From 4e88e8692844a2a317bc19481f0f2601b6f00955 Mon Sep 17 00:00:00 2001
From: manga_osyo <manga.osyo@gmail.com>
Date: Tue, 30 Apr 2019 23:18:44 +0900
Subject: Add exception support in `Range#first`.

Closes: https://github.com/ruby/ruby/pull/2163
---
 test/ruby/test_range.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index b1008d041f..5d21d30257 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -443,6 +443,8 @@ class TestRange < Test::Unit::TestCase
     assert_equal("a", ("a"..nil).first)
     assert_raise(RangeError) { (0..nil).last }
     assert_raise(RangeError) { (0..nil).last(3) }
+    assert_raise(RangeError) { (nil..0).first }
+    assert_raise(RangeError) { (nil..0).first(3) }
 
     assert_equal([0, 1, 2], (0..10).first(3.0))
     assert_equal([8, 9, 10], (0..10).last(3.0))
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