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Extra specs for String#append_as_bytes #1237

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Merged
andrykonchin merged 1 commit into from
Jan 9, 2025
Merged

Extra specs for String#append_as_bytes #1237

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12 changes: 12 additions & 0 deletions core/string/append_as_bytes_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,18 @@
str.should == "hello\xE2\x82\f+\xAC".b
end

it "truncates integers to the least significant byte" do
str = +""
str.append_as_bytes(0x131, 0x232, 0x333, bignum_value, bignum_value(1))
str.bytes.should == [0x31, 0x32, 0x33, 0, 1]
end

it "wraps negative integers" do
str = "".b
str.append_as_bytes(-1, -bignum_value, -bignum_value(1))
str.bytes.should == [0xFF, 0, 0xFF]
end

it "only accepts strings or integers, and doesn't attempt to cast with #to_str or #to_int" do
to_str = mock("to_str")
to_str.should_not_receive(:to_str)
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