diff options
| author | Jeremy Evans <[email protected]> | 2021-06-17 11:27:53 -0700 |
|---|---|---|
| committer | Jeremy Evans <[email protected]> | 2021-07-29 15:19:12 -0700 |
| commit | 9931e2f5091e95dd947de3b3a00167ae2fd5194a (patch) | |
| tree | f8b70b54c37bc3ee0b03b3a057c0bcbfd9f89a5a /test | |
| parent | 64ac984129a7a4645efe5ac57c168ef880b479b2 (diff) | |
Improve performance of Integer#digits
This speeds up performance by multiple orders of magnitude for
large integers.
Fixes [Bug #14391]
Co-authored-by: tompng (tomoya ishida) <[email protected]>
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/4584
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_integer.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb index 1cd256a1cf..9354514df0 100644 --- a/test/ruby/test_integer.rb +++ b/test/ruby/test_integer.rb @@ -576,6 +576,8 @@ class TestInteger < Test::Unit::TestCase assert_equal([0, 9, 8, 7, 6, 5, 4, 3, 2, 1], 1234567890.digits) assert_equal([90, 78, 56, 34, 12], 1234567890.digits(100)) assert_equal([10, 5, 6, 8, 0, 10, 8, 6, 1], 1234567890.digits(13)) + assert_equal((2 ** 1024).to_s(7).chars.map(&:to_i).reverse, (2 ** 1024).digits(7)) + assert_equal([0] * 100 + [1], (2 ** (128 * 100)).digits(2 ** 128)) end def test_digits_for_negative_numbers |