Add tests for sfVertexArray

Author: ChrisThrasher

test/CMakeLists.txt

@@ -52,6 +52,7 @@ add_executable(test-csfml-graphics
     Graphics/RenderStates.test.cpp
     Graphics/StencilMode.test.cpp
     Graphics/Transform.test.cpp
+    Graphics/VertexArray.test.cpp
 )
 target_link_libraries(test-csfml-graphics PRIVATE csfml-graphics Catch2::Catch2WithMain SFML::Graphics)
 set_target_warnings(test-csfml-graphics)

test/Graphics/VertexArray.test.cpp

@@ -0,0 +1,116 @@
+#include <CSFML/Graphics/VertexArray.h>
+
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("[Graphics] sfVertexArray")
+{
+    SECTION("sfVertexArray_create")
+    {
+        const sfVertexArray* vertexArray = sfVertexArray_create();
+        CHECK(sfVertexArray_getVertexCount(vertexArray) == 0);
+        CHECK(sfVertexArray_getPrimitiveType(vertexArray) == sfPoints);
+        const sfFloatRect bounds = sfVertexArray_getBounds(vertexArray);
+        CHECK(bounds.position.x == 0);
+        CHECK(bounds.position.y == 0);
+        CHECK(bounds.size.x == 0);
+        CHECK(bounds.size.y == 0);
+        sfVertexArray_destroy(vertexArray);
+    }
+
+    SECTION("sfVertexArray_copy")
+    {
+        sfVertexArray* vertexArray1 = sfVertexArray_create();
+        sfVertexArray_resize(vertexArray1, 10);
+        sfVertexArray_setPrimitiveType(vertexArray1, sfLines);
+        const sfVertexArray* vertexArray2 = sfVertexArray_copy(vertexArray1);
+        CHECK(sfVertexArray_getVertexCount(vertexArray2) == 10);
+        CHECK(sfVertexArray_getPrimitiveType(vertexArray2) == sfLines);
+        sfVertexArray_destroy(vertexArray2);
+        sfVertexArray_destroy(vertexArray1);
+    }
+
+    SECTION("sfVertexArray_resize")
+    {
+        sfVertexArray* vertexArray = sfVertexArray_create();
+        sfVertexArray_resize(vertexArray, 42);
+        const auto vertexCount = sfVertexArray_getVertexCount(vertexArray);
+        CHECK(vertexCount == 42);
+        for (std::size_t i = 0; i < vertexCount; ++i)
+        {
+            const auto& vertex = *sfVertexArray_getVertex(vertexArray, i);
+            CHECK(vertex.position.x == 0);
+            CHECK(vertex.position.y == 0);
+            CHECK(+vertex.color.r == sfWhite.r);
+            CHECK(+vertex.color.g == sfWhite.g);
+            CHECK(+vertex.color.b == sfWhite.b);
+            CHECK(+vertex.color.a == sfWhite.a);
+            CHECK(vertex.texCoords.x == 0);
+            CHECK(vertex.texCoords.y == 0);
+        }
+        sfVertexArray_destroy(vertexArray);
+    }
+
+    SECTION("sfVertexArray_clear")
+    {
+        sfVertexArray* vertexArray = sfVertexArray_create();
+        sfVertexArray_resize(vertexArray, 13);
+        sfVertexArray_setPrimitiveType(vertexArray, sfLines);
+        sfVertexArray_clear(vertexArray);
+        CHECK(sfVertexArray_getVertexCount(vertexArray) == 0);
+        CHECK(sfVertexArray_getPrimitiveType(vertexArray) == sfLines);
+        sfVertexArray_destroy(vertexArray);
+    }
+
+    SECTION("sfVertexArray_append")
+    {
+        sfVertexArray* vertexArray = sfVertexArray_create();
+        sfVertexArray_append(vertexArray, {{1, 2}, {3, 4, 5, 6}, {7, 8}});
+        CHECK(sfVertexArray_getVertexCount(vertexArray) == 1);
+        const auto& vertex = *sfVertexArray_getVertex(vertexArray, 0);
+        CHECK(vertex.position.x == 1);
+        CHECK(vertex.position.y == 2);
+        CHECK(+vertex.color.r == 3);
+        CHECK(+vertex.color.g == 4);
+        CHECK(+vertex.color.b == 5);
+        CHECK(+vertex.color.a == 6);
+        CHECK(vertex.texCoords.x == 7);
+        CHECK(vertex.texCoords.y == 8);
+        sfVertexArray_destroy(vertexArray);
+    }
+
+    SECTION("sfVertexArray_getBounds")
+    {
+        sfVertexArray* vertexArray = sfVertexArray_create();
+        sfVertexArray_append(vertexArray, {{1, 1}, {}, {}});
+        sfVertexArray_append(vertexArray, {{2, 2}, {}, {}});
+
+        sfFloatRect bounds = sfVertexArray_getBounds(vertexArray);
+        CHECK(bounds.position.x == 1);
+        CHECK(bounds.position.y == 1);
+        CHECK(bounds.size.x == 1);
+        CHECK(bounds.size.y == 1);
+
+        *sfVertexArray_getVertex(vertexArray, 0) = {{0, 0}, {}, {}};
+        bounds                                   = sfVertexArray_getBounds(vertexArray);
+        CHECK(bounds.position.x == 0);
+        CHECK(bounds.position.y == 0);
+        CHECK(bounds.size.x == 2);
+        CHECK(bounds.size.y == 2);
+
+        *sfVertexArray_getVertex(vertexArray, 0) = {{5, 5}, {}, {}};
+        bounds                                   = sfVertexArray_getBounds(vertexArray);
+        CHECK(bounds.position.x == 2);
+        CHECK(bounds.position.y == 2);
+        CHECK(bounds.size.x == 3);
+        CHECK(bounds.size.y == 3);
+
+        sfVertexArray_append(vertexArray, {{10, 10}, {}, {}});
+        bounds = sfVertexArray_getBounds(vertexArray);
+        CHECK(bounds.position.x == 2);
+        CHECK(bounds.position.y == 2);
+        CHECK(bounds.size.x == 8);
+        CHECK(bounds.size.y == 8);
+
+        sfVertexArray_destroy(vertexArray);
+    }
+}