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-rw-r--r--test/io/console/test_io_console.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/io/console/test_io_console.rb b/test/io/console/test_io_console.rb
index d65a8e79ca..a3814e739a 100644
--- a/test/io/console/test_io_console.rb
+++ b/test/io/console/test_io_console.rb
@@ -317,6 +317,11 @@ defined?(IO.console) and TestIO_Console.class_eval do
def test_set_winsize_console
s = IO.console.winsize
assert_nothing_raised(TypeError) {IO.console.winsize = s}
+ bug = '[ruby-core:82741] [Bug #13888]'
+ IO.console.winsize = [s[0], s[1]+1]
+ assert_equal([s[0], s[1]+1], IO.console.winsize, bug)
+ IO.console.winsize = s
+ assert_equal(s, IO.console.winsize, bug)
end
def test_close