public void IndexOf() { Substring subs; // indexOf() { subs= new Substring("ABCD"); UT_EQ( -1, subs.IndexOf('X') ); UT_EQ( 0, subs.IndexOf('A') ); UT_EQ( 1, subs.IndexOf('B') ); UT_EQ( 2, subs.IndexOf('C') ); UT_EQ( 3, subs.IndexOf('D') ); } // search characters subs.Set( "abc@" + "abcd abcd" + "abc@de", 4, 9 ); { UT_EQ( -1 , subs.IndexOf( '@', -5 ) ); UT_EQ( -1 , subs.IndexOf( '@' ) ); UT_EQ( -1 , subs.IndexOf( '@', 5 ) ); UT_EQ( -1 , subs.IndexOf( '@', 150 ) ); UT_EQ( 0 , subs.IndexOf( 'a' ) ); UT_EQ( 1 , subs.IndexOf( 'b' ) ); UT_EQ( 2 , subs.IndexOf( 'c' ) ); UT_EQ( 0 , subs.IndexOf( 'a', 0 ) ); UT_EQ( 1 , subs.IndexOf( 'b', 0 ) ); UT_EQ( 2 , subs.IndexOf( 'c', 0 ) ); UT_EQ( 5 , subs.IndexOf( 'a', 1 ) ); UT_EQ( 1 , subs.IndexOf( 'b', 1 ) ); UT_EQ( 2 , subs.IndexOf( 'c', 1 ) ); UT_EQ( 5 , subs.IndexOf( 'a', 2 ) ); UT_EQ( 6 , subs.IndexOf( 'b', 2 ) ); UT_EQ( 2 , subs.IndexOf( 'c', 2 ) ); UT_EQ( 5 , subs.IndexOf( 'a', 3 ) ); UT_EQ( 6 , subs.IndexOf( 'b', 3 ) ); UT_EQ( 7 , subs.IndexOf( 'c', 3 ) ); UT_EQ( 8 , subs.IndexOf( 'd', 7 ) ); UT_EQ( 8 , subs.IndexOf( 'd', 8 ) ); UT_EQ( -1 , subs.IndexOf( 'd', 9 ) ); } // search null, empty string subs.Set( "abc@" + "abcd abcd" + "abc@de", 4, 9 ); { UT_EQ( 0 , subs.IndexOf( (AString) null ) ); UT_EQ( 5 , subs.IndexOf( (AString) null, 5 ) ); UT_EQ( -1 , subs.IndexOf( (AString) null, 50 ) ); UT_EQ( 0 , subs.IndexOf( (AString) null, - 5 ) ); UT_EQ( 0 , subs.IndexOf( (String) null ) ); UT_EQ( 5 , subs.IndexOf( (String) null, 5 ) ); UT_EQ( -1 , subs.IndexOf( (String) null, 50 ) ); UT_EQ( 0 , subs.IndexOf( (String) null, - 5 ) ); UT_EQ( 0 , subs.IndexOf( "", - 5 ) ); UT_EQ( 0 , subs.IndexOf( "", 0 ) ); UT_EQ( 4 , subs.IndexOf( "", 4 ) ); UT_EQ( -1 , subs.IndexOf( "", 100 ) ); } // search subs.Set( "abc@" + "abcd abcd" + "abc@de", 4, 9 ); { UT_EQ( 0 , subs.IndexOf( "abcd" ) ); UT_EQ( 1 , subs.IndexOf( "b" ) ); UT_EQ( 4 , subs.IndexOf( " abcd" ) ); UT_EQ( 5 , subs.IndexOf( "abcd", 1 ) ); UT_EQ( 0 , subs.IndexOf( "abcd",- 1 ) ); UT_EQ( -1, subs.IndexOf( "xyz", -10 ) ); } // ignore case String t= "Hello A-Worx util"; subs.Set( "abc@" + t + "abc@de", 4, t.Length ); { UT_EQ( 6 , subs.IndexOf( "a-worx", 0 ,Case.Ignore ) ); UT_EQ( 6 , subs.IndexOf( "a-worx", 1 ,Case.Ignore ) ); UT_EQ( 6 , subs.IndexOf( "a-worx", -10 ,Case.Ignore ) ); UT_EQ( 6 , subs.IndexOf( "a-worx", 6 ,Case.Ignore ) ); UT_EQ( -1, subs.IndexOf( "a-worx", 7 ,Case.Ignore ) ); UT_EQ( -1, subs.IndexOf( "a-worx", 100 ,Case.Ignore ) ); UT_EQ( 0, subs.IndexOf( "hel", 0 ,Case.Ignore ) ); UT_EQ( -1, subs.IndexOf( "hel", 1 ,Case.Ignore ) ); UT_EQ( 13, subs.IndexOf( "util", 1 ,Case.Ignore ) ); UT_EQ( 13, subs.IndexOf( "UTIL", 5 ,Case.Ignore ) ); UT_EQ( 13, subs.IndexOf( "UTIL", 13 ,Case.Ignore ) ); UT_EQ( -1, subs.IndexOf( "UTIL", 14 ,Case.Ignore ) ); } // ------------------ search one of several characters ------------------ subs.Set( "abc@" + "abcd abcde" + "abc@de", 4, 10 ); { // search one of int l= subs.Length(); UT_EQ( 4, subs.IndexOfAny ( CString.DefaultWhitespaces,Inclusion.Include ) ); UT_EQ( -1, subs.IndexOfAny ( "x" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.IndexOfAny ( "xy" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.IndexOfAny ( "xyz" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( 3, subs.IndexOfAny ( "xyd" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( 3, subs.IndexOfAny ( "d" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( 