/*************************************************************************** * * 26.template.mask.array.cpp - tests exercising class template * mask_array * * $Id: 26.mask.array.cpp 493625 2007-01-07 00:46:13Z 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 mask_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; } } std::valarray make_bool_array (const char *s, std::size_t n = 0) { typedef std::valarray BoolArray; if (0 == s || '\0' == *s) return n ? BoolArray(false, n) : BoolArray (); bool buf [256]; for (std::size_t i = 0; ; ++i) { RW_ASSERT ('0' == *s || '1' == *s); buf [i] = '1' == *s++; if ('\0' == *s) { while (++i < n) buf [i] = buf [i - 1]; return BoolArray (buf, i); } } } /**************************************************************************/ static void test_mask_array (int line, const char *array, const char *mask, 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 amask (make_bool_array (mask)); 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 mask array object from the source array // and the array of indices const std::mask_array ia (asrc [amask]); // 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; if ('=' == opname [0] && '\0' == opname [1]) { rw_assert (nequal == nmatch, 0, line, "valarray<%s>({%s})[valarray({%s})] %s " "%d %c= {%{*.*Ad}}, got {%{*.*Ad}}", tname, array, mask, opname, aarg.size () ? aarg [0] : 0, nmatch == int (asrc.size ()) ? '=' : '!', int (sizeof (int)), int (expect.size ()), expect_begin, int (sizeof (int)), int (asrc.size ()), actual_begin); } else { rw_assert (nequal == nmatch, 0, line, "valarray<%s>({%s})[valarray({%s})] %s " "valarray<%1$s>({%s}) %c= {%{*.*Ad}}, got {%{*.*Ad}}", tname, array, mask, 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, mask, op, arg, res) \ test_mask_array (__LINE__, array, mask, op, arg, res, -1) ////////////////////////////////////////////////////////////////// // exercise mask_array::operator=(T), fill assignment rw_info (0, 0, __LINE__, "std::mask_array::operator=(int)"); // +-- source array // | +-- mask array (bitset of 0's and 1's) // | | +-- zero for fill assignment // | | | +-- argument of fill assignment // | | | | +-- expected result // | | | | | // | | | | | // V V V V V TEST ("", "", 0, "0", ""); TEST ("1", "", 0, "0", "1"); TEST ("1", "1", 0, "2", "2"); TEST ("1,2", "10", 0, "3", "3,2"); TEST ("1,2,3", "100", 0, "4", "4,2,3"); TEST ("1,2,3,4", "1000", 0, "5", "5,2,3,4"); TEST ("1,2,3,4,5", "10000", 0, "6", "6,2,3,4,5"); TEST ("1,2,3,4,5", "11000", 0, "6", "6,6,3,4,5"); TEST ("1,2,3,4,5", "10100", 0, "6", "6,2,6,4,5"); TEST ("1,2,3,4,5", "10010", 0, "6", "6,2,3,6,5"); TEST ("1,2,3,4,5", "10001", 0, "6", "6,2,3,4,6"); TEST ("1,2,3,4,5", "11100", 0, "6", "6,6,6,4,5"); TEST ("1,2,3,4,5", "11010", 0, "6", "6,6,3,6,5"); TEST ("1,2,3,4,5", "11001", 0, "6", "6,6,3,4,6"); TEST ("1,2,3,4,5", "10110", 0, "6", "6,2,6,6,5"); TEST ("1,2,3,4,5", "10101", 0, "6", "6,2,6,4,6"); TEST ("1,2,3,4,5", "11010", 0, "6", "6,6,3,6,5"); TEST ("1,2,3,4,5", "10110", 0, "6", "6,2,6,6,5"); TEST ("1,2,3,4,5", "10011", 0, "6", "6,2,3,6,6"); #define INFO(op) \ rw_info (0, 0, __LINE__, \ "std::mask_array::operator%s(std::valarray)", op); INFO ("="); // +-- source array // | +-- array of indices (mask_array ctor argument) // | | +-- assignment operators to test (0 for none) // | | | +-- argument of assignment (0 for none) // | | | | +-- expected result // | | | | | // | | | | | // V V V V V TEST ("", "", "=", "", ""); TEST ("1", "", "=", "", "1"); TEST ("1", "1", "=", "2", "2"); TEST ("1", "1", "=", "3", "3"); TEST ("2", "1", "=", "4", "4"); TEST ("1,2", "", "=", "", "1,2"); TEST ("1,2", "01", "=", "3", "1,3"); TEST ("1,2", "10", "=", "3", "3,2"); TEST ("1,2", "11", "=", "3,4", "3,4"); TEST ("1,2,3", "", "=", "", "1,2,3"); TEST ("1,2,3", "000", "=", "", "1,2,3"); TEST ("1,2,3", "001", "=", "6", "1,2,6"); TEST ("1,2,3", "010", "=", "6", "1,6,3"); TEST ("1,2,3", "011", "=", "6,5", "1,6,5"); TEST ("1,2,3", "100", "=", "6", "6,2,3"); TEST ("1,2,3", "101", "=", "6,5", "6,2,5"); TEST ("1,2,3", "110", "=", "6,5", "6,5,3"); TEST ("1,2,3", "111", "=", "6,5,4", "6,5,4"); TEST ("1,2,3,4", "", "=", "", "1,2,3,4"); TEST ("1,2,3,4", "0", "=", "", "1,2,3,4"); TEST ("1,2,3,4", "1", "=", "5", "5,2,3,4"); TEST ("1,2,3,4", "00", "=", "", "1,2,3,4"); TEST ("1,2,3,4", "01", "=", "5", "1,5,3,4"); TEST ("1,2,3,4", "10", "=", "5", "5,2,3,4"); TEST ("1,2,3,4", "11", "=", "5,6", "5,6,3,4"); TEST ("1,2,3,4", "000", "=", "", "1,2,3,4"); TEST ("1,2,3,4", "001", "=", "5", "1,2,5,4"); TEST ("1,2,3,4", "010", "=", "5", "1,5,3,4"); TEST ("1,2,3,4", "011", "=", "5,6", "1,5,6,4"); TEST ("1,2,3,4", "100", "=", "5", "5,2,3,4"); TEST ("1,2,3,4", "101", "=", "5,6", "5,2,6,4"); TEST ("1,2,3,4", "110", "=", "5,6", "5,6,3,4"); TEST ("1,2,3,4", "111", "=", "5,6,7", "5,6,7,4"); TEST ("1,2,3,4", "0000", "=", "", "1,2,3,4"); TEST ("1,2,3,4", "0001", "=", "5", "1,2,3,5"); TEST ("1,2,3,4", "0010", "=", "5", "1,2,5,4"); TEST ("1,2,3,4", "0011", "=", "5,6", "1,2,5,6"); TEST ("1,2,3,4", "0100", "=", "5", "1,5,3,4"); TEST ("1,2,3,4", "0101", "=", "5,6", "1,5,3,6"); TEST ("1,2,3,4", "0110", "=", "5,6", "1,5,6,4"); TEST ("1,2,3,4", "0111", "=", "5,6,7", "1,5,6,7"); TEST ("1,2,3,4", "1000", "=", "5", "5,2,3,4"); TEST ("1,2,3,4", "1001", "=", "5,6", "5,2,3,6"); TEST ("1,2,3,4", "1010", "=", "5,6", "5,2,6,4"); TEST ("1,2,3,4", "1011", "=", "5,6,7", "5,2,6,7"); TEST ("1,2,3,4", "1100", "=", "5,6", "5,6,3,4"); TEST ("1,2,3,4", "1101", "=", "5,6,7", "5,6,3,7"); TEST ("1,2,3,4", "1110", "=", "5,6,7", "5,6,7,4"); TEST ("1,2,3,4", "1111", "=", "5,6,7,8", "5,6,7,8"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator*=() INFO ("*="); TEST ("", "", "*=", "", ""); TEST ("1", "", "*=", "", "1"); TEST ("1", "0", "*=", "", "1"); TEST ("1", "0", "*=", "5", "1"); TEST ("1", "1", "*=", "5", "5"); TEST ("1,2", "", "*=", "", "1, 2"); TEST ("1,2", "0", "*=", "", "1, 2"); TEST ("1,2", "00", "*=", "", "1, 2"); TEST ("1,2", "01", "*=", "5", "1,10"); TEST ("1,2", "10", "*=", "5", "5, 2"); TEST ("1,2", "11", "*=", "5,6", "5,12"); TEST ("1,2,3", "", "*=", "", "1, 2, 3"); TEST ("1,2,3", "0", "*=", "", "1, 2, 3"); TEST ("1,2,3", "00", "*=", "", "1, 2, 3"); TEST ("1,2,3", "000", "*=", "", "1, 