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401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
127 lines
4 KiB
Ruby
127 lines
4 KiB
Ruby
require_relative '../../spec_helper'
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describe "Time#localtime" do
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it "converts self to local time, modifying the receiver" do
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# Testing with America/Regina here because it doesn't have DST.
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with_timezone("CST", -6) do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime
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t.should == Time.local(2007, 1, 9, 6, 0, 0)
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end
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end
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it "returns self" do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime.should equal(t)
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end
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it "converts time to the UTC offset specified as an Integer number of seconds" do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime(3630)
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t.should == Time.new(2007, 1, 9, 13, 0, 30, 3630)
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t.utc_offset.should == 3630
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end
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describe "on a frozen time" do
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it "does not raise an error if already in the right time zone" do
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time = Time.now
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time.freeze
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time.localtime.should equal(time)
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end
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it "raises a RuntimeError if the time has a different time zone" do
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time = Time.gm(2007, 1, 9, 12, 0, 0)
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time.freeze
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lambda { time.localtime }.should raise_error(RuntimeError)
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end
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end
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describe "with an argument that responds to #to_int" do
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it "coerces using #to_int" do
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o = mock('integer')
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o.should_receive(:to_int).and_return(3630)
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime(o)
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t.should == Time.new(2007, 1, 9, 13, 0, 30, 3630)
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t.utc_offset.should == 3630
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end
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end
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it "returns a Time with a UTC offset of the specified number of Rational seconds" do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime(Rational(7201, 2))
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t.should == Time.new(2007, 1, 9, 13, 0, Rational(1, 2), Rational(7201, 2))
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t.utc_offset.should eql(Rational(7201, 2))
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end
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describe "with an argument that responds to #to_r" do
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it "coerces using #to_r" do
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o = mock_numeric('rational')
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o.should_receive(:to_r).and_return(Rational(7201, 2))
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime(o)
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t.should == Time.new(2007, 1, 9, 13, 0, Rational(1, 2), Rational(7201, 2))
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t.utc_offset.should eql(Rational(7201, 2))
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end
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end
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it "returns a Time with a UTC offset specified as +HH:MM" do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime("+01:00")
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t.should == Time.new(2007, 1, 9, 13, 0, 0, 3600)
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t.utc_offset.should == 3600
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end
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it "returns a Time with a UTC offset specified as -HH:MM" do
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime("-01:00")
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t.should == Time.new(2007, 1, 9, 11, 0, 0, -3600)
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t.utc_offset.should == -3600
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end
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platform_is_not :windows do
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it "changes the timezone according to the set one" do
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t = Time.new(2005, 2, 27, 22, 50, 0, -3600)
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t.utc_offset.should == -3600
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with_timezone("America/New_York") do
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t.localtime
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end
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t.utc_offset.should == -18000
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end
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end
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describe "with an argument that responds to #to_str" do
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it "coerces using #to_str" do
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o = mock('string')
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o.should_receive(:to_str).and_return("+01:00")
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t = Time.gm(2007, 1, 9, 12, 0, 0)
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t.localtime(o)
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t.should == Time.new(2007, 1, 9, 13, 0, 0, 3600)
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t.utc_offset.should == 3600
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end
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end
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it "raises ArgumentError if the String argument is not of the form (+|-)HH:MM" do
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t = Time.now
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lambda { t.localtime("3600") }.should raise_error(ArgumentError)
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end
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it "raises ArgumentError if the String argument is not in an ASCII-compatible encoding" do
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t = Time.now
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lambda { t.localtime("-01:00".encode("UTF-16LE")) }.should raise_error(ArgumentError)
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end
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it "raises ArgumentError if the argument represents a value less than or equal to -86400 seconds" do
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t = Time.new
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t.localtime(-86400 + 1).utc_offset.should == (-86400 + 1)
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lambda { t.localtime(-86400) }.should raise_error(ArgumentError)
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end
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it "raises ArgumentError if the argument represents a value greater than or equal to 86400 seconds" do
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t = Time.new
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t.localtime(86400 - 1).utc_offset.should == (86400 - 1)
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lambda { t.localtime(86400) }.should raise_error(ArgumentError)
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end
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end
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