2012-11-29 03:45:13 -05:00
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# -*- coding: us-ascii -*-
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2015-12-16 00:07:31 -05:00
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# frozen_string_literal: false
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2003-09-04 12:18:59 -04:00
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require 'test/unit'
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class TestConst < Test::Unit::TestCase
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2003-09-05 11:15:43 -04:00
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2020-01-28 10:49:53 -05:00
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Constants_Setup = -> do
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2020-01-27 23:31:22 -05:00
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remove_const :TEST1 if defined? ::TestConst::TEST1
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remove_const :TEST2 if defined? ::TestConst::TEST2
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remove_const :Const if defined? ::TestConst::Const
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remove_const :Const2 if defined? ::TestConst::Const2
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TEST1 = 1
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TEST2 = 2
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module Const
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TEST3 = 3
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TEST4 = 4
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end
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module Const2
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TEST3 = 6
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TEST4 = 8
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end
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2003-09-04 12:18:59 -04:00
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end
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2003-09-05 11:15:43 -04:00
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2003-09-04 12:18:59 -04:00
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def test_const
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2020-01-28 10:49:53 -05:00
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Constants_Setup.call
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2006-12-31 10:02:22 -05:00
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assert defined?(TEST1)
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assert_equal 1, TEST1
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assert defined?(TEST2)
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assert_equal 2, TEST2
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2003-09-04 12:18:59 -04:00
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self.class.class_eval {
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include Const
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}
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2006-12-31 10:02:22 -05:00
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assert defined?(TEST1)
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assert_equal 1, TEST1
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assert defined?(TEST2)
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assert_equal 2, TEST2
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assert defined?(TEST3)
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assert_equal 3, TEST3
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assert defined?(TEST4)
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assert_equal 4, TEST4
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2003-09-05 11:15:43 -04:00
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2003-09-04 12:18:59 -04:00
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self.class.class_eval {
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include Const2
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}
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2016-02-19 02:58:09 -05:00
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# STDERR.print "intentionally redefines TEST3, TEST4\n" if $VERBOSE
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2006-12-31 10:02:22 -05:00
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assert defined?(TEST1)
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assert_equal 1, TEST1
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assert defined?(TEST2)
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assert_equal 2, TEST2
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assert defined?(TEST3)
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assert_equal 6, TEST3
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assert defined?(TEST4)
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assert_equal 8, TEST4
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2003-09-04 12:18:59 -04:00
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end
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2011-09-03 11:11:53 -04:00
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2019-08-14 01:44:36 -04:00
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def test_const_access_from_nil
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assert_raise(TypeError) { eval("nil::Object") }
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2019-11-06 01:47:32 -05:00
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assert_nil eval("defined?(nil::Object)")
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2019-08-14 01:44:36 -04:00
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assert_raise(TypeError) { eval("c = nil; c::Object") }
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2019-11-06 01:47:32 -05:00
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assert_nil eval("c = nil; defined?(c::Object)")
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2019-08-14 01:44:36 -04:00
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assert_raise(TypeError) { eval("sc = Class.new; sc::C = nil; sc::C::Object") }
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2019-11-06 01:47:32 -05:00
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assert_nil eval("sc = Class.new; sc::C = nil; defined?(sc::C::Object)")
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2019-08-14 01:44:36 -04:00
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end
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2011-09-03 11:11:53 -04:00
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def test_redefinition
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c = Class.new
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2014-11-25 13:44:12 -05:00
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name = "X\u{5b9a 6570}"
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c.const_set(name, 1)
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prev_line = __LINE__ - 1
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2016-04-08 21:25:11 -04:00
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assert_warning(<<-WARNING) {c.const_set(name, 2)}
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2014-11-25 13:44:12 -05:00
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#{__FILE__}:#{__LINE__-1}: warning: already initialized constant #{c}::#{name}
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#{__FILE__}:#{prev_line}: warning: previous definition of #{name} was here
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2011-09-03 11:11:53 -04:00
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WARNING
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2014-11-26 22:42:45 -05:00
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end
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def test_redefinition_memory_leak
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2014-03-16 21:24:06 -04:00
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code = <<-PRE
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350000.times { FOO = :BAR }
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PRE
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2015-10-17 01:01:41 -04:00
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assert_no_memory_leak(%w[-W0 -], '', code, 'redefined constant', timeout: 30)
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2011-09-03 11:11:53 -04:00
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end
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2017-01-01 04:17:10 -05:00
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def test_toplevel_lookup
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assert_raise(NameError, '[Feature #11547]') {TestConst::Object}
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end
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2003-09-04 12:18:59 -04:00
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end
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