From eecf4b1e666211a13afa56f93477c55e8fd01621 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Thu, 2 Jun 2022 19:51:54 +0200
Subject: feat: implement game of life

---
 test/cell_helper_test.cpp | 99 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 test/cell_helper_test.cpp

(limited to 'test/cell_helper_test.cpp')

diff --git a/test/cell_helper_test.cpp b/test/cell_helper_test.cpp
new file mode 100644
index 0000000..b570aba
--- /dev/null
+++ b/test/cell_helper_test.cpp
@@ -0,0 +1,99 @@
+#include "engine/data/vector2.hpp"
+#include "game/cell_helper.hpp"
+
+#include "mocks/matrix.hpp"
+
+#include <gtest/gtest.h>
+
+#include <list>
+#include <memory>
+
+class CellHelperTest : public testing::Test
+{
+protected:
+};
+
+TEST_F(CellHelperTest, IsCellDying)
+{
+	const auto mock_matrix = MockMatrix<char>();
+
+	const auto rows = 8U;
+	const auto columns = 6U;
+
+	const auto position = Vector2({.x = 3, .y = 5});
+
+	EXPECT_CALL(mock_matrix, get_row_cnt()).WillRepeatedly(testing::Return(rows));
+
+	EXPECT_CALL(mock_matrix, get_column_cnt()).WillRepeatedly(testing::Return(columns));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::up()))
+		.WillOnce(testing::Return('x'))
+		.WillOnce(testing::Return(' '))
+		.WillOnce(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::down()))
+		.WillRepeatedly(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::left()))
+		.WillOnce(testing::Return('x'))
+		.WillOnce(testing::Return('x'))
+		.WillOnce(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::right()))
+		.WillOnce(testing::Return('x'))
+		.WillOnce(testing::Return(' '))
+		.WillOnce(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::up() + Vector2::left()))
+		.WillRepeatedly(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::up() + Vector2::right()))
+		.WillRepeatedly(testing::Return('x'));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::down() + Vector2::left()))
+		.WillRepeatedly(testing::Return(' '));
+
+	EXPECT_CALL(mock_matrix, get(position + Vector2::down() + Vector2::right()))
+		.WillRepeatedly(testing::Return(' '));
+
+	auto cell_helper = CellHelper<char>(mock_matrix);
+
+	EXPECT_EQ(cell_helper.is_cell_dying(position), true);
+
+	EXPECT_EQ(cell_helper.is_cell_dying(position), false);
+
+	EXPECT_EQ(cell_helper.is_cell_dying(position), true);
+}
+
+TEST_F(CellHelperTest, FindNeighbours)
+{
+	const auto mock_matrix = MockMatrix<char>();
+
+	const auto rows = 8U;
+	const auto columns = 6U;
+
+	const auto position = Vector2({.x = 3, .y = 5});
+
+	EXPECT_CALL(mock_matrix, get_row_cnt()).WillOnce(testing::Return(rows));
+
+	EXPECT_CALL(mock_matrix, get_column_cnt()).WillOnce(testing::Return(columns));
+
+	auto cell_helper = CellHelper<char>(mock_matrix);
+
+	const auto living_neighbour_cells = cell_helper.find_neighbours(position);
+
+	EXPECT_EQ(living_neighbour_cells.size(), 8U);
+
+	EXPECT_THAT(
+		living_neighbour_cells,
+		testing::ContainerEq(std::list<Vector2>(
+			{position + Vector2::up(),
+			 position + Vector2::down(),
+			 position + Vector2::left(),
+			 position + Vector2::right(),
+			 position + Vector2::up() + Vector2::left(),
+			 position + Vector2::up() + Vector2::right(),
+			 position + Vector2::down() + Vector2::left(),
+			 position + Vector2::down() + Vector2::right()})));
+}
+
-- 
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