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Contents
var vows = require("vows"),
load = require("../load"),
assert = require("../assert");
var suite = vows.describe("d3.interpolateObject");
suite.addBatch({
"interpolateObject": {
topic: load("interpolate/object").expression("d3.interpolateObject"),
"interpolates defined properties": function(interpolate) {
assert.deepEqual(interpolate({a: 2, b: 12}, {a: 4, b: 24})(.5), {a: 3, b: 18});
},
"interpolates inherited properties": function(interpolate) {
function a(a) { this.a = a; }
a.prototype.b = 12;
assert.deepEqual(interpolate(new a(2), new a(4))(.5), {a: 3, b: 12});
},
"interpolates color properties as rgb": function(interpolate) {
assert.deepEqual(interpolate({background: "red"}, {background: "green"})(.5), {background: d3.rgb(128, 64, 0)});
assert.deepEqual(interpolate({fill: "red"}, {fill: "green"})(.5), {fill: d3.rgb(128, 64, 0)});
assert.deepEqual(interpolate({stroke: "red"}, {stroke: "green"})(.5), {stroke: d3.rgb(128, 64, 0)});
assert.deepEqual(interpolate({color: "red"}, {color: "green"})(.5), {color: d3.rgb(128, 64, 0)});
},
"interpolates nested objects and arrays": function(interpolate) {
assert.deepEqual(interpolate({foo: [2, 12]}, {foo: [4, 24]})(.5), {foo: [3, 18]});
assert.deepEqual(interpolate({foo: {bar: [2, 12]}}, {foo: {bar: [4, 24]}})(.5), {foo: {bar: [3, 18]}});
},
"merges non-shared properties": function(interpolate) {
assert.deepEqual(interpolate({foo: 2}, {foo: 4, bar: 12})(.5), {foo: 3, bar: 12});
assert.deepEqual(interpolate({foo: 2, bar: 12}, {foo: 4})(.5), {foo: 3, bar: 12});
}
}
});
suite.export(module);
Version data entries
4 entries across 4 versions & 2 rubygems