+test_expect_success XZ 'verify xz format' '
+ xz --test master.tar.xz
+'
+
+test_expect_success XZ 'untar' '
+ rm -rf master &&
+ xz -dc master.tar.xz | tar -xf -
+'
+
+test_expect_success XZ 'count files' '
+ ls master/ >output &&
+ test_line_count = 5 output
+'
+
+test_expect_success XZ 'verify untarred file-5' '
+ grep "^5$" master/file-5 &&
+ test_line_count = 1 master/file-5
+'
+
+if test -n "$(which zstd 2>/dev/null)"; then
+ test_set_prereq ZSTD
+else
+ say 'Skipping ZSTD validation tests: zstd not found'
+fi
+
+test_expect_success ZSTD 'get foo/snapshot/master.tar.zst' '
+ cgit_url "foo/snapshot/master.tar.zst" >tmp
+'
+
+test_expect_success ZSTD 'check html headers' '
+ head -n 1 tmp |
+ grep "Content-Type: application/x-zstd" &&
+
+ head -n 2 tmp |
+ grep "Content-Disposition: inline; filename=.master.tar.zst."
+'
+
+test_expect_success ZSTD 'strip off the header lines' '
+ strip_headers <tmp >master.tar.zst
+'
+
+test_expect_success ZSTD 'verify zstd format' '
+ zstd --test master.tar.zst
+'
+
+test_expect_success ZSTD 'untar' '
+ rm -rf master &&
+ zstd -dc master.tar.zst | tar -xf -
+'
+
+test_expect_success ZSTD 'count files' '
+ ls master/ >output &&
+ test_line_count = 5 output
+'
+
+test_expect_success ZSTD 'verify untarred file-5' '
+ grep "^5$" master/file-5 &&
+ test_line_count = 1 master/file-5
+'
+
+test_expect_success 'get foo/snapshot/master.zip' '
+ cgit_url "foo/snapshot/master.zip" >tmp
+'
+
+test_expect_success 'check HTML headers (zip)' '
+ head -n 1 tmp |
+ grep "Content-Type: application/x-zip" &&
+
+ head -n 2 tmp |
+ grep "Content-Disposition: inline; filename=.master.zip."
+'
+
+test_expect_success 'strip off the header lines (zip)' '
+ strip_headers <tmp >master.zip
+'
+
+if test -n "$(which unzip 2>/dev/null)"; then
+ test_set_prereq UNZIP
+else
+ say 'Skipping ZIP validation tests: unzip not found'
+fi
+
+test_expect_success UNZIP 'verify zip format' '
+ unzip -t master.zip