diff options
Diffstat (limited to 'test/lib/test/unit/assertions.rb')
| -rw-r--r-- | test/lib/test/unit/assertions.rb | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb index 9fbf7cbf95..44316579b4 100644 --- a/test/lib/test/unit/assertions.rb +++ b/test/lib/test/unit/assertions.rb @@ -756,6 +756,11 @@ eom skip end + # kernel resolution can limit the minimum time we can measure + # [ruby-core:81540] + MIN_HZ = MiniTest::Unit::TestCase.windows? ? 67 : 100 + MIN_MEASURABLE = 1.0 / MIN_HZ + def assert_cpu_usage_low(msg = nil, pct: 0.05) require 'benchmark' @@ -765,10 +770,7 @@ eom warn "test #{msg || 'assert_cpu_usage_low'} too short to be accurate" end - # kernel resolution can limit the minimum time we can measure - # [ruby-core:81540] - min_hz = windows? ? 67 : 100 - min_measurable = 1.0 / min_hz + min_measurable = MIN_MEASURABLE min_measurable *= 1.30 # add a little (30%) to account for misc. overheads if max < min_measurable max = min_measurable |