530 lines
17 KiB
Go
530 lines
17 KiB
Go
// Copyright (C) MongoDB, Inc. 2017-present.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package bsonrw
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import (
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"bytes"
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"errors"
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"fmt"
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"testing"
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"go.mongodb.org/mongo-driver/bson/bsontype"
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"go.mongodb.org/mongo-driver/bson/primitive"
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"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
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)
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func TestCopier(t *testing.T) {
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t.Run("CopyDocument", func(t *testing.T) {
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t.Run("ReadDocument Error", func(t *testing.T) {
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want := errors.New("ReadDocumentError")
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src := &TestValueReaderWriter{t: t, err: want, errAfter: llvrwReadDocument}
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got := Copier{}.CopyDocument(nil, src)
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if !compareErrors(got, want) {
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t.Errorf("Did not receive correct error. got %v; want %v", got, want)
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}
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})
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t.Run("WriteDocument Error", func(t *testing.T) {
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want := errors.New("WriteDocumentError")
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src := &TestValueReaderWriter{}
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dst := &TestValueReaderWriter{t: t, err: want, errAfter: llvrwWriteDocument}
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got := Copier{}.CopyDocument(dst, src)
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if !compareErrors(got, want) {
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t.Errorf("Did not receive correct error. got %v; want %v", got, want)
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}
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})
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t.Run("success", func(t *testing.T) {
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idx, doc := bsoncore.AppendDocumentStart(nil)
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doc = bsoncore.AppendStringElement(doc, "Hello", "world")
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doc, err := bsoncore.AppendDocumentEnd(doc, idx)
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noerr(t, err)
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src := newValueReader(doc)
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dst := newValueWriterFromSlice(make([]byte, 0))
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want := doc
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err = Copier{}.CopyDocument(dst, src)
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noerr(t, err)
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got := dst.buf
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if !bytes.Equal(got, want) {
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t.Errorf("Bytes are not equal. got %v; want %v", got, want)
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}
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})
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})
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t.Run("copyArray", func(t *testing.T) {
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t.Run("ReadArray Error", func(t *testing.T) {
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want := errors.New("ReadArrayError")
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src := &TestValueReaderWriter{t: t, err: want, errAfter: llvrwReadArray}
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got := Copier{}.copyArray(nil, src)
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if !compareErrors(got, want) {
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t.Errorf("Did not receive correct error. got %v; want %v", got, want)
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}
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})
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t.Run("WriteArray Error", func(t *testing.T) {
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want := errors.New("WriteArrayError")
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src := &TestValueReaderWriter{}
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dst := &TestValueReaderWriter{t: t, err: want, errAfter: llvrwWriteArray}
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got := Copier{}.copyArray(dst, src)
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if !compareErrors(got, want) {
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t.Errorf("Did not receive correct error. got %v; want %v", got, want)
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}
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})
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t.Run("success", func(t *testing.T) {
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idx, doc := bsoncore.AppendDocumentStart(nil)
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aidx, doc := bsoncore.AppendArrayElementStart(doc, "foo")
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doc = bsoncore.AppendStringElement(doc, "0", "Hello, world!")
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doc, err := bsoncore.AppendArrayEnd(doc, aidx)
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noerr(t, err)
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doc, err = bsoncore.AppendDocumentEnd(doc, idx)
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noerr(t, err)
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src := newValueReader(doc)
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_, err = src.ReadDocument()
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noerr(t, err)
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_, _, err = src.ReadElement()
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noerr(t, err)
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dst := newValueWriterFromSlice(make([]byte, 0))
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_, err = dst.WriteDocument()
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noerr(t, err)
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_, err = dst.WriteDocumentElement("foo")
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noerr(t, err)
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want := doc
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err = Copier{}.copyArray(dst, src)
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noerr(t, err)
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err = dst.WriteDocumentEnd()
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noerr(t, err)
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got := dst.buf
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if !bytes.Equal(got, want) {
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t.Errorf("Bytes are not equal. got %v; want %v", got, want)
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}
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})
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})
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t.Run("CopyValue", func(t *testing.T) {
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testCases := []struct {
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name string
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dst *TestValueReaderWriter
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src *TestValueReaderWriter
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err error
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}{
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{
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"Double/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Double, err: errors.New("1"), errAfter: llvrwReadDouble},
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errors.New("1"),
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},
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{
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"Double/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Double, err: errors.New("2"), errAfter: llvrwWriteDouble},
