/* Test the method 'splitAt'*/
TEST_F(PositionVectorTest, test_method_splitAt) {
PositionVector vec;
vec.push_back(Position(0,0));
vec.push_back(Position(2,0));
vec.push_back(Position(5,0));
SUMOReal smallDiff = POSITION_EPS / 2;
std::pair<PositionVector, PositionVector> result;
// split in first segment
result = vec.splitAt(1);
EXPECT_DOUBLE_EQ(2, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(1, result.first[1].x());
EXPECT_DOUBLE_EQ(3, result.second.size());
EXPECT_DOUBLE_EQ(1, result.second[0].x());
EXPECT_DOUBLE_EQ(2, result.second[1].x());
EXPECT_DOUBLE_EQ(5, result.second[2].x());
// split in second segment
result = vec.splitAt(4);
EXPECT_DOUBLE_EQ(3, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(2, result.first[1].x());
EXPECT_DOUBLE_EQ(4, result.first[2].x());
EXPECT_DOUBLE_EQ(2, result.second.size());
EXPECT_DOUBLE_EQ(4, result.second[0].x());
EXPECT_DOUBLE_EQ(5, result.second[1].x());
// split close before inner point
result = vec.splitAt(2 - smallDiff);
EXPECT_DOUBLE_EQ(2, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(2, result.first[1].x());
EXPECT_DOUBLE_EQ(2, result.second.size());
EXPECT_DOUBLE_EQ(2, result.second[0].x());
EXPECT_DOUBLE_EQ(5 ,result.second[1].x());
// split close after inner point
result = vec.splitAt(2 + smallDiff);
EXPECT_DOUBLE_EQ(2, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(2, result.first[1].x());
EXPECT_DOUBLE_EQ(2, result.second.size());
EXPECT_DOUBLE_EQ(2, result.second[0].x());
EXPECT_DOUBLE_EQ(5 ,result.second[1].x());
// catch a bug
vec.push_back(Position(6,0));
vec.push_back(Position(8,0));
// split at inner point
result = vec.splitAt(5);
EXPECT_DOUBLE_EQ(3, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(2, result.first[1].x());
EXPECT_DOUBLE_EQ(5, result.first[2].x());
EXPECT_DOUBLE_EQ(3, result.second.size());
EXPECT_DOUBLE_EQ(5, result.second[0].x());
EXPECT_DOUBLE_EQ(6 ,result.second[1].x());
EXPECT_DOUBLE_EQ(8 ,result.second[2].x());
// split short vector
PositionVector vec2;
vec2.push_back(Position(0,0));
vec2.push_back(Position(2,0));
result = vec2.splitAt(1);
EXPECT_DOUBLE_EQ(2, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(1, result.first[1].x());
EXPECT_DOUBLE_EQ(2, result.second.size());
EXPECT_DOUBLE_EQ(1, result.second[0].x());
EXPECT_DOUBLE_EQ(2 ,result.second[1].x());
// split very short vector
PositionVector vec3;
vec3.push_back(Position(0,0));
vec3.push_back(Position(POSITION_EPS,0));
// supress expected warning
MsgHandler::getWarningInstance()->removeRetriever(&OutputDevice::getDevice("stderr"));
result = vec3.splitAt(smallDiff);
MsgHandler::getWarningInstance()->addRetriever(&OutputDevice::getDevice("stderr"));
EXPECT_DOUBLE_EQ(2, result.first.size());
EXPECT_DOUBLE_EQ(0, result.first[0].x());
EXPECT_DOUBLE_EQ(smallDiff, result.first[1].x());
EXPECT_DOUBLE_EQ(2, result.second.size());
EXPECT_DOUBLE_EQ(smallDiff, result.second[0].x());
EXPECT_DOUBLE_EQ(POSITION_EPS ,result.second[1].x());
}
