update vendor/ dir to latest w/o heroku, moby

had to lock a lot of things in place

vendor/github.com/json-iterator/go/jsoniter_null_test.go

@@ -0,0 +1,137 @@
+package jsoniter
+
+import (
+	"bytes"
+	"encoding/json"
+	"github.com/stretchr/testify/require"
+	"io"
+	"testing"
+)
+
+func Test_read_null(t *testing.T) {
+	should := require.New(t)
+	iter := ParseString(ConfigDefault, `null`)
+	should.True(iter.ReadNil())
+	iter = ParseString(ConfigDefault, `null`)
+	should.Nil(iter.Read())
+	iter = ParseString(ConfigDefault, `navy`)
+	iter.Read()
+	should.True(iter.Error != nil && iter.Error != io.EOF)
+	iter = ParseString(ConfigDefault, `navy`)
+	iter.ReadNil()
+	should.True(iter.Error != nil && iter.Error != io.EOF)
+}
+
+func Test_write_null(t *testing.T) {
+	should := require.New(t)
+	buf := &bytes.Buffer{}
+	stream := NewStream(ConfigDefault, buf, 4096)
+	stream.WriteNil()
+	stream.Flush()
+	should.Nil(stream.Error)
+	should.Equal("null", buf.String())
+}
+
+func Test_encode_null(t *testing.T) {
+	should := require.New(t)
+	str, err := MarshalToString(nil)
+	should.Nil(err)
+	should.Equal("null", str)
+}
+
+func Test_decode_null_object_field(t *testing.T) {
+	should := require.New(t)
+	iter := ParseString(ConfigDefault, `[null,"a"]`)
+	iter.ReadArray()
+	if iter.ReadObject() != "" {
+		t.FailNow()
+	}
+	iter.ReadArray()
+	if iter.ReadString() != "a" {
+		t.FailNow()
+	}
+	type TestObject struct {
+		Field string
+	}
+	objs := []TestObject{}
+	should.Nil(UnmarshalFromString("[null]", &objs))
+	should.Len(objs, 1)
+}
+
+func Test_decode_null_array_element(t *testing.T) {
+	should := require.New(t)
+	iter := ParseString(ConfigDefault, `[null,"a"]`)
+	should.True(iter.ReadArray())
+	should.True(iter.ReadNil())
+	should.True(iter.ReadArray())
+	should.Equal("a", iter.ReadString())
+}
+
+func Test_decode_null_array(t *testing.T) {
+	should := require.New(t)
+	arr := []string{}
+	should.Nil(UnmarshalFromString("null", &arr))
+	should.Nil(arr)
+}
+
+func Test_decode_null_map(t *testing.T) {
+	should := require.New(t)
+	arr := map[string]string{}
+	should.Nil(UnmarshalFromString("null", &arr))
+	should.Nil(arr)
+}
+
+func Test_decode_null_string(t *testing.T) {
+	should := require.New(t)
+	iter := ParseString(ConfigDefault, `[null,"a"]`)
+	should.True(iter.ReadArray())
+	should.Equal("", iter.ReadString())
+	should.True(iter.ReadArray())
+	should.Equal("a", iter.ReadString())
+}
+
+func Test_decode_null_skip(t *testing.T) {
+	iter := ParseString(ConfigDefault, `[null,"a"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "a" {
+		t.FailNow()
+	}
+}
+
+func Test_encode_nil_map(t *testing.T) {
+	should := require.New(t)
+	type Ttest map[string]string
+	var obj1 Ttest
+	output, err := json.Marshal(obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = json.Marshal(&obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = Marshal(obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = Marshal(&obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+}
+
+func Test_encode_nil_array(t *testing.T) {
+	should := require.New(t)
+	type Ttest []string
+	var obj1 Ttest
+	output, err := json.Marshal(obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = json.Marshal(&obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = Marshal(obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+	output, err = Marshal(&obj1)
+	should.Nil(err)
+	should.Equal("null", string(output))
+}