added first grid test

include/tug/Grid.hpp

@@ -95,6 +95,13 @@ class Grid {
          */
         int getDim();
 
+        /**
+         * @brief Gets length of 1D grid. Must be one dimensional grid.
+         * 
+         * @return int Length of 1D grid.
+         */
+        int getLength();
+
         /**
          * @brief Gets the number of rows of the grid.
          * 
@@ -132,7 +139,7 @@ class Grid {
         double getDeltaCol();
 
         /**
-         * @brief Gets the delta value in y-direction.
+         * @brief Gets the delta value in y-direction. Must be two dimensional grid.
          * 
          * @return double Delta value in y-direction. 
          */

src/Grid.cpp

@@ -103,6 +103,14 @@ int Grid::getDim() {
     return dim;
 }
 
+int Grid::getLength() {
+    if (dim != 1) {
+        throw_invalid_argument("Grid is not one dimensional, you should probably use getRow() or getCol()!");
+    }
+
+    return col;
+}
+
 int Grid::getRow() {
     return row;
 }
@@ -142,5 +150,9 @@ double Grid::getDeltaCol() {
 }
 
 double Grid::getDeltaRow() {
+    if (dim != 2) {
+        throw_invalid_argument("Grid is not two dimensional, meaning there is no delta in y-direction!");
+    }
+
     return this->deltaRow;
 }

test/CMakeLists.txt

@@ -11,7 +11,7 @@ if(NOT DOCTEST_LIB)
   FetchContent_MakeAvailable(DocTest)
 endif()
 
-add_executable(testTug setup.cpp testSimulation.cpp) # testBoundaryCondition.cpp testDiffusion.cpp
+add_executable(testTug setup.cpp testSimulation.cpp testGrid.cpp) # testBoundaryCondition.cpp testDiffusion.cpp
 target_link_libraries(testTug doctest tug)
 
 # get relative path of the CSV file

test/testGrid.cpp

@@ -0,0 +1,42 @@
+#include <doctest/doctest.h>
+#include <tug/Grid.hpp>
+
+TEST_CASE("1D Grid") {
+    int l = 12;
+    Grid grid(l);
+
+    SUBCASE("correct construction") {
+        CHECK_EQ(grid.getDim(), 1);
+        CHECK_EQ(grid.getLength(), l);
+        CHECK_EQ(grid.getCol(), l);
+        CHECK_EQ(grid.getRow(), 1);
+
+        CHECK_EQ(grid.getConcentrations().rows(), 1);
+        CHECK_EQ(grid.getConcentrations().cols(), l);
+        CHECK_EQ(grid.getAlpha().rows(), 1);
+        CHECK_EQ(grid.getAlpha().cols(), l);
+        CHECK_EQ(grid.getDeltaCol(), 1);
+
+        CHECK_THROWS(grid.getAlphaX());
+        CHECK_THROWS(grid.getAlphaY());
+        CHECK_THROWS(grid.getDeltaRow());
+    }
+
+    SUBCASE("") {
+
+    }
+}
+
+TEST_CASE("2D Grid quadratic") {
+    int r = 12;
+    int c = 12;
+
+    // TODO
+}
+
+TEST_CASE("2D Grid non-quadratic") {
+    int r = 12;
+    int c = 15;
+
+    // TODO
+}