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Posted to commits@stdcxx.apache.org by an...@apache.org on 2006/05/16 15:36:33 UTC
svn commit: r406940 -
/incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp
Author: antonp
Date: Tue May 16 06:36:32 2006
New Revision: 406940
URL: http://svn.apache.org/viewcvs?rev=406940&view=rev
Log:
2006-05-16 Anton Pevtsov <an...@moscow.vdiweb.com>
STDCXX-4
* 21.string.swap.cpp: New test exercising lib.string.swap.
Added:
incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp (with props)
Added: incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp
URL: http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp?rev=406940&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp (added)
+++ incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp Tue May 16 06:36:32 2006
@@ -0,0 +1,323 @@
+/***************************************************************************
+ *
+ * 21.string.swap.cpp - string test exercising [lib.string::swap]
+ *
+ * $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 <cstddef> // size_t
+#include <exception> // for exception
+
+#include <21.strings.h> // for StringMembers
+#include <driver.h> // for rw_assert()
+#include <rw_char.h> // for rw_expand()
+#include <rw_new.h> // for bad_alloc, replacement operator new
+
+/**************************************************************************/
+
+// for convenience and brevity
+#define Swap(which) StringMembers::swap_ ## which
+
+typedef StringMembers::OverloadId OverloadId;
+typedef StringMembers::TestCase TestCase;
+typedef StringMembers::Test Test;
+typedef StringMembers::Function MemFun;
+
+static const char* const exceptions[] = {
+ "unknown exception", "out_of_range", "length_error",
+ "bad_alloc", "exception"
+};
+
+/**************************************************************************/
+
+// exercises:
+// swap (basic_string&)
+static const TestCase
+str_test_cases [] = {
+
+#undef TEST
+#define TEST(str, arg) \
+ { __LINE__, -1, -1, -1, -1, -1, \
+ str, sizeof str - 1, arg, sizeof arg - 1, \
+ 0, 0, 0 \
+ }
+
+ // +------------------------- controlled "destination" (str) sequence
+ // | +------------ controlled "source" (arg) sequence
+ // | |
+ // V V
+ TEST ("", ""),
+ TEST ("", "a"),
+ TEST ("a", ""),
+ TEST ("", "\0"),
+ TEST ("\0", ""),
+
+ TEST ("a", "b"),
+ TEST ("a", "bc"),
+ TEST ("ab", "c"),
+
+ TEST ("a\0b\0\0c", "\0b\0\0c"),
+ TEST ("\0b\0\0c", "a\0b\0\0c"),
+
+ TEST ("a\0b\0\0c", "\0\0"),
+ TEST ("\0\0", "a\0b\0\0c"),
+
+ TEST ("x@4096", ""),
+ TEST ("", "x@4096"),
+ TEST ("x@4096", "\0\0\0"),
+ TEST ("\0\0\0", "x@4096"),
+ TEST ("x@4096", "x@4096"),
+
+ TEST ("", 0),
+ TEST ("\0", 0),
+ TEST ("abc", 0),
+ TEST ("a\0b\0\0c", 0),
+ TEST ("x@4096", 0),
+
+ TEST (0, ""),
+ TEST (0, "\0"),
+ TEST (0, "abc@1024"),
+ TEST (0, "a\0b\0\0c"),
+ TEST (0, "x@4096"),
+
+ TEST ("last", "test")
+};
+
+
+/**************************************************************************/
+
+template <class charT, class Traits>
+void test_swap (charT, Traits*,
+ OverloadId which,
+ const TestCase &tcase)
+{
+ typedef std::allocator<charT> Allocator;
+ typedef std::basic_string <charT, Traits, Allocator> String;
+ typedef UserTraits<UserChar>::MemFun UTMemFun;
+
+ _RWSTD_UNUSED (which);
+
+ 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 and the argument string
+ String s_str (wstr, str_len);
+ String s_arg (warg, arg_len);
+
+ if (wstr != wstr_buf)
+ delete[] wstr;
+
+ if (warg != warg_buf)
+ delete[] warg;
+
+ wstr = 0;
+ warg = 0;
+
+ if (0 == tcase.arg)
+ arg_len = str_len;
+
+ // save the state of the string object before the call
+ // to detect wxception safety violations (changes to
+ // the state of the object after an exception)
+ const StringState str_state (rw_get_string_state (s_str));
+
+ const charT* const p1 = s_str.data ();
+ const charT* const p2 = tcase.arg ? s_arg.data () : s_str.data ();
+
+ const char* src = tcase.arg ? tcase.arg : tcase.str;
+ const std::size_t src_len = tcase.arg ? tcase.arg_len : tcase.str_len;
+ String& arg_str = tcase.arg ? s_arg : s_str;
+
+ std::size_t n_total_op_assign = 0;
+ std::size_t n_total_op_assign2 = 0;
+ std::size_t n_total_op_copy = 0;
+ std::size_t n_total_op_move = 0;
+
+ std::size_t* const rg_calls = rw_get_call_counters ((Traits*)0, (charT*)0);
