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authorJeremy Evans <code@jeremyevans.net>2023-02-10 10:33:53 -0800
committerJeremy Evans <code@jeremyevans.net>2023-03-24 12:29:00 -0700
commit6c60006de5cfd75f10a1b4a3d822e2de41d22db6 (patch)
tree846c8feffac56b046d35059a001d095c2283bda9 /test/ruby
parent836e9a192ba4fdc56a2d3d94f5840869f77fd3bf (diff)
downloadruby-6c60006de5cfd75f10a1b4a3d822e2de41d22db6.tar.gz
Raise ArgumentError if IO.read is provided negative offset
Fixes [Bug #19380]
Diffstat (limited to 'test/ruby')
-rw-r--r--test/ruby/test_io.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 0716dd7bf9..f57dee4261 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2866,6 +2866,9 @@ class TestIO < Test::Unit::TestCase
assert_equal("foo\nbar\nbaz\n", File.read(t.path))
assert_equal("foo\nba", File.read(t.path, 6))
assert_equal("bar\n", File.read(t.path, 4, 4))
+
+ assert_raise(ArgumentError) { File.read(t.path, -1) }
+ assert_raise(ArgumentError) { File.read(t.path, 1, -1) }
}
end