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1 | 1 | package roman_numerals
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2 | 2 |
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3 |
| -import "testing" |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "testing" |
| 6 | +) |
4 | 7 |
|
5 | 8 | func TestRomanNumerals(t *testing.T) {
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6 | 9 | cases := []struct {
|
7 |
| - Description string |
8 |
| - Arabic int |
9 |
| - Want string |
| 10 | + Arabic int |
| 11 | + Roman string |
10 | 12 | }{
|
11 |
| - {"1 gets converted to I", 1, "I"}, |
12 |
| - {"2 gets converted to II", 2, "II"}, |
13 |
| - {"3 gets converted to III", 3, "III"}, |
14 |
| - {"4 gets converted to IV", 4, "IV"}, |
15 |
| - {"5 gets converted to V", 5, "V"}, |
16 |
| - {"9 gets converted to IX", 9, "IX"}, |
17 |
| - {"10 gets converted to X", 10, "X"}, |
18 |
| - {"40 gets converted to XL", 40, "XL"}, |
19 |
| - {"47 gets converted to XLVII", 47, "XLVII"}, |
20 |
| - {"49 gets converted to XLIX", 49, "XLIX"}, |
21 |
| - {"50 gets converted to L", 50, "L"}, |
| 13 | + {Arabic: 1, Roman: "I"}, |
| 14 | + {Arabic: 2, Roman: "II"}, |
| 15 | + {Arabic: 3, Roman: "III"}, |
| 16 | + {Arabic: 4, Roman: "IV"}, |
| 17 | + {Arabic: 5, Roman: "V"}, |
| 18 | + {Arabic: 6, Roman: "VI"}, |
| 19 | + {Arabic: 7, Roman: "VII"}, |
| 20 | + {Arabic: 8, Roman: "VIII"}, |
| 21 | + {Arabic: 9, Roman: "IX"}, |
| 22 | + {Arabic: 10, Roman: "X"}, |
| 23 | + {Arabic: 14, Roman: "XIV"}, |
| 24 | + {Arabic: 18, Roman: "XVIII"}, |
| 25 | + {Arabic: 20, Roman: "XX"}, |
| 26 | + {Arabic: 39, Roman: "XXXIX"}, |
| 27 | + {Arabic: 40, Roman: "XL"}, |
| 28 | + {Arabic: 47, Roman: "XLVII"}, |
| 29 | + {Arabic: 49, Roman: "XLIX"}, |
| 30 | + {Arabic: 50, Roman: "L"}, |
| 31 | + {Arabic: 100, Roman: "C"}, |
| 32 | + {Arabic: 90, Roman: "XC"}, |
| 33 | + {Arabic: 400, Roman: "CD"}, |
| 34 | + {Arabic: 500, Roman: "D"}, |
| 35 | + {Arabic: 900, Roman: "CM"}, |
| 36 | + {Arabic: 1000, Roman: "M"}, |
| 37 | + {Arabic: 1984, Roman: "MCMLXXXIV"}, |
| 38 | + {Arabic: 3999, Roman: "MMMCMXCIX"}, |
| 39 | + {Arabic: 2014, Roman: "MMXIV"}, |
| 40 | + {Arabic: 1006, Roman: "MVI"}, |
| 41 | + {Arabic: 798, Roman: "DCCXCVIII"}, |
22 | 42 | }
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23 | 43 |
|
24 | 44 | for _, test := range cases {
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25 |
| - t.Run(test.Description, func(t *testing.T) { |
| 45 | + t.Run(fmt.Sprintf("%d get converted to %q", test.Arabic, test.Roman), func(t *testing.T) { |
26 | 46 | got := ConvertToRoman(test.Arabic)
|
27 |
| - if got != test.Want { |
28 |
| - t.Errorf("got %q, want %q", got, test.Want) |
| 47 | + if got != test.Roman { |
| 48 | + t.Errorf("got %q, want %q", got, test.Roman) |
29 | 49 | }
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30 | 50 | })
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31 | 51 | }
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