Add sprintf.js v1.0.2.

This script provides sprintf() for JavaScript. It can be used for
example for translating strings used in JavaScript with variables.

It is licensed under BSD-3-Clause and can be found on GitHub:
https://github.com/alexei/sprintf.js

1 files changed, 72 insertions, 0 deletions

diff --git a/library/sprintf.js/test/test.js b/library/sprintf.js/test/test.js
new file mode 100644
index 000000000..1717d8fd0
--- /dev/null
+++ b/library/sprintf.js/test/test.js
@@ -0,0 +1,72 @@
+var assert = require("assert"),
+    sprintfjs = require("../src/sprintf.js"),
+    sprintf = sprintfjs.sprintf,
+    vsprintf = sprintfjs.vsprintf
+
+describe("sprintfjs", function() {
+    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("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("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("-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"))
+
+        // 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...
+    })
+})