nicTest.diff_match_patchTest.diff_commonPrefixTest C# (CSharp) Method

    public void diff_commonPrefixTest() {
      diff_match_patchTest dmp = new diff_match_patchTest();
      // Detect any common suffix.
      // Null case.
      Assert.AreEqual(0, dmp.diff_commonPrefix("abc", "xyz"));

      // Non-null case.
      Assert.AreEqual(4, dmp.diff_commonPrefix("1234abcdef", "1234xyz"));

      // Whole case.
      Assert.AreEqual(4, dmp.diff_commonPrefix("1234", "1234xyz"));
    }