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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/methods', __FILE__)
describe "Time.at" do
describe "passed Numeric" do
it "returns a Time object representing the given number of Integer seconds since 1970-01-01 00:00:00 UTC" do
Time.at(1184027924).getgm.asctime.should == "Tue Jul 10 00:38:44 2007"
end
it "returns a Time object representing the given number of Float seconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10.5)
t.usec.should == 500000.0
t.should_not == Time.at(10)
end
it "returns a non-UTC Time" do
Time.at(1184027924).utc?.should == false
end
it "returns a subclass instance on a Time subclass" do
c = Class.new(Time)
t = c.at(0)
t.should be_kind_of(c)
end
end
describe "passed Time" do
it "creates a new time object with the value given by time" do
t = Time.now
Time.at(t).inspect.should == t.inspect
end
it "creates a dup time object with the value given by time" do
t1 = Time.new
t2 = Time.at(t1)
t1.object_id.should_not == t2.object_id
end
it "returns a UTC time if the argument is UTC" do
t = Time.now.getgm
Time.at(t).utc?.should == true
end
it "returns a non-UTC time if the argument is non-UTC" do
t = Time.now
Time.at(t).utc?.should == false
end
it "returns a subclass instance" do
c = Class.new(Time)
t = c.at(Time.now)
t.should be_kind_of(c)
end
end
describe "passed non-Time, non-Numeric" do
it "raises a TypeError with a String argument" do
lambda { Time.at("0") }.should raise_error(TypeError)
end
it "raises a TypeError with a nil argument" do
lambda { Time.at(nil) }.should raise_error(TypeError)
end
describe "with an argument that responds to #to_int" do
ruby_version_is ""..."1.9" do
it "raises a TypeError" do
o = mock('integer')
o.should_not_receive(:to_int)
lambda { Time.at(o) }.should raise_error(TypeError)
end
end
ruby_version_is "1.9" do
it "coerces using #to_int" do
o = mock('integer')
o.should_receive(:to_int).and_return(0)
Time.at(o).should == Time.at(0)
end
end
end
describe "with an argument that responds to #to_r" do
ruby_version_is ""..."1.9" do
it "raises a TypeError" do
o = mock_numeric('rational')
o.should_not_receive(:to_r)
lambda { Time.at(o) }.should raise_error(TypeError)
end
end
ruby_version_is "1.9" do
it "coerces using #to_r" do
o = mock_numeric('rational')
o.should_receive(:to_r).and_return(Rational(5, 2))
Time.at(o).should == Time.at(Rational(5, 2))
end
end
end
end
describe "passed [Integer, Numeric]" do
it "returns a Time object representing the given number of seconds and Integer microseconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10, 500000)
t.tv_sec.should == 10
t.tv_usec.should == 500000
end
ruby_version_is "1.9" do
it "returns a Time object representing the given number of seconds and Float microseconds since 1970-01-01 00:00:00 UTC" do
t = Time.at(10, 500.500)
t.tv_sec.should == 10
t.tv_nsec.should == 500500
end
end
end
describe "with a second argument that responds to #to_int" do
it "coerces using #to_int" do
o = mock('integer')
o.should_receive(:to_int).and_return(10)
Time.at(0, o).should == Time.at(0, 10)
end
end
describe "with a second argument that responds to #to_r" do
ruby_version_is ""..."1.9" do
it "raises a TypeError" do
o = mock('rational')
o.should_not_receive(:to_r)
lambda { Time.at(0, o) }.should raise_error(TypeError)
end
end
ruby_version_is "1.9" do
it "coerces using #to_r" do
o = mock_numeric('rational')
o.should_receive(:to_r).and_return(Rational(5, 2))
Time.at(0, o).should == Time.at(0, Rational(5, 2))
end
end
end
describe "passed [Integer, nil]" do
it "raises a TypeError" do
lambda { Time.at(0, nil) }.should raise_error(TypeError)
end
end
describe "passed [Integer, String]" do
it "raises a TypeError" do
lambda { Time.at(0, "0") }.should raise_error(TypeError)
end
end
describe "passed [Time, Integer]" do
ruby_version_is ""..."1.9" do
it "raises a TypeError" do
lambda { Time.at(Time.now, 500000) }.should raise_error(TypeError)
end
end
ruby_bug "#8173", "2.0" do
it "raises a TypeError" do
lambda { Time.at(Time.now, 500000) }.should raise_error(TypeError)
end
end
end
end
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