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From ant...@apache.org
Subject svn commit: r410108 - /incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp
Date Mon, 29 May 2006 15:26:01 GMT
Author: antonp
Date: Mon May 29 08:26:00 2006
New Revision: 410108

URL: http://svn.apache.org/viewvc?rev=410108&view=rev
Log:
2006-05-29  Anton Pevtsov  <antonp@moscow.vdiweb.com>

	STDCXX-4
	* 21.string.opertators.cpp: New test exercising 
	lib.string.nonmembers operators.

Added:
    incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp   (with props)

Added: incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp
URL: http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp?rev=410108&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp (added)
+++ incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp Mon May 29 08:26:00 2006
@@ -0,0 +1,629 @@
+/***************************************************************************
+ *
+ * 21.string.operators.cpp - test exercising [lib.string.nonmembers]
+ *      except lib.string::op+ and lib.string.io
+ *      
+ * $Id$
+ *
+ ***************************************************************************
+ *
+ * Copyright 2006 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * Copyright 2006 Rogue Wave Software.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+#include <string>         // for string
+#include <stdexcept>      // for out_of_range, length_error
+
+#include <cstddef>        // for size_t
+
+#include <21.strings.h>   // for StringMembers
+#include <driver.h>       // for rw_test()
+#include <rw_allocator.h> // for UserAlloc
+#include <rw_char.h>      // for rw_expand()
+#include <rw_new.h>       // for bad_alloc, replacement operator new
+
+/**************************************************************************/
+
+// for convenience and brevity
+#define OpEqual(which)             StringIds::op_equal_ ## which
+#define OpNotEqual(which)          StringIds::op_not_equal_ ## which
+#define OpLess(which)              StringIds::op_less_ ## which
+#define OpLessEqual(which)         StringIds::op_less_equal_ ## which
+#define OpGreater(which)           StringIds::op_greater_ ## which
+#define OpGreaterEqual(which)      StringIds::op_greater_equal_ ## which
+
+static const char* const exceptions[] = {
+    "unknown exception", "out_of_range", "length_error",
+    "bad_alloc", "exception"
+};
+
+/**************************************************************************/
+
+// exercises:
+// operator == (const value_type*, const basic_string&)
+// operator != (const value_type*, const basic_string&)
+// operator <  (const value_type*, const basic_string&)
+// operator <= (const value_type*, const basic_string&)
+// operator >  (const value_type*, const basic_string&)
+// operator >= (const value_type*, const basic_string&)
+static const StringTestCase
+cptr_cstr_test_cases [] = {
+
+#undef TEST
+#define TEST(str, arg, res)                         \
+    { __LINE__, -1, -1, -1, -1, -1,                 \
+      str, sizeof str - 1, arg, sizeof arg - 1,     \
+      0, (std::size_t) res, 0                       \
+    }
+
+    //    +----------------------------------------- first sequence
+    //    |             +--------------------------- second sequence 
+    //    |             |              +------------ expected result 
+    //    |             |              |               -1 - first is less
+    //    |             |              |                0 - equal
+    //    |             |              |                1 - first is greater
+    //    |             |              |        
+    //    |             |              |        
+    //    V             V              V          
+    TEST ("ab",         "c",          -1),
+
+    TEST ("",           "",            0),
+    TEST ("",           "a",          -1),
+    TEST ("a",          "",            1),
+    TEST ("a",          "a",           0),
+
+    TEST ("\0",         "",            0),
+    TEST ("",           "\0",         -1),
+    TEST ("\0",         "\0",         -1),
+
+    TEST ("abcdefgjih", "abcdefgji",   1),
+    TEST ("abcdefgjih", "abcdefgjih",  0),
+    TEST ("abcdefgji",  "abcdefgjih", -1),
+    TEST ("abcefgjih",  "abcdefgjih",  1),
+    TEST ("abcdefgjih", "abcefgjih",  -1),
+
+    TEST ("\0ab\0\0c",  "\0ab\0\0c",  -1),
+    TEST ("ab\0\0c\0",  "ab",          0),
+    TEST ("e\0",        "ab\0\0c\0",   1),
+
+    TEST ("x@2048",     "x@2048",      0),
+    TEST ("x@2048",     "x@2049",     -1),
+    TEST ("x@2048",     "x@2047",      1),
