Squashed 'third_party/flatbuffers/' changes from e5f331db9..bc44fad35

bc44fad35 UnPackTo disable merge by default (#7527)
4fca4dc60 [TS/JS] Move TS tests to dedicated folder and deps upgrade (#7508)
036032373 Bump junit from 4.13 to 4.13.1 in /java (#7526)
89dfb43f3 Replace `bash JavaTest.sh` with `mvn test` (#7500)
c49aff4b6 enabled cpp17 tests in CI (#7524)
56e60223c prevent force_align attribute on enums (#7523)
89b1f5aa1 remove travis config (#7522)
b90159823 [Java][Flexbuffers] Add API to add nullables into the buffer. (#7521)
8cdc6a288 Install BuildFlatBuffers.cmake (#7519)
a67e35aff Moves all of the swift test code into tests/swift (#7509)
f124e41ae Updated Readme
4c954181c [Java][FlexBuffers] throwing exception for untyped fixed vectors (#7507)
7f7547737 [Android] Remove maven dependency of flatbuffers and use source folder (#7503)
a79d61ea8 Fixes issue with cocoapods failing to be published because of docc (#7505)
d465b39c3 [CMake]: fix breaking find_package change (#7499) (#7502)
c5a609dc2 [C#] Prepares for official Nuget release (#7496)
5634dc3d0 [ISSUE-6268] returns NaN insteadof nan (#7498)
37e37b8ca Updates cocoapods version (#7497)
8fd4534fb update android multidex setting (#7495)
d5427da52 Disable Android Build (#7494)
06c5c7ed0 FlatBuffers Version 2.0.8 (#7492)
b190ce11b Verifier Refinements (#7490)
bf5d23230 Namer applied to Typescript generator (#7488)
ce382d6dd [TS/JS] Add rollup and config to generate iife flatbuffers bundle (#7449)
41d9add7e C++: Add option to skip verifying nested flatbuffers (#7489)
6a8742754 [C++] support native_inline attribute for vector of tables (#7479)
694add668 Refactor test.cpp (#7487)
7edf8c908 Update scorecard to 1.1.2
b86387442 Fix typos (#7483)
e2eb5ee67 Include <array> head in stl_emulation.h (#7480)
994502b6d Version number in file package.json updated to 2.0.7 (#7476)
fa41e8367 [C++] Fixed crash when copying table with empty shared strings (#7477)
799cc8f7b Use type traits for specialization (#7475)
b7eb44147 Disable RTTI and rework use in idl_gen_ts.cpp (#7474)
8d01c5859 CMake project version detection made more robust (#7473)
237e8b71f Moved compiler warnings around (#7471)
eeb8fd60d Include builder.addOffset for vector of structs (#7470)
fef2ffc4d Use schema include name for keep-prefix (#7469)
8367664f1 Flatbuffers Version 2.0.7 (#7462)
d6f06c33f Reworked keep prefix (#7456)
627e8bf36 update grpc version (#7457)
883c42b7d disabling unpackto optimization (#7459)
7aae0af30 Remove old GRPC bash script and convert to python3 (#7454)
b057aa917 Grouped anonymous namespaces together, (#7455)
f1b26ff7f Change to GetTypeName (#7453)
9610a666b Generate SLSA signatures for Released zip files (#7450)
1e0f75a64 [WIP] speedup (#7452)
82b75407a Wrap types in namespace for --ts-flat-files and --gen-all (#7451)
f7c511957 Audit and fixups for GCC and Clang (#7212)
a66de58af Partial support for --ts-flat-files and --gen-all (#7446)
a3508f36d [Kotlin] Make sure namespace path exist for code generation (#7357)
137fec716 Stop using __has_trivial_copy on recent clang versions. (#7443)
214125e41 [C#] Rework how sorted vectors are looked up (#7441)
44a7dc999 Define minimum buffer size (#7440)
3cc2daa78 make_span overloads for pointer to vector (#7374) (#7435)
