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