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require File.expand_path('../../../spec_helper', __FILE__)
describe "Time#localtime" do
it "converts self to local time, modifying the receiver" do
# Testing with America/Regina here because it doesn't have DST.
with_timezone("CST", -6) do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime
t.should == Time.local(2007, 1, 9, 6, 0, 0)
end
end
it "returns self" do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime.should equal(t)
end
it "converts time to the UTC offset specified as an Integer number of seconds" do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime(3630)
t.should == Time.new(2007, 1, 9, 13, 0, 30, 3630)
t.utc_offset.should == 3630
end
describe "on a frozen time" do
it "does not raise an error if already in the right time zone" do
time = Time.now
time.freeze
time.localtime.should equal(time)
end
it "raises a RuntimeError if the time has a different time zone" do
time = Time.gm(2007, 1, 9, 12, 0, 0)
time.freeze
lambda { time.localtime }.should raise_error(RuntimeError)
end
end
describe "with an argument that responds to #to_int" do
it "coerces using #to_int" do
o = mock('integer')
o.should_receive(:to_int).and_return(3630)
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime(o)
t.should == Time.new(2007, 1, 9, 13, 0, 30, 3630)
t.utc_offset.should == 3630
end
end
it "returns a Time with a UTC offset of the specified number of Rational seconds" do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime(Rational(7201, 2))
t.should == Time.new(2007, 1, 9, 13, 0, Rational(1, 2), Rational(7201, 2))
t.utc_offset.should eql(Rational(7201, 2))
end
describe "with an argument that responds to #to_r" do
it "coerces using #to_r" do
o = mock_numeric('rational')
o.should_receive(:to_r).and_return(Rational(7201, 2))
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime(o)
t.should == Time.new(2007, 1, 9, 13, 0, Rational(1, 2), Rational(7201, 2))
t.utc_offset.should eql(Rational(7201, 2))
end
end
it "returns a Time with a UTC offset specified as +HH:MM" do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime("+01:00")
t.should == Time.new(2007, 1, 9, 13, 0, 0, 3600)
t.utc_offset.should == 3600
end
it "returns a Time with a UTC offset specified as -HH:MM" do
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime("-01:00")
t.should == Time.new(2007, 1, 9, 11, 0, 0, -3600)
t.utc_offset.should == -3600
end
platform_is_not :windows do
it "changes the timezone according to the set one" do
t = Time.new(2005, 2, 27, 22, 50, 0, -3600)
t.utc_offset.should == -3600
with_timezone("America/New_York") do
t.localtime
end
t.utc_offset.should == -18000
end
end
describe "with an argument that responds to #to_str" do
it "coerces using #to_str" do
o = mock('string')
o.should_receive(:to_str).and_return("+01:00")
t = Time.gm(2007, 1, 9, 12, 0, 0)
t.localtime(o)
t.should == Time.new(2007, 1, 9, 13, 0, 0, 3600)
t.utc_offset.should == 3600
end
end
it "raises ArgumentError if the String argument is not of the form (+|-)HH:MM" do
t = Time.now
lambda { t.localtime("3600") }.should raise_error(ArgumentError)
end
it "raises ArgumentError if the String argument is not in an ASCII-compatible encoding" do
t = Time.now
lambda { t.localtime("-01:00".encode("UTF-16LE")) }.should raise_error(ArgumentError)
end
it "raises ArgumentError if the argument represents a value less than or equal to -86400 seconds" do
t = Time.new
t.localtime(-86400 + 1).utc_offset.should == (-86400 + 1)
lambda { t.localtime(-86400) }.should raise_error(ArgumentError)
end
it "raises ArgumentError if the argument represents a value greater than or equal to 86400 seconds" do
t = Time.new
t.localtime(86400 - 1).utc_offset.should == (86400 - 1)
lambda { t.localtime(86400) }.should raise_error(ArgumentError)
end
end
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