{"id":1180,"date":"2025-11-18T12:41:11","date_gmt":"2025-11-18T03:41:11","guid":{"rendered":"https:\/\/minna-systems.co.jp\/test\/?p=1180"},"modified":"2026-08-13T14:22:04","modified_gmt":"2026-08-13T05:22:04","slug":"test-coverage-c0-c1-c2","status":"publish","type":"post","link":"https:\/\/minna-systems.co.jp\/test\/test-management\/test-coverage\/test-coverage-c0-c1-c2\/","title":{"rendered":"\u3010\u30b3\u30fc\u30c9\u89e3\u8aac\u4ed8\u304d\u3011C0\/C1\/C2\/MCC\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306f\uff1f\u5206\u5c90\u7db2\u7f85\u30fb\u6761\u4ef6\u7db2\u7f85\u306e\u9055\u3044"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30c6\u30b9\u30c8\u3092\u3057\u3066\u3044\u308b\u3068\u5fc5\u305a\u51fa\u3066\u304f\u308b\u7591\u554f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u3069\u3053\u307e\u3067\u30c6\u30b9\u30c8\u3092\u3059\u308c\u3070\u5341\u5206\u306a\u306e\u304b\uff1f<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u304c <strong>\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\uff08Test Coverage\uff09<\/strong> \u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30c6\u30b9\u30c8\u73fe\u5834\u3067\u7279\u306b\u91cd\u8981\u306a 4 \u3064\u306e\u6307\u6a19<br><strong>C0\uff08\u547d\u4ee4\u7db2\u7f85\uff09 \/ C1\uff08\u5206\u5c90\u7db2\u7f85\uff09 \/ C2\uff08\u6761\u4ef6\u7db2\u7f85\uff09 \/ MCC\uff08\u8907\u5408\u6761\u4ef6\u7db2\u7f85\uff09<\/strong><br>\u3092\u3001\u3058\u3083\u3093\u3051\u3093\u5224\u5b9a\u30b3\u30fc\u30c9\u306e\u5b9f\u4f8b\u3092\u4ea4\u3048\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3042\u308f\u305b\u3066\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u6e2c\u5b9a\u30c4\u30fc\u30eb\u30fb\u76ee\u6a19\u5024\u306e\u6c7a\u3081\u65b9\u30fb\u73fe\u5834\u3067\u306e\u4f7f\u3044\u5206\u3051\u307e\u3067\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/minna-systems.co.jp\/test\/whitepaper\/software-testing-scope-strategy-guide-dl\/\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/11\/\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8.png\" alt=\"C0 C1 C2 \u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u9055\u3044\u3092\u89e3\u8aac\u3057\u305f\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u8cc7\u6599\u30a4\u30e1\u30fc\u30b8\" class=\"wp-image-1878\" style=\"width:486px;height:auto\" srcset=\"https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/11\/\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8.png 800w, https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/11\/\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8-300x169.png 300w, https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/11\/\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8-768x432.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306f\u3001\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u3046\u3061\u3069\u308c\u3060\u3051\u3092\u30c6\u30b9\u30c8\u3067\u304d\u305f\u304b\u3092\u6570\u5024\u3067\u793a\u3059\u6307\u6a19<\/strong>\u3067\u3059\u3002\u65e5\u672c\u8a9e\u3067\u306f\u300c\u7db2\u7f85\u7387\u300d\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30c6\u30b9\u30c8\u306f\u5341\u5206\u3084\u308a\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u5831\u544a\u306f\u4e3b\u89b3\u7684\u3067\u3001\u53d7\u3051\u624b\u306b\u3088\u3063\u3066\u89e3\u91c8\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u4f7f\u3046\u3068\u3001\u3053\u306e\u66d6\u6627\u3055\u3092<strong>\u300c\u5206\u5c90\u7db2\u7f85\u7387 85%\u300d\u306e\u3088\u3046\u306b\u5171\u901a\u306e\u7269\u5dee\u3057\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u308b<\/strong>\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u3001\u305d\u308c\u4ee5\u5916\u306e\u30ab\u30d0\u30ec\u30c3\u30b8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30ab\u30d0\u30ec\u30c3\u30b8\u300d\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u306f 1 \u7a2e\u985e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f55\u3092\u5206\u6bcd\u306b\u7f6e\u304f\u304b\u3067\u7a2e\u985e\u304c\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong>\uff1a\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u5206\u6bcd\u306b\u3059\u308b\u3002C0 \/ C1 \/ C2 \/ MCC \u306f\u3059\u3079\u3066\u3053\u308c\u306b\u5c5e\u3059\u308b<\/li>\n\n\n\n<li><strong>\u6a5f\u80fd\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong>\uff1a\u4ed5\u69d8\u66f8\u306b\u66f8\u304b\u308c\u305f\u6a5f\u80fd\u3092\u5206\u6bcd\u306b\u3059\u308b<\/li>\n\n\n\n<li><strong>\u8981\u6c42\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong>\uff1a\u8981\u4ef6\u5b9a\u7fa9\u66f8\u306e\u8981\u6c42\u9805\u76ee\u3092\u5206\u6bcd\u306b\u3059\u308b<\/li>\n\n\n\n<li><strong>\u696d\u52d9\u30b7\u30ca\u30ea\u30aa\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong>\uff1a\u5b9f\u969b\u306e\u696d\u52d9\u30d5\u30ed\u30fc\u3092\u5206\u6bcd\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C0\u301cMCC \u306f<strong>\u5358\u4f53\u30c6\u30b9\u30c8\uff08\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\uff09\u3067\u4f7f\u3046\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8<\/strong>\u3067\u3059\u3002\u7d50\u5408\u30c6\u30b9\u30c8\u3084\u30b7\u30b9\u30c6\u30e0\u30c6\u30b9\u30c8\u306e\u5341\u5206\u6027\u306f\u3001\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8\u3067\u306f\u6e2c\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u4e3b\u306b\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u6271\u3044\u3001\u6700\u5f8c\u306b\u305d\u308c\u4ee5\u5916\u306e\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u306e\u95a2\u4fc2\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C0 \/ C1 \/ C2 \/ MCC \u65e9\u898b\u8868<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u306b\u5168\u4f53\u50cf\u3092\u793a\u3057\u307e\u3059\u3002\u8a73\u7d30\u306f\u3053\u306e\u5f8c\u3001\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066 1 \u3064\u305a\u3064\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6307\u6a19<\/th><th>\u65e5\u672c\u8a9e\u540d<\/th><th>\u82f1\u8a9e\u540d<\/th><th>\u4f55\u3092\u7db2\u7f85\u3059\u308b\u304b<\/th><\/tr><\/thead><tbody><tr><td><strong>C0<\/strong><\/td><td>\u547d\u4ee4\u7db2\u7f85<\/td><td>Statement Coverage<\/td><td>\u3059\u3079\u3066\u306e\u5b9f\u884c\u6587\u3092 1 \u56de\u4ee5\u4e0a\u901a\u3059<\/td><\/tr><tr><td><strong>C1<\/strong><\/td><td>\u5206\u5c90\u7db2\u7f85<\/td><td>Branch \/ Decision Coverage<\/td><td>\u3059\u3079\u3066\u306e\u5206\u5c90\u3067 true \u3068 false \u306e\u4e21\u65b9\u3092\u901a\u3059<\/td><\/tr><tr><td><strong>C2<\/strong><\/td><td>\u6761\u4ef6\u7db2\u7f85<\/td><td>Condition Coverage<\/td><td>\u500b\u3005\u306e\u6761\u4ef6\u304c True \u3068 False \u306e\u4e21\u65b9\u306b\u306a\u308b<\/td><\/tr><tr><td><strong>MCC<\/strong><\/td><td>\u8907\u5408\u6761\u4ef6\u7db2\u7f85<\/td><td>Multiple Condition Coverage<\/td><td>\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u3059\u3079\u3066\u901a\u3059<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3058\u3083\u3093\u3051\u3093\u5224\u5b9a\u30b3\u30fc\u30c9\u3092\u4f8b\u306b\u30ab\u30d0\u30ec\u30c3\u30b8\u3092\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u300c\u3069\u306e\u90e8\u5206\u304c\u3069\u306e\u30ab\u30d0\u30ec\u30c3\u30b8\u306b\u95a2\u4fc2\u3059\u308b\u306e\u304b\u300d\u3092\u7406\u89e3\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u6d41\u308c\u3092\u628a\u63e1\u3057\u3066\u304a\u304f\u3068\u3001C0\u301cMCC \u306e\u9055\u3044\u304c\u4e00\u6c17\u306b\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>function janken($player1, $player2) {\n    $validHands = [&#39;rock&#39;, &#39;paper&#39;, &#39;scissors&#39;];\n\n    if (!in_array($player1, $validHands) || !in_array($player2, $validHands)) {\n        return &#39;invalid&#39;;\n    }\n\n    if ($player1 === $player2) {\n        return &#39;draw&#39;;\n    }\n\n    if (\n        ($player1 === &#39;rock&#39; && $player2 === &#39;scissors&#39;) ||\n        ($player1 === &#39;scissors&#39; && $player2 === &#39;paper&#39;) ||\n        ($player1 === &#39;paper&#39; && $player2 === &#39;rock&#39;)\n    ) {\n        return &#39;player1_wins&#39;;\n    }\n\n    return &#39;player2_wins&#39;;\n}\n<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30b3\u30fc\u30c9\u306e\u5224\u5b9a\u30d1\u30bf\u30fc\u30f3\uff084\u7a2e\u985e\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>invalid<\/code>: \u4e0d\u6b63\u5165\u529b\uff08\u624b\u304c rock\/paper\/scissors \u3067\u306a\u3044\uff09<\/li>\n\n\n\n<li><code>draw<\/code>: \u5f15\u304d\u5206\u3051\uff08\u624b\u304c\u540c\u3058\uff09<\/li>\n\n\n\n<li><code>player1_wins<\/code>: \u30d7\u30ec\u30a4\u30e4\u30fc1\u306e\u52dd\u3061<\/li>\n\n\n\n<li><code>player2_wins<\/code>: \u30d7\u30ec\u30a4\u30e4\u30fc2\u306e\u52dd\u3061<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e 4 \u7a2e\u985e\u306e\u7d50\u679c\u304c\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u8a2d\u8a08\u306e\u4e2d\u5fc3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C0\uff08\u547d\u4ee4\u7db2\u7f85 \/ Statement Coverage\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C0 \u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u3001\u6700\u3082\u57fa\u672c\u7684\u3067\u30b7\u30f3\u30d7\u30eb\u306a\u30ab\u30d0\u30ec\u30c3\u30b8\u6307\u6a19\u3067\u3059\u3002<br>\u307e\u305a\u306f\u3053\u3053\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u300c\u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u8003\u3048\u65b9\u300d\u306b\u6163\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C0 \u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C0 \u306f <strong>\u30b3\u30fc\u30c9\u5185\u306e\u3059\u3079\u3066\u306e\u547d\u4ee4\uff08\u5b9f\u884c\u6587\uff09\u3092\u5c11\u306a\u304f\u3068\u3082 1 \u56de\u5b9f\u884c\u3059\u308b<\/strong> \u3068\u3044\u3046\u57fa\u6e96\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>\u6570\u3048\u308b\u306e\u306f\u300c\u5b9f\u884c\u3055\u308c\u305f\u6587\u300d\u3067\u3042\u3063\u3066\u300c\u901a\u3063\u305f\u5206\u5c90\u300d\u3067\u306f\u306a\u3044<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<code>if<\/code> \u6587\u306e\u6761\u4ef6\u5f0f\u304c\u8a55\u4fa1\u3055\u308c\u308c\u3070\u3001\u305d\u306e <code>if<\/code> \u884c\u81ea\u4f53\u306f\u5b9f\u884c\u6e08\u307f\u3068\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057 <code>if<\/code> \u306e\u30d6\u30ed\u30c3\u30af\u5185\u306b\u3042\u308b\u6587\u306f\u3001\u5b9f\u969b\u306b\u4e2d\u3078\u5165\u3089\u306a\u3051\u308c\u3070\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1 \u30b1\u30fc\u30b9\u3067\u306f C0 \u3092\u9054\u6210\u3067\u304d\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304c\u6700\u521d\u306e\u3064\u307e\u305a\u304d\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u6b21\u306e 1 \u30b1\u30fc\u30b9\u3060\u3051\u3092\u5b9f\u884c\u3057\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>janken(&#39;rock&#39;, &#39;scissors&#39;); \/\/ \u7d50\u679c: player1_wins<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3068\u304d\u3001\u5b9f\u884c\u3055\u308c\u305f\u6587\u3068\u5b9f\u884c\u3055\u308c\u306a\u304b\u3063\u305f\u6587\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2705 <code>$validHands = [...]<\/code>\uff1a\u5b9f\u884c\u3055\u308c\u305f<\/li>\n\n\n\n<li>\u2705 3 \u3064\u306e <code>if<\/code> \u306e\u6761\u4ef6\u5f0f\uff1a\u3059\u3079\u3066\u8a55\u4fa1\u3055\u308c\u305f<\/li>\n\n\n\n<li>\u2705 <code>return &#39;player1_wins&#39;;<\/code>\uff1a\u5b9f\u884c\u3055\u308c\u305f<\/li>\n\n\n\n<li>\u274c <code>return &#39;invalid&#39;;<\/code>\uff1a<strong>\u672a\u5b9f\u884c<\/strong><\/li>\n\n\n\n<li>\u274c <code>return &#39;draw&#39;;<\/code>\uff1a<strong>\u672a\u5b9f\u884c<\/strong><\/li>\n\n\n\n<li>\u274c <code>return &#39;player2_wins&#39;;<\/code>\uff1a<strong>\u672a\u5b9f\u884c<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">4 \u3064\u3042\u308b <code>return<\/code> \u306e\u3046\u3061 1 \u3064\u3057\u304b\u5b9f\u884c\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001<strong>C0 \u306f\u672a\u9054\u6210<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cC0 \u306f 1 \u30b1\u30fc\u30b9\u3067\u9054\u6210\u3067\u304d\u308b\u300d\u3068\u8aac\u660e\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u304c\u6210\u308a\u7acb\u3064\u306e\u306f <code>return<\/code> \u3084 <code>throw<\/code> \u306b\u3088\u308b<strong>\u9014\u4e2d\u7d42\u4e86\u304c\u306a\u3044\u30b3\u30fc\u30c9\u306b\u9650\u3089\u308c\u307e\u3059<\/strong>\u3002\u5b9f\u52d9\u306e\u30b3\u30fc\u30c9\u306f\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u3092\u591a\u7528\u3059\u308b\u305f\u3081\u3001\u3053\u306e\u524d\u63d0\u306f\u307b\u3068\u3093\u3069\u6210\u308a\u7acb\u3061\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u306e\u30b3\u30fc\u30c9\u3067 