summaryrefslogtreecommitdiff
path: root/test/ruby/test_array.rb
diff options
context:
space:
mode:
Diffstat (limited to 'test/ruby/test_array.rb')
-rw-r--r--test/ruby/test_array.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 7a5fbdb766..9962745f1c 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -2967,6 +2967,13 @@ 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([]))