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diff --git a/src/test/skylark/testdata/string_misc.sky b/src/test/skylark/testdata/string_misc.sky
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+# join
+assert_eq('-'.join(['a', 'b', 'c']), "a-b-c")
+
+---
+join(' ', ['a', 'b', 'c']) ### name 'join' is not defined
+---
+
+assert_eq(''.join([(x + '*') for x in ['a', 'b', 'c']]), "a*b*c*")
+li = [(y + '*' + z + '|') for y in ['a', 'b', 'c'] for z in ['d', 'e']]
+assert_eq(''.join(li), "a*d|a*e|b*d|b*e|c*d|c*e|")
+
+# lower, upper
+assert_eq('Blah Blah'.lower(), "blah blah")
+assert_eq('ein bier'.upper(), "EIN BIER")
+assert_eq(''.upper(), "")
+
+# title
+assert_eq('this is a very simple test'.title(), "This Is A Very Simple Test")
+assert_eq('Do We Keep Capital Letters?'.title(), "Do We Keep Capital Letters?")
+assert_eq("this isn't just an ol' apostrophe test".title(),
+          "This Isn'T Just An Ol' Apostrophe Test")
+assert_eq('Let us test crazy characters: _bla.exe//foo:bla(test$class)'.title(),
+          "Let Us Test Crazy Characters: _Bla.Exe//Foo:Bla(Test$Class)")
+assert_eq('WE HAve tO lOWERCASE soMEthING heRE, AI?'.title(),
+          "We Have To Lowercase Something Here, Ai?")
+assert_eq('wh4t ab0ut s0me numb3rs'.title(), "Wh4T Ab0Ut S0Me Numb3Rs")
+
+# capitalize
+assert_eq('hello world'.capitalize(), "Hello world")
+assert_eq('HELLO WORLD'.capitalize(), "Hello world")
+assert_eq(''.capitalize(), "")
+assert_eq('12 lower UPPER 34'.capitalize(), "12 lower upper 34")
+
+
+# replace
+assert_eq('banana'.replace('a', 'e'), "benene")
+assert_eq('banana'.replace('a', '$()'), "b$()n$()n$()")
+assert_eq('banana'.replace('a', '$'), "b$n$n$")
+assert_eq('banana'.replace('a', '\\'), "b\\n\\n\\")
+assert_eq('b$()n$()n$()'.replace('$()', '$($())'), "b$($())n$($())n$($())")
+assert_eq('b\\n\\n\\'.replace('\\', '$()'), "b$()n$()n$()")
+
+assert_eq('banana'.replace('a', 'e', 2), "benena")
+
+# index, rindex
+assert_eq('banana'.index('na'), 2)
+assert_eq('abababa'.index('ab', 1), 2)
+assert_eq('banana'.rindex('na'), 4)
+assert_eq('abababa'.rindex('ab', 1), 4)
+---
+'banana'.index('foo') ### substring \"foo\" not found in \"banana\"
+---
+'banana'.rindex('foo') ### substring \"foo\" not found in \"banana\"
+---
+
+# endswith
+assert_eq('Apricot'.endswith('cot'), True)
+assert_eq('a'.endswith(''), True)
+assert_eq(''.endswith(''), True)
+assert_eq('Apricot'.endswith('co'), False)
+assert_eq('Apricot'.endswith('co', -1), False)
+assert_eq('abcd'.endswith('c', -2, -1), True)
+assert_eq('abcd'.endswith('c', 1, 8), False)
+assert_eq('abcd'.endswith('d', 1, 8), True)
+
+# startswith
+assert_eq('Apricot'.startswith('Apr'), True)
+assert_eq('Apricot'.startswith('A'), True)
+assert_eq('Apricot'.startswith(''), True)
+assert_eq('Apricot'.startswith('z'), False)
+assert_eq(''.startswith(''), True)
+assert_eq(''.startswith('a'), False)
+
+# substring
+assert_eq('012345678'[0:-1], "01234567")
+assert_eq('012345678'[2:4], "23")
+assert_eq('012345678'[-5:-3], "45")
+assert_eq('012345678'[2:2], "")
+assert_eq('012345678'[2:], "2345678")
+assert_eq('012345678'[:3], "012")
+assert_eq('012345678'[-1:], "8")
+assert_eq('012345678'[:], "012345678")
+assert_eq('012345678'[-1:2], "")
+assert_eq('012345678'[4:2], "")
+
+# reversed
+# to be removed, strings should not be iterable
+assert_eq(reversed(''), [])
+assert_eq(reversed('a'), ['a'])
+assert_eq(reversed('abc'), ['c', 'b', 'a'])
+assert_eq(reversed('__test  '), [' ', ' ', 't', 's', 'e', 't', '_', '_'])
+assert_eq(reversed('bbb'), ['b', 'b', 'b'])
+
+# count
+assert_eq('abc'.count('a'), 1)
+assert_eq('abc'.count('b'), 1)
+assert_eq('abc'.count('c'), 1)
+assert_eq('abbc'.count('b'), 2)
+assert_eq('aba'.count('a'), 2)
+assert_eq('aaa'.count('aa'), 1)
+assert_eq('aaaa'.count('aa'), 2)
+assert_eq('abc'.count('a', 0), 1)
+assert_eq('abc'.count('a', 1), 0)
+assert_eq('abc'.count('c', 0, 3), 1)
+assert_eq('abc'.count('c', 0, 2), 0)
+assert_eq('abc'.count('a', -1), 0)
+assert_eq('abc'.count('c', -1), 1)
+assert_eq('abc'.count('c', 0, 5), 1)
+assert_eq('abc'.count('c', 0, -1), 0)
+assert_eq('abc'.count('a', 0, -1), 1)
+
+# isalpha
+assert_eq(''.isalpha(), False)
+assert_eq('abz'.isalpha(), True)
+assert_eq('a1'.isalpha(), False)
+assert_eq('a '.isalpha(), False)
+assert_eq('A'.isalpha(), True)
+assert_eq('AbZ'.isalpha(), True)