diff options
author | NAKAMURA Usaku <usa@ruby-lang.org> | 2021-12-31 19:48:24 +0900 |
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committer | NAKAMURA Usaku <usa@ruby-lang.org> | 2021-12-31 19:48:24 +0900 |
commit | 426266af2cbfba8d42a82abcce1bb3ca6c039e87 (patch) | |
tree | e76143fff5a4ec330c1752f95bdca2beef27ee23 /test | |
parent | 7d3cff6e41d73a00f3d0fdb337743f654e42f1a8 (diff) |
merge revision(s) fdf39963490cf2cf95b30d91bb9b35964c2c2350: [Backport #18421]
Empty and return the buffer if zero size is given [Bug #18421]
In `IO#readpartial` and `IO#read_nonblock`, as well as `IO#read`.
---
io.c | 8 ++++++--
test/ruby/test_io.rb | 21 +++++++++++++++++++++
2 files changed, 27 insertions(+), 2 deletions(-)
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_io.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index 306f0bcce0..1e4d88ef1e 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -1446,6 +1446,13 @@ class TestIO < Test::Unit::TestCase end) end + def test_readpartial_zero_size + File.open(IO::NULL) do |r| + assert_empty(r.readpartial(0, s = "01234567")) + assert_empty(s) + end + end + def test_readpartial_buffer_error with_pipe do |r, w| s = "" @@ -1491,6 +1498,13 @@ class TestIO < Test::Unit::TestCase end) end + def test_read_zero_size + File.open(IO::NULL) do |r| + assert_empty(r.read(0, s = "01234567")) + assert_empty(s) + end + end + def test_read_buffer_error with_pipe do |r, w| s = "" @@ -1528,6 +1542,13 @@ class TestIO < Test::Unit::TestCase } end + def test_read_nonblock_zero_size + File.open(IO::NULL) do |r| + assert_empty(r.read_nonblock(0, s = "01234567")) + assert_empty(s) + end + end + def test_write_nonblock_simple_no_exceptions pipe(proc do |w| w.write_nonblock('1', exception: false) |