watson1978	2018-06-25 22:18:44 +0900 (Mon, 25 Jun 2018)

  New Revision: 63750

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63750

  Log:
    test_range.rb: add tests to improve coverage
    
    This patch will improve the result of line coverage from 91.3% to 95.0%.
    [Fix GH-1899]

  Modified files:
    trunk/test/ruby/test_range.rb
Index: test/ruby/test_range.rb
===================================================================
--- test/ruby/test_range.rb	(revision 63749)
+++ test/ruby/test_range.rb	(revision 63750)
@@ -240,6 +240,18 @@ class TestRange < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_range.rb#L240
     assert_equal(["a"], a)
 
     a = []
+    (:a .. :z).step(2) {|x| a << x }
+    assert_equal(%i(a c e g i k m o q s u w y), a)
+
+    a = []
+    (:a .. ).step(2) {|x| a << x; break if a.size == 13 }
+    assert_equal(%i(a c e g i k m o q s u w y), a)
+
+    a = []
+    (:a .. :z).step(2**32) {|x| a << x }
+    assert_equal([:a], a)
+
+    a = []
     (2**32-1 .. 2**32+1).step(2) {|x| a << x }
     assert_equal([4294967295, 4294967297], a)
     zero = (2**32).coerce(0).first
@@ -493,6 +505,8 @@ class TestRange < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_range.rb#L505
     assert_include("a"..."z", "y")
     assert_not_include("a"..."z", "z")
     assert_not_include("a".."z", "cc")
+    assert_include("a".., "c")
+    assert_not_include("a".., "5")
     assert_include(0...10, 5)
     assert_include(5..., 10)
     assert_not_include(5..., 0)

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