fa1174aa7 [TypeScript] Fix namespaceless schema generation (#7432)
83d4e2a10 Add checks to verifier (#7438)
8a09f3fb0 Fix FlexBuffers JS/TS bug https://github.com/google/flatbuffers/issues/6934 (#7434)
9dbe819ef Add flatc python tests to CI (#7437)
67c414958 Update TypeScriptTest.py to work better cross platform (#7436)
8b8c7dbdf Update gitingore to reflect name change (#7431)
2ee20a5f3 Remove auto including locale functions (#7430)
4be605604 [C++] Set StructDef::has_key property when deserializing from binary schema (#7386) (#7428)
fc5d86f1e [C++] Make template parameter in stl_emulation.h more explicit to avoid conflicts with cpprestsdk U macro (#7424)
9dce287ad Issue#6959 :Updated Automatically generated rust files. (#7425)
7798be3bb avoid zero-as-null-pointer warning (#7423)
966362e07 [C++] Vector of Tables equality (#7415)
a89c279ed [golang] Perform keyword escaping after case conversion (#7421)
a212b3c03 Turn of fail fast for C++ CI
9230f600d Remove stringop-overflow from error (#7422)
c79362156 [golang] Add support for text parsing with json struct tags (#7353)
ee2ced236 Moved TypeScriptTests to python script (#7411)
468c00a3f Rebased: grpc/compiler: Respect filename suffix and extension during code generation (#7414)
47c757f71 Add tests for flatc (#7405)
9a5ff8900 Add FLATBUFFERS_STRICT_MODE (#7408)
950444a34 [TS] Use TextEncoder and TextDecoder (#7400)
30d76198c Compilation issue msys2 #7399 (#7409)
cce3a66f0 Delete .travis directory
8d1cc6ac7 Revert "Compilation issue msys2 (#7403)" (#7407)
5b207639a Update readme.md
359e0f9d6 Revert "grpc/compiler: Respect filename suffix and extension during code generation (#7343)" (#7406)
ebbed0513 Delete cpp-linter.yml
aa395e5a5 (#7323) Rename CMake files according to project name (#7378)
32328075d Fix error msg format when generate GRPC failed (#7350)
97e89c5ac grpc/compiler: Respect filename suffix and extension during code generation (#7343)
5f6672be4 Fix Clang-Cl compile on Windows (#7308)
28e858c85 [TS/Bazel] Minor improvements to typescript.bzl (#7300)
987bebe67 [TS] fix incorrect reverse when writting array of structs (#7271)
ec0129369 Fix FlexBuffers Verifier tracking vectors reuse at wrong offset
50dd385b3 Add missing const (#7401)
da702cfd8 Compilation issue msys2 (#7403)
6e2791640 keep-prefix keeps relative pathing (#7394)
52fce5e53 fix(#7360): grpc used deprecated functions (#7361)
b7f13cd8e cpp_generator: comment out unused parameter to avoid warnings (#7381)
e42985e5a Updated Newtonsoft.Json to 13.0.1 (#7393)
0a8064637 Fix references to LICENSE file (#7377)
b9eea76a8 [Dart] Implement putBool to fix errors when serializing structs with bools (#7359)
1b9030015 Bump Newtonsoft.Json from 12.0.3 to 13.0.1 in /tests/FlatBuffers.Test (#7363)
83a43fc79 Reenable optional json (#7352)
5f0137602 Only include direct included filed (#7348)
9a1913a87 Revert "Implement optional scalars for JSON (#7322)" (#7351)
b4647beb8 Revert "Move reflection_ts_fbs into a separate directory (#7342)" (#7349)
d6060977a Remove asserting in verifier for flattests
987aa5b5e move -Wextra-semi to GCC 8.0+
42acdb63c [TS] Don't generate self-imports with --ts-flat-file (#7340)
0cc1aeb8c [golang] Create missing namespace directory structure (#7324) (#7325)
