#.require. jvm
namespace Test

	class Test

		def main
			is shared

			s as String = ''
			assert not s.length
			s = 'aoeu'
			assert 'aoeu'.length
			assert s.length==4

			assert 'aoeu'=='aoeu'
			assert s=='aoeu'
			assert s<>'asdf'

			assert s.equals('aoeu')
			# assert s.getHashCode<>0 # clr method name
			assert s.hashCode<>0  # java method

			s = "aoeu"  # double quotes

			assert 'aoeu'.length==4
			#assert '\a'.length==1 # illegal escape chars in java
			#assert '\b'.length==1
			#assert '\f'.length==1
			assert '\n'.length==1
			assert '\t'.length==1
			assert '\\'.length==1
			assert '\r'.length==1
			assert '\0'.length==1
			assert '\\t'.length==2
			assert '\\t'[1]=='t'    
			assert '\\t'[1]==c't'   

			# concat
			assert 'a' + 'b' == 'ab'
			assert 'a' + '' == 'a'
			assert 'a' + 'b' + 'c' == 'abc'

			# try some methods
			assert 'abc'.indexOf('b')==1
			assert 'abc'.indexOf('d')==-1
			assert 'abc'.endsWith('c')

			# comparisons to chars
			assert 'x'==c'x'
			assert c'x'=='x'
			assert '\0'==c'\0'
			assert '\0'==String.valueOf(c'\0')

			# +=
			s = 'x'
			s += 'y'
			assert s=='xy'
			

			# concat with valueOf(char) - toString not available on char
			s = 'aoeu'
			#s = s[0].toString + 'b'
			s = String.valueOf(s[0]) + 'b'
			assert s=='ab'

			# chars
			assert 'a'[0] == c'a'
			assert '"'[0] == c'"'
			assert "'"[0] == c"'"

			# backslashes
			assert 'cobra\'s lair' == "cobra's lair"
			assert '"' == "\""
			assert '\'' == "'"
			assert '\''[0] == c"'"
			assert "\""[0] == c'"'