44 lines
989 B
Ruby
44 lines
989 B
Ruby
require 'abstract_unit'
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class KernelTest < Test::Unit::TestCase
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def test_silence_warnings
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silence_warnings { assert_nil $VERBOSE }
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assert_equal 1234, silence_warnings { 1234 }
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end
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def test_silence_warnings_verbose_invariant
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old_verbose = $VERBOSE
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silence_warnings { raise }
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flunk
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rescue
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assert_equal old_verbose, $VERBOSE
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end
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def test_enable_warnings
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enable_warnings { assert_equal true, $VERBOSE }
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assert_equal 1234, enable_warnings { 1234 }
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end
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def test_enable_warnings_verbose_invariant
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old_verbose = $VERBOSE
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enable_warnings { raise }
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flunk
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rescue
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assert_equal old_verbose, $VERBOSE
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end
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def test_silence_stderr
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old_stderr_position = STDERR.tell
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silence_stderr { STDERR.puts 'hello world' }
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assert_equal old_stderr_position, STDERR.tell
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rescue Errno::ESPIPE
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# Skip if we can't STDERR.tell
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end
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def test_silence_stderr_with_return_value
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assert_equal 1, silence_stderr { 1 }
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end
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end
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