diff --git a/test/runtests.jl b/test/runtests.jl
index 33a292b..8b9a89f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -12,6 +12,7 @@ end
 
 include("test_api.jl")
 include("test_types.jl")
+include("test_checksums.jl")
 include("test_SpdxAnnotation.jl")
 include("test_SpdxLicense.jl")
 include("test_SpdxRelationship.jl")
diff --git a/test/test_checksums.jl b/test/test_checksums.jl
new file mode 100644
index 0000000..9a29b19
--- /dev/null
+++ b/test/test_checksums.jl
@@ -0,0 +1,4 @@
+@testset "checksums" begin
+    checksum= spdxchecksum("SHA1", pkgdir(SPDX), String["SPDX.spdx.json"], String[".git"])
+    @test checksum isa Vector{UInt8}  # No good way to indepently verify that the calculation is correct.
+end
\ No newline at end of file