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test.js
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test.js
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var test = require('prova');
var test = require('prova');
var randomColor = require("./");
var reRGB = /^rgb\((\d+),\s?(\d+),\s?(\d+)\)$/;
test('returns a random color', function (t) {
t.plan(8);
var a = randomColor(),
b = randomColor(),
c = randomColor();
t.notEqual(a, b);
t.notEqual(b, c);
t.ok(reRGB.test(a));
t.ok(reRGB.test(b));
t.ok(reRGB.test(c));
t.ok(verify(a));
t.ok(verify(b));
t.ok(verify(c));
});
test('allows specifying a max number', function (t) {
t.plan(3);
var a = randomColor(25),
b = randomColor(25),
c = randomColor(25);
t.ok(verify(a, 25));
t.ok(verify(b, 25));
t.ok(verify(c, 25));
});
test('allows specifying min number', function (t) {
t.plan(6);
var a = randomColor(25, 20);
var b = randomColor(25, 20);
var c = randomColor(25, 20);
var d = randomColor(25, 20);
var e = randomColor(25, 20);
var f = randomColor(25, 20);
t.ok(verify(a, 25, 20));
t.ok(verify(b, 25, 20));
t.ok(verify(c, 25, 20));
t.ok(verify(d, 25, 20));
t.ok(verify(e, 25, 20));
t.ok(verify(f, 25, 20));
});
function verify(rgb, max, min){
max || ( max = 255 );
min || ( min = 0 );
return rgb.match(/^rgb\((\d+),\s?(\d+),\s?(\d+)\)$/).slice(1).map(Number).every(function(n){
return n <= max && n >= min;
});
}