/*************************************************************************** * * 26.template.indirect.array.cpp - tests exercising class template * indirect_array * * $Id: 26.indirect.array.cpp 492025 2007-01-03 02:48:52Z sebor $ * *************************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you 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 // for strtol(), size_t #include // for indirect_array, valarray #include /**************************************************************************/ // returns a valarray constructed from a string of comma-separated values // if there are fewer than n values in the string the remaining values are // taken to be the same as the last one, i.e., the call // make_array("1,2,3", 5) returns valarray({1,2,3,3}) template std::valarray make_array (const char *s, std::size_t n = 0) { if (0 == s || '\0' == *s) return n ? std::valarray(T (), n) : std::valarray(); T buf [256]; for (std::size_t i = 0; ; ++i) { char *end; long val = std::strtol (s, &end, 0); RW_ASSERT (s < end); RW_ASSERT ('\0' == *end || ',' == *end); buf [i] = T (val); if ('\0' == *end) { while (++i < n) buf [i] = buf [i - 1]; return std::valarray(buf, i); } s = end + 1; } } /**************************************************************************/ static void test_indirect_array (int line, const char *array, const char *inxs, const char *opname, const char *args, const char *result, int nmatch) { typedef int T; const char tname[] = "int"; /* */ std::valarray asrc (make_array(array)); const std::valarray ainx (make_array (inxs)); const std::valarray aarg (make_array(args)); if (0 == opname) opname = ""; // construct the expected result const std::valarray expect = make_array(result, *opname ? 0 : asrc.size ()); // create an indirect array object from the source array // and the array of indices const std::indirect_array ia (asrc [ainx]); // iterate over the series of assignment operators, invoking // each in sequence on the source array, modifying it in place for (const char *op = opname; *op; ) { // skip optional whitespace for ( ; ' ' == *op; ++op); switch (*op) { // invoke fill assignment embedded within a series // of compound assignments, e.g., "*=,,+=" meaning // ia *= aarg; ia = aarg [0]; ia += aarg case ',': ia = aarg.size () ? aarg [0] : 0; break; // invoke ordinary assignment case '=': ia = aarg; op += 1; break; // invoke computed assignment case '*': ia *= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '/': ia /= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '%': ia %= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '+': ia += aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '-': ia -= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '^': ia ^= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '&': ia &= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '|': ia |= aarg; RW_ASSERT ('=' == op [1]); op += 2; break; case '<': ia <<= aarg; RW_ASSERT ('=' == op [2]); op += 3; break; case '>': ia >>= aarg; RW_ASSERT ('=' == op [2]); op += 3; break; default: RW_ASSERT (!"unknown operator"); } // skip optional whitespace