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Merge pull request #18365 from pocke/fix_datatime_compare

DateTime#<=> return nil when compare to the invalid String as Time.
This commit is contained in:
Aaron Patterson 2015-06-12 10:56:18 -07:00
commit 04e727dac4
3 changed files with 15 additions and 1 deletions

View file

@ -168,7 +168,7 @@ class DateTime
if other.kind_of?(Infinity)
super
elsif other.respond_to? :to_datetime
super other.to_datetime
super other.to_datetime rescue nil
else
nil
end

View file

@ -343,6 +343,13 @@ class DateTimeExtCalculationsTest < ActiveSupport::TestCase
assert_equal(-1, DateTime.civil(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), ActiveSupport::TimeZone['UTC'] ))
end
def test_compare_with_string
assert_equal 1, DateTime.civil(2000) <=> Time.utc(1999, 12, 31, 23, 59, 59).to_s
assert_equal 0, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 0).to_s
assert_equal( -1, DateTime.civil(2000) <=> Time.utc(2000, 1, 1, 0, 0, 1).to_s)
assert_equal nil, DateTime.civil(2000) <=> "Invalid as Time"
end
def test_to_f
assert_equal 946684800.0, DateTime.civil(2000).to_f
assert_equal 946684800.0, DateTime.civil(1999,12,31,19,0,0,Rational(-5,24)).to_f

View file

@ -733,6 +733,13 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase
assert_equal(-1, Time.utc(2000) <=> ActiveSupport::TimeWithZone.new( Time.utc(2000, 1, 1, 0, 0, 1), ActiveSupport::TimeZone['UTC'] ))
end
def test_compare_with_string
assert_equal 1, Time.utc(2000) <=> Time.utc(1999, 12, 31, 23, 59, 59, 999).to_s
assert_equal 0, Time.utc(2000) <=> Time.utc(2000, 1, 1, 0, 0, 0).to_s
assert_equal( -1, Time.utc(2000) <=> Time.utc(2000, 1, 1, 0, 0, 1, 0).to_s)
assert_equal nil, Time.utc(2000) <=> 'Invalid as Time'
end
def test_at_with_datetime
assert_equal Time.utc(2000, 1, 1, 0, 0, 0), Time.at(DateTime.civil(2000, 1, 1, 0, 0, 0))