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-rw-r--r--test/ruby/test_io_buffer.rb15
1 files changed, 10 insertions, 5 deletions
diff --git a/test/ruby/test_io_buffer.rb b/test/ruby/test_io_buffer.rb
index d5ba3266c7..1b4a09dd20 100644
--- a/test/ruby/test_io_buffer.rb
+++ b/test/ruby/test_io_buffer.rb
@@ -102,11 +102,6 @@ class TestIOBuffer < Test::Unit::TestCase
IO::Buffer.for(string) do |buffer|
refute buffer.readonly?
- # Cannot modify string as it's locked by the buffer:
- assert_raise RuntimeError do
- string[0] = "h"
- end
-
buffer.set_value(:U8, 0, "h".ord)
# Buffer releases it's ownership of the string:
@@ -116,6 +111,16 @@ class TestIOBuffer < Test::Unit::TestCase
end
end
+ def test_string_mapped_buffer_locked
+ string = "Hello World"
+ IO::Buffer.for(string) do |buffer|
+ # Cannot modify string as it's locked by the buffer:
+ assert_raise RuntimeError do
+ string[0] = "h"
+ end
+ end
+ end
+
def test_non_string
not_string = Object.new