Add ImageFormatStub test

Author: adazem009

test/CMakeLists.txt

@@ -31,3 +31,4 @@ add_subdirectory(engine)
 add_subdirectory(clock)
 add_subdirectory(timer)
 add_subdirectory(randomgenerator)
+add_subdirectory(imageformats)

test/imageformats/CMakeLists.txt

@@ -0,0 +1,13 @@
+# stub
+add_executable(
+  imageformatstub_test
+  imageformatstub_test.cpp
+)
+
+target_link_libraries(
+  imageformatstub_test
+  GTest::gtest_main
+  scratchcpp
+)
+
+gtest_discover_tests(imageformatstub_test)

test/imageformats/imageformatstub_test.cpp

@@ -0,0 +1,32 @@
+#include <imageformats/stub/imageformatstub.h>
+
+#include "../common.h"
+
+using namespace libscratchcpp;
+
+TEST(ImageFormatStubTest, Width)
+{
+    ImageFormatStub img;
+    ASSERT_EQ(img.width(), 0);
+}
+
+TEST(ImageFormatStubTest, Height)
+{
+    ImageFormatStub img;
+    ASSERT_EQ(img.height(), 0);
+}
+
+TEST(ImageFormatStubTest, ColorAt)
+{
+    ImageFormatStub img;
+    ASSERT_EQ(img.colorAt(0, 0, 1), 0);
+    ASSERT_EQ(img.colorAt(0, 1, 1), 0);
+    ASSERT_EQ(img.colorAt(0, 2, 1), 0);
+    ASSERT_EQ(img.colorAt(1, 0, 1), 0);
+    ASSERT_EQ(img.colorAt(1, 1, 1), 0);
+    ASSERT_EQ(img.colorAt(1, 2, 1), 0);
+    ASSERT_EQ(img.colorAt(2, 0, 1), 0);
+    ASSERT_EQ(img.colorAt(2, 1, 1), 0);
+    ASSERT_EQ(img.colorAt(2, 2, 1), 0);
+    ASSERT_EQ(img.colorAt(2, 2, 2.5), 0);
+}