{"id":42,"date":"2024-10-10T14:17:47","date_gmt":"2024-10-10T05:17:47","guid":{"rendered":"https:\/\/java.satoshis.jp\/?p=42"},"modified":"2024-10-17T02:32:29","modified_gmt":"2024-10-16T17:32:29","slug":"junit%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e3%83%86%e3%82%b9%e3%83%88%e9%a7%86%e5%8b%95%e9%96%8b%e7%99%ba","status":"publish","type":"post","link":"https:\/\/java.satoshis.jp\/?p=42","title":{"rendered":"JUnit\u3092\u4f7f\u7528\u3057\u305f\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a"},"content":{"rendered":"

JUnit\u3068\u3044\u3046\u30c6\u30b9\u30c6\u30a3\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3046\u3068\u3001Java\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u30ea\u30ba\u30e0\u3088\u304f\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3046\u308b\u3046\u5e74\u5224\u5b9a<\/h4>\n

\u3046\u308b\u3046\u5e74\u5224\u5b9a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n

\u65b0\u898f\u30d5\u30a1\u30a4\u30eb\u300cLeapYear.java\u300d\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n

\u3046\u308b\u3046\u5e74\u306e\u6761\u4ef6\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n

    \n
  1. \u897f\u66a6\u5e74\u53f7\u304c4\u3067\u5272\u308a\u5207\u308c\u308b\u5e74\u306f\u3001\u3046\u308b\u3046\u5e74\u3067\u3059\u3002<\/li>\n
  2. \u305f\u3060\u3057\u3001\u897f\u66a6\u5e74\u53f7\u304c100\u3067\u5272\u308a\u5207\u308c\u308b\u5e74\u306f\u3001\u901a\u5e38\u306f\u5e73\u5e74\u3067\u3059\u3002<\/li>\n
  3. \u3057\u304b\u3057\u3001\u897f\u66a6\u5e74\u53f7\u304c400\u3067\u5272\u308a\u5207\u308c\u308b\u5e74\u306f\u3001\u3046\u308b\u3046\u5e74\u3067\u3059\u3002<\/li>\n<\/ol>\n
    \r\npublic class LeapYear {\r\n    public static void main(String[] args) {\r\n        String y = args[0];\r\n        int year = Integer.parseInt(y);\r\n        if (isLeapYear(year)) {\r\n          System.out.println(year + "\u306f\u3001\u3046\u308b\u3046\u5e74");\r\n        } else {\r\n          System.out.println(year + "\u306f\u3001\u5e73\u5e74");\r\n        }\r\n    }\r\n\r\n    public static boolean isLeapYear(int year) {\r\n      return false;\r\n    }\r\n}\r\n<\/pre>\n
    \u3046\u308b\u3046\u5e74\u5224\u5b9a\u3092\u4f5c\u308b\u306b\u306f\u3001JUnit\u3068\u3044\u3046\u30c6\u30b9\u30c6\u30a3\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3046\u3068\u4fbf\u5229\uff01<\/p>\n
    LeapYearTest.java\u3092\u65b0\u898f\u4f5c\u6210\u3057\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n
    \r\nimport static org.junit.jupiter.api.Assertions.*;\r\n\r\nimport org.junit.jupiter.api.Test;\r\n\r\npublic class LeapYearTest {\r\n  @Test\r\n  public void testLeapYear() {\r\n    assertTrue(LeapYear.isLeapYear(2000));\r\n    assertTrue(LeapYear.isLeapYear(2024));\r\n    assertFalse(LeapYear.isLeapYear(1900));\r\n    assertFalse(LeapYear.isLeapYear(2001));\r\n  }\r\n}\r\n<\/pre>\n
    \u30c6\u30b9\u30c8\u3092\u76ee\u7684\u3054\u3068\u306b\u5206\u96e2\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308b\u3002<\/p>\n