ba6c67170 [Kotlin] Remove download benchmark files dependency (#7314)
d2f33fc45 Disable Android on Linux CI build
0d1b72cbc [TS] fix ts import path issue (#7298)
9fce2fbf2 replace io/ioutil to os (#7281)
a18ea40d6 Implement optional scalars for JSON (#7322)
090caa280 Move reflection_ts_fbs into a separate directory (#7342)
49e1ea333 Implement optional scalars for Python (#7318)
11a198870 Started implementation for private flags in rust (#7269)
967df08b1 Adds full supposed for Wasm in the swift lib (#7328)
9aa08a429 Use keep case for Rust union discriminant type. (#7321)
9e8c758f5 Add explicit return types to lobster generated code (#7312)
74a25536b Add size check to fix out of bounds read risk (#7304)
12917af8a Update Rust docs page (#7296)
1ea2472f7 [swift] add had<ArrayName> property for arrays to check presence in a message (#7280)
0fe13cb28 Remove span ConstIterator/cbegin()/cend(). (#7295)
385dddc66 Namerkot (#7245)
750dde766 Make `flatc` generate Rust files not requiring `std` (#7273)
9917a168c [swift] Make swift module public (#7274)
76d3cca19 Rust: fix a name conflict when building with "no_std" feature (#7268)
c86e6d0e3 json inf parsing
d34dc32c2 fix include order
234d86c92 fixed off-by-one in parser
746c73b91 Add Annotations for Monster schema and example buffer
0bbfd4b2e fixes for annotator
716521953 Update readme.md (#7257)
a45f564cf [performance] Add aggressive systematic inlining in ByteBuffer and FlatBufferBuilder (#7253)
9d45a6403 more google merge fixes
ccfb4c20b Handle +/-inf in protos (#7256)
7bcd857b8 Specialize CreateVector with std::initializer_list (#7254)
23c8ab34c Swift update performance benchmark infrastructure (#7255)
70002dc5c various fixes for google merge
6e0e79f24 Add test for nested buffer verifier (#7252)
b856368d7 Turn off go modules temporary until we get a proper fix (#7251)
e37156a30 Keep the underlying storage capacity when clearing the FlatBufferBuilder. Gives a significant performance boost for serialisation of many small messages. (#7250)
a10b0e546 Java namer variable keep case (#7249)
275b73994 allow overriding FLATBUFFERS_MAX_ALIGNMENT
9d1ce9a10 Add parameter back to EndVector (#7246)
79afe6c3d Make Java namespaces keep case by default (#7243)
c6dbb2230 Add write permissions for labeller
18bacd3ea Expand test to make sure {}-initializers are properly understood by template. (#7242)
a2c913aec Add -Wnon-virtual-dtor
67b33b294 set workflows permissions to read-only (#7239)
7b5fd2bd0 [Kotlin] Fix key lookup returning null clashing with default value (#7237)
7181d7770 [Java] Fix key lookup returning null clashing with default value (#7236)
7f663b120 Allow CreateVectorOfStrings() to work with any string-type. (#7238)
173ebb694 Fixes a bug where the create function doesnt optional + required items (#7228)
d65823948 [Kotlin] Update gradle to 7.4.1 and simplify config files. (#7231)
ab4bf59e8 remove toascii (#7234)
eee44bbb2 disable cpp-linter (#7229)
a63fa51a1 Create cpp-linter.yml (#7208)
2049e5210 Adds a way to verify/exposes Entities ids (#7221)
832c618f5 Adds implementation flag for swift (#7202)
14615699f Started to migrate to target_compile_options (#7222)
20aad0c41 [C++] stl_emulation span::count_ is not const anymore (#7226) (#7227)
f083b33f2 code gen flexbuffer verifier (#7207)
