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Diffstat (limited to 'spec/ruby/core/time/localtime_spec.rb')
-rw-r--r-- | spec/ruby/core/time/localtime_spec.rb | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/spec/ruby/core/time/localtime_spec.rb b/spec/ruby/core/time/localtime_spec.rb new file mode 100644 index 0000000000..6f682b0b34 --- /dev/null +++ b/spec/ruby/core/time/localtime_spec.rb @@ -0,0 +1,127 @@ +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 |