+    TEST ("a@2048",     "b@2048",     -1),
+    TEST ("b@2048",     "a@2048",      1),
+    TEST ("a@2048\0",   "a@2048",      0),
+    TEST ("a@2048",     "a@2048\0",   -1),
+
+    TEST ("x@128",      "x@207",      -1),
+    TEST ("x@334",      "x@334",       0),
+    TEST ("x@873",      "x@540",       1),
+    TEST ("x@1412",     "x@2284",     -1),
+    TEST ("x@3695",     "x@3695",      0),
+    TEST ("x@4096",     "x@3695",      1),
+
+    TEST (0,            "abc",         0),
+    TEST (0,            "\0ab\0",     -1),
+    TEST (0,            "x@2048",      0),
+
+    TEST ("last",       "last",        0)
+};
+
+/**************************************************************************/
+
+// exercises:
+// operator == (const basic_string&, const basic_string&)
+// operator != (const basic_string&, const basic_string&)
+// operator <  (const basic_string&, const basic_string&)
+// operator <= (const basic_string&, const basic_string&)
+// operator >  (const basic_string&, const basic_string&)
+// operator >= (const basic_string&, const basic_string&)
+static const StringTestCase
+cstr_cstr_test_cases [] = {
+
+#undef TEST
+#define TEST(str, arg, res)                         \
+    { __LINE__, -1, -1, -1, -1, -1,                 \
+      str, sizeof str - 1, arg, sizeof arg - 1,     \
+      0, (std::size_t) res, 0                       \
+    }
+
+    //    +----------------------------------------- first sequence
+    //    |             +--------------------------- second sequence 
+    //    |             |              +------------ expected result 
+    //    |             |              |               -1 - first is less
+    //    |             |              |                0 - equal
+    //    |             |              |                1 - first is greater
+    //    |             |              |        
+    //    |             |              |        
+    //    V             V              V          
+    TEST ("ab",         "c",          -1),
+
+    TEST ("",           "",            0),
+    TEST ("",           "a",          -1),
+    TEST ("a",          "",            1),
+    TEST ("a",          "a",           0),
+
+    TEST ("\0",         "",            1),
+    TEST ("",           "\0",         -1),
+    TEST ("\0",         "\0",          0),
+
+    TEST ("abcdefgjih", "abcdefgji",   1),
+    TEST ("abcdefgjih", "abcdefgjih",  0),
+    TEST ("abcdefgji",  "abcdefgjih", -1),
+    TEST ("abcefgjih",  "abcdefgjih",  1),
+    TEST ("abcdefgjih", "abcefgjih",  -1),
+
+    TEST ("\0ab\0\0c",  "\0ab\0\0c",   0),
+    TEST ("ab\0\0c\0",  "\0ab\0\0c",   1),
+    TEST ("ab\0\0c\0",  "ab\0\0c\0",   0),
+    TEST ("ab\0\0c\0",  "ab",          1),
+    TEST ("ab",         "ab\0\0c\0",  -1),
+    TEST ("ab\0\0\0",   "ab\0\0c\0",  -1),
+    TEST ("ab\0\0\0",   "ab\0\0\0",    0),
+    TEST ("e\0",        "ab\0\0c\0",   1),
+    TEST ("ab\0\0c\0",  "e\0",        -1),
+
+    TEST ("x@2048",     "x@2048",      0),
+    TEST ("x@2048",     "x@2049",     -1),
+    TEST ("x@2048",     "x@2047",      1),
+    TEST ("a@2048",     "b@2048",     -1),
+    TEST ("b@2048",     "a@2048",      1),
+    TEST ("\0a@2048",   "a@2048\0",   -1),
+    TEST ("a@2048\0",   "\0a@2048",    1),
+    TEST ("a@2048\0",   "a@2048",      1),
+    TEST ("a@2048",     "a@2048\0",   -1),
+    TEST ("a@2048\0",   "a@2048\0",    0),
+
+    TEST ("x@128",      "x@207",      -1),
+    TEST ("x@334",      "x@334",       0),
+    TEST ("x@873",      "x@540",       1),
+    TEST ("x@1412",     "x@2284",     -1),
+    TEST ("x@3695",     "x@3695",      0),
+    TEST ("x@4096",     "x@3695",      1),
+
+    TEST (0,            "abc",         0),
+    TEST (0,            "\0ab\0",      0),
+    TEST (0,            "x@2048",      0),
+    TEST ("abc",        0,             0),
+    TEST ("\0ab\0",     0,             0),
+    TEST ("x@2048",     0,             0),
+
+    TEST ("last",       "last",        0)
+};
+
+/**************************************************************************/
+
+// exercises:
+// operator == (const basic_string&, const value_type*)
+// operator != (const basic_string&, const value_type*)
+// operator <  (const basic_string&, const value_type*)
+// operator <= (const basic_string&, const value_type*)
+// operator >  (const basic_string&, const value_type*)
+// operator >= (const basic_string&, const value_type*)
+static const StringTestCase
+cstr_cptr_test_cases [] = {
+
+#undef TEST
+#define TEST(str, arg, res)                         \
