public void match_mainTest()
{
var dmp = new diff_match_patchTest();
// Full match.
Assert.AreEqual(0, dmp.match_main("abcdef", "abcdef", 1000), "match_main: Equality.");
Assert.AreEqual(-1, dmp.match_main("", "abcdef", 1), "match_main: Null text.");
Assert.AreEqual(3, dmp.match_main("abcdef", "", 3), "match_main: Null pattern.");
Assert.AreEqual(3, dmp.match_main("abcdef", "de", 3), "match_main: Exact match.");
Assert.AreEqual(3, dmp.match_main("abcdef", "defy", 4), "match_main: Beyond end match.");
Assert.AreEqual(0, dmp.match_main("abcdef", "abcdefy", 0), "match_main: Oversized pattern.");
dmp.Match_Threshold = 0.7f;
Assert.AreEqual(4, dmp.match_main("I am the very model of a modern major general.", " that berry ", 5), "match_main: Complex match.");
dmp.Match_Threshold = 0.5f;
// Test null inputs -- not needed because nulls can't be passed in C#.
}