jens@0: /*
jens@0:  *  TestUtils.cpp
jens@0:  *  Ottoman
jens@0:  *
jens@0:  *  Created by Jens Alfke on 9/12/09.
jens@0:  *  Copyright 2009 Jens Alfke. All rights reserved.
jens@0:  *  BSD-Licensed: See the file "LICENSE.txt" for details.
jens@0:  */
jens@0: 
jens@0: #include "TestUtils.h"
jens@0: #include "File.h"
jens@0: #include <time.h>
jens@0: #include <sys/time.h>
jens@0: 
jens@0: namespace Mooseyard {
jens@0: 
jens@0:     std::ostream& operator<< (std::ostream &out, const Blob &blob) {
jens@0:         char str[blob.length+1];
jens@0:         memcpy(str,blob.bytes,blob.length);
jens@0:         str[blob.length] = 0;
jens@0:         out << str;
jens@0:         return out;
jens@0:     }
jens@0:     
jens@0:     void shuffle(int a[], int n, unsigned seed) {
jens@0:         if (seed==0) {
jens@0:             srandomdev();
jens@0:             seed = random();
jens@0:         }
jens@0:         fprintf(stderr,"shuffle(n=%i, seed=%u)\n", n,seed);
jens@0:         srandom(seed);
jens@0:         for (int i=0; i<n-1; i++) {
jens@0:             int j = i + (random() % (n-i));
jens@0:             int temp = a[i];
jens@0:             a[i] = a[j];
jens@0:             a[j] = temp;
jens@0:         }
jens@0:     }
jens@0:     
jens@0:     char **sWords;
jens@0:     int sNWords;
jens@0:     
jens@0:     void readWords() {
jens@0:         if (!sWords) {
jens@0:             sWords = new char*[250000];
jens@0:             sNWords = 0;
jens@0:             
jens@0:             FILE *in = fopen("/usr/share/dict/words", "r");
jens@0:             const char *word;
jens@0:             size_t wordLen;
jens@0:             while (NULL != (word=fgetln(in,&wordLen))) {
jens@0:                 if (word[wordLen-1]=='\n')
jens@0:                     wordLen--;
jens@0:                 char *str = new char[wordLen+1];
jens@0:                 memcpy(str, word, wordLen);
jens@0:                 str[wordLen] = 0;
jens@0:                 sWords[sNWords] = str;
jens@0:                 //if( sNWords % 10000 == 0)
jens@0:                 //    printf("'%s' ... ", sWords[sNWords]->string());
jens@0:                 sNWords++;
jens@0:             }
jens@0:         }
jens@0:     }
jens@0:     
jens@0: #pragma mark -
jens@0: #pragma mark TIMER:
jens@0:     
jens@0:     Timer::Timer (const char *operation, int divisor) {
jens@0:         _operation = operation;
jens@0:         _divisor = divisor;
jens@0:         _cpuTime = clock();
jens@0:         _time = now();
jens@0:     }
jens@0:     
jens@0:     Timer::~Timer() {
jens@0:         double elapsedCPU = (clock() - _cpuTime) / 1.0e6;
jens@0:         double elapsed = now() - _time;
jens@0:         printf("### %s took %.6lf sec (used %.6lf sec CPU)", _operation, elapsed, elapsedCPU);
jens@0:         if (_divisor > 1)
jens@0:             printf(" ... per item: %.3lf usec, %.3lf usec CPU", elapsed/_divisor*1e6, elapsedCPU/_divisor*1e6);
jens@0:         printf("\n");
jens@0:     }
jens@0:     
jens@0:     double Timer::now() {
jens@0:         struct timeval t;
jens@0:         gettimeofday(&t,NULL);
jens@0:         return (double)t.tv_sec + t.tv_usec/1.0e6;
jens@0:     }
jens@0:     
jens@0: }
jens@0: 
jens@0: 
jens@0: using namespace Mooseyard;
jens@0: 
jens@0: int main(int argc, char **argv) {
jens@0:     srandomdev();
jens@0:     try {
jens@0:         ::testing::InitGoogleTest(&argc, argv);
jens@0:         return RUN_ALL_TESTS();
jens@0:     } catch (const File::Error &err) {
jens@0:         fprintf(stderr, "\n*** File::Error thrown: %i/%s\n", err.code,err.message);
jens@0:         throw;
jens@0:     }
jens@0: }