1 files changed, 53 insertions, 0 deletions
diff --git a/test/test-software-roi.c b/test/test-software-roi.c
new file mode 100644
index 0000000..2b628c5
--- /dev/null
+++ b/test/test-software-roi.c
@@ -0,0 +1,53 @@
+#include <glib.h>
+#include "software-roi.h"
+
+static const guchar test_frame[] = {
+    0, 1, 2, 3, 4, 5, 6, 7, 8,
+    0, 1, 2, 3, 4, 5, 6, 7, 8,
+    0, 1, 2, 3, 4, 5, 6, 7, 8,
+    0, 1, 2, 3, 4, 5, 6, 7, 8,
+    0, 1, 2, 3, 4, 5, 6, 7, 8,
+};
+static const guint test_frame_width = 9;
+
+static guchar test_roi_2x1_5x3[] = {
+    2, 3, 4, 5, 6,
+    2, 3, 4, 5, 6,
+    2, 3, 4, 5, 6,
+};
+
+void typical_roi_test(void)
+{
+    guint roiX = 2;
+    guint roiY = 1;
+    guint roiWidth = 5;
+    guint roiHeight = 3;
+    guint roiSize = roiWidth * roiHeight;
+    guchar roiFrame[roiSize];
+    apply_software_roi(test_frame, test_frame_width, roiFrame, roiX, roiY, roiWidth, roiHeight);
+    for (guint i = 0; i < roiSize; i++) {
+        g_assert_cmpint(test_roi_2x1_5x3[i], ==, roiFrame[i]);
+    }
+}
+
+void nrows_only_roi_test(void)
+{
+    guint roiX = 0;
+    guint roiY = 0;
+    guint roiWidth = test_frame_width;
+    guint roiHeight = 3;
+    guint roiSize = roiWidth * roiHeight;
+    guchar roiFrame[roiSize];
+    apply_software_roi(test_frame, test_frame_width, roiFrame, roiX, roiY, roiWidth, roiHeight);
+    for (guint i = 0; i < roiSize; i++) {
+        g_assert_cmpint(test_frame[i], ==, roiFrame[i]);
+    }
+}
+
+int main(int argc, char** argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_add_func("/software-roi/apply-typical-roi", typical_roi_test);
+    g_test_add_func("/software-roi/apply-roi-nrows-only", nrows_only_roi_test);
+    return g_test_run();
+}