3, subs.IndexOfAny ( "xyd" .ToCharArray() ,Inclusion.Include, -2 ) ); UT_EQ( 8, subs.IndexOfAny ( "xyd" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( -1, subs.IndexOfAny ( "xyd" .ToCharArray() ,Inclusion.Include, 20 ) ); UT_EQ( -1, subs.LastIndexOfAny( "" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.LastIndexOfAny( "x" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.LastIndexOfAny( "xy" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.LastIndexOfAny( "xyz" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( 8, subs.LastIndexOfAny( "xyd" .ToCharArray() ,Inclusion.Include ) ); UT_EQ( -1, subs.LastIndexOfAny( "xyd" .ToCharArray() ,Inclusion.Include, -2 ) ); UT_EQ( -1, subs.LastIndexOfAny( "xyd" .ToCharArray() ,Inclusion.Include, 2 ) ); UT_EQ( 3, subs.LastIndexOfAny( "xyd" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( 0, subs.LastIndexOfAny( "a" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( 1, subs.LastIndexOfAny( "b" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( 1, subs.LastIndexOfAny( "ba" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( 0, subs.LastIndexOfAny( "xa" .ToCharArray() ,Inclusion.Include, 4 ) ); UT_EQ( 8, subs.LastIndexOfAny( "xyd" .ToCharArray() ,Inclusion.Include, 20 ) ); UT_EQ( 8, subs.LastIndexOfAny( "d" .ToCharArray() ,Inclusion.Include, 20 ) ); UT_EQ( 9, subs.LastIndexOfAny( "e" .ToCharArray() ,Inclusion.Include, 20 ) ); // search NOT one of UT_EQ( 0, subs.IndexOfAny ( "" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 0, subs.IndexOfAny ( "x" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 0, subs.IndexOfAny ( "xy" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 0, subs.IndexOfAny ( "xyz" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 1, subs.IndexOfAny ( "a" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 2, subs.IndexOfAny ( "ba" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 3, subs.IndexOfAny ( "abc" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 3, subs.IndexOfAny ( "acb" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 3, subs.IndexOfAny ( "cba" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 3, subs.IndexOfAny ( "xcba" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-1, subs.LastIndexOfAny( "" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-1, subs.LastIndexOfAny( "x" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-1, subs.LastIndexOfAny( "xy" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-2, subs.LastIndexOfAny( "e" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-3, subs.LastIndexOfAny( "de" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-4, subs.LastIndexOfAny( "cde" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-4, subs.LastIndexOfAny( "ced" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( l-4, subs.LastIndexOfAny( "ecd" .ToCharArray() ,Inclusion.Exclude ) ); UT_EQ( 5, subs.LastIndexOfAny( "ecd" .ToCharArray() ,Inclusion.Exclude, 5 ) ); UT_EQ( 4, subs.LastIndexOfAny( "ecd" .ToCharArray() ,Inclusion.Exclude, 4 ) ); UT_EQ( 1, subs.LastIndexOfAny( "acd" .ToCharArray() ,Inclusion.Exclude, 3 ) ); UT_EQ( -1, subs.LastIndexOfAny( "abc" .ToCharArray() ,Inclusion.Exclude, 2 ) ); UT_EQ( 3, subs.LastIndexOfAny( "xay" .ToCharArray() ,Inclusion.Exclude, 3 ) ); UT_EQ( 2, subs.LastIndexOfAny( "d" .ToCharArray() ,Inclusion.Exclude, 3 ) ); UT_EQ( -1, subs.LastIndexOfAny( "a" .ToCharArray() ,Inclusion.Exclude, 0 ) ); } }