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@@ -0,0 +1,105 @@
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+//
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+// entity_test.cxx
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+// engine-test
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+//
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+// Created by Sam Jaffe on 8/3/19.
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+// Copyright © 2019 Sam Jaffe. All rights reserved.
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+//
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+
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+#include <sstream>
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+
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+#include <gmock/gmock.h>
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+#include <json/json.h>
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+
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+#include "game/engine/entity.hpp"
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+
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+#include "mock_renderer.h"
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+
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+using namespace engine;
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+
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+using testing::Eq;
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+using testing::Ne;
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+
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+namespace math { namespace dim2 {
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+ bool operator==(rectangle const & lhs, rectangle const & rhs) {
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+ return lhs.origin == rhs.origin && lhs.size == rhs.size;
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+ }
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+ bool operator!=(rectangle const & lhs, rectangle const & rhs) {
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+ return !(lhs == rhs);
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+ }
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+ bool operator==(quad const & lhs, quad const & rhs) {
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+ return lhs.ll == rhs.ll && lhs.lr == rhs.lr && lhs.ul == rhs.ul
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+ && lhs.ur == rhs.ur;
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+ }
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+ bool operator!=(quad const & lhs, quad const & rhs) {
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+ return !(lhs == rhs);
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+ }
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+}}
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+
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+inline Json::Value to_json(std::string const & str) {
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+ Json::Value json;
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+ std::stringstream(str) >> json;
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+ return json;
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+}
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+
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+TEST(CollidableTest, ConstructsUsingGraphics) {
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+ math::dim2::rectangle bounds{make_vector(0.f, 0.f), make_vector(1.f, 1.f)};
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+ graphics::object obj{bounds, bounds, cast<graphics::material>(1), bounds};
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+
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+ collidable collide{obj};
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+ EXPECT_THAT(collide.render_info().location, Eq(obj.location));
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+}
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+
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+std::string const data = R"(
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+{
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+ "velocity": [ 1.0, 2.0 ],
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+ "size": 1.0
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+}
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+)";
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+
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+TEST(EntityTest, ConstructsFromJson) {
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+ math::dim2::rectangle bounds{make_vector(0.f, 0.f), make_vector(1.f, 1.f)};
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+ graphics::object obj{bounds, bounds, cast<graphics::material>(1), bounds};
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+
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+ entity ent{to_json(data), obj};
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+ EXPECT_THAT(ent.render_info().location, Eq(obj.location));
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+}
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+
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+
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+TEST(EntityTest, SizeParamAltersLocation) {
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+ math::dim2::rectangle bounds{make_vector(0.f, 0.f), make_vector(1.f, 1.f)};
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+ graphics::object obj{bounds, bounds, cast<graphics::material>(1), bounds};
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+
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+ Json::Value json = to_json(data);
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+ json["size"] = 2.f;
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+ entity ent{json, obj};
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+ math::dim2::rectangle expected{make_vector(0.f, 0.f), make_vector(2.f, 2.f)};
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+ EXPECT_THAT(ent.render_info().location, Ne(obj.location));
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+ EXPECT_THAT(ent.render_info().location, Eq(expected));
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+}
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+
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+TEST(EntityTest, MoveWillAdjustPointsAndBounds) {
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+ math::dim2::rectangle bounds{make_vector(0.f, 0.f), make_vector(1.f, 1.f)};
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+ graphics::object obj{bounds, bounds, cast<graphics::material>(1), bounds};
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+
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+ entity ent{to_json(data), obj};
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+ ent.update(1.f);
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+
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+ math::dim2::rectangle expected{make_vector(1.f, 2.f), make_vector(1.f, 1.f)};
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+ EXPECT_THAT(ent.render_info().location, Eq(expected));
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+ EXPECT_THAT(ent.render_info().points, Eq(math::dim2::quad(expected)));
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+}
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+
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+TEST(EntityTest, MoveIsAFunctionOfVelocity) {
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+ math::dim2::rectangle bounds{make_vector(0.f, 0.f), make_vector(1.f, 1.f)};
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+ graphics::object obj{bounds, bounds, cast<graphics::material>(1), bounds};
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+
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+ entity ent{to_json(data), obj};
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+ ent.update(0.5f);
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+
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+ math::dim2::rectangle expected{make_vector(0.5f, 1.f), make_vector(1.f, 1.f)};
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+ EXPECT_THAT(ent.render_info().location, Eq(expected));
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+ EXPECT_THAT(ent.render_info().points, Eq(math::dim2::quad(expected)));
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+}
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+
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+// TODO: Test Acceleration and Angular-Velocity
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Sam Jaffe