bf17df346 [C++] generate sorted #include directives (#7213)
35281dedb Fix for [C++] flatc generates invalid Code in the default constructor for structs, when --cpp-field-case-style is used #7209 (#7211)
c9651b742 Add overloads for C# ByteBuffer/FlatBufferBuilder to allow adding vector blocks from ArraySegments or IntPtr (#7193)
26c3b3ada Update codeql.yml
da6e1b985 Update codeql.yml
ad27d751e Added Oss fuzz badge
0aab623cb Create codeql.yml
6a446bdd8 maximize parallel builds in CI (#7206)
21fb5cbbc Create scorecards.yml
0da6f9486 [C++] Static assert on Flatbuffers Version (#7203)
59e971308 reduce fuzzing time to 1 minute in CI
40866a892 fixed padding in struct for annotated binary (#7199)
b71d968fa Apply Namer prefix/suffix to other generators (#7197)
fac0d7be0 Apply Namer to Java. (#7194)
6c5603fd9 [C#] Fix collision of field name and type name (#7149)
2d21853a7 monster fuzzer fix for json default scalars
fec1a8d01 [swift] Add bazel configuration for Swift (#7195)
7fd857623 structured comments (#7192)
a4cb1599d Namerdart (#7187)
ae4ce7265 fuzzed binary annotator (#7188)
e2be0c0b0 Handle root offset and root table vtable invalidation (#7177)
2ad408697 [TS] Fix generation of struct members in object api (#7148)
4213d9105 VerifySizePrefixed (reflection::Schema) and GetAnySizePrefixedRoot added (#7181)
5a13f622c Correctly parse lists of enums in Dart generated code (#7157)
23a7e4e0b Adds no-includes flags to the swift code generator (#7182)
eeb49c275 Move flatbuffer_ts_library to typescript.bzl (#7183)
824763b31 Typo in flatc options (warning-as-errors instead of warnings-as-errors) (#7180)
d3aeee32b Annotated Flatbuffer Binary (#7174)
0bceba24d [Lua] Apply Namer to Lua (#7171)
b8c77d404 Make inclusion of header <optional> opt-out via macro (#7168)
8468eab83 Namersw (#7167)
2b2e8d4ae Nameroverloads (#7164)
b80b32bfa Use DESCRIPTION only if CMake version >= 3.9 (#7166)

Change-Id: Ic2681dabb1a798b7515e62753ee06aecb9933260
git-subtree-dir: third_party/flatbuffers
git-subtree-split: bc44fad35271e43fd7a79b4d691ac9e41708797f
Signed-off-by: Austin Schuh <austin.schuh@bluerivertech.com>
diff --git a/tests/reflection_test.cpp b/tests/reflection_test.cpp
new file mode 100644
index 0000000..b48bd81
--- /dev/null
+++ b/tests/reflection_test.cpp
@@ -0,0 +1,320 @@
+#include "reflection_test.h"
+#include "arrays_test_generated.h"
+#include "flatbuffers/minireflect.h"
+#include "flatbuffers/reflection.h"
+#include "flatbuffers/reflection_generated.h"
+#include "flatbuffers/verifier.h"
+#include "test_assert.h"
+#include "monster_test.h"
+#include "monster_test_generated.h"
+
+namespace flatbuffers {
+namespace tests {
+
+using namespace MyGame::Example;
+
+void ReflectionTest(const std::string& tests_data_path, uint8_t *flatbuf, size_t length) {
+  // Load a binary schema.
+  std::string bfbsfile;
+  TEST_EQ(flatbuffers::LoadFile((tests_data_path + "monster_test.bfbs").c_str(),
+                                true, &bfbsfile),
+          true);
+
+  // Verify it, just in case:
+  flatbuffers::Verifier verifier(
+      reinterpret_cast<const uint8_t *>(bfbsfile.c_str()), bfbsfile.length());
+  TEST_EQ(reflection::VerifySchemaBuffer(verifier), true);
+
+  // Make sure the schema is what we expect it to be.
