--- /dev/null
+! Copyright (C) 2021 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: tools.test compression.zstd ;
+IN: compression.zstd.tests
+
+{ B{ 1 2 3 4 } } [
+ B{ 1 2 3 4 } 5 zstd-compress-level zstd-uncompress
+] unit-test
+
+{ B{ 1 2 3 4 } } [
+ B{ 1 2 3 4 } zstd-compress zstd-uncompress
+] unit-test
+
+! bad compressed buffer, should fail
+[
+ B{ 1 2 3 4 } zstd-uncompress-size
+] [ zstd-error? ] must-fail-with
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