135 lines
3.6 KiB
C++
135 lines
3.6 KiB
C++
#include "catch.hpp"
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#include <sstream>
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#include <boost/crc.hpp>
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#include <osmium/osm/box.hpp>
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#include <osmium/osm/crc.hpp>
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#include <osmium/geom/relations.hpp>
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TEST_CASE("Starting with default constructed box") {
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osmium::Box b;
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SECTION("default constructor creates invalid box") {
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REQUIRE(!b);
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REQUIRE(!b.bottom_left());
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REQUIRE(!b.top_right());
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REQUIRE_THROWS_AS(b.size(), osmium::invalid_location);
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}
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SECTION("extend with undefined") {
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REQUIRE(!b);
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b.extend(osmium::Location{});
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REQUIRE(!b);
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REQUIRE(!b.bottom_left());
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REQUIRE(!b.top_right());
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}
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SECTION("extend with invalid") {
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REQUIRE(!b);
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b.extend(osmium::Location{200.0, 100.0});
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REQUIRE(!b);
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REQUIRE(!b.bottom_left());
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REQUIRE(!b.top_right());
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}
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SECTION("extend with valid") {
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osmium::Location loc1 { 1.2, 3.4 };
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b.extend(loc1);
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REQUIRE(!!b);
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REQUIRE(!!b.bottom_left());
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REQUIRE(!!b.top_right());
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REQUIRE(b.contains(loc1));
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osmium::Location loc2 { 3.4, 4.5 };
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osmium::Location loc3 { 5.6, 7.8 };
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b.extend(loc2);
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b.extend(loc3);
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REQUIRE(b.bottom_left() == osmium::Location(1.2, 3.4));
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REQUIRE(b.top_right() == osmium::Location(5.6, 7.8));
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// extend with undefined doesn't change anything
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b.extend(osmium::Location());
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REQUIRE(b.bottom_left() == osmium::Location(1.2, 3.4));
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REQUIRE(b.top_right() == osmium::Location(5.6, 7.8));
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REQUIRE(b.contains(loc1));
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REQUIRE(b.contains(loc2));
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REQUIRE(b.contains(loc3));
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osmium::CRC<boost::crc_32_type> crc32;
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crc32.update(b);
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REQUIRE(crc32().checksum() == 0xd381a838);
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}
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SECTION("output defined") {
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b.extend(osmium::Location(1.2, 3.4));
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b.extend(osmium::Location(5.6, 7.8));
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std::stringstream out;
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out << b;
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REQUIRE(out.str() == "(1.2,3.4,5.6,7.8)");
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REQUIRE(b.size() == Approx(19.36).epsilon(0.000001));
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}
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SECTION("output undefined") {
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std::stringstream out;
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out << b;
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REQUIRE(out.str() == "(undefined)");
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}
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SECTION("output undefined bottom left") {
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b.top_right() = osmium::Location(1.2, 3.4);
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std::stringstream out;
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out << b;
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REQUIRE(out.str() == "(undefined)");
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}
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SECTION("output undefined top right") {
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b.bottom_left() = osmium::Location(1.2, 3.4);
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std::stringstream out;
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out << b;
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REQUIRE(out.str() == "(undefined)");
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}
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}
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TEST_CASE("Create box from locations") {
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osmium::Box b{osmium::Location{1.23, 2.34}, osmium::Location{3.45, 4.56}};
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REQUIRE(!!b);
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REQUIRE(b.bottom_left() == (osmium::Location{1.23, 2.34}));
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REQUIRE(b.top_right() == (osmium::Location{3.45, 4.56}));
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}
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TEST_CASE("Create box from doubles") {
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osmium::Box b{1.23, 2.34, 3.45, 4.56};
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REQUIRE(!!b);
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REQUIRE(b.bottom_left() == (osmium::Location{1.23, 2.34}));
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REQUIRE(b.top_right() == (osmium::Location{3.45, 4.56}));
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}
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TEST_CASE("Relationship between boxes") {
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osmium::Box outer;
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outer.extend(osmium::Location(1, 1));
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outer.extend(osmium::Location(10, 10));
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osmium::Box inner;
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inner.extend(osmium::Location(2, 2));
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inner.extend(osmium::Location(4, 4));
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osmium::Box overlap;
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overlap.extend(osmium::Location(3, 3));
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overlap.extend(osmium::Location(5, 5));
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REQUIRE( osmium::geom::contains(inner, outer));
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REQUIRE(!osmium::geom::contains(outer, inner));
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REQUIRE(!osmium::geom::contains(overlap, inner));
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REQUIRE(!osmium::geom::contains(inner, overlap));
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}
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