locale_facets.tcc (collate::do_hash): Fix.

2002-02-11  Aaron W LaFramboise  <AWLaFramboise@aol.com>

	* include/bits/locale_facets.tcc (collate::do_hash): Fix.
	* testsuite/22_locale/collate_members_char.cc (test03): New test.
	* testsuite/22_locale/collate_members_wchar_t.cc (test03): Same.

From-SVN: r49682

libstdc++-v3/ChangeLog

+2002-02-11  Aaron W LaFramboise  <AWLaFramboise@aol.com>
+
+	* include/bits/locale_facets.tcc (collate::do_hash): Fix.
+	* testsuite/22_locale/collate_members_char.cc (test03): New test.
+	* testsuite/22_locale/collate_members_wchar_t.cc (test03): Same.
+	
 2002-02-10  Phil Edwards  <pme@gcc.gnu.org>
 
 	* include/bits/stl_algo.h (transform (both signatures), generate_n):

libstdc++-v3/include/bits/locale_facets.tcc

@@ -1855,7 +1855,7 @@ namespace std
       unsigned long __val = 0;
       for (; __lo < __hi; ++__lo)
 	__val = *__lo + ((__val << 7) | 
-		       (__val >> (numeric_limits<unsigned long>::digits - 1)));
+		       (__val >> (numeric_limits<unsigned long>::digits - 7)));
       return static_cast<long>(__val);
     }
 

libstdc++-v3/testsuite/22_locale/collate_members_char.cc

@@ -147,12 +147,24 @@ void test02()
 #endif
 }
 
+void test03()
+{
+  bool test = true;
+  std::string str1("fffff");
+  std::string str2("ffffffffffff");
+
+  const std::locale cloc = std::locale::classic();
+  const std::collate<char> &col = std::use_facet<std::collate<char> >(cloc);
+
+  long l1 = col.hash(str1.c_str(), str1.c_str() + str1.size());
+  long l2 = col.hash(str2.c_str(), str2.c_str() + str2.size());
+  VERIFY( l1 != l2 );
+}
+
 int main()
 {
   test01();
   test02();
+  test03();
   return 0;
 }
-
-
-

libstdc++-v3/testsuite/22_locale/collate_members_wchar_t.cc

@@ -146,6 +146,20 @@ void test02()
     }
 #endif
 }
+
+void test03()
+{
+  bool test = true;
+  std::wstring str1(L"fffff");
+  std::wstring str2(L"ffffffffffff");
+
+  const std::locale cloc = std::locale::classic();
+  const std::collate<wchar_t> &col = std::use_facet<std::collate<wchar_t> >(cloc);
+
+  long l1 = col.hash(str1.c_str(), str1.c_str() + str1.size());
+  long l2 = col.hash(str2.c_str(), str2.c_str() + str2.size());
+  VERIFY( l1 != l2 );
+}
 #endif
 
 int main()
@@ -153,10 +167,7 @@ int main()
 #if _GLIBCPP_USE_WCHAR_T
   test01();
   test02();
+  test03();
 #endif
   return 0;
 }
-
-
-
-