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Merge pull request #4985 from shigeya/range_overlaps_to_use_cover

make Range#overlaps? accept Range of Time
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2 parents 415424f + 6f68e63 commit fc3fad8d85a82e2ac9ed5c108fb2410b72ab447b @tenderlove tenderlove committed Feb 10, 2012
@@ -3,6 +3,6 @@ class Range
# (1..5).overlaps?(4..6) # => true
# (1..5).overlaps?(7..9) # => false
def overlaps?(other)
- include?(other.first) || other.include?(first)
+ cover?(other.first) || other.cover?(first)
end
end
@@ -71,4 +71,16 @@ def test_cover_is_not_override
range = (1..3)
assert range.method(:include?) != range.method(:cover?)
end
+
+ def test_overlaps_on_time
+ time_range_1 = Time.utc(2005, 12, 10, 15, 30)..Time.utc(2005, 12, 10, 17, 30)
+ time_range_2 = Time.utc(2005, 12, 10, 17, 00)..Time.utc(2005, 12, 10, 18, 00)
+ assert time_range_1.overlaps?(time_range_2)
+ end
+
+ def test_no_overlaps_on_time
+ time_range_1 = Time.utc(2005, 12, 10, 15, 30)..Time.utc(2005, 12, 10, 17, 30)
+ time_range_2 = Time.utc(2005, 12, 10, 17, 31)..Time.utc(2005, 12, 10, 18, 00)
+ assert !time_range_1.overlaps?(time_range_2)
+ end
end

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