+    { __LINE__, -1, -1, -1, -1, -1,                 \
+      str, sizeof str - 1, arg, sizeof arg - 1,     \
+      0, (std::size_t) res, 0                       \
+    }
+
+    //    +----------------------------------------- first sequence
+    //    |             +--------------------------- second sequence 
+    //    |             |              +------------- expected result 
+    //    |             |              |               -1 - first is less
+    //    |             |              |                0 - equal
+    //    |             |              |                1 - first is greater
+    //    |             |              |        
+    //    |             |              |        
+    //    V             V              V          
+    TEST ("ab",         "c",          -1),
+
+    TEST ("",           "",            0),
+    TEST ("",           "a",          -1),
+    TEST ("a",          "",            1),
+    TEST ("a",          "a",           0),
+
+    TEST ("\0",         "",            1),
+    TEST ("",           "\0",          0),
+    TEST ("\0",         "\0",          1),
+
+    TEST ("abcdefgjih", "abcdefgji",   1),
+    TEST ("abcdefgjih", "abcdefgjih",  0),
+    TEST ("abcdefgji",  "abcdefgjih", -1),
+    TEST ("abcefgjih",  "abcdefgjih",  1),
+    TEST ("abcdefgjih", "abcefgjih",  -1),
+
+    TEST ("\0ab\0\0c",  "\0ab\0\0c",   1),
+    TEST ("ab",         "ab\0\0c\0",   0),
+    TEST ("e\0",        "ab\0\0c\0",   1),
+    TEST ("ab\0\0c\0",  "e\0",        -1),
+
+    TEST ("x@2048",     "x@2048",      0),
+    TEST ("x@2048",     "x@2049",     -1),
+    TEST ("x@2048",     "x@2047",      1),
+    TEST ("a@2048",     "b@2048",     -1),
+    TEST ("b@2048",     "a@2048",      1),
+    TEST ("a@2048",     "a@2048\0",    0),
+    TEST ("a@2048\0",   "a@2048\0",    1),
+
+    TEST ("x@128",      "x@207",      -1),
+    TEST ("x@334",      "x@334",       0),
+    TEST ("x@873",      "x@540",       1),
+    TEST ("x@1412",     "x@2284",     -1),
+    TEST ("x@3695",     "x@3695",      0),
+    TEST ("x@4096",     "x@3695",      1),
+
+    TEST ("abc",        0,             0),
+    TEST ("\0ab\0",     0,             1),
+    TEST ("x@2048",     0,             0),
+
+    TEST ("last",       "last",        0)
+};
+
+/**************************************************************************/
+
+template <class charT, class Traits, class Allocator>
+void test_operators (charT, Traits*, Allocator*,
+                     const StringFunc     &func,
+                     const StringTestCase &tcase)
+{
+    typedef std::basic_string <charT, Traits, Allocator> String;
+    typedef typename UserTraits<charT>::MemFun           UTMemFun;
+
+    static const std::size_t BUFSIZE = 256;
+
+    static charT wstr_buf [BUFSIZE];
+    static charT warg_buf [BUFSIZE];
+
+    std::size_t str_len = sizeof wstr_buf / sizeof *wstr_buf;
+    std::size_t arg_len = sizeof warg_buf / sizeof *warg_buf;
+
+    charT* wstr = rw_expand (wstr_buf, tcase.str, tcase.str_len, &str_len);
+    charT* warg = rw_expand (warg_buf, tcase.arg, tcase.arg_len, &arg_len);
+
+    // construct the string object to be modified
+    // and the (possibly unused) argument string
+    /* const */ String  s_str (wstr, str_len);
+    const       String  s_arg (warg, arg_len);
+
+    if (wstr != wstr_buf)
+        delete[] wstr;
+
+    if (warg != warg_buf)
+        delete[] warg;
+
+    wstr = 0;
+    warg = 0;
+
+    const charT* const arg1_ptr = tcase.str ? s_str.c_str () : s_arg.c_str ();
+    const String&      arg1_str = tcase.str ? s_str : s_arg;
+    const charT* const arg2_ptr = tcase.arg ? s_arg.c_str () : s_str.c_str ();
+    const String&      arg2_str = tcase.arg ? s_arg : s_str;
+
+    std::size_t total_length_calls = 0;
+    std::size_t n_length_calls = 0;
+    std::size_t* const rg_calls = rw_get_call_counters ((Traits*)0, (charT*)0);
+
+    if (rg_calls)
+        total_length_calls = rg_calls [UTMemFun::length];
+
+    rwt_free_store* const pst = rwt_get_free_store (0);
+    SharedAlloc*    const pal = SharedAlloc::instance ();
+
+    // iterate for`throw_after' starting at the next call to operator new,
+    // forcing each call to throw an exception, until the function finally
+    // succeeds (i.e, no exception is thrown)
+    std::size_t throw_count;
+    for (throw_count = 0; ; ++throw_count) {
+
+        // (name of) expected and caught exception
+        const char* expected = 0;
+        const char* caught   = 0;
+
+#ifndef _RWSTD_NO_EXCEPTIONS
+
+        if (0 == tcase.bthrow) {