C0 \u3092\u9054\u6210\u3059\u308b\u306b\u306f 4 \u30b1\u30fc\u30b9\u5fc5\u8981<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4 \u3064\u306e <code>return<\/code> \u3092\u3059\u3079\u3066\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u6700\u4f4e 4 \u30b1\u30fc\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>janken(&#39;invalid&#39;, &#39;rock&#39;);   \/\/ return &#39;invalid&#39; \u3092\u5b9f\u884c\njanken(&#39;rock&#39;, &#39;rock&#39;);       \/\/ return &#39;draw&#39; \u3092\u5b9f\u884c\njanken(&#39;rock&#39;, &#39;scissors&#39;);   \/\/ return &#39;player1_wins&#39; \u3092\u5b9f\u884c\njanken(&#39;rock&#39;, &#39;paper&#39;);      \/\/ return &#39;player2_wins&#39; \u3092\u5b9f\u884c<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">C0 \u306e\u672c\u8cea\uff08\u3053\u3053\u304c\u8d85\u91cd\u8981\uff09<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>C0 = \u3059\u3079\u3066\u306e\u5b9f\u884c\u6587\u3092\u4e00\u5ea6\u3067\u3082\u901a\u3059\u3053\u3068\u3002<br>\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3067\u306f\u3001C0 \u306e\u9054\u6210\u306b\u5fc5\u8981\u306a\u30b1\u30fc\u30b9\u6570\u306f C1 \u3068\u307b\u307c\u540c\u3058\u306b\u306a\u308b\u3002<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">C0 \u306f\u7c21\u5358\u306b\u9054\u6210\u3067\u304d\u305d\u3046\u306b\u898b\u3048\u3066\u3001\u5b9f\u306f\u300cearly return\uff08\u9014\u4e2d return\uff09\u300d\u306b\u3088\u3063\u3066\u672a\u5b9f\u884c\u306e\u547d\u4ee4\u304c\u6b8b\u308a\u3084\u3059\u3044\u306e\u304c\u96e3\u70b9\u3067\u3059\u3002<strong>C0 \u304c 100% \u3067\u306a\u3044\u30b3\u30fc\u30c9\u306f\u3001\u305d\u3082\u305d\u3082\u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u51e6\u7406\u304c\u6b8b\u3063\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001\u6700\u4f4e\u30e9\u30a4\u30f3\u3068\u3057\u3066\u5fc5\u305a\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C1\uff08\u5206\u5c90\u7db2\u7f85 \/ Branch\u30fbDecision Coverage\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C1 \u306f\u3001\u73fe\u5834\u3067\u6700\u3082\u3088\u304f\u5229\u7528\u3055\u308c\u308b\u30ab\u30d0\u30ec\u30c3\u30b8\u57fa\u6e96\u3067\u3059\u3002<br>\u300c\u3053\u306e\u7a0b\u5ea6\u306f\u6700\u4f4e\u3084\u3063\u3066\u304a\u304d\u305f\u3044\u300d\u3068\u3044\u3046\u3001\u591a\u304f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6a19\u6e96\u30e9\u30a4\u30f3\u3067\u3059\u3002\u30c7\u30b7\u30b8\u30e7\u30f3\u30ab\u30d0\u30ec\u30c3\u30b8\uff08\u5224\u5b9a\u6761\u4ef6\u7db2\u7f85\uff09\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C1 \u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C1 \u306f <strong>\u3059\u3079\u3066\u306e\u5206\u5c90\uff08if \u6587\uff09\u3067 true \u3068 false \u306e\u4e21\u65b9\u3092\u901a\u3059<\/strong> \u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br>C0 \u3068\u9055\u3063\u3066\u3001\u300c\u6761\u4ef6\u5f0f\u304c\u6700\u7d42\u7684\u306b\u3069\u3061\u3089\u306b\u8ee2\u3093\u3060\u304b\u300d\u307e\u3067\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C1 \u306f\u6700\u5c0f 4 \u30b1\u30fc\u30b9\u3067\u9054\u6210\u53ef\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4 \u3064\u306e\u7d50\u679c\u3059\u3079\u3066\u3092\u6700\u4f4e 1 \u56de\u305a\u3064\u901a\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>invalid<\/li>\n\n\n\n<li>draw<\/li>\n\n\n\n<li>player1_wins<\/li>\n\n\n\n<li>player2_wins<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\uff1aC1 \u3092\u6e80\u305f\u3059 4 \u30b1\u30fc\u30b9<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>janken(&#39;invalid&#39;, &#39;rock&#39;);   \/\/ if1: true\njanken(&#39;rock&#39;, &#39;rock&#39;);       \/\/ if1: false \/ if2: true\njanken(&#39;rock&#39;, &#39;scissors&#39;);   \/\/ if2: false \/ if3: true\njanken(&#39;rock&#39;, &#39;paper&#39;);      \/\/ if3: false<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306b\u3088\u308a\u3001\u5168\u3066\u306e if \u304c true \u3082 false \u3082\u901a\u308a\u307e\u3059\u3002<strong>\u3053\u306e\u30b3\u30fc\u30c9\u3067\u306f C0 \u3068 C1 \u304c\u540c\u3058 4 \u30b1\u30fc\u30b9\u3067\u9054\u6210\u3055\u308c\u307e\u3059<\/strong>\u304c\u3001\u3053\u308c\u306f\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u304c\u591a\u3044\u30b3\u30fc\u30c9\u7279\u6709\u306e\u6027\u8cea\u3067\u3059\u3002<code>if<\/code> \u306e\u4e2d\u306b\u8907\u6570\u884c\u306e\u51e6\u7406\u304c\u3042\u308b\u30b3\u30fc\u30c9\u3067\u306f\u3001C0 \u306e\u307b\u3046\u304c\u5c11\u306a\u3044\u30b1\u30fc\u30b9\u6570\u3067\u9054\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C1 \u306e\u5f31\u70b9\uff1a\u8907\u96d1\u306a\u6761\u4ef6\u306e\u5185\u90e8\u306f\u7db2\u7f85\u3067\u304d\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">player1 \u52dd\u5229\u6761\u4ef6\u306b\u306f 3 \u7a2e\u985e\u3042\u308a\u307e\u3059\u304c\u3001C1 \u3067\u306f 1 \u7a2e\u985e\u901a\u308c\u3070 OK \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rock \u2192 scissors<\/li>\n\n\n\n<li>scissors \u2192 paper<\/li>\n\n\n\n<li>paper \u2192 rock<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a <code>scissors \u2192 paper<\/code> \u306e\u5224\u5b9a\u306b\u30d0\u30b0\u304c\u3042\u3063\u3066\u3082\u3001C1 100% \u306e\u307e\u307e\u898b\u9003\u3055\u308c\u307e\u3059\u3002\u300c\u5185\u90e8\u306e\u6761\u4ef6\u307e\u3067\u306f\u691c\u8a3c\u3067\u304d\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c C1 \u306e\u9650\u754c\u3067\u3059\u3002\u3053\u3053\u3092\u57cb\u3081\u308b\u306e\u304c\u6b21\u306e C2 \u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C2\uff08\u6761\u4ef6\u7db2\u7f85 \/ Condition Coverage\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C2 \u306f\u3001<code>||<\/code> \u3084 <code>&&<\/code> \u3067\u7d50\u3070\u308c\u305f<strong>\u500b\u3005\u306e\u6761\u4ef6<\/strong>\u306b\u7740\u76ee\u3059\u308b\u30ab\u30d0\u30ec\u30c3\u30b8\u3067\u3059\u3002<strong>C1 \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C2 \u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C2 \u306f&nbsp;<strong>\u3059\u3079\u3066\u306e\u6761\u4ef6\u5f0f\u306b\u3064\u3044\u3066\u3001\u5404\u6761\u4ef6\u304c\u5c11\u306a\u304f\u3068\u3082 