From b4fe033d12ca078ed09e2beb12babb4d4055dfe2 Mon Sep 17 00:00:00 2001
From: HannesSommer <hannes.sommer@mavt.ethz.ch>
Date: Fri, 21 Nov 2014 22:36:45 +0100
Subject: [PATCH] added CallRecord unit test

---
 .../nonlinear/tests/testCallRecord.cpp        | 114 +++++++++++++++++-
 1 file changed, 112 insertions(+), 2 deletions(-)

diff --git a/gtsam_unstable/nonlinear/tests/testCallRecord.cpp b/gtsam_unstable/nonlinear/tests/testCallRecord.cpp
index ab7e62419..a4561b349 100644
--- a/gtsam_unstable/nonlinear/tests/testCallRecord.cpp
+++ b/gtsam_unstable/nonlinear/tests/testCallRecord.cpp
@@ -22,12 +22,55 @@
 
 #include <CppUnitLite/TestHarness.h>
 
+#include <gtsam/base/Matrix.h>
+#include <gtsam/base/Testable.h>
+
 using namespace std;
 using namespace gtsam;
 
 /* ************************************************************************* */
 static const int Cols = 3;
 
+
+int dynamicIfAboveMax(int i){
+  if(i > MaxVirtualStaticRows){
+    return Eigen::Dynamic;
+  }
+  else return i;
+}
+struct CallConfig {
+  int compTimeRows;
+  int compTimeCols;
+  int runTimeRows;
+  int runTimeCols;
+  CallConfig() {}
+  CallConfig(int rows, int cols):
+    compTimeRows(dynamicIfAboveMax(rows)),
+    compTimeCols(cols),
+    runTimeRows(rows),
+    runTimeCols(cols)
+  {
+  }
+  CallConfig(int compTimeRows, int compTimeCols, int runTimeRows, int runTimeCols):
+    compTimeRows(compTimeRows),
+    compTimeCols(compTimeCols),
+    runTimeRows(runTimeRows),
+    runTimeCols(runTimeCols)
+  {
+  }
+
+  bool equals(const CallConfig & c, double /*tol*/) const {
+    return
+        this->compTimeRows == c.compTimeRows &&
+        this->compTimeCols == c.compTimeCols &&
+        this->runTimeRows == c.runTimeRows &&
+        this->runTimeCols == c.runTimeCols;
+  }
+  void print(const std::string & prefix) const {
+    std::cout << prefix << "{" << compTimeRows << ", " << compTimeCols << ", " << runTimeRows << ", " << runTimeCols << "}\n" ;
+  }
+};
+
 struct Record: public internal::CallRecordImplementor<Record, Cols> {
   virtual ~Record() {
   }
@@ -35,15 +78,82 @@ struct Record: public internal::CallRecordImplementor<Record, Cols> {
   }
   void startReverseAD(JacobianMap& jacobians) const {
   }
+
+  mutable CallConfig cc;
+ private:
   template<typename SomeMatrix>
   void reverseAD(const SomeMatrix & dFdT, JacobianMap& jacobians) const {
+    cc.compTimeRows = SomeMatrix::RowsAtCompileTime;
+    cc.compTimeCols = SomeMatrix::ColsAtCompileTime;
+    cc.runTimeRows = dFdT.rows();
+    cc.runTimeCols = dFdT.cols();
   }
+
+  template<typename Derived, int Rows, int OtherCols>
+  friend struct internal::ReverseADImplementor;
 };
 
+JacobianMap & NJM= *static_cast<JacobianMap *>(NULL);
+
 /* ************************************************************************* */
-// Construct
-TEST(CallRecord, constant) {
+typedef Eigen::Matrix<double, Eigen::Dynamic, Cols> DynRowMat;
+
+TEST(CallRecord, virtualReverseAdDispatching) {
   Record record;
+  {
+    const int Rows = 1;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
+  {
+    const int Rows = 2;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
+  {
+    const int Rows = 3;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
+  {
+    const int Rows = MaxVirtualStaticRows;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
+  {
+    const int Rows = MaxVirtualStaticRows + 1;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
+  {
+    const int Rows = MaxVirtualStaticRows + 2;
+    record.CallRecord::reverseAD(Eigen::Matrix<double, Rows, Cols>(), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Rows, Cols))));
+    record.CallRecord::reverseAD(DynRowMat(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Cols, Rows, Cols))));
+    record.CallRecord::reverseAD(Eigen::MatrixXd(Rows, Cols), NJM);
+    EXPECT((assert_equal(record.cc, CallConfig(Eigen::Dynamic, Eigen::Dynamic, Rows, Cols))));
+  }
 }
 
 /* ************************************************************************* */