7419bb3ebb
Also switch float64 NaN encoding to use hexadecimal, and accept hexadecimal encoding for all other integer types too. (That gives us the flexibility to change the encodings in either direction in the future without breaking earlier Go versions.) Out-of-range runes encoded using "%q" were previously replaced with the Unicode replacement charecter, losing their values. Out-of-range ints and uints on 32-bit platforms were previously rejected. Now they are wrapped instead: an “interesting” case with a large int or uint found on a 64-bit platform likely remains interesting on a 32-bit platform, even if the specific values differ. To verify the above changes, I have made TestMarshalUnmarshal accept (and check for) arbitrary differences between input and output, and added tests cases that include values in valid but non-canonical encodings. I have also added round-trip fuzz tests in the opposite direction for most of the types affected by this change, verifying that a marshaled value unmarshals to the same bitwise value. Updates #51258 Updates #51526 Fixes #51528 Change-Id: I7727a9d0582d81be0d954529545678a4374e88ed Reviewed-on: https://go-review.googlesource.com/c/go/+/390424 Trust: Bryan Mills <bcmills@google.com> Run-TryBot: Bryan Mills <bcmills@google.com> Reviewed-by: Roland Shoemaker <roland@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> |
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README.md
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