consolidate more tests

misc_tests/jsoniter_null_test.go

@@ -0,0 +1,81 @@
+package misc_tests
+
+import (
+	"bytes"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/json-iterator/go"
+)
+
+func Test_read_null(t *testing.T) {
+	should := require.New(t)
+	iter := jsoniter.ParseString(jsoniter.ConfigDefault, `null`)
+	should.True(iter.ReadNil())
+	iter = jsoniter.ParseString(jsoniter.ConfigDefault, `null`)
+	should.Nil(iter.Read())
+	iter = jsoniter.ParseString(jsoniter.ConfigDefault, `navy`)
+	iter.Read()
+	should.True(iter.Error != nil && iter.Error != io.EOF)
+	iter = jsoniter.ParseString(jsoniter.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 := jsoniter.NewStream(jsoniter.ConfigDefault, buf, 4096)
+	stream.WriteNil()
+	stream.Flush()
+	should.Nil(stream.Error)
+	should.Equal("null", buf.String())
+}
+
+func Test_decode_null_object_field(t *testing.T) {
+	should := require.New(t)
+	iter := jsoniter.ParseString(jsoniter.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(jsoniter.UnmarshalFromString("[null]", &objs))
+	should.Len(objs, 1)
+}
+
+func Test_decode_null_array_element(t *testing.T) {
+	should := require.New(t)
+	iter := jsoniter.ParseString(jsoniter.ConfigDefault, `[null,"a"]`)
+	should.True(iter.ReadArray())
+	should.True(iter.ReadNil())
+	should.True(iter.ReadArray())
+	should.Equal("a", iter.ReadString())
+}
+
+func Test_decode_null_string(t *testing.T) {
+	should := require.New(t)
+	iter := jsoniter.ParseString(jsoniter.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 := jsoniter.ParseString(jsoniter.ConfigDefault, `[null,"a"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "a" {
+		t.FailNow()
+	}
+}