+  auto &schema = *reflection::GetSchema(bfbsfile.c_str());
+  auto root_table = schema.root_table();
+
+  // Check the declaration files.
+  TEST_EQ_STR(root_table->name()->c_str(), "MyGame.Example.Monster");
+  TEST_EQ_STR(root_table->declaration_file()->c_str(), "//monster_test.fbs");
+  TEST_EQ_STR(
+      schema.objects()->LookupByKey("TableA")->declaration_file()->c_str(),
+      "//include_test/include_test1.fbs");
+  TEST_EQ_STR(schema.objects()
+                  ->LookupByKey("MyGame.OtherNameSpace.Unused")
+                  ->declaration_file()
+                  ->c_str(),
+              "//include_test/sub/include_test2.fbs");
+  TEST_EQ_STR(schema.enums()
+                  ->LookupByKey("MyGame.OtherNameSpace.FromInclude")
+                  ->declaration_file()
+                  ->c_str(),
+              "//include_test/sub/include_test2.fbs");
+
+  // Check scheam filenames and their includes.
+  TEST_EQ(schema.fbs_files()->size(), 3);
+
+  const auto fbs0 = schema.fbs_files()->Get(0);
+  TEST_EQ_STR(fbs0->filename()->c_str(), "//include_test/include_test1.fbs");
+  const auto fbs0_includes = fbs0->included_filenames();
+  TEST_EQ(fbs0_includes->size(), 2);
+
+  // TODO(caspern): Should we force or disallow inclusion of self?
+  TEST_EQ_STR(fbs0_includes->Get(0)->c_str(),
+              "//include_test/include_test1.fbs");
+  TEST_EQ_STR(fbs0_includes->Get(1)->c_str(),
+              "//include_test/sub/include_test2.fbs");
+
+  const auto fbs1 = schema.fbs_files()->Get(1);
+  TEST_EQ_STR(fbs1->filename()->c_str(),
+              "//include_test/sub/include_test2.fbs");
+  const auto fbs1_includes = fbs1->included_filenames();
+  TEST_EQ(fbs1_includes->size(), 2);
+  TEST_EQ_STR(fbs1_includes->Get(0)->c_str(),
+              "//include_test/include_test1.fbs");
+  TEST_EQ_STR(fbs1_includes->Get(1)->c_str(),
+              "//include_test/sub/include_test2.fbs");
+
+  const auto fbs2 = schema.fbs_files()->Get(2);
+  TEST_EQ_STR(fbs2->filename()->c_str(), "//monster_test.fbs");
+  const auto fbs2_includes = fbs2->included_filenames();
+  TEST_EQ(fbs2_includes->size(), 1);
+  TEST_EQ_STR(fbs2_includes->Get(0)->c_str(),
+              "//include_test/include_test1.fbs");
+
+  // Check Root table fields
+  auto fields = root_table->fields();
+  auto hp_field_ptr = fields->LookupByKey("hp");
+  TEST_NOTNULL(hp_field_ptr);
+  auto &hp_field = *hp_field_ptr;
+  TEST_EQ_STR(hp_field.name()->c_str(), "hp");
+  TEST_EQ(hp_field.id(), 2);
+  TEST_EQ(hp_field.type()->base_type(), reflection::Short);
+
+  auto friendly_field_ptr = fields->LookupByKey("friendly");
+  TEST_NOTNULL(friendly_field_ptr);
+  TEST_NOTNULL(friendly_field_ptr->attributes());
+  TEST_NOTNULL(friendly_field_ptr->attributes()->LookupByKey("priority"));
+
+  // Make sure the table index is what we expect it to be.
+  auto pos_field_ptr = fields->LookupByKey("pos");
+  TEST_NOTNULL(pos_field_ptr);
+  TEST_EQ(pos_field_ptr->type()->base_type(), reflection::Obj);
+  auto pos_table_ptr = schema.objects()->Get(pos_field_ptr->type()->index());
+  TEST_NOTNULL(pos_table_ptr);
+  TEST_EQ_STR(pos_table_ptr->name()->c_str(), "MyGame.Example.Vec3");
+
+  // Test nullability of fields: hp is a 0-default scalar, pos is a struct =>
+  // optional, and name is a required string => not optional.