1 \u56de True \u3068 1 \u56de False \u306b\u306a\u308b\u3088\u3046\u306b\u30c6\u30b9\u30c8<\/strong>&nbsp;\u3057\u307e\u3059\u3002<br>\u8907\u5408\u6761\u4ef6\uff08OR \u3084 AND\uff09\u3092\u6301\u3064 if \u304c\u3042\u308b\u5834\u5408\u3001\u305d\u306e\u500b\u3005\u306e\u6761\u4ef6\u306e\u771f\u507d\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u304c\u3001<strong>\u3059\u3079\u3066\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91cd\u8981\uff1a<\/strong>&nbsp;C2 \u3068\u8907\u5408\u6761\u4ef6\u7db2\u7f85\uff08MCC\uff09\u306f\u7570\u306a\u308a\u307e\u3059\u3002C2 \u306f\u5404\u6761\u4ef6\u304c True\/False \u306b\u306a\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C2 \u3092\u6e80\u305f\u3059\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3058\u3083\u3093\u3051\u3093\u306e\u4f8b\u3067\u6761\u4ef6\u3092\u6570\u3048\u308b\u3068\u3001if1 \u304c 2 \u6761\u4ef6\u3001if2 \u304c 1 \u6761\u4ef6\u3001if3 \u304c 3 \u6761\u4ef6\u3067\u3001\u5408\u8a08 6 \u6761\u4ef6\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3092 True \u3068 False \u306e\u4e21\u65b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001<strong>\u6700\u5c0f 7 \u30b1\u30fc\u30b9<\/strong>\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>\/\/ \u3010if1: \u5165\u529b\u30c1\u30a7\u30c3\u30af\u30112\u6761\u4ef6\njanken(&#39;invalid&#39;, &#39;rock&#39;);     \/\/ \u7b2c1\u6761\u4ef6 True\njanken(&#39;rock&#39;, &#39;invalid&#39;);     \/\/ \u7b2c1\u6761\u4ef6 False \/ \u7b2c2\u6761\u4ef6 True\njanken(&#39;rock&#39;, &#39;scissors&#39;);    \/\/ \u7b2c1\u6761\u4ef6 False \/ \u7b2c2\u6761\u4ef6 False\n\n\/\/ \u3010if2: \u5f15\u304d\u5206\u3051\u30c1\u30a7\u30c3\u30af\u30111\u6761\u4ef6\njanken(&#39;rock&#39;, &#39;rock&#39;);        \/\/ \u6761\u4ef6 True\uff08False \u306f\u4e0a\u306e\u30b1\u30fc\u30b9\u3067\u5145\u8db3\uff09\n\n\/\/ \u3010if3: \u30d7\u30ec\u30a4\u30e4\u30fc1\u52dd\u5229\u30c1\u30a7\u30c3\u30af\u30113\u6761\u4ef6\njanken(&#39;rock&#39;, &#39;scissors&#39;);    \/\/ \u7b2c1\u6761\u4ef6 True\njanken(&#39;scissors&#39;, &#39;paper&#39;);   \/\/ \u7b2c2\u6761\u4ef6 True\njanken(&#39;paper&#39;, &#39;rock&#39;);       \/\/ \u7b2c3\u6761\u4ef6 True\njanken(&#39;rock&#39;, &#39;paper&#39;);       \/\/ 3\u6761\u4ef6\u3059\u3079\u3066 False<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code>janken(&#39;rock&#39;, &#39;scissors&#39;)<\/code> \u304c if1 \u3068 if3 \u306e\u4e21\u65b9\u3067\u4f7f\u3048\u308b\u305f\u3081\u3001\u30e6\u30cb\u30fc\u30af\u306a\u30b1\u30fc\u30b9\u6570\u306f 7 \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u843d\u3068\u3057\u7a74\uff1a\u77ed\u7d61\u8a55\u4fa1\uff08\u30b7\u30e7\u30fc\u30c8\u30b5\u30fc\u30ad\u30c3\u30c8\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PHP\u30fbJava\u30fbJavaScript \u306a\u3069\u306e <code>||<\/code> \u3068 <code>&&<\/code> \u306f<strong>\u77ed\u7d61\u8a55\u4fa1<\/strong>\u3055\u308c\u307e\u3059\u3002\u5de6\u5074\u3060\u3051\u3067\u7d50\u679c\u304c\u78ba\u5b9a\u3059\u308b\u3068\u3001\u53f3\u5074\u306e\u6761\u4ef6\u306f<strong>\u305d\u3082\u305d\u3082\u8a55\u4fa1\u3055\u308c\u307e\u305b\u3093<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u4f8b\u3067 <code>janken(&#39;invalid&#39;, &#39;rock&#39;)<\/code> \u3092\u5b9f\u884c\u3059\u308b\u3068\u3001if1 \u306e\u7b2c1\u6761\u4ef6\u304c True \u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u7b2c2\u6761\u4ef6\u306f\u8a55\u4fa1\u3055\u308c\u305a\u306b\u7d42\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u300c\u6761\u4ef6\u3092\u66f8\u3044\u305f\u306e\u306b\u4e00\u5ea6\u3082\u8a55\u4fa1\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u72b6\u614b\u304c\u8d77\u3053\u308a\u3046\u308b\u3002<\/strong><br>C2 \u306e\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u3068\u304d\u306f\u3001\u72d9\u3063\u305f\u6761\u4ef6\u304c\u672c\u5f53\u306b\u8a55\u4fa1\u3055\u308c\u308b\u9806\u5e8f\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u30ab\u30d0\u30ec\u30c3\u30b8\u8a08\u6e2c\u30c4\u30fc\u30eb\u306e\u6570\u5024\u304c\u60f3\u5b9a\u3068\u98df\u3044\u9055\u3046\u4ee3\u8868\u7684\u306a\u539f\u56e0\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C2 \u306e\u91cd\u8981\u306a\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C2 \u3060\u3051\u3067\u306f C1 \u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001<code>if (A || B)<\/code>&nbsp;\u3068\u3044\u3046\u6761\u4ef6\u3067\u4ee5\u4e0b\u306e\u30c6\u30b9\u30c8\u3092\u3057\u305f\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>(A=True, B=False) \u2192 \u5168\u4f53\u306f True<\/li>\n\n\n\n<li>(A=False, B=True) \u2192 \u5168\u4f53\u306f True<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5834\u5408\u3001A \u3068 B \u306f\u4e21\u65b9 True\/False \u3092\u7d4c\u9a13\u3057\u3066\u3044\u307e\u3059\u304c\uff08C2 \u9054\u6210\uff09\u3001if \u6587\u5168\u4f53\u304c False \u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u30c6\u30b9\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\uff08C1 \u672a\u9054\u6210\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9f\u52d9\u3067\u306f\u300cC1\/C2 \u30ab\u30d0\u30ec\u30c3\u30b8\u300d\u3068\u3057\u3066\u4e21\u65b9\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">MCC\uff08\u8907\u5408\u6761\u4ef6\u7db2\u7f85 \/ Multiple Condition Coverage\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MCC \u306f\u3001\u3082\u3063\u3068\u3082\u53b3\u5bc6\u3067\u300c\u30c6\u30b9\u30c8\u6f0f\u308c\u3092\u6975\u9650\u307e\u3067\u6e1b\u3089\u3059\u300d\u30ab\u30d0\u30ec\u30c3\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n<h3 id=\"index_id15\" class=\"wp-block-heading\">MCC \u306e\u5b9a\u7fa9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MCC\uff08Multiple Condition Coverage\uff09\u306f&nbsp;<strong>\u6761\u4ef6\u5f0f\u306b\u542b\u307e\u308c\u308b\u3059\u3079\u3066\u306e\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u7db2\u7f85<\/strong>&nbsp;\u3057\u307e\u3059\u3002<br>\u8907\u5408\u6761\u4ef6\uff08OR \u3084 AND\uff09\u3092\u6301\u3064 if \u304c\u3042\u308b\u5834\u5408\u3001\u305d\u306e\u5185\u90e8\u306e\u771f\u507d\u30d1\u30bf\u30fc\u30f3\u3092\u3059\u3079\u3066\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C2 \u3068\u306e\u9055\u3044\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C2<\/strong>\uff1a\u5404\u6761\u4ef6\u304c\u5c11\u306a\u304f\u3068\u3082 1 \u56de True\/False\uff08\u7d44\u307f\u5408\u308f\u305b\u306f\u4e0d\u8981\uff09<\/li>\n\n\n\n<li><strong>MCC<\/strong>\uff1a\u3059\u3079\u3066\u306e\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">MCC \u304c\u91cd\u3044\u7406\u7531\uff1a\u7d44\u307f\u5408\u308f\u305b\u304c\u6307\u6570\u7684\u306b\u5897\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6761\u4ef6\u304c n \u500b\u3042\u308c\u3070\u3001\u7d44\u307f\u5408\u308f\u305b\u306f <strong>2 \u306e n \u4e57<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002\u3058\u3083\u3093\u3051\u3093\u306e\u4f8b\u3067\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5206\u5c90<\/th><th>\u6761\u4ef6\u6570<\/th><th>\u8ad6\u7406\u7684\u306a\u7d44\u307f\u5408\u308f\u305b<\/th><th>\u5b9f\u969b\u306b\u5230\u9054\u53ef\u80fd<\/th><\/tr><\/thead><tbody><tr><td>if1\uff08\u5165\u529b\u30c1\u30a7\u30c3\u30af\uff09<\/td><td>2<\/td><td>4 \u901a\u308a<\/td><td>4 \u901a\u308a<\/td><\/tr><tr><td>if2\uff08\u5f15\u304d\u5206\u3051\uff09<\/td><td>1<\/td><td>2 \u901a\u308a<\/td><td>2 \u901a\u308a<\/td><\/tr><tr><td>if3\uff08player1 \u52dd\u5229\uff09<\/td><td>3<\/td><td>8 \u901a\u308a<\/td><td>4 \u901a\u308a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">if3 \u304c 8 \u901a\u308a\u3067\u306f\u306a\u304f 4 \u901a\u308a\u306a\u306e\u306f\u3001<strong>3 \u3064\u306e\u6761\u4ef6\u304c\u540c\u6642\u306b True \u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u3048\u306a\u3044<\/strong>\u305f\u3081\u3067\u3059\u3002\u300c\u30b0\u30fc\u304c\u30c1\u30e7\u30ad\u306b\u52dd\u3064\u300d\u3068\u300c\u30c1\u30e7\u30ad\u304c\u30d1\u30fc\u306b\u52dd\u3064\u300d\u306f\u540c\u3058 1 \u56de\u306e\u3058\u3083\u3093\u3051\u3093\u3067\u306f\u4e21\u7acb\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>MCC \u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u306f\u300c\u8ad6\u7406\u7684\u306b\u306f\u5b58\u5728\u3059\u308b\u304c\u3001\u5b9f\u969b\u306b\u306f\u5230\u9054\u3067\u304d\u306a\u3044\u300d\u30d1\u30bf\u30fc\u30f3\u304c\u542b\u307e\u308c\u308b\u3002<\/strong><br>\u5230\u9054\u4e0d\u80fd\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u7121\u7406\u306b\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u30b1\u30fc\u30b9\u8a2d\u8a08\u304c\u7834\u7dbb\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u9054\u53ef\u80fd\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u7db2\u7f85\u3059\u308b\u3068\u3001\u6b21\u306e 12 \u30b1\u30fc\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-php\" data-lang=\"PHP\"><code>\/\/ \u3010\u5165\u529b\u30c1\u30a7\u30c3\u30af\u30113\u30b1\u30fc\u30b9\njanken(&#39;invalid&#39;, &#39;invalid&#39;);  \/\/ \u4e21\u65b9\u7121\u52b9\njanken(&#39;invalid&#39;, &#39;rock&#39;);     \/\/ player1\u7121\u52b9\njanken(&#39;rock&#39;, &#39;invalid&#39;);     \/\/ player2\u7121\u52b9\n\n\/\/ \u3010\u5f15\u304d\u5206\u3051\u30113\u30b1\u30fc\u30b9\njanken(&#39;rock&#39;, &#39;rock&#39;);        \/\/ \u30b0\u30fc\u540c\u58eb\njanken(&#39;paper&#39;, &#39;paper&#39;);      \/\/ \u30d1\u30fc\u540c\u58eb\njanken(&#39;scissors&#39;, &#39;scissors&#39;);\/\/ \u30c1\u30e7\u30ad\u540c\u58eb\n\n\/\/ \u3010\u30d7\u30ec\u30a4\u30e4\u30fc1\u52dd\u5229\u30113\u30b1\u30fc\u30b9\njanken(&#39;rock&#39;, &#39;scissors&#39;);    \/\/ \u30b0\u30fc &gt; \u30c1\u30e7\u30ad\njanken(&#39;scissors&#39;, &#39;paper&#39;);   \/\/ \u30c1\u30e7\u30ad &gt; \u30d1\u30fc\njanken(&#39;paper&#39;, &#39;rock&#39;);       \/\/ \u30d1\u30fc &gt; \u30b0\u30fc\n\n\/\/ \u3010\u30d7\u30ec\u30a4\u30e4\u30fc2\u52dd\u5229\u30113\u30b1\u30fc\u30b9\njanken(&#39;rock&#39;, &#39;paper&#39;);       \/\/ \u30d1\u30fc &gt; \u30b0\u30fc\njanken(&#39;paper&#39;, &#39;scissors&#39;);   \/\/ \u30c1\u30e7\u30ad &gt; \u30d1\u30fc\njanken(&#39;scissors&#39;, &#39;rock&#39;);    \/\/ \u30b0\u30fc &gt; \u30c1\u30e7\u30ad<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u307b\u3069\u7d44\u307f\u5408\u308f\u305b\u304c\u5897\u3048\u3001\u30c6\u30b9\u30c8\u30b3\u30b9\u30c8\u304c\u91cd\u304f\u306a\u308b\u306e\u304c MCC \u306e\u7279\u5fb4\u3067\u3059\u3002\u6761\u4ef6\u304c 5 \u500b\u3042\u308c\u3070 32 \u901a\u308a\u300110 \u500b\u3042\u308c\u3070 1,024 \u901a\u308a\u306b\u306a\u308b\u305f\u3081\u3001<strong>\u30b3\u30fc\u30c9\u5168\u4f53\u306b\u9069\u7528\u3059\u308b\u306e\u306f\u975e\u73fe\u5b9f\u7684<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C0 \/ C1 \/ C2 \/ MCC \u306e\u9055\u3044\u3092\u307e\u3068\u3081\u3066\u7406\u89e3\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8\u6307\u6a19\u306f\u3001\u7db2\u7f85\u6027\u3068\u30b3\u30b9\u30c8\u306e\u30d0\u30e9\u30f3\u30b9\u3067\u9078\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5fc5\u8981\u30b1\u30fc\u30b9\u6570\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u3058\u3083\u3093\u3051\u3093\u30b3\u30fc\u30c9\u3092\u5bfe\u8c61\u306b\u3057\u305f\u5834\u5408\u306e\u6570\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30ab\u30d0\u30ec\u30c3\u30b8<\/th><th>\u5185\u5bb9<\/th><th>\u5fc5\u8981\u30b1\u30fc\u30b9\u6570<\/th><th>\u7279\u5fb4<\/th><th>\u5b9f\u52d9\u3067\u306e\u7528\u9014<\/th><\/tr><\/thead><tbody><tr><td><strong>C0<\/strong><\/td><td>\u3059\u3079\u3066\u306e\u5b9f\u884c\u6587\u3092 1 \u56de\u4ee5\u4e0a\u901a\u3059<\/td><td>4<\/td><td>\u6700\u5c0f\u30fb\u7c21\u5358<\/td><td>\u52d5\u4f5c\u78ba\u8a8d\u3001\u6700\u4f4e\u9650\u306e\u54c1\u8cea\u4fdd\u8a3c<\/td><\/tr><tr><td><strong>C1<\/strong><\/td><td>\u3059\u3079\u3066\u306e\u5206\u5c90\u3067 true\/false \u3092\u901a\u3059<\/td><td>4<\/td><td>\u30d0\u30e9\u30f3\u30b9\u826f<\/td><td>\u307b\u307c\u6a19\u6e96\u7684\u306a\u54c1\u8cea\u78ba\u4fdd<\/td><\/tr><tr><td><strong>C2<\/strong><\/td><td>\u5404\u6761\u4ef6\u304c\u5c11\u306a\u304f\u3068\u30821\u56deTrue\/False<\/td><td>7<\/td><td>\u500b\u3005\u306e\u6761\u4ef6\u306b\u7740\u76ee<\/td><td>\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u306e\u691c\u8a3c\uff08C1\u3068\u7d44\u307f\u5408\u308f\u305b\u63a8\u5968\uff09<\/td><\/tr><tr><td><strong>MCC<\/strong><\/td><td>\u6761\u4ef6\u306e\u5168\u7d44\u307f\u5408\u308f\u305b\u3092\u901a\u3059<\/td><td>12<\/td><td>\u3082\u3063\u3068\u3082\u53b3\u5bc6<\/td><td>\u91d1\u984d\u8a08\u7b97\u3001\u6a29\u9650\u30ed\u30b8\u30c3\u30af\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7cfb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7db2\u7f85\u6027\u306e\u5f37\u3055\u306f <strong>C0 &lt; C1 &lt; MCC<\/strong> \u306e\u9806\u3067\u3059\u3002C2 \u306f C1 \u3068\u306f\u5225\u306e\u8ef8\u3092\u898b\u3066\u3044\u308b\u305f\u3081\u3001\u5358\u7d14\u306a\u4e0a\u4e0b\u95a2\u4fc2\u306b\u306f\u306a\u308a\u307e\u305b\u3093\uff08C2 \u3092\u6e80\u305f\u3057\u3066\u3082 C1 \u3092\u6e80\u305f\u3055\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b\u306e\u306f\u524d\u8ff0\u306e\u3068\u304a\u308a\u3067\u3059\uff09\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ab\u30d0\u30ec\u30c3\u30b8\u306e\u6e2c\u5b9a\u65b9\u6cd5\u3068\u30c4\u30fc\u30eb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u624b\u4f5c\u696d\u3067\u6570\u3048\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u8a08\u6e2c\u30c4\u30fc\u30eb\u3092\u5358\u4f53\u30c6\u30b9\u30c8\u3068\u4e00\u7dd2\u306b\u5b9f\u884c\u3057\u3066\u81ea\u52d5\u3067\u7b97\u51fa<\/strong>\u3057\u307e\u3059\u3002\u4e3b\u8981\u8a00\u8a9e\u306e\u30c4\u30fc\u30eb\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8a00\u8a9e<\/th><th>\u4ee3\u8868\u7684\u306a\u30c4\u30fc\u30eb<\/th><th>\u6e2c\u5b9a\u3067\u304d\u308b\u4e3b\u306a\u6307\u6a19<\/th><\/tr><\/thead><tbody><tr><td>Java<\/td><td>JaCoCo<\/td><td>C0 \/ C1<\/td><\/tr><tr><td>PHP<\/td><td>Xdebug + PHPUnit<\/td><td>C0 \/ C1<\/td><\/tr><tr><td>JavaScript \/ TypeScript<\/td><td>Istanbul\uff08nyc\uff09\u3001Vitest<\/td><td>C0 \/ C1 \/ \u95a2\u6570\u30fb\u884c\u30ab\u30d0\u30ec\u30c3\u30b8<\/td><\/tr><tr><td>Python<\/td><td>coverage.py\u3001pytest-cov<\/td><td>C0 \/ C1<\/td><\/tr><tr><td>C \/ C++<\/td><td>gcov\u3001lcov<\/td><td>C0 \/ C1<\/td><\/tr><tr><td>C#<\/td><td>Coverlet\u3001dotCover<\/td><td>C0 \/ C1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c4\u30fc\u30eb\u306e\u7528\u8a9e\u306b\u6ce8\u610f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30c4\u30fc\u30eb\u306f <strong>C0 \u3092\u300cStatement\uff08\u884c\uff09\u30ab\u30d0\u30ec\u30c3\u30b8\u300d\u3001C1 \u3092\u300cBranch \u30ab\u30d0\u30ec\u30c3\u30b8\u300d<\/strong>\u3068\u8868\u8a18\u3057\u307e\u3059\u3002\u300cC0\/C1\u300d\u3068\u3044\u3046\u547c\u3073\u65b9\u306f\u65e5\u672c\u306e\u958b\u767a\u73fe\u5834\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u4e00\u65b9\u3001\u30c4\u30fc\u30eb\u306e\u30ec\u30dd\u30fc\u30c8\u753b\u9762\u306b\u306f\u51fa\u3066\u3053\u306a\u3044\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001<strong>C2 \u3084 MCC \u3092\u6a19\u6e96\u3067\u6e2c\u5b9a\u3067\u304d\u308b\u30c4\u30fc\u30eb\u306f\u591a\u304f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u3053\u308c\u3089\u306f\u8a08\u6e2c\u30c4\u30fc\u30eb\u306b\u983c\u3089\u305a\u3001\u30c6\u30b9\u30c8\u8a2d\u8a08\u306e\u6bb5\u968e\u3067\u610f\u56f3\u7684\u306b\u30b1\u30fc\u30b9\u3092\u8d77\u3053\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CI \u306b\u7d44\u307f\u8fbc\u3093\u3067\u521d\u3081\u3066\u6a5f\u80fd\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u4e00\u5ea6\u6e2c\u3063\u3066\u7d42\u308f\u308a\u306b\u3059\u308b\u3068\u5f62\u9ab8\u5316\u3057\u307e\u3059\u3002GitHub Actions \u3084 Jenkins \u306a\u3069\u306e CI \u306b\u7d44\u307f\u8fbc\u307f\u3001<strong>\u300c\u30ab\u30d0\u30ec\u30c3\u30b8\u304c\u57fa\u6e96\u5024\u3092\u4e0b\u56de\u3063\u305f\u3089\u30de\u30fc\u30b8\u3067\u304d\u306a\u3044\u300d\u4ed5\u7d44\u307f<\/strong>\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u306f\u3058\u3081\u3066\u54c1\u8cea\u306e\u6b6f\u6b62\u3081\u3068\u3057\u3066\u50cd\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ab\u30d0\u30ec\u30c3\u30b8\u76ee\u6a19\u5024\u306e\u6c7a\u3081\u65b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u306a\u305c 100% \u3092\u76ee\u6307\u3055\u306a\u3044\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8 100% \u306f\u7406\u60f3\u7684\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u52d9\u3067\u306f\u63a8\u5968\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u7406\u7531\u306f 3 \u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30b9\u30c8\u304c\u6025\u6fc0\u306b\u5897\u3048\u308b<\/strong>\uff1a80% \u304b\u3089 100% \u306b\u4e0a\u3052\u308b\u52b4\u529b\u306f\u30010% \u304b\u3089 80% \u306b\u4e0a\u3052\u308b\u52b4\u529b\u3092\u4e0a\u56de\u308b\u3053\u3068\u304c\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093<\/li>\n\n\n\n<li><strong>\u5230\u9054\u4e0d\u80fd\u306a\u30b3\u30fc\u30c9\u304c\u3042\u308b<\/strong>\uff1a\u4f8b\u5916\u51e6\u7406\u3084\u9632\u5fa1\u7684\u306a\u30b3\u30fc\u30c9\u306b\u306f\u3001\u901a\u5e38\u306e\u5b9f\u884c\u3067\u306f\u5230\u9054\u3067\u304d\u306a\u3044\u7b87\u6240\u304c\u542b\u307e\u308c\u307e\u3059<\/li>\n\n\n\n<li><strong>\u6570\u5024\u3092\u6e80\u305f\u3059\u305f\u3081\u306e\u30c6\u30b9\u30c8\u304c\u751f\u307e\u308c\u308b<\/strong>\uff1a\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306e\u306a\u3044\u300c\u5b9f\u884c\u3059\u308b\u3060\u3051\u306e\u30c6\u30b9\u30c8\u300d\u3067\u3082\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u4e0a\u304c\u3063\u3066\u3057\u307e\u3044\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ea\u30b9\u30af\u306b\u5fdc\u3058\u3066\u76ee\u6a19\u5024\u3092\u5909\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u4f53\u3067\u4e00\u5f8b\u306e\u6570\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u30b3\u30fc\u30c9\u306e\u91cd\u8981\u5ea6\u3067\u76ee\u6a19\u5024\u3092\u5206\u3051\u308b<\/strong>\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5bfe\u8c61<\/th><th>\u76ee\u5b89\u3068\u306a\u308b C1 \u76ee\u6a19<\/th><th>\u8003\u3048\u65b9<\/th><\/tr><\/thead><tbody><tr><td>\u91d1\u984d\u8a08\u7b97\u30fb\u6a29\u9650\u5224\u5b9a\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td><td>100%\uff08\uff0b MCC\uff09<\/td><td>\u4e0d\u5177\u5408\u306e\u640d\u5bb3\u304c\u5927\u304d\u3044<\/td><\/tr><tr><td>\u4e3b\u8981\u306a\u696d\u52d9\u30ed\u30b8\u30c3\u30af<\/td><td>80\u301c90%<\/td><td>\u6a19\u6e96\u30e9\u30a4\u30f3<\/td><\/tr><tr><td>\u753b\u9762\u8868\u793a\u30fb\u5358\u7d14\u306a