+            // by default excercise the exception safety of the function
+            // by iteratively inducing an exception at each call to operator
+            // new or Allocator::allocate() until the call succeeds
+            expected = exceptions [3];      // bad_alloc
+            *pst->throw_at_calls_ [0] = pst->new_calls_ [0] + throw_count + 1;
+            pal->throw_at_calls_ [pal->m_allocate] =
+                pal->throw_at_calls_ [pal->m_allocate] + throw_count + 1;
+        }
+        else {
+            // exceptions disabled for this test case
+        }
+
+#else   // if defined (_RWSTD_NO_EXCEPTIONS)
+
+    if (tcase.bthrow) {
+        if (wres != wres_buf)
+            delete[] wres;
+
+        return;
+    }
+
+#endif   // _RWSTD_NO_EXCEPTIONS
+
+        try {
+
+            bool res = false;
+
+            switch (func.which_) {
+            // exercise cptr_cstr cases
+            case OpEqual (cptr_cstr): 
+                res = arg1_ptr == arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpNotEqual (cptr_cstr): 
+                res = arg1_ptr != arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpLess (cptr_cstr): 
+                res = arg1_ptr < arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpLessEqual (cptr_cstr): 
+                res = arg1_ptr <= arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpGreater (cptr_cstr): 
+                res = arg1_ptr > arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpGreaterEqual (cptr_cstr): 
+                res = arg1_ptr >= arg2_str;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+
+            // exercise cstr_cstr cases
+            case OpEqual (cstr_cstr): 
+                res = arg1_str == arg2_str;
+                break;
+            
+            case OpNotEqual (cstr_cstr): 
+                res = arg1_str != arg2_str;
+                break;
+            
+            case OpLess (cstr_cstr): 
+                res = arg1_str < arg2_str;
+                break;
+            
+            case OpLessEqual (cstr_cstr): 
+                res = arg1_str <= arg2_str;
+                break;
+            
+            case OpGreater (cstr_cstr): 
+                res = arg1_str > arg2_str;
+                break;
+            
+            case OpGreaterEqual (cstr_cstr): 
+                res = arg1_str >= arg2_str;
+                break;
+            
+
+            // exercise cstr_cptr cases
+            case OpEqual (cstr_cptr): 
+                res = arg1_str == arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpNotEqual (cstr_cptr): 
+                res = arg1_str != arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpLess (cstr_cptr): 
+                res = arg1_str < arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpLessEqual (cstr_cptr): 
+                res = arg1_str <= arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpGreater (cstr_cptr): 
+                res = arg1_str > arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+            
+            case OpGreaterEqual (cstr_cptr): 
+                res = arg1_str >= arg2_ptr;
+                if (rg_calls)
+                    n_length_calls = rg_calls [UTMemFun::length];
+                break;
+
+            default:
+                RW_ASSERT ("test logic error: unknown operator overload");
+                return;
+            }
+
+            // form the expected result
+            bool exp_res = false;
+            switch (func.which_ & StringIds::fid_mask) {
+                case StringIds::fid_op_equal: 
+                    exp_res = 0 == tcase.nres;
+                    break;
+                
+                case StringIds::fid_op_not_equal: 
+                    exp_res = 0 != tcase.nres;
+                    break;
+                
+                case StringIds::fid_op_less: 
+                    exp_res = NPOS == tcase.nres;
+                    break;
+                
+                case StringIds::fid_op_less_equal: 
+                    exp_res = 1 != tcase.nres;
+                    break;
+                
+                case StringIds::fid_op_greater: 
+                    exp_res = 1 == tcase.nres;
+                    break;
+                
+                case StringIds::fid_op_greater_equal: 
+                    exp_res = NPOS != tcase.nres;
+                    break;
+            }
+
+            // verify the result
+            rw_assert (res == exp_res, 0, tcase.line,
+                       "line %d. %{$FUNCALL} expected %b, got %b",
