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require 'abstract_unit'
require 'active_support/core_ext/kernel'
class KernelTest < ActiveSupport::TestCase
def test_silence_warnings
silence_warnings { assert_nil $VERBOSE }
assert_equal 1234, silence_warnings { 1234 }
end
def test_silence_warnings_verbose_invariant
old_verbose = $VERBOSE
silence_warnings { raise }
flunk
rescue
assert_equal old_verbose, $VERBOSE
end
def test_enable_warnings
enable_warnings { assert_equal true, $VERBOSE }
assert_equal 1234, enable_warnings { 1234 }
end
def test_enable_warnings_verbose_invariant
old_verbose = $VERBOSE
enable_warnings { raise }
flunk
rescue
assert_equal old_verbose, $VERBOSE
end
def test_class_eval
o = Object.new
class << o; @x = 1; end
assert_equal 1, o.class_eval { @x }
end
end
class KernelSuppressTest < ActiveSupport::TestCase
def test_reraise
assert_raise(LoadError) do
suppress(ArgumentError) { raise LoadError }
end
end
def test_suppress_with_defaults
suppress { raise RuntimeError }
suppress { raise ArgumentError }
assert_raise(LoadError) do
suppress { raise LoadError }
end
end
def test_suppression
suppress(ArgumentError) { raise ArgumentError }
suppress(LoadError) { raise LoadError }
suppress(LoadError, ArgumentError) { raise LoadError }
suppress(LoadError, ArgumentError) { raise ArgumentError }
end
end
class MockStdErr
attr_reader :output
def puts(message)
@output ||= []
@output << message
end
def info(message)
puts(message)
end
def write(message)
puts(message)
end
end
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