1 files changed, 6 insertions, 34 deletions
diff --git a/spec/ruby/core/process/clock_getres_spec.rb b/spec/ruby/core/process/clock_getres_spec.rb
index f1ecb74010..85aa2b25f1 100644
--- a/spec/ruby/core/process/clock_getres_spec.rb
+++ b/spec/ruby/core/process/clock_getres_spec.rb
@@ -1,34 +1,6 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/clocks'
 
 describe "Process.clock_getres" do
-  # clock_getres() seems completely buggy on FreeBSD:
-  # https://rubyci.org/logs/rubyci.s3.amazonaws.com/freebsd11zfs/ruby-trunk/log/20190428T093003Z.fail.html.gz
-  platform_is_not :freebsd, :openbsd do
-    # NOTE: Look at fixtures/clocks.rb for clock and OS-specific exclusions
-    ProcessSpecs.clock_constants_for_resolution_checks.each do |name, value|
-      it "matches the clock in practice for Process::#{name}" do
-        times = 10_000.times.map { Process.clock_gettime(value, :nanosecond) }
-        reported = Process.clock_getres(value, :nanosecond)
-
-        # The clock should not be more accurate than reported (times should be
-        # a multiple of reported precision.)
-        times.select { |t| t % reported > 0 }.should be_empty
-
-        # We're assuming precision is a multiple of ten - it may or may not
-        # be an incompatibility if it isn't but we'd like to notice this,
-        # and the spec following these wouldn't work if it isn't.
-        reported.should > 0
-        (reported == 1 || reported % 10 == 0).should be_true
-
-        # The clock should not be less accurate than reported (times should
-        # not all be a multiple of the next precision up, assuming precisions
-        # are multiples of ten.)
-        times.select { |t| t % (reported * 10) == 0 }.size.should_not == times.size
-      end
-    end
-  end
-
   # These are documented
 
   it "with :GETTIMEOFDAY_BASED_CLOCK_REALTIME reports 1 microsecond" do
@@ -47,15 +19,15 @@ describe "Process.clock_getres" do
 
   # These are observed
 
-  platform_is_not :solaris, :aix, :openbsd do
-    it "with Process::CLOCK_REALTIME reports at least 1 microsecond" do
-      Process.clock_getres(Process::CLOCK_REALTIME, :nanosecond).should <= 1_000
+  platform_is :linux, :darwin, :windows do
+    it "with Process::CLOCK_REALTIME reports at least 10 millisecond" do
+      Process.clock_getres(Process::CLOCK_REALTIME, :nanosecond).should <= 10_000_000
     end
   end
 
-  platform_is_not :aix, :openbsd do
-    it "with Process::CLOCK_MONOTONIC reports at least 1 microsecond" do
-      Process.clock_getres(Process::CLOCK_MONOTONIC, :nanosecond).should <= 1_000
+  platform_is :linux, :darwin, :windows do
+    it "with Process::CLOCK_MONOTONIC reports at least 10 millisecond" do
+      Process.clock_getres(Process::CLOCK_MONOTONIC, :nanosecond).should <= 10_000_000
     end
   end
 end