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Merge pull request #1751 from cubicdaiya/issues/test_for_instance_variable_defined_question

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Add test for Kernel#instance_variable_defined?
This commit is contained in:
Yukihiro "Matz" Matsumoto
2014-02-27 14:15:27 +09:00
parent 524352ffbb 677cd22be1
commit 56ebac0db2
1 changed files with 10 additions and 0 deletions
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test/t/kernel.rb
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@@ -264,6 +264,16 @@ assert('Kernel#inspect', '15.3.1.3.17') do
assert_equal "main", s
end
assert('Kernel#instance_variable_defined?', '15.3.1.3.20') do
o = Object.new
o.instance_variable_set(:@a, 1)
assert_equal o.instance_variable_defined?("@a"), true
assert_equal o.instance_variable_defined?("@b"), false
assert_equal o.instance_variable_defined?("@a"[0,2]), true
assert_equal o.instance_variable_defined?("@abc"[0,2]), true
end
assert('Kernel#instance_variables', '15.3.1.3.23') do
o = Object.new
o.instance_eval do