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# -*- coding: us-ascii -*-
require 'test/unit'
require_relative 'envutil'
class TestConst < Test::Unit::TestCase
TEST1 = 1
TEST2 = 2
module Const
TEST3 = 3
TEST4 = 4
end
module Const2
TEST3 = 6
TEST4 = 8
end
def test_const
assert defined?(TEST1)
assert_equal 1, TEST1
assert defined?(TEST2)
assert_equal 2, TEST2
self.class.class_eval {
include Const
}
assert defined?(TEST1)
assert_equal 1, TEST1
assert defined?(TEST2)
assert_equal 2, TEST2
assert defined?(TEST3)
assert_equal 3, TEST3
assert defined?(TEST4)
assert_equal 4, TEST4
self.class.class_eval {
include Const2
}
STDERR.print "intentionally redefines TEST3, TEST4\n" if $VERBOSE
assert defined?(TEST1)
assert_equal 1, TEST1
assert defined?(TEST2)
assert_equal 2, TEST2
assert defined?(TEST3)
assert_equal 6, TEST3
assert defined?(TEST4)
assert_equal 8, TEST4
end
def test_redefinition
c = Class.new
c.const_set(:X, 1)
assert_output(nil, <<-WARNING) {c.const_set(:X, 2)}
#{__FILE__}:#{__LINE__-1}: warning: already initialized constant #{c}::X
#{__FILE__}:#{__LINE__-3}: warning: previous definition of X was here
WARNING
code = <<-PRE
olderr = $stderr.dup
$stderr.reopen(File::NULL, "wb")
350000.times { FOO = :BAR }
$stderr.reopen(olderr)
PRE
assert_no_memory_leak([], '', code, 'redefined constant')
end
end
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