+  TEST_EQ(hp_field.optional(), false);
+  TEST_EQ(pos_field_ptr->optional(), true);
+  TEST_EQ(fields->LookupByKey("name")->optional(), false);
+
+  // Now use it to dynamically access a buffer.
+  auto &root = *flatbuffers::GetAnyRoot(flatbuf);
+
+  // Verify the buffer first using reflection based verification
+  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(), flatbuf, length),
+          true);
+
+  auto hp = flatbuffers::GetFieldI<uint16_t>(root, hp_field);
+  TEST_EQ(hp, 80);
+
+  // Rather than needing to know the type, we can also get the value of
+  // any field as an int64_t/double/string, regardless of what it actually is.
+  auto hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
+  TEST_EQ(hp_int64, 80);
+  auto hp_double = flatbuffers::GetAnyFieldF(root, hp_field);
+  TEST_EQ(hp_double, 80.0);
+  auto hp_string = flatbuffers::GetAnyFieldS(root, hp_field, &schema);
+  TEST_EQ_STR(hp_string.c_str(), "80");
+
+  // Get struct field through reflection
+  auto pos_struct = flatbuffers::GetFieldStruct(root, *pos_field_ptr);
+  TEST_NOTNULL(pos_struct);
+  TEST_EQ(flatbuffers::GetAnyFieldF(*pos_struct,
+                                    *pos_table_ptr->fields()->LookupByKey("z")),
+          3.0f);
+
+  auto test3_field = pos_table_ptr->fields()->LookupByKey("test3");
+  auto test3_struct = flatbuffers::GetFieldStruct(*pos_struct, *test3_field);
+  TEST_NOTNULL(test3_struct);
+  auto test3_object = schema.objects()->Get(test3_field->type()->index());
+
+  TEST_EQ(flatbuffers::GetAnyFieldF(*test3_struct,
+                                    *test3_object->fields()->LookupByKey("a")),
+          10);
+
+  // We can also modify it.
+  flatbuffers::SetField<uint16_t>(&root, hp_field, 200);
+  hp = flatbuffers::GetFieldI<uint16_t>(root, hp_field);
+  TEST_EQ(hp, 200);
+
+  // We can also set fields generically:
+  flatbuffers::SetAnyFieldI(&root, hp_field, 300);
+  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
+  TEST_EQ(hp_int64, 300);
+  flatbuffers::SetAnyFieldF(&root, hp_field, 300.5);
+  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
+  TEST_EQ(hp_int64, 300);
+  flatbuffers::SetAnyFieldS(&root, hp_field, "300");
+  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
+  TEST_EQ(hp_int64, 300);
+
+  // Test buffer is valid after the modifications
+  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(), flatbuf, length),
+          true);
+
+  // Reset it, for further tests.
+  flatbuffers::SetField<uint16_t>(&root, hp_field, 80);
+
+  // More advanced functionality: changing the size of items in-line!
+  // First we put the FlatBuffer inside an std::vector.
+  std::vector<uint8_t> resizingbuf(flatbuf, flatbuf + length);
+  // Find the field we want to modify.
+  auto &name_field = *fields->LookupByKey("name");
+  // Get the root.
+  // This time we wrap the result from GetAnyRoot in a smartpointer that
+  // will keep rroot valid as resizingbuf resizes.
+  auto rroot = flatbuffers::piv(flatbuffers::GetAnyRoot(resizingbuf.data()),
+                                resizingbuf);
+  SetString(schema, "totally new string", GetFieldS(**rroot, name_field),
+            &resizingbuf);
+  // Here resizingbuf has changed, but rroot is still valid.
