test: sstable_3_x_test: add test_compression_premature_eof

Reproduces #13599 and verifies the fix.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>

Closes #13903

test/boost/sstable_3_x_test.cc

@@ -5514,3 +5514,26 @@ SEASTAR_TEST_CASE(test_legacy_udt_in_collection_table) {
     assert_that(sst.make_reader()).produces(mut).produces_end_of_stream();
   });
 }
+
+SEASTAR_TEST_CASE(test_compression_premature_eof) {
+    return test_env::do_with_async([] (test_env& env) {
+        auto stable_dir = "./test/resource/sstables/compression-premature-eof";
+        sstable_assertions sst(env, ZSTD_MULTIPLE_CHUNKS_SCHEMA, stable_dir);
+        sst.load();
+
+        auto to_key = [] (int key) {
+            auto bytes = int32_type->decompose(int32_t(key));
+            auto pk = partition_key::from_single_value(*ZSTD_MULTIPLE_CHUNKS_SCHEMA, bytes);
+            return dht::decorate_key(*ZSTD_MULTIPLE_CHUNKS_SCHEMA, pk);
+        };
+
+        flat_reader_assertions_v2 assertions(sst.make_reader());
+        try {
+            assertions.produces_partition_start(to_key(0));
+            BOOST_FAIL("produces_partition_start unexpectedly");
+        } catch (const sstables::malformed_sstable_exception& e) {
+            std::string what = e.what();
+            BOOST_REQUIRE(what.find("compressed reader hit premature end-of-file") != std::string::npos);
+        }
+    });
+}

test/resource/sstables/compression-premature-eof/mc-1-big-Digest.crc32

@@ -0,0 +1 @@
+2941476576

test/resource/sstables/compression-premature-eof/mc-1-big-TOC.txt

@@ -0,0 +1,8 @@
+Index.db
+Digest.crc32
+CompressionInfo.db
+Data.db
+Summary.db
+Filter.db
+Statistics.db
+TOC.txt