.)|])) |> toEqual(-1.2)
});
test("min#1", () => {
expect(Functions.min([|1., 2., 3.|])) |> toEqual(1.)
});
test("min#2", () => {
expect(Functions.min([|(-1.), (-2.), 0., 20.|])) |> toEqual(-2.)
});
test("min#3", () => {
expect(Functions.min([|(-1.), (-2.), 0., 20., (-2.2)|]))
|> toEqual(-2.2)
});
test("max#1", () => {
expect(Functions.max([|1., 2., 3.|])) |> toEqual(3.)
});
test("max#2", () => {
expect(Functions.max([|(-1.), (-2.), 0., 20.|])) |> toEqual(20.)
});
test("max#3", () => {
expect(Functions.max([|(-1.), (-2.), 0., (-2.2)|])) |> toEqual(0.)
});
test("random#1", () => {
expect(Functions.random(1, 5)) |> toBeLessThanOrEqual(5)
});
test("random#2", () => {
expect(Functions.random(1, 5)) |> toBeGreaterThanOrEqual(1)
});
test("up#1", () => {
expect(Functions.up(1, 5)) |> toEqual([|1., 2., 3., 4., 5.|])
});
test("up#2", () => {
expect(Functions.up(-1, 5))
|> toEqual([|(-1.), 0., 1., 2., 3., 4., 5.|])
});
test("down#1", () => {
expect(Functions.down(5, 1)) |> toEqual([|5., 4., 3., 2., 1.|])
});
test("down#2", () => {
expect(Functions.down(5, -1))
|> toEqual([|5., 4., 3., 2., 1., 0., (-1.)|])
});
});