2, 3"); TEST ("1,2,3", "001", "*=", "5", "1, 2,15"); TEST ("1,2,3", "010", "*=", "5", "1,10, 3"); TEST ("1,2,3", "011", "*=", "5,6", "1,10,18"); TEST ("1,2,3", "100", "*=", "5", "5, 2, 3"); TEST ("1,2,3", "101", "*=", "5,6", "5, 2,18"); TEST ("1,2,3", "110", "*=", "5,6", "5,12, 3"); TEST ("1,2,3", "111", "*=", "5,6,7", "5,12,21"); TEST ("1,2,3,4", "", "*=", "", "1, 2, 3, 4"); TEST ("1,2,3,4", "0", "*=", "", "1, 2, 3, 4"); TEST ("1,2,3,4", "00", "*=", "", "1, 2, 3, 4"); TEST ("1,2,3,4", "000", "*=", "", "1, 2, 3, 4"); TEST ("1,2,3,4", "0000", "*=", "", "1, 2, 3, 4"); TEST ("1,2,3,4", "0001", "*=", "5", "1, 2, 3,20"); TEST ("1,2,3,4", "0010", "*=", "5", "1, 2,15, 4"); TEST ("1,2,3,4", "0011", "*=", "5,6", "1, 2,15,24"); TEST ("1,2,3,4", "0100", "*=", "5", "1,10, 3, 4"); TEST ("1,2,3,4", "0101", "*=", "5,6", "1,10, 3,24"); TEST ("1,2,3,4", "0110", "*=", "5,6", "1,10,18, 4"); TEST ("1,2,3,4", "0111", "*=", "5,6,7", "1,10,18,28"); TEST ("1,2,3,4", "1001", "*=", "5,6", "5, 2, 3,24"); TEST ("1,2,3,4", "1010", "*=", "5,6", "5, 2,18, 4"); TEST ("1,2,3,4", "1011", "*=", "5,6,7", "5, 2,18,28"); TEST ("1,2,3,4", "1100", "*=", "5,6", "5,12, 3, 4"); TEST ("1,2,3,4", "1101", "*=", "5,6,7", "5,12, 3,28"); TEST ("1,2,3,4", "1110", "*=", "5,6,7", "5,12,21, 4"); TEST ("1,2,3,4", "1111", "*=", "5,6,7,8", "5,12,21,32"); // exercise compound assignment, i.e., // ({1,2,3,4,5,6}[{0,1,0,1,0,1}] *= {0,1,2}) *= {0,1,2} TEST ("1,2,3,4,5,6", "010101", "*=,*=", "0,1,2", "1,0,3,4,5,24"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator/=() INFO ("/="); TEST ("", "", "/=", "", ""); TEST ("10", "", "/=", "", "10"); TEST ("10", "0", "/=", "", "10"); TEST ("10", "0", "/=", "5", "10"); TEST ("10", "1", "/=", "5", " 2"); TEST ("10,20", "", "/=", "", "10,20"); TEST ("10,20", "0", "/=", "", "10,20"); TEST ("10,20", "00", "/=", "", "10,20"); TEST ("10,20", "01", "/=", "5", "10, 4"); TEST ("10,20", "10", "/=", "5", " 2,20"); TEST ("10,20", "11", "/=", "5,6", " 2, 3"); TEST ("10,20,30", "", "/=", "", "10,20,30"); TEST ("10,20,30", "0", "/=", "", "10,20,30"); TEST ("10,20,30", "00", "/=", "", "10,20,30"); TEST ("10,20,30", "000", "/=", "", "10,20,30"); TEST ("10,20,30", "001", "/=", "5", "10,20, 6"); TEST ("10,20,30", "010", "/=", "5", "10, 4,30"); TEST ("10,20,30", "011", "/=", "5,6", "10, 4, 5"); TEST ("10,20,30", "100", "/=", "5", " 2,20,30"); TEST ("10,20,30", "101", "/=", "5,6", " 2,20, 5"); TEST ("10,20,30", "110", "/=", "5,6", " 2, 3,30"); TEST ("10,20,30", "111", "/=", "5,6,7", " 2, 3, 4"); TEST ("10,20,30,40", "", "/=", "", "10,20,30,40"); TEST ("10,20,30,40", "0", "/=", "", "10,20,30,40"); TEST ("10,20,30,40", "00", "/=", "", "10,20,30,40"); TEST ("10,20,30,40", "000", "/=", "", "10,20,30,40"); TEST ("10,20,30,40", "0000", "/=", "", "10,20,30,40"); TEST ("10,20,30,40", "0001", "/=", "5", "10,20,30, 8"); TEST ("10,20,30,40", "0010", "/=", "5", "10,20, 6,40"); TEST ("10,20,30,40", "0011", "/=", "5,6", "10,20, 6, 6"); TEST ("10,20,30,40", "0100", "/=", "5", "10, 4,30,40"); TEST ("10,20,30,40", "0101", "/=", "5,6", "10, 4,30, 6"); TEST ("10,20,30,40", "0110", "/=", "5,6", "10, 