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Fix confrom failure for nullptr dereference. (#7688)

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This commit is contained in:
Derek Bailey
2022-12-01 20:21:48 -08:00
committed by GitHub
parent 3b2ced0131
commit 2eaf790638
3 changed files with 37 additions and 18 deletions
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39
tests/evolution_test.cpp
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@@ -80,26 +80,37 @@ void EvolutionTest(const std::string &tests_data_path) {
#endif
}
void ConformTest() {
flatbuffers::Parser parser;
TEST_EQ(parser.Parse("table T { A:int; } enum E:byte { A }"), true);
auto test_conform = [](flatbuffers::Parser &parser1, const char *test,
void ConformTest() {
const char ref[] = "table T { A:int; } enum E:byte { A }";
auto test_conform = [](const char *ref, const char *test,
const char *expected_err) {
flatbuffers::Parser parser1;
TEST_EQ(parser1.Parse(ref), true);
flatbuffers::Parser parser2;
TEST_EQ(parser2.Parse(test), true);
auto err = parser2.ConformTo(parser1);
TEST_NOTNULL(strstr(err.c_str(), expected_err));
if (*expected_err == '\0') {
TEST_EQ_STR(err.c_str(), expected_err);
} else {
TEST_NOTNULL(strstr(err.c_str(), expected_err));
}
};
test_conform(parser, "table T { A:byte; }", "types differ for field");
test_conform(parser, "table T { B:int; A:int; }", "offsets differ for field");
test_conform(parser, "table T { A:int = 1; }", "defaults differ for field");
test_conform(parser, "table T { B:float; }",
"field renamed to different type");
test_conform(parser, "enum E:byte { B, A }", "values differ for enum");
test_conform(parser, "table T { }", "field deleted");
test_conform(parser, "table T { B:int; }", ""); //renaming a field is allowed
test_conform(ref, "table T { A:byte; }", "types differ for field: T.A");
test_conform(ref, "table T { B:int; A:int; }",
"offsets differ for field: T.A");
test_conform(ref, "table T { A:int = 1; }", "defaults differ for field: T.A");
test_conform(ref, "table T { B:float; }",
"field renamed to different type: T.B (renamed from T.A)");
test_conform(ref, "enum E:byte { B, A }", "values differ for enum: A");
test_conform(ref, "table T { }", "field deleted: T.A");
test_conform(ref, "table T { B:int; }", ""); // renaming a field is allowed
const char ref2[] = "enum E:byte { A } table T2 { f:E; } ";
test_conform(ref2, "enum E:int32 { A } table T2 { df:byte; f:E; }",
"field renamed to different type: T2.df (renamed from T2.f)");
}
void UnionDeprecationTest(const std::string& tests_data_path) {
@@ -138,4 +149,4 @@ void UnionDeprecationTest(const std::string& tests_data_path) {
}
} // namespace tests
} // namespace flatbuffers
} // namespace flatbuffers