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&TestValueReaderWriter{bsontype: bsontype.Double, readval: float64(3.14159)},
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errors.New("2"),
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},
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{
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"String/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.String, err: errors.New("1"), errAfter: llvrwReadString},
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errors.New("1"),
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},
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{
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"String/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.String, err: errors.New("2"), errAfter: llvrwWriteString},
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&TestValueReaderWriter{bsontype: bsontype.String, readval: "hello, world"},
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errors.New("2"),
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},
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{
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"Document/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.EmbeddedDocument, err: errors.New("1"), errAfter: llvrwReadDocument},
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errors.New("1"),
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},
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{
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"Array/dst/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Array, err: errors.New("2"), errAfter: llvrwReadArray},
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errors.New("2"),
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},
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{
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"Binary/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Binary, err: errors.New("1"), errAfter: llvrwReadBinary},
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errors.New("1"),
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},
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{
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"Binary/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Binary, err: errors.New("2"), errAfter: llvrwWriteBinaryWithSubtype},
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&TestValueReaderWriter{
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bsontype: bsontype.Binary,
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readval: bsoncore.Value{
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Type: bsontype.Binary,
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Data: []byte{0x03, 0x00, 0x00, 0x00, 0xFF, 0x01, 0x02, 0x03},
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},
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},
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errors.New("2"),
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},
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{
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"Undefined/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Undefined, err: errors.New("1"), errAfter: llvrwReadUndefined},
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errors.New("1"),
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},
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{
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"Undefined/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Undefined, err: errors.New("2"), errAfter: llvrwWriteUndefined},
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&TestValueReaderWriter{bsontype: bsontype.Undefined},
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errors.New("2"),
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},
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{
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"ObjectID/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.ObjectID, err: errors.New("1"), errAfter: llvrwReadObjectID},
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errors.New("1"),
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},
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{
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"ObjectID/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.ObjectID, err: errors.New("2"), errAfter: llvrwWriteObjectID},
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&TestValueReaderWriter{bsontype: bsontype.ObjectID, readval: primitive.ObjectID{0x01, 0x02, 0x03}},
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errors.New("2"),
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},
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{
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"Boolean/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Boolean, err: errors.New("1"), errAfter: llvrwReadBoolean},
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errors.New("1"),
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},
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{
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"Boolean/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Boolean, err: errors.New("2"), errAfter: llvrwWriteBoolean},
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&TestValueReaderWriter{bsontype: bsontype.Boolean, readval: bool(true)},
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errors.New("2"),
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},
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{
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"DateTime/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.DateTime, err: errors.New("1"), errAfter: llvrwReadDateTime},
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errors.New("1"),
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},
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{
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"DateTime/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.DateTime, err: errors.New("2"), errAfter: llvrwWriteDateTime},
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&TestValueReaderWriter{bsontype: bsontype.DateTime, readval: int64(1234567890)},
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errors.New("2"),
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},
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{
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"Null/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Null, err: errors.New("1"), errAfter: llvrwReadNull},
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errors.New("1"),
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},
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{
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"Null/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Null, err: errors.New("2"), errAfter: llvrwWriteNull},
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&TestValueReaderWriter{bsontype: bsontype.Null},
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errors.New("2"),
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},
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{
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"Regex/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Regex, err: errors.New("1"), errAfter: llvrwReadRegex},
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errors.New("1"),
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},
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{
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"Regex/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Regex, err: errors.New("2"), errAfter: llvrwWriteRegex},
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&TestValueReaderWriter{
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bsontype: bsontype.Regex,
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readval: bsoncore.Value{
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Type: bsontype.Regex,
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Data: bsoncore.AppendRegex(nil, "hello", "world"),
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},
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},
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errors.New("2"),
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},
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{
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"DBPointer/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.DBPointer, err: errors.New("1"), errAfter: llvrwReadDBPointer},
