ruby.git/test/ruby/test_io_buffer.rb, branch v3_4_9 The Ruby Programming Language merge revision(s) f430fbbfacea5690d790dd9060ca4118431fc2fb, c353b625297162024b5a80480664e599dd49a294: [Backport #21787] 2026-01-25T07:37:10+00:00 nagachika nagachika@ruby-lang.org 2026-01-25T07:37:10+00:00 45100545b056792fb5701a93abd1f78259a6224e [PATCH] IO::Buffer: Fill the test for `IO::Buffer#clear` [PATCH] [Bug #21787] IO::Buffer: Check addition overflows https://hackerone.com/reports/3437743 
	[PATCH] IO::Buffer: Fill the test for `IO::Buffer#clear`

	[PATCH] [Bug #21787] IO::Buffer: Check addition overflows

	https://hackerone.com/reports/3437743
io_buffer.c: Allow copies between overlapping buffers with #copy and #set_string (#11640) 2024-11-06T20:55:39+00:00 Kasumi Hanazuki kasumi@rollingapple.net 2024-11-06T20:55:39+00:00 35bf6603372360c7680653328274a670fa1d9f38 The current implementation of `IO::Buffer#copy` and `#set_string` has an undefined behavior when the source and destination memory overlaps, due to the underlying use of the `memcpy` C function. This patch guarantees the methods to be safe even when copying between overlapping buffers by replacing `memcpy` with `memmove`, Fixes: [Bug #20745] 
The current implementation of `IO::Buffer#copy` and `#set_string` has
an undefined behavior when the source and destination memory overlaps,
due to the underlying use of the `memcpy` C function.

This patch guarantees the methods to be safe even when copying between
overlapping buffers by replacing `memcpy` with `memmove`,

Fixes: [Bug #20745]
 Add `IO::Buffer` tests for read and write with length & offset. (#11779) 2024-10-03T12:29:16+00:00 Samuel Williams samuel.williams@oriontransfer.co.nz 2024-10-03T12:29:16+00:00 cd96af2cb88a0b98add14eacf0005a8bee505d5d 






[Bug #20755] Frozen string should not be writable via IO::Buffer
2024-10-01T09:46:35+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2024-09-30T13:49:09+00:00

35e124832e29b65c84d4e0e4e434616859f9bdf5












[Bug #20752] Slice of readonly `IO::Buffer` also should be readonly
2024-09-30T11:39:14+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2024-09-30T07:24:03+00:00

637067440f74043c6d79fc649ab8acf1afea25a5












Improve behavioural consistency of unallocated (zero length) `IO::Buffer`. (#9532)
2024-01-14T21:47:13+00:00

Samuel Williams
samuel.williams@oriontransfer.co.nz

2024-01-14T21:47:13+00:00

c5cf4d4e129f64cb69aaf0a829aed068ef1943c4

This makes the behaviour of IO::Buffer.new(0) and IO::Buffer.new.slice(0, 0) consistent.

Fixes https://bugs.ruby-lang.org/issues/19542 and https://bugs.ruby-lang.org/issues/18805.




This makes the behaviour of IO::Buffer.new(0) and IO::Buffer.new.slice(0, 0) consistent.

Fixes https://bugs.ruby-lang.org/issues/19542 and https://bugs.ruby-lang.org/issues/18805.






Fix Window private file mapping unlink EACCES issue. (#9358)
2023-12-26T11:36:56+00:00

Samuel Williams
samuel.williams@oriontransfer.co.nz

2023-12-26T11:36:56+00:00

e5a4f757bdf5dc3d8c329ddd268432f9ecc7bff6

* Don't return early.

* Add missing `mapping` assignment.

* Make debug logs conditional.




* Don't return early.

* Add missing `mapping` assignment.

* Make debug logs conditional.






Do not leave test file
2023-12-25T04:01:55+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2023-12-25T02:13:27+00:00

2cdbeb29e6e06d3492e2d4a388558ab883b07150

Run this test separately because something seems remained unreleased
on Windows.





Run this test separately because something seems remained unreleased
on Windows.







Correctly release the underlying file mapping. (#9340)
2023-12-25T01:20:53+00:00

Samuel Williams
samuel.williams@oriontransfer.co.nz

2023-12-25T01:20:53+00:00

260bf60e52ffdfa625be1153624b0d123fc305f8

* Avoiding using `Tempfile` which was retaining the file preventing it from unlinking.




* Avoiding using `Tempfile` which was retaining the file preventing it from unlinking.






IO::Buffer improvements and documentation. (#9329)
2023-12-24T13:03:36+00:00

Samuel Williams
samuel.williams@oriontransfer.co.nz

2023-12-24T13:03:36+00:00

37753f163e461e157e6e224d9d3e5626427a50cc

* Restore experimental warnings.

* Documentation and code structure improvements.

* Improved validation of flags, clarified documentation of argument handling.

* Remove inconsistent use of `Example:` and add example to `null?`.

* Expose `IO::Buffer#private?` and add test.




* Restore experimental warnings.

* Documentation and code structure improvements.

* Improved validation of flags, clarified documentation of argument handling.

* Remove inconsistent use of `Example:` and add example to `null?`.

* Expose `IO::Buffer#private?` and add test.