C++ (Cpp) PositionVector::scaleSize Examples

Example #1

File: PositionVectorTest.cpp Project: harora/ITS

/* Test the method 'scaleSize'.*/
TEST_F(PositionVectorTest, test_method_scaleSize) {
    PositionVector square;
    square.push_back(Position(0,0));
    square.push_back(Position(1,0));
    square.push_back(Position(1,1));
    square.push_back(Position(0,1));
    square.push_back(Position(0,0));
    EXPECT_DOUBLE_EQ(square.area(), 1);
    square.scaleSize(3);
    EXPECT_DOUBLE_EQ(square.area(), 9);

    PositionVector expected;
    expected.push_back(Position(-1,-1));
    expected.push_back(Position(2,-1));
    expected.push_back(Position(2,2));
    expected.push_back(Position(-1,2));
    expected.push_back(Position(-1,-1));

    EXPECT_EQ(expected.getCentroid(), square.getCentroid());
    for (size_t i = 0; i < square.size(); i++) {
        EXPECT_DOUBLE_EQ(expected[i].x(), square[i].x());
        EXPECT_DOUBLE_EQ(expected[i].y(), square[i].y());
    }
}