4, 5,40"); TEST ("10,20,30,40", "0111", "/=", "5,6,7", "10, 4, 5, 5"); TEST ("10,20,30,40", "1000", "/=", "5", " 2,20,30,40"); TEST ("10,20,30,40", "1001", "/=", "5,6", " 2,20,30, 6"); TEST ("10,20,30,40", "1010", "/=", "5,6", " 2,20, 5,40"); TEST ("10,20,30,40", "1011", "/=", "5,6,7", " 2,20, 5, 5"); TEST ("10,20,30,40", "1100", "/=", "5,6", " 2, 3,30,40"); TEST ("10,20,30,40", "1101", "/=", "5,6,7", " 2, 3,30, 5"); TEST ("10,20,30,40", "1110", "/=", "5,6,7", " 2, 3, 4,40"); TEST ("10,20,30,40", "1111", "/=", "5,6,7,8", " 2, 3, 4, 5"); // exercise compound assignment, i.e., // ({1,2,3,4,5,6}[{0,1,0,1,0,1}] *= {7,8,9}) /= {7,8,9} TEST ("1,2,3,4,5,6", "010101", "*=,/=", "7,8,9", "1,2,3,4,5,6"); // ({1,20,3,40,5,60}[{0,1,0,1,0,1}] /= {7,8,9}) *= {7,8,9} TEST ("1,20,3,40,5,60", "010101", "/=,*=", "7,8,9", "1,14,3,40,5,54"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator%=() INFO ("%="); TEST ("1, 2,3, 4,5, 6", "010101", "%=", "3,5,7", "1,2,3,4,5,6"); TEST ("1,11,2,13,4,15", "010101", "%=", "6,7,8", "1,5,2,6,4,7"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator+=() INFO ("+="); TEST ("1,2,3,4,5,6", "010101", "+=", "7,8,9", "1,9,3,12,5,15"); TEST ("1,2,3,4,5,6", "010101", "+=,+=", "1,2,3", "1,4,3, 8,5,12"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator-=() INFO ("-="); TEST ("9,8,7,6,5,4", "111000", "-=", "9,8,7", "0,0,0,6,5,4"); TEST ("9,8,7,6,5,4", "011100", "-=", "8,7,6", "9,0,0,0,5,4"); TEST ("9,8,7,6,5,4", "001110", "-=", "7,6,5", "9,8,0,0,0,4"); TEST ("9,8,7,6,5,4", "000111", "-=", "6,5,4", "9,8,7,0,0,0"); TEST ("9,8,7,6,5,4", "010101", "-=", "3,2,1", "9,5,7,4,5,3"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator^=() INFO ("^="); TEST ("1,3,5,7,9", "10101", "^=", "2,4,5", "3,3,1,7,12"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator&=() INFO ("&="); TEST ("1,3,5,7,9", "10101", "&=", "3,1,7", "1,3,1,7,1"); TEST ("1,2,3,4,5", "01010", "&=", "1,1", "1,0,3,0,5"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator|=() INFO ("|="); TEST ("1,3,5,7,9", "10101", "|=", "3,1,7", "3,3,5,7,15"); TEST ("1,2,3,4,5", "01010", "|=", "1,1", "1,3,3,5, 5"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator<<=() INFO ("<<="); TEST ("1,3,5,7,9", "11100", "<<=", "1,1,1", " 2, 6,10, 7, 9"); TEST ("1,3,5,7,9", "01110", "<<=", "1,1,1", " 1, 6,10,14, 9"); TEST ("1,3,5,7,9", "00111", "<<=", "1,1,1", " 1, 3,10,14,18"); TEST ("1,3,5,7,9", "11111", "<<=", "5,4,3,2,1", "32,48,40,28,18"); // 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", "00111", "<<=,>>=", "1,1,1", "1,3,5,7,9"); ////////////////////////////////////////////////////////////////// // exercise mask_array::operator>>=() INFO (">>="); TEST ("2,6,10, 7, 9", "11100", ">>=", "1,1,1", "1,3,5,7,9"); TEST ("1,6,10,14, 9", "01110", ">>=", "1,1,1", "1,3,5,7,9"); TEST ("1,3,10,14,18", "00111", ">>=", "1,1,1", "1,3,5,7,9"); // 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", "10101", ">>=,<<=", "1,2,3", "10,11,12,13,8"); 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.mask.array", 0 /* no comment */, run_test, "", (void*)0 /* sentinel */); }