    \r\nimport static org.junit.jupiter.api.Assertions.*;\r\n\r\nimport org.junit.jupiter.api.Test;\r\n\r\npublic class LeapYearTest {\r\n  @Test\r\n  public void test\u5e73\u5e74() {\r\n    assertFalse(LeapYear.isLeapYear(2001));\r\n  }\r\n\r\n  @Test\r\n  public void test4\u5e74\u6bce\u306e\u3046\u308b\u3046\u5e74() {\r\n    assertTrue(LeapYear.isLeapYear(2024));\r\n  }\r\n\r\n  @Test\r\n  public void test100\u5e74\u6bce\u306e\u5e73\u5e74() {\r\n    assertFalse(LeapYear.isLeapYear(1900));\r\n  }\r\n\r\n  @Test\r\n  public void test400\u5e74\u6bce\u306e\u3046\u308b\u3046\u5e74() {\r\n    assertTrue(LeapYear.isLeapYear(2000));\r\n  }\r\n}\r\n<\/pre>\n
    FizzBuzz<\/h4>\n
    FizzBuzz\u554f\u984c\u306f\u3001\u5358\u4f53\u30c6\u30b9\u30c8\u3092\u4f5c\u308b\u3068\u304d\u306e\u4f8b\u984c\u3068\u3057\u3066\u6709\u540d\u3067\u3059\u3002<\/p>\n
    \u307e\u305a\u306f\u3001\u6570\u5024\u3092\u4e0e\u3048\u3089\u308c\u305f\u3068\u304d\u306b\u3001\u6587\u5b57\u5217\u5316\u3059\u308b\u3060\u3051\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n
    \r\npublic class FizzBuzz {\r\n  public String say(int i) {\r\n    return String.valueOf(i);\r\n  }\r\n}\r\n<\/pre>\n
    FizzBuzz\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u30c6\u30b9\u30c8\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
    \n1\u30682\u306f\u6700\u521d\u306e\u5b9f\u88c5\u3067\u3082\u30c6\u30b9\u30c8\u306b\u30d1\u30b9\u3057\u307e\u3059\u3002<\/p>\n
    \r\nimport static org.junit.Assert.assertTrue;\r\n\r\nimport org.junit.jupiter.api.Test;\r\n\r\npublic class FizzBuzzTest {\r\n  @Test\r\n  public void test\u6570\u5b57() {\r\n    FizzBuzz fb = new FizzBuzz();\r\n    assertTrue(fb.say(1).equals("1"));\r\n    assertTrue(fb.say(2).equals("2"));\r\n  }\r\n<\/pre>\n
    3\u306b\u5bfe\u3057\u3066Fizz\u3092\u8fd4\u3059\u306e\u306f\u4f5c\u3063\u3066\u306a\u3044\u3067\u3059\u304c\u3001\u5148\u306b\u30c6\u30b9\u30c8\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p>\n
    \r\n  @Test\r\n  public void testFizz() {\r\n    FizzBuzz fb = new FizzBuzz();\r\n    assertTrue(fb.say(3).equals("Fizz"));\r\n  }\r\n<\/pre>\n
    \u30c6\u30b9\u30c8\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u3001FizzBuzz\u30af\u30e9\u30b9\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n
    \r\npublic class FizzBuzz {\r\n  public String say(int i) {\r\n    if (i % 3 == 0) return "Fizz";\r\n    return String.valueOf(i);\r\n  }\r\n}\r\n<\/pre>\n
    test\u6570\u5b57() \u306b4\u3092\u8ffd\u52a0\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u307e\u307e\u30c6\u30b9\u30c8\u306b\u30d1\u30b9\u3057\u307e\u3059\u3002<\/p>\n
    \r\n  public void test\u6570\u5b57() {\r\n    FizzBuzz fb = new FizzBuzz();\r\n    assertTrue(fb.say(1).equals("1"));\r\n    assertTrue(fb.say(2).equals("2"));\r\n    assertTrue(fb.say(4).equals("4"));\r\n  }\r\n<\/pre>\n
    5\u306b\u5bfe\u3057\u3066Buzz\u3092\u8fd4\u3059\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u30c6\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n
    \r\n  @Test\r\n  public void testBuzz() {\r\n    FizzBuzz fb = new FizzBuzz();\r\n    assertTrue(fb.say(5).equals("Buzz"));\r\n  }\r\n<\/pre>\n
