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ruby--ruby/spec/rubyspec/core/time/usec_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-07 12:04:49 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
describe "Time#usec" do
it "returns 0 for a Time constructed with a whole number of seconds" do
Time.at(100).usec.should == 0
end
it "returns the microseconds part of a Time constructed with a Float number of seconds" do
Time.at(10.75).usec.should == 750_000
end
it "returns the microseconds part of a Time constructed with an Integer number of microseconds" do
Time.at(0, 999_999).usec.should == 999_999
end
it "returns the microseconds part of a Time constructed with an Float number of microseconds > 1" do
Time.at(0, 3.75).usec.should == 3
end
it "returns 0 for a Time constructed with an Float number of microseconds < 1" do
Time.at(0, 0.75).usec.should == 0
end
it "returns the microseconds part of a Time constructed with a Rational number of seconds" do
Time.at(Rational(3, 2)).usec.should == 500_000
end
it "returns the microseconds part of a Time constructed with an Rational number of microseconds > 1" do
Time.at(0, Rational(99, 10)).usec.should == 9
end
it "returns 0 for a Time constructed with an Rational number of microseconds < 1" do
Time.at(0, Rational(9, 10)).usec.should == 0
end
it "returns the microseconds for time created by Time#local" do
Time.local(1,2,3,4,5,Rational(6.78)).usec.should == 780000
end
end