var vows = require(“vows”),

load = require("../load"),
assert = require("../assert");

var suite = vows.describe(“d3.interpolateNumber”);

suite.addBatch({

"interpolateNumber": {
  topic: load("interpolate/number").expression("d3.interpolateNumber"),
  "interpolates numbers": function(interpolate) {
    assert.strictEqual(interpolate(2, 12)(.4), 6);
    assert.strictEqual(interpolate(2, 12)(.6), 8);
  },
  "coerces strings to numbers": function(interpolate) {
    assert.strictEqual(interpolate("2", "12")(.4), 6);
  }
}

});

suite.export(module);