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Add tests for IO::Buffer get/set.

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This commit is contained in:
Samuel Williams 2021-12-20 12:11:58 +13:00
parent 71bbc40ffa
commit c3d8d26ad7
Notes: git 2021-12-21 08:26:08 +09:00 
Merged: https://github.com/ruby/ruby/pull/5303
1 changed files with 36 additions and 0 deletions
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test/ruby/test_io_buffer.rb
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@ -201,6 +201,42 @@ class TestIOBuffer < Test::Unit::TestCase
chunk = buffer.get_string(0, message.bytesize, Encoding::BINARY)
assert_equal Encoding::BINARY, chunk.encoding
end
# We check that values are correctly round tripped.
RANGES = {
:U8 => [0, 2**8-1],
:S8 => [-2**7, 0, 2**7-1],
:U16 => [0, 2**16-1],
:S16 => [-2**15, 0, 2**15-1],
:u16 => [0, 2**16-1],
:s16 => [-2**15, 0, 2**15-1],
:U32 => [0, 2**32-1],
:S32 => [-2**31, 0, 2**31-1],
:u32 => [0, 2**32-1],
:s32 => [-2**31, 0, 2**31-1],
:U64 => [0, 2**64-1],
:S64 => [-2**63, 0, 2**63-1],
:u64 => [0, 2**64-1],
:s64 => [-2**63, 0, 2**63-1],
:F32 => [-1.0, 0.0, 0.5, 1.0, 128.0],
:F64 => [-1.0, 0.0, 0.5, 1.0, 128.0],
}
def test_get_set
buffer = IO::Buffer.new(128)
RANGES.each do |type, values|
values.each do |value|
buffer.set(type, 0, value)
assert_equal value, buffer.get(type, 0), "Converting #{value} as #{type}."
end
end
end
def test_invalidation
input, output = IO.pipe