CRUD<\/td><td>60\u301c70%<\/td><td>\u7d50\u5408\u30c6\u30b9\u30c8\u3067\u88dc\u3048\u308b<\/td><\/tr><tr><td>\u81ea\u52d5\u751f\u6210\u30b3\u30fc\u30c9\u30fb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb<\/td><td>\u6e2c\u5b9a\u5bfe\u8c61\u5916<\/td><td>\u30c6\u30b9\u30c8\u3059\u308b\u4fa1\u5024\u304c\u4f4e\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306a\u306e\u306f<strong>\u6570\u5024\u305d\u306e\u3082\u306e\u3088\u308a\u3001\u4e0b\u304c\u3063\u305f\u3068\u304d\u306b\u6c17\u3065\u3051\u308b\u72b6\u614b\u3092\u4fdd\u3064\u3053\u3068<\/strong>\u3067\u3059\u3002\u524d\u56de 85% \u3060\u3063\u305f\u3082\u306e\u304c 70% \u306b\u843d\u3061\u305f\u306a\u3089\u3001\u30c6\u30b9\u30c8\u306e\u306a\u3044\u30b3\u30fc\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u305f\u3068\u3044\u3046\u30b7\u30b0\u30ca\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u52d9\u3067\u306e\u30ab\u30d0\u30ec\u30c3\u30b8\u8a2d\u8a08\u306e\u304a\u3059\u3059\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u5834\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u57fa\u6e96\u3067\u4f7f\u3044\u5206\u3051\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460 \u57fa\u672c\u306f C1\uff0880%\uff09\u3092\u76ee\u6307\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C1 \u306f\u5b9f\u52d9\u3067\u6700\u3082\u59a5\u5f53\u306a\u30e9\u30a4\u30f3\u3002<br>\u7121\u99c4\u306a\u30c6\u30b9\u30c8\u3092\u5897\u3084\u3055\u305a\u306b\u30e1\u30ea\u30cf\u30ea\u306e\u3042\u308b\u30c6\u30b9\u30c8\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461 \u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u306f C2 \u3082\u7d44\u307f\u5408\u308f\u305b\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u96d1\u306a OR\/AND \u6761\u4ef6\u304c\u3042\u308b\u5834\u5408\u3001C1 \u3060\u3051\u3067\u306f\u500b\u3005\u306e\u6761\u4ef6\u306e\u52d5\u4f5c\u304c\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u3002<br><strong>C1\/C2 \u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u3057\u3066\u4e21\u65b9\u3092\u6e80\u305f\u3059<\/strong>\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u3044\u54c1\u8cea\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462 \u91cd\u8981\u30ed\u30b8\u30c3\u30af\u306f MCC \u3092\u9069\u7528<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5177\u5408\u306e\u5f71\u97ff\u304c\u5927\u304d\u3044\u7b87\u6240\u306f MCC \u3092\u9069\u7528\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u58f2\u4e0a\u8a08\u7b97<\/li>\n\n\n\n<li>\u8ab2\u91d1\u30ed\u30b8\u30c3\u30af<\/li>\n\n\n\n<li>\u30ed\u30b0\u30a4\u30f3\u5224\u5b9a<\/li>\n\n\n\n<li>\u6a29\u9650\u30c1\u30a7\u30c3\u30af<br>\u306a\u3069<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u2463 \u6642\u9593\u304c\u306a\u3044\u5834\u5408\u3084\u4f4e\u30ea\u30b9\u30af\u7b87\u6240\u306f C0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u4f4e\u9650\u306e\u52d5\u4f5c\u4fdd\u8a3c\u3060\u3051\u3067\u5341\u5206\u306a\u5834\u5408\u306f C0 \u3067\u6e08\u307e\u305b\u308b\u3068\u3044\u3046\u5224\u65ad\u3082\u9069\u5207\u3067\u3059\u3002\u305f\u3060\u3057 C0 \u304c 100% \u3067\u306a\u3044\u5834\u5408\u306f\u300c\u4e00\u5ea6\u3082\u5b9f\u884c\u3055\u308c\u3066\u3044\u306a\u3044\u51e6\u7406\u304c\u3042\u308b\u300d\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u305f\u3081\u3001\u305d\u3053\u3060\u3051\u306f\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2464 \u30ab\u30d0\u30ec\u30c3\u30b8\u3060\u3051\u3067\u306f\u54c1\u8cea\u4fdd\u8a3c\u3067\u304d\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u300c\u901a\u3063\u305f\u304b\u3069\u3046\u304b\u300d\u3057\u304b\u898b\u3066\u304a\u3089\u305a\u3001<strong>\u300c\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u300d\u306f\u8a55\u4fa1\u3057\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u304b\u306a\u3044\u30c6\u30b9\u30c8\u3067\u3082\u30ab\u30d0\u30ec\u30c3\u30b8\u306f 100% \u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3082\u6b20\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5883\u754c\u5024\u5206\u6790<\/li>\n\n\n\n<li>\u7570\u5e38\u7cfb\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u6027\u80fd\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u7d71\u5408\u30c6\u30b9\u30c8<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5358\u4f53\u30c6\u30b9\u30c8\u4ee5\u5916\u306e\u30ab\u30d0\u30ec\u30c3\u30b8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C0\u301cMCC \u306f\u30b3\u30fc\u30c9\u3092\u5206\u6bcd\u306b\u3057\u305f\u6307\u6a19\u306e\u305f\u3081\u3001<strong>\u7d50\u5408\u30c6\u30b9\u30c8\u4ee5\u964d\u306e\u5341\u5206\u6027\u306f\u6e2c\u308c\u307e\u305b\u3093<\/strong>\u3002\u5de5\u7a0b\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u5206\u6bcd\u306f\u6b21\u306e\u3088\u3046\u306b\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5de5\u7a0b<\/th><th>\u4f7f\u3046\u30ab\u30d0\u30ec\u30c3\u30b8<\/th><th>\u5206\u6bcd\u306b\u306a\u308b\u3082\u306e<\/th><\/tr><\/thead><tbody><tr><td>\u5358\u4f53\u30c6\u30b9\u30c8<\/td><td>C0 \/ C1 \/ C2 \/ MCC<\/td><td>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/td><\/tr><tr><td>\u7d50\u5408\u30c6\u30b9\u30c8<\/td><td>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30ab\u30d0\u30ec\u30c3\u30b8<\/td><td>\u30e2\u30b8\u30e5\u30fc\u30eb\u9593\u306e\u9023\u643a\u7d4c\u8def<\/td><\/tr><tr><td>\u30b7\u30b9\u30c6\u30e0\u30c6\u30b9\u30c8<\/td><td>\u6a5f\u80fd\u30ab\u30d0\u30ec\u30c3\u30b8 \/ \u8981\u6c42\u30ab\u30d0\u30ec\u30c3\u30b8<\/td><td>\u4ed5\u69d8\u66f8\u306e\u6a5f\u80fd\u30fb\u8981\u6c42\u9805\u76ee<\/td><\/tr><tr><td>\u53d7\u5165\u30c6\u30b9\u30c8<\/td><td>\u696d\u52d9\u30b7\u30ca\u30ea\u30aa\u30ab\u30d0\u30ec\u30c3\u30b8<\/td><td>\u5b9f\u969b\u306e\u696d\u52d9\u30d5\u30ed\u30fc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C1 \u304c 90% \u3067\u3082\u3001\u4ed5\u69d8\u66f8\u306e\u6a5f\u80fd\u3092\u534a\u5206\u3057\u304b\u30c6\u30b9\u30c8\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u54c1\u8cea\u306f\u62c5\u4fdd\u3067\u304d\u307e\u305b\u3093\u3002<\/strong>\u30b3\u30fc\u30c9\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u3042\u304f\u307e\u3067\u5358\u4f53\u30c6\u30b9\u30c8\u306e\u5341\u5206\u6027\u3092\u6e2c\u308b\u9053\u5177\u3067\u3042\u308a\u3001\u5de5\u7a0b\u3054\u3068\u306b\u9069\u5207\u306a\u5206\u6bcd\u3092\u9078\u3076\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C1 \u3068 C2 \u306f\u3069\u3061\u3089\u3092\u512a\u5148\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a C1 \u3067\u3059\u3002C1 \u306f\u5206\u5c90\u306e\u7d50\u679c\u3092\u7db2\u7f85\u3059\u308b\u57fa\u672c\u306e\u6307\u6a19\u3067\u3001\u591a\u304f\u306e\u8a08\u6e2c\u30c4\u30fc\u30eb\u304c\u6a19\u6e96\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002C2 \u306f <code>||<\/code> \u3084 <code>&&<\/code> \u3092\u542b\u3080\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u304c\u3042\u308b\u7b87\u6240\u306b\u7d5e\u3063\u3066\u8ffd\u52a0\u3059\u308b\u306e\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ab\u30d0\u30ec\u30c3\u30b8 100% \u306a\u3089\u30d0\u30b0\u306f\u306a\u3044\u3068\u8a00\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a00\u3048\u307e\u305b\u3093\u3002\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u300c\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u305f\u304b\u300d\u3092\u6e2c\u308b\u6307\u6a19\u3067\u3001\u300c\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u300d\u306f\u898b\u3066\u3044\u307e\u305b\u3093\u3002\u307e\u305f\u3001<strong>\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u4ed5\u69d8\u306e\u6f0f\u308c\u306f\u30ab\u30d0\u30ec\u30c3\u30b8\u306b\u306f\u4e00\u5207\u73fe\u308c\u307e\u305b\u3093<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C0 \u3068 C1 \u3067\u5fc5\u8981\u306a\u30b1\u30fc\u30b9\u6570\u304c\u540c\u3058\u306b\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u3058\u3083\u3093\u3051\u3093\u30b3\u30fc\u30c9\u304c\u307e\u3055\u306b\u305d\u306e\u4f8b\u3067\u3001\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u304c\u591a\u3044\u30b3\u30fc\u30c9\u3067\u306f C0 \u3068 C1 \u306e\u5fc5\u8981\u30b1\u30fc\u30b9\u6570\u304c\u4e00\u81f4\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C2 \u3068 MCC \u306e\u9055\u3044\u304c\u5206\u304b\u308a\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>if (A || B)<\/code> \u3092\u4f8b\u306b\u3059\u308b\u3068\u3001C2 \u306f\u300cA \u304c True\/False \u306e\u4e21\u65b9\u3001B \u304c True\/False \u306e\u4e21\u65b9\u300d\u3092\u7d4c\u9a13\u3059\u308c\u3070\u9054\u6210\u3067\u3059\uff082 \u30b1\u30fc\u30b9\u3067\u8db3\u308a\u307e\u3059\uff09\u3002MCC \u306f\u300c(A,B) = (T,T)(T,F)(F,T)(F,F)\u300d\u306e 4 \u901a\u308a\u3059\u3079\u3066\u304c\u5fc5\u8981\u3067\u3059\u3002<strong>\u8cc7\u6599\u306b\u3088\u3063\u3066\u306f C2 \u3092 MCC \u306e\u610f\u5473\u3067\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308b<\/strong>\u305f\u3081\u3001\u30c1\u30fc\u30e0\u5185\u3067\u5b9a\u7fa9\u3092\u63c3\u3048\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u5c90\u7db2\u7f85\u3068\u5224\u5b9a\u6761\u4ef6\u7db2\u7f85\u306f\u9055\u3046\u3082\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u3082\u306e\u3092\u6307\u3057\u307e\u3059\u3002C1 \u306f\u300c\u5206\u5c90\u7db2\u7f85\u300d\u300c\u30d6\u30e9\u30f3\u30c1\u30ab\u30d0\u30ec\u30c3\u30b8\u300d\u300c\u30c7\u30b7\u30b8\u30e7\u30f3\u30ab\u30d0\u30ec\u30c3\u30b8\u300d\u300c\u5224\u5b9a\u6761\u4ef6\u7db2\u7f85\u300d\u306a\u3069\u8907\u6570\u306e\u547c\u3073\u65b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C0 \u306f\u300c\u3059\u3079\u3066\u306e\u5b9f\u884c\u6587\u3092\u901a\u3059\u3053\u3068\u300d\u3002\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u304c\u3042\u308b\u3068 1 \u30b1\u30fc\u30b9\u3067\u306f\u9054\u6210\u3067\u304d\u306a\u3044<\/li>\n\n\n\n<li>C1 \u306f\u300c\u5b9f\u52d9\u3067\u6700\u3082\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u3044\u57fa\u6e96\u300d\u3002\u307e\u305a\u306f\u3053\u3053\u3092 80% \u76ee\u6a19\u306b<\/li>\n\n\n\n<li>C2 \u306f\u300c\u500b\u3005\u306e\u6761\u4ef6\u306b\u7740\u76ee\u3059\u308b\u304c\u3001C1 \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3079\u304d\u300d<\/li>\n\n\n\n<li>MCC \u306f\u300c\u91cd\u8981\u306a\u30ed\u30b8\u30c3\u30af\u306b\u9069\u7528\u3059\u308b\u3068\u52b9\u679c\u5927\u300d\u3060\u304c\u30b3\u30b9\u30c8\u3082\u9ad8\u3044<\/li>\n\n\n\n<li>\u77ed\u7d61\u8a55\u4fa1\u306b\u3088\u308a\u300c\u66f8\u3044\u305f\u306e\u306b\u8a55\u4fa1\u3055\u308c\u306a\u3044\u6761\u4ef6\u300d\u304c\u751f\u307e\u308c\u308b\u70b9\u306b\u6ce8\u610f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30d0\u30ec\u30c3\u30b8\u306f\u4e07\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30c6\u30b9\u30c8\u306e&#8221;\u6f0f\u308c\u3092\u53ef\u8996\u5316&#8221;\u3059\u308b\u5927\u4e8b\u306a\u6307\u6a19\u3067\u3059\u3002<br>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30ea\u30b9\u30af\u3084\u4e88\u7b97\u306b\u5fdc\u3058\u3066\u3001C0\u301cMCC \u3092\u3046\u307e\u304f\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u54c1\u8cea\u5411\u4e0a\u306e\u8fd1\u9053\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91cd\u8981\uff1aC2 \u3068 MCC 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class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/12\/\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30c6\u30b9\u30c8\u306f\u3069\u3053\u307e\u3067\u3084\u308b\u3079\u304d\u304b\uff1f-300x168.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/minna-systems.co.jp\/test\/whitepaper\/software-testing-scope-strategy-guide-dl\/\">\u3010\u8cc7\u6599DL\u3011\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30c6\u30b9\u30c8\u306f\u3068\u3099\u3053\u307e\u3066\u3099\u3084\u308b\u3078\u3099\u304d\u304b\uff1f<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u3010\u8cc7\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3011 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class=\"swell-block-postLink\" data-style=\"card\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u6599\u91d1<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/minna-systems.co.jp\/test\/wp-content\/uploads\/2025\/12\/0027-1-300x184.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/minna-systems.co.jp\/test\/service\/why-lowprice\/\">\u306a\u305c\u300c10\u4e07\u5186\u304b\u3089\u300d\u306a\u306e\u304b?\u7406\u7531\u3068\u60f3\u3044<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">PDF\u3067\u3054\u89a7\u306e\u65b9\u306f\u3053\u3061\u3089 \u8cc7\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9 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\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30c6\u30b9\u30c8\u73fe\u5834\u3067\u7279\u306b\u91cd\u8981\u306a 4 \u3064\u306e\u6307 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