| var assert = require("assert"), |
| sprintfjs = require("../src/sprintf.js"), |
| sprintf = sprintfjs.sprintf, |
| vsprintf = sprintfjs.vsprintf |
| |
| describe("sprintfjs", function() { |
| var pi = 3.141592653589793 |
| |
| it("should return formated strings for simple placeholders", function() { |
| assert.equal("%", sprintf("%%")) |
| assert.equal("10", sprintf("%b", 2)) |
| assert.equal("A", sprintf("%c", 65)) |
| assert.equal("2", sprintf("%d", 2)) |
| assert.equal("2", sprintf("%i", 2)) |
| assert.equal("2", sprintf("%d", "2")) |
| assert.equal("2", sprintf("%i", "2")) |
| assert.equal('{"foo":"bar"}', sprintf("%j", {foo: "bar"})) |
| assert.equal('["foo","bar"]', sprintf("%j", ["foo", "bar"])) |
| assert.equal("2e+0", sprintf("%e", 2)) |
| assert.equal("2", sprintf("%u", 2)) |
| assert.equal("4294967294", sprintf("%u", -2)) |
| assert.equal("2.2", sprintf("%f", 2.2)) |
| assert.equal("3.141592653589793", sprintf("%g", pi)) |
| assert.equal("10", sprintf("%o", 8)) |
| assert.equal("%s", sprintf("%s", "%s")) |
| assert.equal("ff", sprintf("%x", 255)) |
| assert.equal("FF", sprintf("%X", 255)) |
| assert.equal("Polly wants a cracker", sprintf("%2$s %3$s a %1$s", "cracker", "Polly", "wants")) |
| assert.equal("Hello world!", sprintf("Hello %(who)s!", {"who": "world"})) |
| }) |
| |
| it("should return formated strings for complex placeholders", function() { |
| // sign |
| assert.equal("2", sprintf("%d", 2)) |
| assert.equal("-2", sprintf("%d", -2)) |
| assert.equal("+2", sprintf("%+d", 2)) |
| assert.equal("-2", sprintf("%+d", -2)) |
| assert.equal("2", sprintf("%i", 2)) |
| assert.equal("-2", sprintf("%i", -2)) |
| assert.equal("+2", sprintf("%+i", 2)) |
| assert.equal("-2", sprintf("%+i", -2)) |
| assert.equal("2.2", sprintf("%f", 2.2)) |
| assert.equal("-2.2", sprintf("%f", -2.2)) |
| assert.equal("+2.2", sprintf("%+f", 2.2)) |
| assert.equal("-2.2", sprintf("%+f", -2.2)) |
| assert.equal("-2.3", sprintf("%+.1f", -2.34)) |
| assert.equal("-0.0", sprintf("%+.1f", -0.01)) |
| assert.equal("3.14159", sprintf("%.6g", pi)) |
| assert.equal("3.14", sprintf("%.3g", pi)) |
| assert.equal("3", sprintf("%.1g", pi)) |
| assert.equal("-000000123", sprintf("%+010d", -123)) |
| assert.equal("______-123", sprintf("%+'_10d", -123)) |
| assert.equal("-234.34 123.2", sprintf("%f %f", -234.34, 123.2)) |
| |
| // padding |
| assert.equal("-0002", sprintf("%05d", -2)) |
| assert.equal("-0002", sprintf("%05i", -2)) |
| assert.equal(" <", sprintf("%5s", "<")) |
| assert.equal("0000<", sprintf("%05s", "<")) |
| assert.equal("____<", sprintf("%'_5s", "<")) |
| assert.equal("> ", sprintf("%-5s", ">")) |
| assert.equal(">0000", sprintf("%0-5s", ">")) |
| assert.equal(">____", sprintf("%'_-5s", ">")) |
| assert.equal("xxxxxx", sprintf("%5s", "xxxxxx")) |
| assert.equal("1234", sprintf("%02u", 1234)) |
| assert.equal(" -10.235", sprintf("%8.3f", -10.23456)) |
| assert.equal("-12.34 xxx", sprintf("%f %s", -12.34, "xxx")) |
| assert.equal('{\n "foo": "bar"\n}', sprintf("%2j", {foo: "bar"})) |
| assert.equal('[\n "foo",\n "bar"\n]', sprintf("%2j", ["foo", "bar"])) |
| |
| // precision |
| assert.equal("2.3", sprintf("%.1f", 2.345)) |
| assert.equal("xxxxx", sprintf("%5.5s", "xxxxxx")) |
| assert.equal(" x", sprintf("%5.1s", "xxxxxx")) |
| |
| }) |
| |
| it("should return formated strings for callbacks", function() { |
| assert.equal("foobar", sprintf("%s", function() { return "foobar" })) |
| assert.equal(Date.now(), sprintf("%s", Date.now)) // should pass... |
| }) |
| }) |