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errors.New("1"),
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},
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{
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"DBPointer/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.DBPointer, err: errors.New("2"), errAfter: llvrwWriteDBPointer},
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&TestValueReaderWriter{
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bsontype: bsontype.DBPointer,
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readval: bsoncore.Value{
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Type: bsontype.DBPointer,
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Data: bsoncore.AppendDBPointer(nil, "foo", primitive.ObjectID{0x01, 0x02, 0x03}),
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},
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},
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errors.New("2"),
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},
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{
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"Javascript/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.JavaScript, err: errors.New("1"), errAfter: llvrwReadJavascript},
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errors.New("1"),
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},
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{
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"Javascript/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.JavaScript, err: errors.New("2"), errAfter: llvrwWriteJavascript},
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&TestValueReaderWriter{bsontype: bsontype.JavaScript, readval: "hello, world"},
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errors.New("2"),
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},
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{
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"Symbol/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Symbol, err: errors.New("1"), errAfter: llvrwReadSymbol},
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errors.New("1"),
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},
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{
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"Symbol/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Symbol, err: errors.New("2"), errAfter: llvrwWriteSymbol},
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&TestValueReaderWriter{
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bsontype: bsontype.Symbol,
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readval: bsoncore.Value{
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Type: bsontype.Symbol,
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Data: bsoncore.AppendSymbol(nil, "hello, world"),
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},
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},
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errors.New("2"),
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},
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{
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"CodeWithScope/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.CodeWithScope, err: errors.New("1"), errAfter: llvrwReadCodeWithScope},
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errors.New("1"),
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},
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{
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"CodeWithScope/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.CodeWithScope, err: errors.New("2"), errAfter: llvrwWriteCodeWithScope},
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&TestValueReaderWriter{bsontype: bsontype.CodeWithScope},
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errors.New("2"),
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},
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{
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"CodeWithScope/dst/copyDocumentCore error",
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&TestValueReaderWriter{err: errors.New("3"), errAfter: llvrwWriteDocumentElement},
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&TestValueReaderWriter{bsontype: bsontype.CodeWithScope},
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errors.New("3"),
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},
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{
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"Int32/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Int32, err: errors.New("1"), errAfter: llvrwReadInt32},
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errors.New("1"),
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},
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{
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"Int32/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Int32, err: errors.New("2"), errAfter: llvrwWriteInt32},
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&TestValueReaderWriter{bsontype: bsontype.Int32, readval: int32(12345)},
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errors.New("2"),
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},
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{
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"Timestamp/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Timestamp, err: errors.New("1"), errAfter: llvrwReadTimestamp},
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errors.New("1"),
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},
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{
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"Timestamp/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Timestamp, err: errors.New("2"), errAfter: llvrwWriteTimestamp},
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&TestValueReaderWriter{
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bsontype: bsontype.Timestamp,
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readval: bsoncore.Value{
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Type: bsontype.Timestamp,
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Data: bsoncore.AppendTimestamp(nil, 12345, 67890),
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},
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},
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errors.New("2"),
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},
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{
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"Int64/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Int64, err: errors.New("1"), errAfter: llvrwReadInt64},
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errors.New("1"),
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},
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{
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"Int64/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Int64, err: errors.New("2"), errAfter: llvrwWriteInt64},
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&TestValueReaderWriter{bsontype: bsontype.Int64, readval: int64(1234567890)},
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errors.New("2"),
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},
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{
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"Decimal128/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.Decimal128, err: errors.New("1"), errAfter: llvrwReadDecimal128},
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errors.New("1"),
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},
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{
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"Decimal128/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.Decimal128, err: errors.New("2"), errAfter: llvrwWriteDecimal128},
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&TestValueReaderWriter{bsontype: bsontype.Decimal128, readval: primitive.NewDecimal128(12345, 67890)},
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errors.New("2"),
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},
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{
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"MinKey/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.MinKey, err: errors.New("1"), errAfter: llvrwReadMinKey},
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errors.New("1"),
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},
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{
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"MinKey/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.MinKey, err: errors.New("2"), errAfter: llvrwWriteMinKey},