+ if (rg_calls) {
+ n_total_op_assign = rg_calls[UTMemFun::assign];
+ n_total_op_assign2 = rg_calls[UTMemFun::assign2];
+ n_total_op_copy = rg_calls[UTMemFun::copy];
+ n_total_op_move = rg_calls[UTMemFun::move];
+ }
+
+#ifndef _RWSTD_NO_EXCEPTIONS
+
+ // no exceptions expected
+ const char* expected = 0;
+ const char* caught = 0;
+
+#else // if defined (_RWSTD_NO_EXCEPTIONS)
+
+ if (tcase.bthrow)
+ return;
+
+#endif // _RWSTD_NO_EXCEPTIONS
+
+ try {
+
+ // start checking for memory leaks
+ rwt_check_leaks (0, 0);
+
+ if (0 == tcase.str)
+ String ().swap (arg_str);
+ else
+ s_str.swap (arg_str);
+
+ if (rg_calls) {
+
+ std::size_t n_op_assign =
+ rg_calls[UTMemFun::assign] - n_total_op_assign;
+ std::size_t n_op_assign2 =
+ rg_calls[UTMemFun::assign2] - n_total_op_assign2;
+ std::size_t n_op_copy =
+ rg_calls[UTMemFun::copy] - n_total_op_copy;
+ std::size_t n_op_move =
+ rg_calls[UTMemFun::move] - n_total_op_move;
+
+ bool success =
+ 0 == (n_op_assign | n_op_assign2 | n_op_copy | n_op_move);
+
+ rw_assert (success, 0, tcase.line,
+ "line %d. %{$FUNCALL}: complexity: %zu assigns, "
+ "%zu assign2s, %zu copies, %zu moves", __LINE__,
+ n_op_assign, n_op_assign2, n_op_copy, n_op_move);
+ }
+
+ if (0 == tcase.str) {
+
+ rw_assert (0 == arg_str.capacity (), 0, tcase.line,
+ "line %d. %{$FUNCALL}: expected 0 capacity, got %zu",
+ __LINE__, arg_str.capacity ());
+ }
+ else {
+
+ const charT* const res_p1 = s_str.data ();
+ const charT* const res_p2 =
+ tcase.arg ? s_arg.data () : s_str.data ();
+
+ const std::size_t res1_len = s_str.size ();
+ const std::size_t res2_len =
+ tcase.arg ? s_arg.size () : s_str.size ();
+
+ rw_assert (res_p1 == p2 && res_p2 == p1, 0, tcase.line,
+ "line %d. %{$FUNCALL}: got offset %td from expected value,"
+ " arg.data (): got offset %td from expected value",
+ __LINE__, p2 - res_p1, p1 - res_p2);
+
+ std::size_t match = rw_match (tcase.str, res_p2, tcase.str_len);
+
+ rw_assert (match == str_len, 0, tcase.line,
+ "line %d. %{$FUNCALL}: this == %{#*s}, got this = "
+ "%{/*.*Gs}, differs at pos %zu",
+ __LINE__, int (src_len), src, int (sizeof (charT)),
+ int (res1_len), res_p1, match);
+
+ match = rw_match (src, res_p1, src_len);
+
+ rw_assert (match == arg_len, 0, tcase.line,
+ "line %d. %{$FUNCALL}: str == %{#*s}, got str = "
+ "%{/*.*Gs}, differs at pos %zu",
+ __LINE__, int (tcase.str_len), tcase.str,
+ int (sizeof (charT)), int (res2_len), res_p2, match);
+ }
+ }
+
+#ifndef _RWSTD_NO_EXCEPTIONS
+
+ catch (const std::exception &ex) {
+ caught = exceptions [4];
+ rw_assert (0, 0, tcase.line,
+ "line %d. %{$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. %{$FUNCALL} %{?}expected %s,%{:}"
+ "unexpectedly%{;} caught %s",
+ __LINE__, 0 != expected, expected, caught);
+ }
+
+#endif // _RWSTD_NO_EXCEPTIONS
+
+ /* const */ std::size_t nbytes;
+ const std::size_t nblocks = rwt_check_leaks (&nbytes, 0);
+
+ // FIXME: verify the number of blocks the function call
+ // is expected to allocate and detect any memory leaks
+ const std::size_t expect_blocks = nblocks;
+
+ rw_assert (nblocks == expect_blocks, 0, tcase.line,
+ "line %d. %{$FUNCALL} allocated %td bytes in %td blocks",
+ __LINE__, nbytes, expect_blocks);
+
+ if (caught) {
+ // verify that an exception thrown during allocation
+ // didn't cause a change in the state of the object
+ str_state.assert_equal (rw_get_string_state (s_str),
+ __LINE__, tcase.line, caught);
+ }
+ else if (-1 != 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);
+ }
+}
+
+/**************************************************************************/
+
+DEFINE_TEST_DISPATCH (test_swap);
+
+int main (int argc, char** argv)
+{
+ static const StringMembers::Test
+ tests [] = {
+
+#undef TEST
+#define TEST(tag) { \
+ StringMembers::swap_ ## tag, \
+ tag ## _test_cases, \
+ sizeof tag ## _test_cases / sizeof *tag ## _test_cases \
+ }
+
+ TEST (str)
+ };
+
+ const std::size_t test_count = sizeof tests / sizeof *tests;
+
+ return StringMembers::run_test (argc, argv, __FILE__,
+ "lib.string.swap",
+ test_swap, tests, test_count);
+}
Propchange: incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp
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Propchange: incubator/stdcxx/trunk/tests/strings/21.string.swap.cpp
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