+                       __LINE__, exp_res, res);
+
+            // verify that Traits::length was used
+            std::size_t exp_len_used = 
+                (StringIds::arg_cstr << StringIds::fid_bits) 
+              | (StringIds::arg_cstr << StringIds::arg_bits 
+                                     << StringIds::fid_bits);
+
+            std::size_t verlen = 
+                func.which_ & ~StringIds::fid_mask & ~exp_len_used;
+
+            if (verlen && rg_calls) {
+                rw_assert (n_length_calls - total_length_calls > 0, 
+                           0, tcase.line, "line %d. %{$FUNCALL} doesn't "
+                           "use traits::length()", __LINE__);
+            }
+        }
+
+#ifndef _RWSTD_NO_EXCEPTIONS
+
+        catch (const std::bad_alloc &ex) {
+            caught = exceptions [3];
+            rw_assert (0 == tcase.bthrow, 0, tcase.line,
+                       "line %d. %{$FUNCALL} %{?}expected %s,%{:}"
+                       "unexpectedly%{;} caught std::%s(%#s)",
+                       __LINE__, 0 != expected, expected, caught, ex.what ());
+        }
+        catch (const std::exception &ex) {
+            caught = exceptions [4];
+            rw_assert (0, 0, tcase.line,
+                       "line %d. %{$FUNCALL} %{?}expected %s,%{:}"
+                       "unexpectedly%{;} caught std::%s(%#s)",
+                       __LINE__, 0 != expected, expected, caught, ex.what ());
+        }
+        catch (...) {
+            caught = exceptions [0];
+            rw_assert (0, 0, tcase.line,
+                       "line %d. %{$FUNCALL} %{?}expected %s,%{:}"
+                       "unexpectedly%{;} caught %s",
+                       __LINE__, 0 != expected, expected, caught);
+        }
+
+#endif   // _RWSTD_NO_EXCEPTIONS
+
+        if (caught) {
+
+            if (0 == tcase.bthrow) {
+                // allow this call to operator new to succeed and try
+                // to make the next one to fail during the next call
+                // to the same function again
+                continue;
+            }
+        }
+        else if (0 < tcase.bthrow) {
+            rw_assert (caught == expected, 0, tcase.line,
+                       "line %d. %{$FUNCALL} %{?}expected %s, caught %s"
+                       "%{:}unexpectedly caught %s%{;}",
+                       __LINE__, 0 != expected, expected, caught, caught);
+        }
+
+        break;
+    }
+
+    const std::size_t expect_throws = 0;
+
+    rw_assert (expect_throws == throw_count, 0, tcase.line,
+               "line %d: %{$FUNCALL}: expected no %s exceptions, got %zu",
+               __LINE__, exceptions [3], throw_count);
+
+    // disable bad_alloc exceptions
+    *pst->throw_at_calls_ [0] = 0;
+    pal->throw_at_calls_ [pal->m_allocate] = 0;
+}
+
+/**************************************************************************/
+
+DEFINE_STRING_TEST_DISPATCH (test_operators);
+
+int main (int argc, char** argv)
+{
+    static const StringTest
+    tests [] = {
+
+#undef TEST
+#define TEST(oper, tag) {                                           \
+        StringIds::op_ ## oper ## _ ## tag, tag ## _test_cases,     \
+        sizeof tag ## _test_cases / sizeof *tag ## _test_cases      \
+    }
+
+        TEST (equal, cptr_cstr),
+        TEST (equal, cstr_cptr),
+        TEST (equal, cstr_cstr),
+
+        TEST (not_equal, cptr_cstr),
+        TEST (not_equal, cstr_cptr),
+        TEST (not_equal, cstr_cstr),
+
+        TEST (less, cptr_cstr),
+        TEST (less, cstr_cptr),
+        TEST (less, cstr_cstr),
+
+        TEST (less_equal, cptr_cstr),
+        TEST (less_equal, cstr_cptr),
+        TEST (less_equal, cstr_cstr),
+
+        TEST (greater, cptr_cstr),
+        TEST (greater, cstr_cptr),
+        TEST (greater, cstr_cstr),
+
+        TEST (greater_equal, cptr_cstr),
+        TEST (greater_equal, cstr_cptr),
+        TEST (greater_equal, cstr_cstr)
+
+    };
+
+    const std::size_t test_count = sizeof tests / sizeof *tests;
+
+    return rw_run_string_test (argc, argv, __FILE__,
+                               "lib.string.nonmembers",
+                               test_operators, tests, test_count);
+}

Propchange: incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp
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    svn:eol-style = native

Propchange: incubator/stdcxx/trunk/tests/strings/21.string.operators.cpp
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    svn:keywords = Id



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