gtsam/inference/tests/testKey.cpp

107 lines
2.6 KiB
C++

/*
* @file testKey.cpp
* @author Alex Cunningham
*/
#include <boost/assign/std/list.hpp> // for operator +=
using namespace boost::assign;
#include <gtsam/CppUnitLite/TestHarness.h>
#include <gtsam/inference/Key.h>
using namespace std;
using namespace gtsam;
class Pose3;
/* ************************************************************************* */
TEST ( TypedSymbol, basic_operations ) {
typedef TypedSymbol<Pose3, 'x'> Key;
Key key1(0),
key2(0),
key3(1),
key4(2);
CHECK(key1.index()==0);
CHECK(key1 == key2);
CHECK(assert_equal(key1, key2));
CHECK(!(key1 == key3));
CHECK(key1 < key3);
CHECK(key3 < key4);
}
/* ************************************************************************* */
TEST ( TypedLabledSymbol, basic_operations ) {
typedef TypedSymbol<Pose3, 'x'> SimpleKey;
typedef TypedLabeledSymbol<Pose3, 'x', int> RobotKey;
SimpleKey key7(1);
RobotKey key1(0, 1),
key2(0, 1),
key3(1, 1),
key4(2, 1),
key5(0, 2),
key6(1, 2),
key8(1, 3),
key9(key7, 3);
CHECK(key1.label()==1);
CHECK(key1.index()==0);
CHECK(key1 == key2);
CHECK(assert_equal(key1, key2));
CHECK(!(key1 == key3));
CHECK(key1 < key3);
CHECK(key3 < key4);
CHECK(!(key1 == key5));
CHECK(key1 < key5);
CHECK(key5 < key6);
CHECK(assert_equal(key9, key8));
}
/* ************************************************************************* */
TEST ( TypedLabledSymbol, encoding ) {
typedef TypedLabeledSymbol<Pose3, 'x', char> RobotKey;
RobotKey key1(37, 'A');
// Note: calculations done in test due to possible differences between machines
// take the upper two bytes for the label
short label = key1.label();
// find the shift necessary
size_t shift = (sizeof(size_t)-sizeof(short)) * 8;
size_t modifier = label;
modifier = modifier << shift;
size_t index = key1.index() + modifier;
// check index encoding
Symbol act1(key1), exp('x', index);
CHECK(assert_equal(exp, act1));
// check casting
Symbol act2 = (Symbol) key1;
CHECK(assert_equal(exp, act2));
// decode
CHECK(assert_equal(key1, RobotKey(act1)));
}
/* ************************************************************************* */
TEST ( Key, keys2symbols )
{
typedef TypedSymbol<int, 'x'> Key;
list<Symbol> expected;
expected += Key(1), Key(2), Key(3);
list<TypedSymbol<int, 'x'> > typeds;
typeds += 1, 2, 3;
CHECK(expected == keys2symbols(typeds));
}
/* ************************************************************************* */
int main() { TestResult tr; return TestRegistry::runAllTests(tr); }
/* ************************************************************************* */