1 files changed, 67 insertions, 1 deletions
diff --git a/test/t/range.rb b/test/t/range.rb
index 106c2866e..13843ff08 100644
--- a/test/t/range.rb
+++ b/test/t/range.rb
@@ -8,19 +8,30 @@ end
 assert('Range#==', '15.2.14.4.1') do
   assert_true (1..10) == (1..10)
   assert_false (1..10) == (1..100)
+  assert_false (1..10) == (1..)
+
+  assert_true (1..) == (1..nil)
+  assert_true (1..) == (1..)
+  assert_false (1..) == (1...)
+
   skip unless Object.const_defined?(:Float)
   assert_true (1..10) == Range.new(1.0, 10.0)
+
 end
 
 assert('Range#===', '15.2.14.4.2') do
   a = (1..10)
+  b = (1..)
 
   assert_true a === 5
   assert_false a === 20
+  assert_true b === 20
+  assert_false b === 0
 end
 
 assert('Range#begin', '15.2.14.4.3') do
   assert_equal 1, (1..10).begin
+  assert_equal 1, (1..).begin
 end
 
 assert('Range#each', '15.2.14.4.4') do
@@ -28,27 +39,38 @@ assert('Range#each', '15.2.14.4.4') do
   b = 0
   a.each {|i| b += i}
   assert_equal 6, b
+  c = []
+  (1..).each { |i| c << i; break if c.size == 10 }
+  assert_equal [1, 2, 3, 4, 5, 6, 7, 8 ,9, 10], c
 end
 
 assert('Range#end', '15.2.14.4.5') do
   assert_equal 10, (1..10).end
+  assert_nil (1..).end
 end
 
 assert('Range#exclude_end?', '15.2.14.4.6') do
   assert_true (1...10).exclude_end?
   assert_false (1..10).exclude_end?
+  assert_true (1...).exclude_end?
+  assert_false (1..).exclude_end?
 end
 
 assert('Range#first', '15.2.14.4.7') do
   assert_equal 1, (1..10).first
+  assert_equal 1, (1..).first
 end
 
 assert('Range#include?', '15.2.14.4.8') do
   assert_true (1..10).include?(10)
   assert_false (1..10).include?(11)
+  assert_true (1..).include?(10)
+  assert_false (1..).include?(0)
 
   assert_true (1...10).include?(9)
   assert_false (1...10).include?(10)
+  assert_true (1...).include?(10)
+  assert_false (1...).include?(0)
 end
 
 assert('Range#initialize', '15.2.14.4.9') do
@@ -61,17 +83,29 @@ assert('Range#initialize', '15.2.14.4.9') do
   assert_false b.exclude_end?
 
   assert_raise(NameError) { (0..1).__send__(:initialize, 1, 3) }
+
+  c = Range.new(1, nil, true)
+  d = Range.new(1, nil, false)
+
+  assert_equal (1...nil), c
+  assert_true c.exclude_end?
+  assert_equal (1..nil), d
+  assert_false d.exclude_end?
 end
 
 assert('Range#last', '15.2.14.4.10') do
   assert_equal 10, (1..10).last
+  assert_nil (1..).last
 end
 
 assert('Range#member?', '15.2.14.4.11') do
   a = (1..10)
+  b = (1..)
 
   assert_true a.member?(5)
   assert_false a.member?(20)
+  assert_true b.member?(20)
+  assert_false b.member?(0)
 end
 
 assert('Range#to_s', '15.2.14.4.12') do
@@ -79,6 +113,10 @@ assert('Range#to_s', '15.2.14.4.12') do
   assert_equal "0...1", (0...1).to_s
   assert_equal "a..b", ("a".."b").to_s
   assert_equal "a...b", ("a"..."b").to_s
+  assert_equal "0..", (0..).to_s
+  assert_equal "0...", (0...).to_s
+  assert_equal "a..", ("a"..).to_s
+  assert_equal "a...", ("a"...).to_s
 end
 
 assert('Range#inspect', '15.2.14.4.13') do
@@ -86,19 +124,36 @@ assert('Range#inspect', '15.2.14.4.13') do
   assert_equal "0...1", (0...1).inspect
   assert_equal "\"a\"..\"b\"", ("a".."b").inspect
   assert_equal "\"a\"...\"b\"", ("a"..."b").inspect
+  assert_equal "0..", (0..).inspect
+  assert_equal "0...", (0...).inspect
+  assert_equal "\"a\"..", ("a"..).inspect
+  assert_equal "\"a\"...", ("a"...).inspect
 end
 
 assert('Range#eql?', '15.2.14.4.14') do
   assert_true (1..10).eql? (1..10)
   assert_false (1..10).eql? (1..100)
-  assert_false (1..10).eql? (Range.new(1.0, 10.0))
   assert_false (1..10).eql? "1..10"
+  assert_true (1..).eql? (1..)
+  assert_false (1..).eql? (2..)
+  assert_false (1..).eql? "1.."
+  skip unless Object.const_defined?(:Float)
+  assert_false (1..10).eql? (Range.new(1.0, 10.0))
+  assert_false (1..).eql? (Range.new(1.0, nil)) 
 end
 
 assert('Range#initialize_copy', '15.2.14.4.15') do
   assert_raise(NameError) { (0..1).__send__(:initialize_copy, 1..3) }
 end
 
+assert('Range#hash', '15.3.1.3.15') do
+  assert_kind_of(Integer, (1..10).hash)
+  assert_equal (1..10).hash, (1..10).hash
+  assert_not_equal (1..10).hash, (1...10).hash
+  assert_equal (1..).hash, (1..).hash
+  assert_not_equal (1..).hash, (1...).hash
+end
+
 assert('Range#dup') do
   r = (1..3).dup
   assert_equal 1, r.begin
@@ -109,4 +164,15 @@ assert('Range#dup') do
   assert_equal "a", r.begin
   assert_equal "z", r.end
   assert_true r.exclude_end?
+
+  r = (1..).dup
+  assert_equal 1, r.begin
+  assert_nil r.end
+  assert_false r.exclude_end?
+end
+
+assert('Range#to_a') do
+  assert_equal([1, 2, 3, 4, 5], (1..5).to_a)
+  assert_equal([1, 2, 3, 4], (1...5).to_a)
+  assert_raise(RangeError) { (1..).to_a }
 end