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-rw-r--r--benchmark/bm_file_rename.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/benchmark/bm_file_rename.rb b/benchmark/bm_file_rename.rb
new file mode 100644
index 0000000000..bbb44aebac
--- /dev/null
+++ b/benchmark/bm_file_rename.rb
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+# rename file
+require 'tempfile'
+
+max = 100_000
+tmp = [ Tempfile.new('rename-a'), Tempfile.new('rename-b') ]
+a, b = tmp.map { |x| x.path }
+tmp.each { |t| t.close } # Windows can't rename files without closing them
+max.times do
+ File.rename(a, b)
+ File.rename(b, a)
+end