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&TestValueReaderWriter{bsontype: bsontype.MinKey},
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errors.New("2"),
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},
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{
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"MaxKey/src/error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{bsontype: bsontype.MaxKey, err: errors.New("1"), errAfter: llvrwReadMaxKey},
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errors.New("1"),
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},
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{
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"MaxKey/dst/error",
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&TestValueReaderWriter{bsontype: bsontype.MaxKey, err: errors.New("2"), errAfter: llvrwWriteMaxKey},
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&TestValueReaderWriter{bsontype: bsontype.MaxKey},
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errors.New("2"),
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},
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{
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"Unknown BSON type error",
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&TestValueReaderWriter{},
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&TestValueReaderWriter{},
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fmt.Errorf("Cannot copy unknown BSON type %s", bsontype.Type(0)),
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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tc.dst.t, tc.src.t = t, t
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err := Copier{}.CopyValue(tc.dst, tc.src)
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if !compareErrors(err, tc.err) {
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t.Errorf("Did not receive expected error. got %v; want %v", err, tc.err)
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}
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})
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}
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})
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t.Run("CopyValueFromBytes", func(t *testing.T) {
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t.Run("BytesWriter", func(t *testing.T) {
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vw := newValueWriterFromSlice(make([]byte, 0))
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_, err := vw.WriteDocument()
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noerr(t, err)
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_, err = vw.WriteDocumentElement("foo")
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noerr(t, err)
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err = Copier{}.CopyValueFromBytes(vw, bsontype.String, bsoncore.AppendString(nil, "bar"))
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noerr(t, err)
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err = vw.WriteDocumentEnd()
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noerr(t, err)
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var idx int32
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want, err := bsoncore.AppendDocumentEnd(
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bsoncore.AppendStringElement(
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bsoncore.AppendDocumentStartInline(nil, &idx),
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"foo", "bar",
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),
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idx,
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)
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noerr(t, err)
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got := vw.buf
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if !bytes.Equal(got, want) {
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t.Errorf("Bytes are not equal. got %v; want %v", got, want)
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}
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})
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t.Run("Non BytesWriter", func(t *testing.T) {
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llvrw := &TestValueReaderWriter{t: t}
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err := Copier{}.CopyValueFromBytes(llvrw, bsontype.String, bsoncore.AppendString(nil, "bar"))
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noerr(t, err)
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got, want := llvrw.invoked, llvrwWriteString
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if got != want {
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t.Errorf("Incorrect method invoked on llvrw. got %v; want %v", got, want)
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}
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})
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})
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t.Run("CopyValueToBytes", func(t *testing.T) {
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t.Run("BytesReader", func(t *testing.T) {
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var idx int32
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b, err := bsoncore.AppendDocumentEnd(
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bsoncore.AppendStringElement(
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bsoncore.AppendDocumentStartInline(nil, &idx),
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"hello", "world",
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),
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idx,
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)
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noerr(t, err)
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vr := newValueReader(b)
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_, err = vr.ReadDocument()
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noerr(t, err)
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_, _, err = vr.ReadElement()
|
|
noerr(t, err)
|
|
btype, got, err := Copier{}.CopyValueToBytes(vr)
|
|
noerr(t, err)
|
|
want := bsoncore.AppendString(nil, "world")
|
|
if btype != bsontype.String {
|
|
t.Errorf("Incorrect type returned. got %v; want %v", btype, bsontype.String)
|
|
}
|
|
if !bytes.Equal(got, want) {
|
|
t.Errorf("Bytes do not match. got %v; want %v", got, want)
|
|
}
|
|
})
|
|
t.Run("Non BytesReader", func(t *testing.T) {
|
|
llvrw := &TestValueReaderWriter{t: t, bsontype: bsontype.String, readval: "Hello, world!"}
|
|
btype, got, err := Copier{}.CopyValueToBytes(llvrw)
|
|
noerr(t, err)
|
|
want := bsoncore.AppendString(nil, "Hello, world!")
|
|
if btype != bsontype.String {
|
|
t.Errorf("Incorrect type returned. got %v; want %v", btype, bsontype.String)
|
|
}
|
|
if !bytes.Equal(got, want) {
|
|
t.Errorf("Bytes do not match. got %v; want %v", got, want)
|
|
}
|
|
})
|
|
})
|
|
t.Run("AppendValueBytes", func(t *testing.T) {
|
|
t.Run("BytesReader", func(t *testing.T) {
|
|
var idx int32
|
|
b, err := bsoncore.AppendDocumentEnd(
|
|
bsoncore.AppendStringElement(
|
|
bsoncore.AppendDocumentStartInline(nil, &idx),
|
|
"hello", "world",
|
|
),
|
|
idx,
|
|
)
|
|
noerr(t, err)
|
|
vr := newValueReader(b)
|
|
_, err = vr.ReadDocument()
|
|
noerr(t, err)
|
|
_, _, err = vr.ReadElement()
|
|
noerr(t, err)
|
|
btype, got, err := Copier{}.AppendValueBytes(nil, vr)
|
|
noerr(t, err)
|
|
want := bsoncore.AppendString(nil, "world")
|
|
if btype != bsontype.String {
|
|
t.Errorf("Incorrect type returned. got %v; want %v", btype, bsontype.String)
|
|
}
|
|
if !bytes.Equal(got, want) {
|
|
t.Errorf("Bytes do not match. got %v; want %v", got, want)
|
|
}
|
|
})
|
|
t.Run("Non BytesReader", func(t *testing.T) {
|
|
llvrw := &TestValueReaderWriter{t: t, bsontype: bsontype.String, readval: "Hello, world!"}
|
|
btype, got, err := Copier{}.AppendValueBytes(nil, llvrw)
|
|
noerr(t, err)
|
|
want := bsoncore.AppendString(nil, "Hello, world!")
|
|
if btype != bsontype.String {
|
|
t.Errorf("Incorrect type returned. got %v; want %v", btype, bsontype.String)
|
|
}
|
|
if !bytes.Equal(got, want) {
|
|
t.Errorf("Bytes do not match. got %v; want %v", got, want)
|
|
}
|
|
})
|
|
t.Run("CopyValue error", func(t *testing.T) {
|
|
want := errors.New("CopyValue error")
|
|
llvrw := &TestValueReaderWriter{t: t, bsontype: bsontype.String, err: want, errAfter: llvrwReadString}
|
|
_, _, got := Copier{}.AppendValueBytes(make([]byte, 0), llvrw)
|
|
if !compareErrors(got, want) {
|
|
t.Errorf("Errors do not match. got %v; want %v", got, want)
|
|
}
|
|
})
|
|
})
|
|
}
|