Added explict sleep. Windows have imprecise time support.
Thus Tms.new.Add!{} may be or may be not equal 0. The
test failure started since r30747.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
patched by Benoit Daloze [ruby-core:33846] [ruby-dev:43143]
merged from https://github.com/eregon/ruby/commits/benchmark
* lib/benchmark (Report#width): update documentation
* lib/benchmark: document the return value of #benchmark and the
:list attribute in Report
* lib/benchmark (Tms#format): rename variables, use String#%
instead of Kernel.format
* lib/benchmark: remove undocumented Benchmark::times (an alias
of Process::times used twice)
* lib/benchmark (#benchmark): use label_width for the caption
* lib/benchmark (Tms#initialize): rename variables
* lib/benchmark: allow title to not be a String and call #to_s
* lib/benchmark (Benchmark#bm): return an Array of the times with
the labels
* lib/benchmark: correct output for Benchmark#bmbm
(remove the extra space)
* lib/benchmark: add a few tests for Benchmark::Tms output
* lib/benchmark: improve style (enumerators, ljust, unused vars)
* lib/benchmark: add spec about output and return value
* lib/benchmark: improve basic style and consistency
no parenthesis for print and use interpolation instead of printf
* lib/benchmark: remove unnecessary conversions and variables
* lib/benchmark: correct indentation
* lib/benchmark: rename the FMTSTR constant and variable to FORMAT
* lib/benchmark: remove useless exception
* test/benchmark: remove unused variable warnings
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30747 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[ruby-dev:40906]
* test/benchmark/test_benchmark.rb: add a test for above.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
