diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-15 16:26:38 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-15 16:26:38 +0000 |
| commit | b59a158a1870000ef1db5acd52afa1b40e2c4fe6 (patch) | |
| tree | a6c4bd607c4247f2f31aa8cb4c2266cf90ae28fd /test/ruby | |
| parent | 72305d2531437e5303ac4d1c8756e81d35869149 (diff) | |
* array.c (rb_ary_sum): Don't yield same element twice.
Found by nagachika.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_array.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index fb6b2a42ad..4ae5f9f820 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1,6 +1,7 @@ # coding: US-ASCII # frozen_string_literal: false require 'test/unit' +require "delegate" require "rbconfig/sizeof" class TestArray < Test::Unit::TestCase @@ -2769,6 +2770,12 @@ class TestArray < Test::Unit::TestCase assert_int_equal(13, [1, 2].sum(10)) assert_int_equal(16, [1, 2].sum(10) {|v| v * 2 }) + yielded = [] + three = SimpleDelegator.new(3) + ary = [1, 2.0, three] + assert_float_equal(12.0, ary.sum {|x| yielded << x; x * 2 }) + assert_equal(ary, yielded) + assert_raise(TypeError) { [Object.new].sum } large_number = 100000000 |