Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
Download
80738 views
Tweet
Share
Share
1
var assert = require("assert"),

2
    sprintfjs = require("../src/sprintf.js"),

3
    sprintf = sprintfjs.sprintf,

4
    vsprintf = sprintfjs.vsprintf

5


6
describe("sprintfjs", function() {

7
    it("should return formated strings for simple placeholders", function() {

8
        assert.equal("%", sprintf("%%"))

9
        assert.equal("10", sprintf("%b", 2))

10
        assert.equal("A", sprintf("%c", 65))

11
        assert.equal("2", sprintf("%d", 2))

12
        assert.equal("2", sprintf("%i", 2))

13
        assert.equal("2", sprintf("%d", "2"))

14
        assert.equal("2", sprintf("%i", "2"))

15
        assert.equal("2e+0", sprintf("%e", 2))

16
        assert.equal("2", sprintf("%u", 2))

17
        assert.equal("4294967294", sprintf("%u", -2))

18
        assert.equal("2.2", sprintf("%f", 2.2))

19
        assert.equal("10", sprintf("%o", 8))

20
        assert.equal("%s", sprintf("%s", "%s"))

21
        assert.equal("ff", sprintf("%x", 255))

22
        assert.equal("FF", sprintf("%X", 255))

23
        assert.equal("Polly wants a cracker", sprintf("%2$s %3$s a %1$s", "cracker", "Polly", "wants"))

24
        assert.equal("Hello world!", sprintf("Hello %(who)s!", {"who": "world"}))

25
    })

26


27
    it("should return formated strings for complex placeholders", function() {

28
        // sign

29
        assert.equal("2", sprintf("%d", 2))

30
        assert.equal("-2", sprintf("%d", -2))

31
        assert.equal("+2", sprintf("%+d", 2))

32
        assert.equal("-2", sprintf("%+d", -2))

33
        assert.equal("2", sprintf("%i", 2))

34
        assert.equal("-2", sprintf("%i", -2))

35
        assert.equal("+2", sprintf("%+i", 2))

36
        assert.equal("-2", sprintf("%+i", -2))

37
        assert.equal("2.2", sprintf("%f", 2.2))

38
        assert.equal("-2.2", sprintf("%f", -2.2))

39
        assert.equal("+2.2", sprintf("%+f", 2.2))

40
        assert.equal("-2.2", sprintf("%+f", -2.2))

41
        assert.equal("-2.3", sprintf("%+.1f", -2.34))

42
        assert.equal("-0.0", sprintf("%+.1f", -0.01))

43
        assert.equal("-000000123", sprintf("%+010d", -123))

44
        assert.equal("______-123", sprintf("%+'_10d", -123))

45
        assert.equal("-234.34 123.2", sprintf("%f %f", -234.34, 123.2))

46


47
        // padding

48
        assert.equal("-0002", sprintf("%05d", -2))

49
        assert.equal("-0002", sprintf("%05i", -2))

50
        assert.equal("    <", sprintf("%5s", "<"))

51
        assert.equal("0000<", sprintf("%05s", "<"))

52
        assert.equal("____<", sprintf("%'_5s", "<"))

53
        assert.equal(">    ", sprintf("%-5s", ">"))

54
        assert.equal(">0000", sprintf("%0-5s", ">"))

55
        assert.equal(">____", sprintf("%'_-5s", ">"))

56
        assert.equal("xxxxxx", sprintf("%5s", "xxxxxx"))

57
        assert.equal("1234", sprintf("%02u", 1234))

58
        assert.equal(" -10.235", sprintf("%8.3f", -10.23456))

59
        assert.equal("-12.34 xxx", sprintf("%f %s", -12.34, "xxx"))

60


61
        // precision

62
        assert.equal("2.3", sprintf("%.1f", 2.345))

63
        assert.equal("xxxxx", sprintf("%5.5s", "xxxxxx"))

64
        assert.equal("    x", sprintf("%5.1s", "xxxxxx"))

65


66
    })

67


68
    it("should return formated strings for callbacks", function() {

69
        assert.equal("foobar", sprintf("%s", function() { return "foobar" }))

70
        assert.equal(Date.now(), sprintf("%s", Date.now)) // should pass...

71
    })

72
})

73


74