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[ruby/strscan] scan_integer(base: 16) ignore x suffix if not

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followed by hexadecimal
(https://github.com/ruby/strscan/pull/141)

Fix: https://github.com/ruby/strscan/issues/140

`0x<EOF>`, `0xZZZ` should be parsed as `0` instead of not matching at
all.

c4e4795ed2
This commit is contained in:
Jean Boussier 2025-02-20 10:25:03 +01:00 • committed by Hiroshi SHIBATA
parent 0f8a6e1f59
commit bf6c106d54
2 changed files with 15 additions and 10 deletions
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23
test/strscan/test_stringscanner.rb
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@ -1052,19 +1052,24 @@ module StringScannerTests
assert_predicate(s, :matched?)
s = create_string_scanner('0x')
assert_nil(s.scan_integer(base: 16))
assert_equal(0, s.pos)
refute_predicate(s, :matched?)
assert_equal(0, s.scan_integer(base: 16))
assert_equal(1, s.pos)
assert_predicate(s, :matched?)
s = create_string_scanner('0xyz')
assert_equal(0, s.scan_integer(base: 16))
assert_equal(1, s.pos)
assert_predicate(s, :matched?)
s = create_string_scanner('-0x')
assert_nil(s.scan_integer(base: 16))
assert_equal(0, s.pos)
refute_predicate(s, :matched?)
assert_equal(0, s.scan_integer(base: 16))
assert_equal(2, s.pos)
assert_predicate(s, :matched?)
s = create_string_scanner('+0x')
assert_nil(s.scan_integer(base: 16))
assert_equal(0, s.pos)
refute_predicate(s, :matched?)
assert_equal(0, s.scan_integer(base: 16))
assert_equal(2, s.pos)
assert_predicate(s, :matched?)
s = create_string_scanner('-123abc')
assert_equal(-0x123abc, s.scan_integer(base: 16))