+  TEST_EQ_STR(GetFieldS(**rroot, name_field)->c_str(), "totally new string");
+  // Now lets extend a vector by 100 elements (10 -> 110).
+  auto &inventory_field = *fields->LookupByKey("inventory");
+  auto rinventory = flatbuffers::piv(
+      flatbuffers::GetFieldV<uint8_t>(**rroot, inventory_field), resizingbuf);
+  flatbuffers::ResizeVector<uint8_t>(schema, 110, 50, *rinventory,
+                                     &resizingbuf);
+  // rinventory still valid, so lets read from it.
+  TEST_EQ(rinventory->Get(10), 50);
+
+  // For reflection uses not covered already, there is a more powerful way:
+  // we can simply generate whatever object we want to add/modify in a
+  // FlatBuffer of its own, then add that to an existing FlatBuffer:
+  // As an example, let's add a string to an array of strings.
+  // First, find our field:
+  auto &testarrayofstring_field = *fields->LookupByKey("testarrayofstring");
+  // Find the vector value:
+  auto rtestarrayofstring = flatbuffers::piv(
+      flatbuffers::GetFieldV<flatbuffers::Offset<flatbuffers::String>>(
+          **rroot, testarrayofstring_field),
+      resizingbuf);
+  // It's a vector of 2 strings, to which we add one more, initialized to
+  // offset 0.
+  flatbuffers::ResizeVector<flatbuffers::Offset<flatbuffers::String>>(
+      schema, 3, 0, *rtestarrayofstring, &resizingbuf);
+  // Here we just create a buffer that contans a single string, but this
+  // could also be any complex set of tables and other values.
+  flatbuffers::FlatBufferBuilder stringfbb;
+  stringfbb.Finish(stringfbb.CreateString("hank"));
+  // Add the contents of it to our existing FlatBuffer.
+  // We do this last, so the pointer doesn't get invalidated (since it is
+  // at the end of the buffer):
+  auto string_ptr = flatbuffers::AddFlatBuffer(
+      resizingbuf, stringfbb.GetBufferPointer(), stringfbb.GetSize());
+  // Finally, set the new value in the vector.
+  rtestarrayofstring->MutateOffset(2, string_ptr);
+  TEST_EQ_STR(rtestarrayofstring->Get(0)->c_str(), "bob");
+  TEST_EQ_STR(rtestarrayofstring->Get(2)->c_str(), "hank");
+  // Test integrity of all resize operations above.
+  flatbuffers::Verifier resize_verifier(
+      reinterpret_cast<const uint8_t *>(resizingbuf.data()),
+      resizingbuf.size());
+  TEST_EQ(VerifyMonsterBuffer(resize_verifier), true);
+
+  // Test buffer is valid using reflection as well
+  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(), resizingbuf.data(),
+                              resizingbuf.size()),
+          true);
+
+  // As an additional test, also set it on the name field.
+  // Note: unlike the name change above, this just overwrites the offset,
+  // rather than changing the string in-place.
+  SetFieldT(*rroot, name_field, string_ptr);
+  TEST_EQ_STR(GetFieldS(**rroot, name_field)->c_str(), "hank");
+
+  // Using reflection, rather than mutating binary FlatBuffers, we can also copy
+  // tables and other things out of other FlatBuffers into a FlatBufferBuilder,
+  // either part or whole.
