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1 parent 13b8543 commit 63e82ae675a034a688a903357b2e23f23bf65433 Danish Khan committed Mar 14, 2011
Showing with 15 additions and 15 deletions.
  1. +15 −15 koans/about_regular_expressions.rb
@@ -3,32 +3,32 @@
class AboutRegularExpressions < EdgeCase::Koan
def test_a_pattern_is_a_regular_expression
- assert_equal __, /pattern/.class
+ assert_equal Regexp, /pattern/.class
end
def test_a_regexp_can_search_a_string_for_matching_content
- assert_equal __, "some matching content"[/match/]
+ assert_equal "match", "some matching content"[/match/]
end
def test_a_failed_match_returns_nil
- assert_equal __, "some matching content"[/missing/]
+ assert_equal nil, "some matching content"[/missing/]
end
# ------------------------------------------------------------------
def test_question_mark_means_optional
- assert_equal __, "abbcccddddeeeee"[/ab?/]
- assert_equal __, "abbcccddddeeeee"[/az?/]
+ assert_equal "ab", "abbcccddddeeeee"[/ab?/]
+ assert_equal "a", "abbcccddddeeeee"[/az?/]
end
def test_plus_means_one_or_more
- assert_equal __, "abbcccddddeeeee"[/bc+/]
+ assert_equal "bccc", "abbcccddddeeeee"[/bc+/]
end
def test_asterisk_means_zero_or_more
- assert_equal __, "abbcccddddeeeee"[/ab*/]
- assert_equal __, "abbcccddddeeeee"[/az*/]
- assert_equal __, "abbcccddddeeeee"[/z*/]
+ assert_equal "abb", "abbcccddddeeeee"[/ab*/]
+ assert_equal "a", "abbcccddddeeeee"[/az*/]
+ assert_equal "", "abbcccddddeeeee"[/z*/]
# THINK ABOUT IT:
#
@@ -44,27 +44,27 @@ def test_asterisk_means_zero_or_more
# ------------------------------------------------------------------
def test_the_left_most_match_wins
- assert_equal __, "abbccc az"[/az*/]
+ assert_equal "a", "abbccc az"[/az*/]
end
# ------------------------------------------------------------------
def test_character_classes_give_options_for_a_character
animals = ["cat", "bat", "rat", "zat"]
- assert_equal __, animals.select { |a| a[/[cbr]at/] }
+ assert_equal ["cat", "bat", "rat"], animals.select { |a| a[/[cbr]at/] }
end
def test_slash_d_is_a_shortcut_for_a_digit_character_class
- assert_equal __, "the number is 42"[/[0123456789]+/]
- assert_equal __, "the number is 42"[/\d+/]
+ assert_equal "42", "the number is 42"[/[0123456789]+/]
+ assert_equal "42", "the number is 42"[/\d+/]
end
def test_character_classes_can_include_ranges
- assert_equal __, "the number is 42"[/[0-9]+/]
+ assert_equal "42", "the number is 42"[/[0-9]+/]
end
def test_slash_s_is_a_shortcut_for_a_whitespace_character_class
- assert_equal __, "space: \t\n"[/\s+/]
+ assert_equal " \t\n", "space: \t\n"[/\s+/]
end
def test_slash_w_is_a_shortcut_for_a_word_character_class

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