+++ /dev/null
-require File.expand_path(File.dirname(__FILE__) + '/edgecase')
-
-class AboutControlStatements < EdgeCase::Koan
-
- def test_if_then_else_statements
- if true
- result = :true_value
- else
- result = :false_value
- end
- assert_equal __, result
- end
-
- def test_if_then_statements
- result = :default_value
- if true
- result = :true_value
- end
- assert_equal __, result
- end
-
- def test_if_statements_return_values
- value = if true
- :true_value
- else
- :false_value
- end
- assert_equal __, value
-
- value = if false
- :true_value
- else
- :false_value
- end
- assert_equal __, value
-
- # NOTE: Actually, EVERY statement in Ruby will return a value, not
- # just if statements.
- end
-
- def test_if_statements_with_no_else_with_false_condition_return_value
- value = if false
- :true_value
- end
- assert_equal __, value
- end
-
- def test_condition_operators
- assert_equal __, (true ? :true_value : :false_value)
- assert_equal __, (false ? :true_value : :false_value)
- end
-
- def test_if_statement_modifiers
- result = :default_value
- result = :true_value if true
-
- assert_equal __, result
- end
-
- def test_unless_statement
- result = :default_value
- unless false # same as saying 'if !false', which evaluates as 'if true'
- result = :false_value
- end
- assert_equal __, result
- end
-
- def test_unless_statement_evaluate_true
- result = :default_value
- unless true # same as saying 'if !true', which evaluates as 'if false'
- result = :true_value
- end
- assert_equal __, result
- end
-
- def test_unless_statement_modifier
- result = :default_value
- result = :false_value unless false
-
- assert_equal __, result
- end
-
- def test_while_statement
- i = 1
- result = 1
- while i <= 10
- result = result * i
- i += 1
- end
- assert_equal __, result
- end
-
- def test_break_statement
- i = 1
- result = 1
- while true
- break unless i <= 10
- result = result * i
- i += 1
- end
- assert_equal __, result
- end
-
- def test_break_statement_returns_values
- i = 1
- result = while i <= 10
- break i if i % 2 == 0
- i += 1
- end
-
- assert_equal __, result
- end
-
- def test_next_statement
- i = 0
- result = []
- while i < 10
- i += 1
- next if (i % 2) == 0
- result << i
- end
- assert_equal __, result
- end
-
- def test_for_statement
- array = ["fish", "and", "chips"]
- result = []
- for item in array
- result << item.upcase
- end
- assert_equal [__, __, __], result
- end
-
-end