分岐カバレッジ - CI/CD用語集の定義
分岐カバレッジは、判定の結果（各 if、ループ、switch の真と偽の各エッジ）のうち、テストが実行した割合です。
より厳格な理由
if を含む行は、片方の分岐だけが実行されても行カバレッジは完全になり得ます。分岐カバレッジはテストに両方の結果を通ることを強制します。
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