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libstdc++: Fix sizeof(wide-string)-1 bug in std::regex test 

This uses sizeof on a wide string to get the length, which is wrong
because each wchar_t is more than one byte. This was presumably copied
from a narrow char test.

libstdc++-v3/ChangeLog:

	* testsuite/28_regex/basic_regex/assign/wchar_t/pstring.cc: Use
	wcslen(cs) instead of sizeof(cs)-1.

Reviewed-by: Tomasz Kamiński <tkaminsk@redhat.com>
This commit is contained in:
Jonathan Wakely 2025-10-01 13:11:38 +01:00 committed by Jonathan Wakely
parent 1e13fb44f1
commit f739d07b45
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1 changed files with 2 additions and 1 deletions
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libstdc++-v3/testsuite/28_regex/basic_regex/assign/wchar_t/pstring.cc
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@ -23,6 +23,7 @@
// [28.8.3] class template basic_regex assign() // [28.8.3] class template basic_regex assign()
#include <regex> #include <regex>
#include <cwchar>
// Tests assign operation from a Pascal-style counted-string. // Tests assign operation from a Pascal-style counted-string.
void test01() void test01()
@ -31,7 +32,7 @@ void test01()
const wchar_t cs[] = L"aab"; const wchar_t cs[] = L"aab";
test_type re; test_type re;
re.assign(cs, sizeof(cs)-1, std::regex_constants::basic); re.assign(cs, std::wcslen(cs), std::regex_constants::basic);
} }
int int