Fix ArithmeticSequence#last and ArithmeticSequence#each for non-integer sequences (#3870)

[Bug #17218]
[ruby-core:100312]

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_arithmetic_sequence.rb b/test/ruby/test_arithmetic_sequence.rb
index 70ec113e61..a1193637ef 100644
--- a/test/ruby/test_arithmetic_sequence.rb
+++ b/test/ruby/test_arithmetic_sequence.rb
@@ -264,6 +264,11 @@ class TestArithmeticSequence < Test::Unit::TestCase
     assert_instance_of Integer, res[1]
   end
 
+  def test_last_bug17218
+    seq = (1.0997r .. 1.1r).step(0.0001r)
+    assert_equal(1.1r, seq.last, '[ruby-core:100312] [Bug #17218]')
+  end
+
   def test_to_a
     assert_equal([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 1.step(10).to_a)
     assert_equal([1, 3, 5, 7, 9], 1.step(10, 2).to_a)
@@ -279,6 +284,11 @@ class TestArithmeticSequence < Test::Unit::TestCase
                           '[ruby-core:90648] [Bug #15444]')
   end
 
+  def test_last_bug17218
+    seq = (1.0997r .. 1.1r).step(0.0001r)
+    assert_equal([1.0997r, 1.0998r, 1.0999r, 1.1r], seq.to_a, '[ruby-core:100312] [Bug #17218]')
+  end
+
   def test_slice
     seq = 1.step(10, 2)
     assert_equal([[1, 3, 5], [7, 9]], seq.each_slice(3).to_a)