* range.c (range_max): treat end exclusion without iteration if

  the end value is an integer.  [ruby-talk:167433]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 20 insertions, 0 deletions

diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index f0e0da2fd6..31f7e29de4 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -31,4 +31,24 @@ class TestRange < Test::Unit::TestCase
   def test_duckrange
     assert_equal("bc", "abcd"[DuckRange.new(1,2)])
   end
+
+  def test_min
+    assert_equal(1, (1..2).min)
+    assert_equal(nil, (2..1).min)
+    assert_equal(1, (1...2).min)
+
+    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)
+  end
+
+  def test_max
+    assert_equal(2, (1..2).max)
+    assert_equal(nil, (2..1).max)
+    assert_equal(1, (1...2).max)
+
+    assert_equal(2.0, (1.0..2.0).max)
+    assert_equal(nil, (2.0..1.0).max)
+    assert_raise(TypeError) { (1.0...2.0).max }
+  end
 end