    \u30c6\u30b9\u30c8\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u3001FizzBuzz\u30af\u30e9\u30b9\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n
    \r\npublic class FizzBuzz {\r\n  public String say(int i) {\r\n    if (i % 3 == 0) return "Fizz";\r\n    if (i % 5 == 0) return "Buzz";\r\n    return String.valueOf(i);\r\n  }\r\n}\r\n<\/pre>\n
    \u3053\u308c\u30673\u306e\u500d\u6570\u30685\u306e\u500d\u6570\u306b\u306f\u5bfe\u5fdc\u3067\u304d\u305f\u306e\u3067\u3001\u6b21\u306f15\u306e\u500d\u6570\u306b\u95a2\u3059\u308b\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
    \r\n  @Test\r\n  public void testFizzBuzz() {\r\n    FizzBuzz fb = new FizzBuzz();\r\n    assertTrue(fb.say(15).equals("FizzBuzz"));\r\n  }\r\n<\/pre>\n
    \u30c6\u30b9\u30c8\u304c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u3001FizzBuzz\u30af\u30e9\u30b9\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n
    \r\npublic class FizzBuzz {\r\n  public String say(int i) {\r\n    if (i % 15 == 0) return "FizzBuzz";\r\n    if (i % 3 == 0) return "Fizz";\r\n    if (i % 5 == 0) return "Buzz";\r\n    return String.valueOf(i);\r\n  }\r\n}\r\n<\/pre>\n
    \u30ed\u30fc\u30de\u6570\u5b57\u5909\u63db<\/h4>\n
    \u30ed\u30fc\u30de\u6570\u5b57\u306e\u6587\u5b57\u5217\u3092\u6570\u5024\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \r\npublic class RomanSymbol {\r\n  public int toDecimal(String roman) {\r\n    return 0;\r\n  }\r\n}\r\n<\/pre>\n
    \u30c6\u30b9\u30c8\u3092\u66f8\u3044\u3066\u307f\u307e\u3059\u3002<\/p>\n
    \r\nimport static org.junit.Assert.assertTrue;\r\n\r\nimport org.junit.jupiter.api.Test;\r\n\r\npublic class RomanSymbolTest {\r\n  @Test\r\n  public void test1to3() {\r\n    RomanSymbol rs = new RomanSymbol();\r\n    assertTrue(rs.toDecimal("I") == 1);\r\n    assertTrue(rs.toDecimal("II") == 2);\r\n    assertTrue(rs.toDecimal("III") == 3);\r\n  }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
    JUnit\u3068\u3044\u3046\u30c6\u30b9\u30c6\u30a3\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3046\u3068\u3001Java\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u30ea\u30ba\u30e0\u3088\u304f\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3046\u308b\u3046\u5e74\u5224\u5b9a \u3046\u308b\u3046\u5e74\u5224\u5b9a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u3066\u307f\u3088\u3046\u3002 \u65b0\u898f\u30d5\u30a1\u30a4\u30eb\u300cLeapYear.j … <\/p>\n","protected":false},"author":1,"featured_media":60,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[15,11,14,16],"class_list":["post-42","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-abstract","tag-fizzbuzz","tag-java","tag-junit","tag-16"],"_links":{"self":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=42"}],"version-history":[{"count":5,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/42\/revisions"}],"predecessor-version":[{"id":48,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/posts\/42\/revisions\/48"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=\/wp\/v2\/media\/60"}],"wp:attachment":[{"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java.satoshis.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}