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Bug #627 » _dump_spec.rb

wilson (Wilson Bilkovich), 10/10/2008 04:30 AM

 
require File.dirname(__FILE__) + '/../../spec_helper'
require File.dirname(__FILE__) + '/fixtures/methods'

describe "Time#_dump" do
before :each do
@t = Time.at(946812800)
@s = @t._dump
@t = @t.gmtime
end

ruby_bug("#", "1.8.7") do
it "preserves the GMT flag" do
@t.gmt?.should == true
dump = @t._dump.unpack("LL").first
((dump >> 30) & 0x1).should == 1
end

it "dumps a Time object to a bytestring" do
@s.should be_kind_of(String)
@s.should == [3222863947, 2235564032].pack("LL")
end

it "dumps an array with a date as first element" do
high = 1 << 31 |
(@t.gmt? ? 1 : 0) << 30 |
(@t.year - 1900) << 14 |
(@t.mon - 1) << 10 |
@t.mday << 5 |
@t.hour

high.should == @s.unpack("LL").first
end
end

it "dumps an array with a time as second element" do
low = @t.min << 26 |
@t.sec << 20 |
@t.usec
low.should == @s.unpack("LL").last
end
end

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