for ( ; ' ' == *op; ++op); // assignment operators are separated by commas if (',' == *op) ++op; else break; } if ('\0' == *opname) { // fill assignment ia = aarg.size () ? aarg [0] : 0; } int nequal = 0; for (std::size_t i = 0; i != asrc.size (); ++i, ++nequal) { if (asrc [i] != expect [i]) break; } if (-1 == nmatch) nmatch = int (asrc.size ()); const int* const expect_begin = expect.size () ? &expect [0] : 0; const int* const actual_begin = asrc.size () ? &asrc [0] : 0; rw_assert (nequal == nmatch, 0, line, "valarray<%s>({%s})[valarray({%s})] %s " "valarray<%1$s>({%s}) %c= {%{*.*Ad}}, got {%{*.*Ad}}", tname, array, inxs, opname, result, nmatch == int (asrc.size ()) ? '=' : '!', int (sizeof (int)), int (expect.size ()), expect_begin, int (sizeof (int)), int (asrc.size ()), actual_begin); } /**************************************************************************/ static int run_test (int, char**) { #define TEST(array, inx, op, arg, res, nmatch) \ test_indirect_array (__LINE__, array, inx, op, arg, res, nmatch) ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator=(T), fill assignment rw_info (0, 0, __LINE__, "std::indirect_array::operator=(int)"); // +-- source array // | +-- array of indices (indirect_array ctor argument) // | | +-- zero for fill assignment // | | | +-- argument of fill assignment // | | | | +-- expected result // | | | | | +-- number of matching elements // | | | | | | // V V V V V V TEST ("", "", 0, "0", "", -1); TEST ("1", "", 0, "0", "1", -1); TEST ("1", "0", 0, "2", "2", -1); TEST ("1,2", "0", 0, "3", "3,2", -1); TEST ("1,2,3", "0", 0, "4", "4,2,3", -1); TEST ("1,2,3,4", "0", 0, "5", "5,2,3,4", -1); TEST ("1,2,3,4,5", "0", 0, "6", "6,2,3,4,5", -1); TEST ("1,2,3,4,5", "0,1", 0, "6", "6,6,3,4,5", -1); TEST ("1,2,3,4,5", "0,2", 0, "6", "6,2,6,4,5", -1); TEST ("1,2,3,4,5", "0,3", 0, "6", "6,2,3,6,5", -1); TEST ("1,2,3,4,5", "0,4", 0, "6", "6,2,3,4,6", -1); TEST ("1,2,3,4,5", "0,1,2", 0, "6", "6,6,6,4,5", -1); TEST ("1,2,3,4,5", "0,1,3", 0, "6", "6,6,3,6,5", -1); TEST ("1,2,3,4,5", "0,1,4", 0, "6", "6,6,3,4,6", -1); TEST ("1,2,3,4,5", "0,2,1", 0, "6", "6,6,6,4,5", -1); TEST ("1,2,3,4,5", "0,2,3", 0, "6", "6,2,6,6,5", -1); TEST ("1,2,3,4,5", "0,2,4", 0, "6", "6,2,6,4,6", -1); TEST ("1,2,3,4,5", "0,3,1", 0, "6", "6,6,3,6,5", -1); TEST ("1,2,3,4,5", "0,3,2", 0, "6", "6,2,6,6,5", -1); TEST ("1,2,3,4,5", "0,3,4", 0, "6", "6,2,3,6,6", -1); #define INFO(op) \ rw_info (0, 0, __LINE__, \ "std::indirect_array::operator%s(std::valarray)", op); INFO ("="); // +-- source array // | +-- array of indices (indirect_array ctor argument) // | | +-- assignment operators to test (0 for none) // | | | +-- argument of assignment (0 for none) // | | | | +-- expected result // | | | | | +-- number of matching elements // | | | | | | // V V V V V V TEST ("", "", "=", "", "", -1 /* all */); TEST ("1", "", "=", "", "1", -1 /* all */); TEST ("1", "0", "=", "2", "2", -1 /* all */); TEST ("1", "0", "=", "3", "3", -1 /* all */); TEST ("2", "0", "=", "4", "1", 0 /* mismatch at offset 0 */); TEST ("1,2", "", "=", "", "1,2", -1); TEST ("1,2", "0", "=", "3", "3,2", -1); TEST ("1,2", "1", "=", "3", "1,3", -1); TEST ("1,2,3", "", "=", "", "1,2,3", -1); TEST ("1,2,3", "0,1", "=", "5,4", "5,4,3", -1); TEST ("1,2,3", "0,2", "=", "5,4", "5,2,4", -1); TEST ("1,2,3", "1,0", "=", "5,4", "4,5,3", -1); TEST ("1,2,3", "1,2", "=", "5,4", "1,5,4", -1); TEST ("1,2,3", "2,0", "=", "5,4", "4,2,5", -1); TEST ("1,2,3", "2,1", "=", "5,4", "1,4,5", -1); TEST ("1,2,3,4", "", "=", "", "1,2,3,4", -1); TEST ("1,2,3,4", "0", "=", "9", "9,2,3,4", -1); TEST ("1,2,3,4", "1", "=", "9", "1,9,3,4", -1); TEST ("1,2,3,4", "2", "=", "9", "1,2,9,4", -1); TEST ("1,2,3,4", "3", "=", "9", "1,2,3,9", -1); TEST ("1,2,3,4", "0,1", "=", "8,9", "8,9,3,4", -1); TEST ("1,2,3,4", "0,2", "=", "8,9", "8,2,9,4", -1); TEST ("1,2,3,4", "0,3", "=", "8,9", "8,2,3,9", -1); TEST ("1,2,3,4", "1,0", "=", "8,9", "9,8,3,4", -1); TEST ("1,2,3,4", "1,2", "=", "8,9", "1,8,9,4", -1); TEST ("1,2,3,4", "1,3", "=", "8,9", "1,8,3,9", -1); TEST ("1,2,3,4", "2,0", "=", "8,9", "9,2,8,4", -1); TEST ("1,2,3,4", "2,1", "=", "8,9", "1,9,8,4", -1); TEST ("1,2,3,4", "2,3", "=", "8,9", "1,2,8,9", -1); TEST ("1,2,3,4", "3,0", "=", "8,9", "9,2,3,8", -1); TEST ("1,2,3,4", "3,1", "=", "8,9", "1,9,3,8", -1); TEST ("1,2,3,4", "3,2", "=", "8,9", "1,2,9,8", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator*=() INFO ("*="); TEST ("", "", "*=", "", "", -1); TEST ("1", "", "*=", "", "1", -1); TEST ("1", "0", "*=", "9", "9", -1); TEST ("1,2", "", "*=", "", "1, 2", -1); TEST ("1,2", "0", "*=", "9", "9, 2", -1); TEST ("1,2", "1", "*=", "9", "1,18", -1); TEST ("1,2", "0,1", "*=", "8,9", "8,18", -1); TEST ("1,2", "1,0", "*=", "8,9", "9,16", -1); TEST ("1,2,3", "", "*=", "", "1, 2, 3", -1); TEST ("1,2,3", "0,1", "*=", "8,9", "8,18, 3", -1); TEST ("1,2,3", "0,2", "*=", "8,9", "8, 2,27", -1); TEST ("1,2,3", "1,0", "*=", "8,9", "9,16, 3", -1); TEST ("1,2,3", "1,2", "*=", "8,9", "1,16,27", -1); TEST ("1,2,3", "2,0", "*=", "8,9", "9, 2,24", -1); TEST ("1,2,3", "2,1", "*=", "8,9", "1,18,24", -1); TEST ("1,2,3,4", "0", "*=", "0", "0,2,3,4", -1); TEST ("1,2,3,4", "1", "*=", "0", "1,0,3,4", -1); TEST ("1,2,3,4", "2", "*=", "0", "1,2,0,4", -1); TEST ("1,2,3,4", "3", "*=", "0", "1,2,3,0", -1); TEST ("1,2,3,4", "0,1", "*=", "5,6", "5,12, 3, 4", -1); TEST ("1,2,3,4", "0,2", "*=", "5,6", "5, 2,18, 4", -1); TEST ("1,2,3,4", "0,3", "*=", "5,6", "5, 2, 3,24", -1); TEST ("1,2,3,4", "1,0", "*=", "5,6", "6,10, 3, 4", -1); TEST ("1,2,3,4", "1,2", "*=", "5,6", "1,10,18, 4", -1); TEST ("1,2,3,4", "1,3", "*=", "5,6", "1,10, 3,24", -1); TEST ("1,2,3,4", "2,0", "*=", "5,6", "6, 2,15, 4", -1); TEST ("1,2,3,4", "2,1", "*=", "5,6", "1,12,15, 4", -1); TEST ("1,2,3,4", "2,3", "*=", "5,6", "1, 2,15,24", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator/=() INFO ("/="); TEST ("10", "0", "/=", "2", " 5", -1); TEST ("10,20", "0", "/=", "2", " 5,20", -1); TEST ("10,20", "1", "/=", "2", "10,10", -1); TEST ("10,20", "0,1", "/=", "5,4", "2,5", -1); TEST ("10,20", "1,0", "/=", "5,4", "2,4", -1); TEST ("10,20,30", "0,1", "/=", "5,4", "2, 5,30", -1); TEST ("10,20,30", "0,2", "/=", "5,4", "2,20, 7", -1); TEST ("10,20,30", "1,0", "/=", "5,4", " 2,4,30", -1); TEST ("10,20,30", "1,2", "/=", "5,4", "10,4, 7", -1); TEST ("10,20,30", "2,0", "/=", "5,4", " 2,20, 6", -1); TEST ("10,20,30", "2,1", "/=", "5,4", "10, 5, 6", -1); // exercise compound assignment, i.e., // ({1,2,3,4,5}[{0,2,4}] *= {6,7,8}) /= {6,7,8} TEST (" 1, 2, 3, 4, 5", "0,2,4", "*=,/=", "6,7,8", "1, 2, 3, 4, 5", -1); // ({1,2,3,4,5}[{0,2,4}] /= {6,7,8}) *= {6,7,8} TEST ("10,20,30,40,50", "0,2,4", "/=,*=", "9,8,7", "9,20,24,40,49", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator%=() INFO ("%="); TEST ("10,11,12,13,14,15", "1,3,5", "%=", "6,7,8", "10,5,12,6,14,7", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator+=() INFO ("+="); TEST ("1,2,3,4,5,6", "1,3,5", "+=", "7,8,9", "1,9,3,12,5,15", -1); // exercise compound assignment, i.e., // ({1,2,3,4,5,6}[{1,3,5}] += {7,8,9}) += {7,8,9} TEST ("1,2,3,4,5,6", "1,3,5", "+=,+=", "7,8,9", "1,16,3,20,5,24", -1); // ({1,2,3,4,5,6}[{1,3,5}] += {7,8,9}) -= {7,8,9} TEST ("1,2,3,4,5,6", "1,3,5", "+=,-=", "7,8,9", "1,2,3,4,5,6", -1); // ({1,2,3,4,5,6}[{1,3,5}] += {7,8,9}) /= {7,8,9} TEST ("1,2,3,4,5,6", "1,3,5", "+=,/=", "7,8,9", "1,1,3,1,5,1", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator-=() INFO ("-="); TEST ("9,8,7,6,5,4", "0,1,2", "-=", "9,8,7", "0,0,0,6,5,4", -1); TEST ("9,8,7,6,5,4", "1,2,3", "-=", "8,7,6", "9,0,0,0,5,4", -1); TEST ("9,8,7,6,5,4", "2,3,4", "-=", "7,6,5", "9,8,0,0,0,4", -1); TEST ("9,8,7,6,5,4", "3,4,5", "-=", "6,5,4", "9,8,7,0,0,0", -1); TEST ("9,8,7,6,5,4", "0,2,4", "-=", "3,2,1", "6,8,5,6,4,4", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator^=() INFO ("^="); TEST ("1,3,5,7,9", "0,2,4", "^=", "2,4,5", "3,3,1,7,12", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator&=() INFO ("&="); TEST ("1,3,5,7,9", "0,2,4", "&=", "3,1,7", "1,3,1,7,1", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator|=() INFO ("|="); TEST ("1,3,5,7,9", "0,2,4", "|=", "3,1,7", "3,3,5,7,15", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator<<=() INFO ("<<="); TEST ("1,3,5,7,9", "0,1,2", "<<=", "1,1,1", "2,6,10, 7, 9", -1); TEST ("1,3,5,7,9", "1,2,3", "<<=", "1,1,1", "1,6,10,14, 9", -1); TEST ("1,3,5,7,9", "2,3,4", "<<=", "1,1,1", "1,3,10,14,18", -1); // exercise a compound assignment, i.e., // ({1,3,5,7,9}[{2,3,4}] <<= {1,1,1}) >>= {1,1,1} TEST ("1,3,5,7,9", "2,3,4", "<<=,>>=", "1,1,1", "1,3,5,7,9", -1); ////////////////////////////////////////////////////////////////// // exercise indirect_array::operator>>=() INFO (">>="); TEST ("2,6,10, 7, 9", "0,1,2", ">>=", "1,1,1", "1,3,5,7,9", -1); TEST ("1,6,10,14, 9", "1,2,3", ">>=", "1,1,1", "1,3,5,7,9", -1); TEST ("1,3,10,14,18", "2,3,4", ">>=", "1,1,1", "1,3,5,7,9", -1); // exercise a compound assignment, i.e., // ({10,20,30,40,50}[{1,3,5}] >>= {1,1,1}) <<= {1,1,1} TEST ("10,11,12,13,14", "0,2,4", ">>=,<<=", "1,2,3", "10,11,12,13,8", -1); return 0; } /**************************************************************************/ int main (int argc, char *argv[]) { // FIXME: add command line options to enable/disable each operator return rw_test (argc, argv, __FILE__, "valarray.indirect.array", 0 /* no comment */, run_test, "", (void*)0 /* sentinel */); }