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Handling negative indices in String#bytesplice

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This commit is contained in:
dearblue
2023-04-15 21:25:59 +09:00
parent dcced0016c
commit 5bc3a48ecb
2 changed files with 12 additions and 1 deletions
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test/t/string.rb
+5
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@@ -955,4 +955,9 @@ assert('String#bytesplice') do
# check the overflow to index and length (to be pass without crash)
assert_nothing_raised { "0123456789".bytesplice(8, ~(-1 << 31), "ab") } # for MRB_INT32
assert_nothing_raised { begin; "0123456789".bytesplice(8, ~(-1 << 63), "ab"); rescue ArgumentError, RangeError; end } # for MRB_INT64
# check the negative index
assert_equal "0ab3456789", "0123456789".bytesplice(-9, 2, "ab")
assert_equal "ab23456789", "0123456789".bytesplice(-10, 2, "ab")
assert_raise(IndexError) { "0123456789".bytesplice(-11, 2, "ab") }
end