mapnik/test/unit/vertex_adapter/extend_converter.cpp
2017-03-27 16:14:51 +01:00

128 lines
3.2 KiB
C++

#include "catch.hpp"
#include "fake_path.hpp"
// mapnik
#include <mapnik/extend_converter.hpp>
// stl
#include <iostream>
namespace offset_test {
TEST_CASE("extend converter") {
SECTION("empty") {
try
{
fake_path path = {};
mapnik::extend_converter<fake_path> c(path, 1000);
double x, y;
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
REQUIRE(false);
}
}
SECTION("one point") {
try
{
fake_path path = { 0, 0 };
mapnik::extend_converter<fake_path> c(path, 1000);
double x, y;
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_MOVETO);
REQUIRE(x == 0);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
REQUIRE(false);
}
}
SECTION("two points") {
try
{
fake_path path = { 0, 0 , 1, 0};
mapnik::extend_converter<fake_path> c(path, 1000);
double x, y;
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_MOVETO);
REQUIRE(x == -1000);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 1001);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
REQUIRE(false);
}
}
SECTION("three points") {
try
{
fake_path path = { 0, 0, 1, 0, 2, 0 };
mapnik::extend_converter<fake_path> c(path, 1000);
double x, y;
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_MOVETO);
REQUIRE(x == -1000);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 1);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 1002);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
REQUIRE(false);
}
}
SECTION("more points") {
try
{
fake_path path = { 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0 };
mapnik::extend_converter<fake_path> c(path, 1000);
double x, y;
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_MOVETO);
REQUIRE(x == -1000);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 1);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 2);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 3);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 4);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_LINETO);
REQUIRE(x == 1005);
REQUIRE(y == 0);
REQUIRE(c.vertex(&x, &y) == mapnik::SEG_END);
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
REQUIRE(false);
}
}
}
}