diff --git a/testdata/dnn/darknet/generate_darknet_models.py b/testdata/dnn/darknet/generate_darknet_models.py
index 532daea7b..9a38a3cf6 100644
--- a/testdata/dnn/darknet/generate_darknet_models.py
+++ b/testdata/dnn/darknet/generate_darknet_models.py
@@ -36,4 +36,5 @@ def genTestData(name, inpShape, outShape):
 genTestData('route', [1, 4, 3, 6], [1, 2, 2, 3])
 genTestData('route_multi', [1, 6, 3, 6], [1, 4, 2, 3])
 genTestData('relu', [1, 2, 3, 4], [1, 2, 3, 4])
+genTestData('sam', [1, 2, 3, 4], [1, 4, 3, 4])
 
diff --git a/testdata/dnn/darknet/sam.cfg b/testdata/dnn/darknet/sam.cfg
new file mode 100644
index 000000000..8391986ab
--- /dev/null
+++ b/testdata/dnn/darknet/sam.cfg
@@ -0,0 +1,22 @@
+[net]
+batch=1
+channels=2
+height=3
+width=4
+
+[convolutional]
+filters=4
+size=3
+stride=1
+pad=1
+activation=leaky
+
+[convolutional]
+filters=4
+size=1
+stride=1
+pad=1
+activation=logistic
+
+[sam]
+from=-2
diff --git a/testdata/dnn/darknet/sam.weights b/testdata/dnn/darknet/sam.weights
new file mode 100644
index 000000000..ffcf144cf
Binary files /dev/null and b/testdata/dnn/darknet/sam.weights differ
diff --git a/testdata/dnn/darknet/sam_in.npy b/testdata/dnn/darknet/sam_in.npy
new file mode 100644
index 000000000..63b54d2aa
Binary files /dev/null and b/testdata/dnn/darknet/sam_in.npy differ
diff --git a/testdata/dnn/darknet/sam_out.npy b/testdata/dnn/darknet/sam_out.npy
new file mode 100644
index 000000000..486ac814b
Binary files /dev/null and b/testdata/dnn/darknet/sam_out.npy differ