rafa/test/unit/core/Property-constructor.js

Rafa.js is a Javascript framework for building concurrent applications.

module.exports = (assert, Rafa) => {
  suite("constructor", () => {
    test("single property", () => {
      var p = Rafa.property(1);
      assert.isNull(p.properties);
      assert.equal(p.value, 1);
    });

    test("1 dependent", () => {
      var a = Rafa.property(1);
      var b = Rafa.property(() => a + 1);
      assert.equal(a.properties[0], b);
      assert.equal(b.value, 2);
    });

    test("2 dependents", () => {
      var a = Rafa.property(1);
      var b = Rafa.property(() => a + 1);
      var c = Rafa.property(() => a + b);
      assert.equal(a.properties[0], b);
      assert.equal(a.properties[1], c);
      assert.equal(c.value, 3);
    });
  });
};