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[Go] Object API support (#5339)

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* start

* works for current usages!

* unpack: vector of struct

* optimize byte slice

* support nested struct

* support null table

* support struct

* support union

* update generated code

* grumble

* fix compiler warning

* update generated code

* wrap type in namespace

* bug

* wrap in namespace

* enum byte arrays

* generate struct for unions

* basic testing

* remove branching

* fix assert

* pack vector of fixed structs correctly

* omit null vectors

* Refactor Union Pack and UnPack methods

Remove append usage to increase code efficiency when dealing with large vectors

* generate goldens
This commit is contained in:
iceboy
2019-10-31 11:13:45 -07:00
committed by Wouter van Oortmerssen
parent 521e255ad9
commit 32254b7acd
16 changed files with 1160 additions and 9 deletions
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22
tests/go_test.go
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@@ -90,6 +90,7 @@ func TestAll(t *testing.T) {
// generated Go code:
CheckReadBuffer(generated, off, t.Fatalf)
CheckMutateBuffer(generated, off, t.Fatalf)
CheckObjectAPI(generated, off, t.Fatalf)
// Verify that the buffer generated by C++ code is readable by the
// generated Go code:
@@ -99,6 +100,7 @@ func TestAll(t *testing.T) {
}
CheckReadBuffer(monsterDataCpp, 0, t.Fatalf)
CheckMutateBuffer(monsterDataCpp, 0, t.Fatalf)
CheckObjectAPI(monsterDataCpp, 0, t.Fatalf)
// Verify that vtables are deduplicated when written:
CheckVtableDeduplication(t.Fatalf)
@@ -448,6 +450,26 @@ func CheckMutateBuffer(org []byte, offset flatbuffers.UOffsetT, fail func(string
}
}
func CheckObjectAPI(buf []byte, offset flatbuffers.UOffsetT, fail func(string, ...interface{})) {
monster := example.GetRootAsMonster(buf, offset).UnPack()
if got := monster.Hp; 80 != got {
fail(FailString("hp", 80, got))
}
// default
if got := monster.Mana; 150 != got {
fail(FailString("mana", 150, got))
}
builder := flatbuffers.NewBuilder(0)
builder.Finish(example.MonsterPack(builder, monster))
monster2 := example.GetRootAsMonster(builder.FinishedBytes(), 0).UnPack()
if !reflect.DeepEqual(monster, monster2) {
fail(FailString("Pack/Unpack()", monster, monster2))
}
}
// Low level stress/fuzz test: serialize/deserialize a variety of
// different kinds of data in different combinations
func checkFuzz(fuzzFields, fuzzObjects int, fail func(string, ...interface{})) {