test: fix memory leaked

Author: proost

tuple/test/array_of_strings_sketch_test.cpp

@@ -298,6 +298,8 @@ TEST_CASE("aos sketch: serialize deserialize", "[tuple_sketch]") {
 }
 
 TEST_CASE("aos serde validation", "[tuple_sketch]") {
+  using aos_alloc = std::allocator<array_of_strings>;
+  using aos_alloc_traits = std::allocator_traits<aos_alloc>;
   default_array_of_strings_serde<> serde_no_validate;
   default_array_of_strings_serde<> serde_validate(std::allocator<array_of_strings>(), true);
 
@@ -359,39 +361,49 @@ TEST_CASE("aos serde validation", "[tuple_sketch]") {
   SECTION("stream deserialize: invalid utf8 allowed by default") {
     auto arr = make_invalid_array();
     auto ss = serialize_to_stream(arr);
-    array_of_strings result(0, "");
-    REQUIRE_NOTHROW(serde_no_validate.deserialize(ss, &result, 1));
-    REQUIRE(result.size() == 1);
-    REQUIRE(result[0] == std::string("\xC3\x28", 2));
+    aos_alloc alloc;
+    auto* result = alloc.allocate(1);
+    REQUIRE_NOTHROW(serde_no_validate.deserialize(ss, result, 1));
+    REQUIRE(result->size() == 1);
+    REQUIRE((*result)[0] == std::string("\xC3\x28", 2));
+    aos_alloc_traits::destroy(alloc, result);
+    alloc.deallocate(result, 1);
   }
 
   SECTION("stream deserialize: invalid utf8 rejected when validation enabled") {
     auto arr = make_invalid_array();
     auto ss = serialize_to_stream(arr);
-    array_of_strings result(0, "");
+    aos_alloc alloc;
+    auto* result = alloc.allocate(1);
     REQUIRE_THROWS_WITH(
-      serde_validate.deserialize(ss, &result, 1),
+      serde_validate.deserialize(ss, result, 1),
       Catch::Matchers::Contains("invalid UTF-8")
     );
+    alloc.deallocate(result, 1);
   }
 
   SECTION("bytes deserialize: invalid utf8 allowed by default") {
     auto arr = make_invalid_array();
     auto buf = serialize_to_bytes(arr);
-    array_of_strings result(0, "");
-    REQUIRE_NOTHROW(serde_no_validate.deserialize(buf.data(), buf.size(), &result, 1));
-    REQUIRE(result.size() == 1);
-    REQUIRE(result[0] == std::string("\xC3\x28", 2));
+    aos_alloc alloc;
+    auto* result = alloc.allocate(1);
+    REQUIRE_NOTHROW(serde_no_validate.deserialize(buf.data(), buf.size(), result, 1));
+    REQUIRE(result->size() == 1);
+    REQUIRE((*result)[0] == std::string("\xC3\x28", 2));
+    aos_alloc_traits::destroy(alloc, result);
+    alloc.deallocate(result, 1);
   }
 
   SECTION("bytes deserialize: invalid utf8 rejected when validation enabled") {
     auto arr = make_invalid_array();
     auto buf = serialize_to_bytes(arr);
-    array_of_strings result(0, "");
+    aos_alloc alloc;
+    auto* result = alloc.allocate(1);
     REQUIRE_THROWS_WITH(
-      serde_validate.deserialize(buf.data(), buf.size(), &result, 1),
+      serde_validate.deserialize(buf.data(), buf.size(), result, 1),
       Catch::Matchers::Contains("invalid UTF-8")
     );
+    alloc.deallocate(result, 1);
   }
 
   SECTION("too many nodes rejected") {