should be it

external/duckdb/test/sql/copy/csv/zstd_crash.test

@@ -0,0 +1,65 @@
+# name: test/sql/copy/csv/zstd_crash.test
+# description: Test that reading a ZSTD file with auto-detect does not crash
+# group: [csv]
+
+statement ok
+PRAGMA enable_verification
+
+require no_extension_autoloading "EXPECTED: zstd requires the parquet extension, currently not autoloaded"
+
+# zstd requires the parquet extension
+statement error
+CREATE TABLE test_zst AS SELECT * FROM read_csv('data/csv/broken/test.csv.zst', AUTO_DETECT=TRUE);
+----
+Attempting to open a compressed file, but the compression type is not supported
+
+statement ok
+CREATE TABLE test_zst(a INTEGER, b INTEGER, c INTEGER, d VARCHAR, e VARCHAR);
+
+# what if we try to load this with random other compressions
+statement error
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION ZSTD);
+----
+Attempting to open a compressed file, but the compression type is not supported
+
+statement error
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION GZIP);
+----
+Input is not a GZIP stream: data/csv/broken/test.csv.zst
+
+statement error
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION NONE);
+----
+* Check you are using the correct file compression, otherwise set it (e.g., compression = 'zstd')
+
+statement error
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION INFER);
+----
+Attempting to open a compressed file, but the compression type is not supported
+
+statement error
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION UNKNOWN);
+----
+Unrecognized file compression type "UNKNOWN"
+
+# zstd works once we load the parquet extension
+require parquet
+
+statement ok
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION ZSTD, HEADER);
+
+statement ok
+COPY test_zst FROM 'data/csv/broken/test.csv.zst' (COMPRESSION ZSTD, AUTO_DETECT 1);
+
+# what if we try to load a gzip file with zstd
+statement error
+COPY test_zst FROM 'data/csv/lineitem1k.tbl.gz' (COMPRESSION ZSTD);
+----
+Unknown frame descriptor
+
+# we can read/write a ZSTD file also without the extension if we specify the compression type
+statement ok
+COPY test_zst TO '__TEST_DIR__/noext.csv' (COMPRESSION ZSTD);
+
+statement ok
+COPY test_zst FROM '__TEST_DIR__/noext.csv' (COMPRESSION ZSTD);