+  flatbuffers::FlatBufferBuilder fbb;
+  auto root_offset = flatbuffers::CopyTable(
+      fbb, schema, *root_table, *flatbuffers::GetAnyRoot(flatbuf), true);
+  fbb.Finish(root_offset, MonsterIdentifier());
+  // Test that it was copied correctly:
+  AccessFlatBufferTest(fbb.GetBufferPointer(), fbb.GetSize());
+
+  // Test buffer is valid using reflection as well
+  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(),
+                              fbb.GetBufferPointer(), fbb.GetSize()),
+          true);
+}
+
+void MiniReflectFlatBuffersTest(uint8_t *flatbuf) {
+  auto s =
+      flatbuffers::FlatBufferToString(flatbuf, Monster::MiniReflectTypeTable());
+  TEST_EQ_STR(
+      s.c_str(),
+      "{ "
+      "pos: { x: 1.0, y: 2.0, z: 3.0, test1: 0.0, test2: Red, test3: "
+      "{ a: 10, b: 20 } }, "
+      "hp: 80, "
+      "name: \"MyMonster\", "
+      "inventory: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ], "
+      "test_type: Monster, "
+      "test: { name: \"Fred\" }, "
+      "test4: [ { a: 10, b: 20 }, { a: 30, b: 40 } ], "
+      "testarrayofstring: [ \"bob\", \"fred\", \"bob\", \"fred\" ], "
+      "testarrayoftables: [ { hp: 1000, name: \"Barney\" }, { name: \"Fred\" "
+      "}, "
+      "{ name: \"Wilma\" } ], "
+      // TODO(wvo): should really print this nested buffer correctly.
+      "testnestedflatbuffer: [ 20, 0, 0, 0, 77, 79, 78, 83, 12, 0, 12, 0, 0, "
+      "0, "
+      "4, 0, 6, 0, 8, 0, 12, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 13, 0, 0, 0, 78, "
+      "101, 115, 116, 101, 100, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0 ], "
+      "testarrayofstring2: [ \"jane\", \"mary\" ], "
+      "testarrayofsortedstruct: [ { id: 0, distance: 0 }, "
+      "{ id: 2, distance: 20 }, { id: 3, distance: 30 }, "
+      "{ id: 4, distance: 40 } ], "
+      "flex: [ 210, 4, 5, 2 ], "
+      "test5: [ { a: 10, b: 20 }, { a: 30, b: 40 } ], "
+      "vector_of_enums: [ Blue, Green ], "
+      "scalar_key_sorted_tables: [ { id: \"miss\" } ] "
+      "}");
+
+  Test test(16, 32);
+  Vec3 vec(1, 2, 3, 1.5, Color_Red, test);
+  flatbuffers::FlatBufferBuilder vec_builder;
+  vec_builder.Finish(vec_builder.CreateStruct(vec));
+  auto vec_buffer = vec_builder.Release();
+  auto vec_str = flatbuffers::FlatBufferToString(vec_buffer.data(),
+                                                 Vec3::MiniReflectTypeTable());
+  TEST_EQ_STR(vec_str.c_str(),
+              "{ x: 1.0, y: 2.0, z: 3.0, test1: 1.5, test2: Red, test3: { a: "
+              "16, b: 32 } }");
+}
+
+void MiniReflectFixedLengthArrayTest() {
+  // VS10 does not support typed enums, exclude from tests
+#if !defined(_MSC_VER) || _MSC_VER >= 1700
+  flatbuffers::FlatBufferBuilder fbb;
+  MyGame::Example::ArrayStruct aStruct(2, 12, 1);
+  auto aTable = MyGame::Example::CreateArrayTable(fbb, &aStruct);
+  fbb.Finish(aTable);
+
+  auto flatbuf = fbb.Release();
+  auto s = flatbuffers::FlatBufferToString(
+      flatbuf.data(), MyGame::Example::ArrayTableTypeTable());
+  TEST_EQ_STR(
+      "{ "
+      "a: { a: 2.0, "
+      "b: [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], "
+      "c: 12, "
+      "d: [ { a: [ 0, 0 ], b: A, c: [ A, A ], d: [ 0, 0 ] }, "
+      "{ a: [ 0, 0 ], b: A, c: [ A, A ], d: [ 0, 0 ] } ], "
+      "e: 1, f: [ 0, 0 ] } "
+      "}",
+      s.c_str());
+#endif
+}
+
+}  // namespace tests
+}  // namespace flatbuffers
\ No newline at end of file