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Add String#bytesplice

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This commit is contained in:
Shugo Maeda 2022-02-22 10:41:56 +09:00
parent b8e72bd2e9
commit 1107839a7f
Notes: git 2022-03-18 11:51:26 +09:00
2 changed files with 115 additions and 0 deletions
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44
test/ruby/test_string.rb
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@ -3395,6 +3395,50 @@ CODE
assert_nil(S("こ").byterindex(S("こんにちは")))
assert_nil(S("").byterindex(S("こんにちは")))
end
def test_bytesplice
assert_bytesplice_raise(IndexError, S("hello"), -6, 0, "xxx")
assert_bytesplice_result("xxxhello", S("hello"), -5, 0, "xxx")
assert_bytesplice_result("xxxhello", S("hello"), 0, 0, "xxx")
assert_bytesplice_result("xxxello", S("hello"), 0, 1, "xxx")
assert_bytesplice_result("xxx", S("hello"), 0, 5, "xxx")
assert_bytesplice_result("xxx", S("hello"), 0, 6, "xxx")
assert_bytesplice_raise(RangeError, S("hello"), -6...-6, "xxx")
assert_bytesplice_result("xxxhello", S("hello"), -5...-5, "xxx")
assert_bytesplice_result("xxxhello", S("hello"), 0...0, "xxx")
assert_bytesplice_result("xxxello", S("hello"), 0..0, "xxx")
assert_bytesplice_result("xxxello", S("hello"), 0...1, "xxx")
assert_bytesplice_result("xxxllo", S("hello"), 0..1, "xxx")
assert_bytesplice_result("xxx", S("hello"), 0..-1, "xxx")
assert_bytesplice_result("xxx", S("hello"), 0...5, "xxx")
assert_bytesplice_result("xxx", S("hello"), 0...6, "xxx")
assert_bytesplice_raise(TypeError, S("hello"), 0, "xxx")
assert_bytesplice_raise(IndexError, S("こんにちは"), -16, 0, "xxx")
assert_bytesplice_result("xxxこんにちは", S("こんにちは"), -15, 0, "xxx")
assert_bytesplice_result("xxxこんにちは", S("こんにちは"), 0, 0, "xxx")
assert_bytesplice_raise(IndexError, S("こんにちは"), 1, 0, "xxx")
assert_bytesplice_raise(IndexError, S("こんにちは"), 0, 1, "xxx")
assert_bytesplice_raise(IndexError, S("こんにちは"), 0, 2, "xxx")
assert_bytesplice_result("xxxんにちは", S("こんにちは"), 0, 3, "xxx")
assert_bytesplice_result("こんにちはxxx", S("こんにちは"), 15, 0, "xxx")
assert_bytesplice_result("", S(""), 0, 0, "")
assert_bytesplice_result("xxx", S(""), 0, 0, "xxx")
end
private
def assert_bytesplice_result(expected, s, *args)
assert_equal(args.last, s.send(:bytesplice, *args))
assert_equal(expected, s)
end
def assert_bytesplice_raise(e, s, *args)
assert_raise(e) { s.send(:bytesplice, *args) }
end
end
class TestString2 < TestString