diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-08-27 14:11:19 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-08-27 14:11:19 +0000 |
commit | ba757763464cb3cd344454bb8d8e062ca92d2a3d (patch) | |
tree | b7a832a8b1049393093d8f340952e2d6b32b48b8 /test | |
parent | 95abe79e04c3238ea2dde68ea1ab567e354aad21 (diff) |
merge revision(s) 64014: [Backport #14926]
fix sum on infinity
* array.c (rb_ary_sum): consider non-finite floats.
[ruby-core:88024] [Bug #14926]
* enum.c (sum_iter): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@64562 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_array.rb | 7 | ||||
-rw-r--r-- | test/ruby/test_enum.rb | 15 |
2 files changed, 22 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 42830063b5..2297ab01bc 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -2835,6 +2835,13 @@ class TestArray < Test::Unit::TestCase assert_float_equal(large_number+(small_number*10), [large_number/1r, *[small_number]*10].sum) assert_float_equal(large_number+(small_number*11), [small_number, large_number/1r, *[small_number]*10].sum) assert_float_equal(small_number, [large_number, small_number, -large_number].sum) + assert_equal(+Float::INFINITY, [+Float::INFINITY].sum) + assert_equal(+Float::INFINITY, [0.0, +Float::INFINITY].sum) + assert_equal(+Float::INFINITY, [+Float::INFINITY, 0.0].sum) + assert_equal(-Float::INFINITY, [-Float::INFINITY].sum) + assert_equal(-Float::INFINITY, [0.0, -Float::INFINITY].sum) + assert_equal(-Float::INFINITY, [-Float::INFINITY, 0.0].sum) + assert_predicate([-Float::INFINITY, Float::INFINITY].sum, :nan?) assert_equal("abc", ["a", "b", "c"].sum("")) assert_equal([1, [2], 3], [[1], [[2]], [3]].sum([])) diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb index 468a32a9a1..dd2357602f 100644 --- a/test/ruby/test_enum.rb +++ b/test/ruby/test_enum.rb @@ -909,6 +909,21 @@ class TestEnumerable < Test::Unit::TestCase assert_float_equal(large_number+(small_number*11), [small_number, large_number/1r, *[small_number]*10].each.sum) assert_float_equal(small_number, [large_number, small_number, -large_number].each.sum) + k = Class.new do + include Enumerable + def initialize(*values) + @values = values + end + def each(&block) + @values.each(&block) + end + end + assert_equal(+Float::INFINITY, k.new(0.0, +Float::INFINITY).sum) + assert_equal(+Float::INFINITY, k.new(+Float::INFINITY, 0.0).sum) + assert_equal(-Float::INFINITY, k.new(0.0, -Float::INFINITY).sum) + assert_equal(-Float::INFINITY, k.new(-Float::INFINITY, 0.0).sum) + assert_predicate(k.new(-Float::INFINITY, Float::INFINITY).sum, :nan?) + assert_equal("abc", ["a", "b", "c"].each.sum("")) assert_equal([1, [2], 3], [[1], [[2]], [3]].each.sum([])) |