Enumerate the exercises

08_anagrams.lua

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+-- Implement the is_anagram() function below, so that it returns true if
+-- the two passed strings are anagrams of each other.  Any non-
+-- alphabetical characters in the string should be ignored.
+--
+-- Solution --------------------------------------------------------------------
+function is_anagram(str1, str2)
+	-- Your implementation here
+end
+
+-- Tests -----------------------------------------------------------------------
+
+local luaunit = require("luaunit.luaunit")
+
+function test_listen_is_anagram_of_silent()
+	luaunit.assertTrue(is_anagram("listen", "silent"))
+end
+
+function test_astronomers_is_anagram_of_moon_starers()
+	luaunit.assertTrue(is_anagram("astronomers", "moon starers"))
+end
+
+function test_dormitory_is_anagram_of_dirty_room()
+	luaunit.assertTrue(is_anagram("dormitory", "dirty room"))
+end
+
+function test_foo_is_not_anagram_of_bar()
+	luaunit.assertFalse(is_anagram("foo", "bar"))
+end
+
+function test_foo_is_not_anagram_of_of()
+	luaunit.assertFalse(is_anagram("foo", "of"))
+end
+
+function test_bar_is_not_anagram_of_barn()
+	luaunit.assertFalse(is_anagram("bar", "barn"))
+end
+
+function test_barn_is_not_anagram_of_bar()
+	luaunit.assertFalse(is_anagram("barn", "bar"))
+end
+
+os.exit(luaunit.LuaUnit.run())