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Test case for CreateVectorOfStructs() using a callback.

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Fixes issue #4392, also fixed C++98 compatible code generation in tests.

Change-Id: Ia5833026e615ad19d24a0439bdba2e3b45c5f86c
This commit is contained in:
Stewart Miles
2017-07-24 14:11:59 -07:00
parent d6f14b704f
commit f064a6cc60
21 changed files with 284 additions and 43 deletions
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43
tests/test.cpp
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@@ -103,6 +103,21 @@ flatbuffers::DetachedBuffer CreateFlatBufferTest(std::string &buffer) {
Test tests[] = { Test(10, 20), Test(30, 40) };
auto testv = builder.CreateVectorOfStructs(tests, 2);
#ifndef FLATBUFFERS_CPP98_STL
// Create a vector of structures from a lambda.
auto testv2 = builder.CreateVectorOfStructs<Test>(
2, [&](size_t i, Test* s) -> void {
*s = tests[i];
});
#else
// Create a vector of structures using a plain old C++ function.
auto testv2 = builder.CreateVectorOfStructs<Test>(
2, [](size_t i, Test* s, void *state) -> void {
*s = (reinterpret_cast<Test*>(state))[i];
}, tests);
#endif // FLATBUFFERS_CPP98_STL
// create monster with very few fields set:
// (same functionality as CreateMonster below, but sets fields manually)
flatbuffers::Offset<Monster> mlocs[3];
@@ -181,7 +196,7 @@ flatbuffers::DetachedBuffer CreateFlatBufferTest(std::string &buffer) {
testv, vecofstrings, vecoftables, 0,
nested_flatbuffer_vector, 0, false,
0, 0, 0, 0, 0, 0, 0, 0, 0, 3.14159f, 3.0f, 0.0f,
vecofstrings2, vecofstructs, flex);
vecofstrings2, vecofstructs, flex, testv2);
FinishMonsterBuffer(builder, mloc);
@@ -323,16 +338,22 @@ void AccessFlatBufferTest(const uint8_t *flatbuf, size_t length,
TEST_EQ(flatbuffers::AlignOf<Test>(), 2UL);
TEST_EQ(sizeof(Test), 4UL);
auto tests = monster->test4();
TEST_NOTNULL(tests);
auto test_0 = tests->Get(0);
auto test_1 = tests->Get(1);
TEST_EQ(test_0->a(), 10);
TEST_EQ(test_0->b(), 20);
TEST_EQ(test_1->a(), 30);
TEST_EQ(test_1->b(), 40);
for (auto it = tests->begin(); it != tests->end(); ++it) {
TEST_EQ(it->a() == 10 || it->a() == 30, true); // Just testing iterators.
const flatbuffers::Vector<const Test *>* tests_array[] = {
monster->test4(),
monster->test5(),
};
for (size_t i = 0; i < sizeof(tests_array) / sizeof(tests_array[0]); ++i) {
auto tests = tests_array[i];
TEST_NOTNULL(tests);
auto test_0 = tests->Get(0);
auto test_1 = tests->Get(1);
TEST_EQ(test_0->a(), 10);
TEST_EQ(test_0->b(), 20);
TEST_EQ(test_1->a(), 30);
TEST_EQ(test_1->b(), 40);
for (auto it = tests->begin(); it != tests->end(); ++it) {
TEST_EQ(it->a() == 10 || it->a() == 30, true); // Just testing iterators.
}
}
// Checking for presence of fields: