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* range.c (range_max, range_min): return nil for empty set as well as

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1.8 and Enumerable.  [ruby-dev:31198]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2007-07-13 02:33:11 +00:00
parent 608545ced0
commit 113a709cce
3 changed files with 13 additions and 1 deletions
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6
test/ruby/test_range.rb
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@ -40,6 +40,9 @@ class TestRange < Test::Unit::TestCase
assert_equal(1.0, (1.0..2.0).min)
assert_equal(nil, (2.0..1.0).min)
assert_equal(1, (1.0...2.0).min)
assert_equal(0, (0..0).min)
assert_equal(nil, (0...0).min)
end
def test_max
@ -52,5 +55,8 @@ class TestRange < Test::Unit::TestCase
assert_raise(TypeError) { (1.0...2.0).max }
assert_equal(-0x80000002, ((-0x80000002)...(-0x80000001)).max)
assert_equal(0, (0..0).max)
assert_equal(nil, (0...0).max)
end
end