interval_calc_unittest.cpp
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00034 
00035 #include <gtest/gtest.h>
00036 #include <settlerlib/interval_calc.h>
00037 #include <settlerlib/sorted_deque.h>
00038 
00039 using namespace std;
00040 using namespace settlerlib;
00041 
00042 
00043 const unsigned int NA = 9;
00044 static const double dataA[NA][2] = { { 0,  0},
00045                                      { 1,  1},
00046                                      { 2,  2},
00047                                      { 3,  3},
00048                                      { 4,  4},
00049                                      { 3,  5},
00050                                      { 2,  6},
00051                                      { 1,  7},
00052                                      { 0,  8} };
00053 
00057 SortedDeque<DeflatedConstPtr> generateSignal1()
00058 {
00059   SortedDeque<DeflatedConstPtr> signal(&SortedDeque<DeflatedConstPtr>::getPtrStamp) ;
00060   signal.setMaxSize(20);
00061 
00062   for (unsigned int i=0; i<NA; i++)
00063   {
00064     DeflatedPtr deflated(new Deflated);
00065     deflated->header.stamp = ros::Time(i,0);
00066     deflated->channels_.resize(2);
00067     deflated->channels_[0] = dataA[i][0];
00068     deflated->channels_[1] = dataA[i][1];
00069 
00070     signal.add(deflated);
00071   }
00072 
00073   return signal;
00074 }
00075 
00079 SortedDeque<DeflatedConstPtr> generateSignal2()
00080 {
00081 
00082   SortedDeque<DeflatedConstPtr> signal(&SortedDeque<DeflatedConstPtr>::getPtrStamp) ;
00083   signal.setMaxSize(20);
00084 
00085   for (unsigned int i=0; i<NA; i++)
00086   {
00087     DeflatedPtr deflated(new Deflated);
00088     deflated->header.stamp = ros::Time(i,0);
00089     if (i > 4)
00090       deflated->header.stamp = ros::Time(i+10,0);
00091     else
00092       deflated->header.stamp = ros::Time(i,0);
00093     deflated->channels_.resize(2);
00094     deflated->channels_[0] = dataA[i][0];
00095     deflated->channels_[1] = dataA[i][1];
00096 
00097     signal.add(deflated);
00098   }
00099 
00100   return signal;
00101 }
00102 
00103 // A pretty simple test where the first channel exceeds the tolerance first
00104 TEST(IntervalCalc, easy1)
00105 {
00106   SortedDeque<DeflatedConstPtr> signal = generateSignal1();
00107 
00108   vector<double> tol(2);
00109   tol[0] = 2.5;
00110   tol[1] = 3.5;
00111   ros::Duration max_step(2,0);
00112 
00113   calibration_msgs::Interval interval = IntervalCalc::computeLatestInterval(signal, tol, max_step);
00114   EXPECT_EQ(interval.start.sec, (unsigned int) 6);
00115   EXPECT_EQ(interval.end.sec,   (unsigned int) 8);
00116 }
00117 
00118 // Another simple test, but this time the 2nd channel will exceed the tolerance first
00119 TEST(IntervalCalc, easy2)
00120 {
00121   SortedDeque<DeflatedConstPtr> signal = generateSignal1();
00122 
00123   vector<double> tol(2);
00124   tol[0] = 4.5;
00125   tol[1] = 3.5;
00126   ros::Duration max_step(2,0);
00127 
00128   calibration_msgs::Interval interval = IntervalCalc::computeLatestInterval(signal, tol, max_step);
00129   EXPECT_EQ(interval.start.sec, (unsigned int) 5);
00130   EXPECT_EQ(interval.end.sec,   (unsigned int) 8);
00131 }
00132 
00133 // See what happens if our max step is really small
00134 TEST(IntervalCalc, maxStep1)
00135 {
00136   SortedDeque<DeflatedConstPtr> signal = generateSignal1();
00137 
00138   vector<double> tol(2);
00139   tol[0] = 4.5;
00140   tol[1] = 3.5;
00141   ros::Duration max_step;
00142   max_step.fromSec(.5);
00143 
00144   calibration_msgs::Interval interval = IntervalCalc::computeLatestInterval(signal, tol, max_step);
00145   EXPECT_EQ(interval.start.sec, (unsigned int) 8);
00146   EXPECT_EQ(interval.end.sec,   (unsigned int) 8);
00147 }
00148 
00149 // See what happens if there's a big gap in time in our signal
00150 TEST(IntervalCalc, maxStep2)
00151 {
00152   SortedDeque<DeflatedConstPtr> signal = generateSignal2();
00153 
00154   vector<double> tol(2);
00155   tol[0] = 100;
00156   tol[1] = 100;
00157   ros::Duration max_step(5,0);
00158 
00159   calibration_msgs::Interval interval = IntervalCalc::computeLatestInterval(signal, tol, max_step);
00160   EXPECT_EQ(interval.start.sec, (unsigned int) 15);
00161   EXPECT_EQ(interval.end.sec,   (unsigned int) 18);
00162 }
00163 
00164 int main(int argc, char **argv){
00165   testing::InitGoogleTest(&argc, argv);
00166   return RUN_ALL_TESTS();
00167 }
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settlerlib
Author(s): Vijay Pradeep
autogenerated on Thu Aug 15 2013 10:15:45