--- /dev/null
+package mapstructure
+
+import (
+ "encoding/json"
+ "testing"
+)
+
+func Benchmark_Decode(b *testing.B) {
+ type Person struct {
+ Name string
+ Age int
+ Emails []string
+ Extra map[string]string
+ }
+
+ input := map[string]interface{}{
+ "name": "Mitchell",
+ "age": 91,
+ "emails": []string{"one", "two", "three"},
+ "extra": map[string]string{
+ "twitter": "mitchellh",
+ },
+ }
+
+ var result Person
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+// decodeViaJSON takes the map data and passes it through encoding/json to convert it into the
+// given Go native structure pointed to by v. v must be a pointer to a struct.
+func decodeViaJSON(data interface{}, v interface{}) error {
+ // Perform the task by simply marshalling the input into JSON,
+ // then unmarshalling it into target native Go struct.
+ b, err := json.Marshal(data)
+ if err != nil {
+ return err
+ }
+ return json.Unmarshal(b, v)
+}
+
+func Benchmark_DecodeViaJSON(b *testing.B) {
+ type Person struct {
+ Name string
+ Age int
+ Emails []string
+ Extra map[string]string
+ }
+
+ input := map[string]interface{}{
+ "name": "Mitchell",
+ "age": 91,
+ "emails": []string{"one", "two", "three"},
+ "extra": map[string]string{
+ "twitter": "mitchellh",
+ },
+ }
+
+ var result Person
+ for i := 0; i < b.N; i++ {
+ decodeViaJSON(input, &result)
+ }
+}
+
+func Benchmark_DecodeBasic(b *testing.B) {
+ input := map[string]interface{}{
+ "vstring": "foo",
+ "vint": 42,
+ "Vuint": 42,
+ "vbool": true,
+ "Vfloat": 42.42,
+ "vsilent": true,
+ "vdata": 42,
+ }
+
+ var result Basic
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeEmbedded(b *testing.B) {
+ input := map[string]interface{}{
+ "vstring": "foo",
+ "Basic": map[string]interface{}{
+ "vstring": "innerfoo",
+ },
+ "vunique": "bar",
+ }
+
+ var result Embedded
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeTypeConversion(b *testing.B) {
+ input := map[string]interface{}{
+ "IntToFloat": 42,
+ "IntToUint": 42,
+ "IntToBool": 1,
+ "IntToString": 42,
+ "UintToInt": 42,
+ "UintToFloat": 42,
+ "UintToBool": 42,
+ "UintToString": 42,
+ "BoolToInt": true,
+ "BoolToUint": true,
+ "BoolToFloat": true,
+ "BoolToString": true,
+ "FloatToInt": 42.42,
+ "FloatToUint": 42.42,
+ "FloatToBool": 42.42,
+ "FloatToString": 42.42,
+ "StringToInt": "42",
+ "StringToUint": "42",
+ "StringToBool": "1",
+ "StringToFloat": "42.42",
+ "SliceToMap": []interface{}{},
+ "MapToSlice": map[string]interface{}{},
+ }
+
+ var resultStrict TypeConversionResult
+ for i := 0; i < b.N; i++ {
+ Decode(input, &resultStrict)
+ }
+}
+
+func Benchmark_DecodeMap(b *testing.B) {
+ input := map[string]interface{}{
+ "vfoo": "foo",
+ "vother": map[interface{}]interface{}{
+ "foo": "foo",
+ "bar": "bar",
+ },
+ }
+
+ var result Map
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeMapOfStruct(b *testing.B) {
+ input := map[string]interface{}{
+ "value": map[string]interface{}{
+ "foo": map[string]string{"vstring": "one"},
+ "bar": map[string]string{"vstring": "two"},
+ },
+ }
+
+ var result MapOfStruct
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeSlice(b *testing.B) {
+ input := map[string]interface{}{
+ "vfoo": "foo",
+ "vbar": []string{"foo", "bar", "baz"},
+ }
+
+ var result Slice
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeSliceOfStruct(b *testing.B) {
+ input := map[string]interface{}{
+ "value": []map[string]interface{}{
+ {"vstring": "one"},
+ {"vstring": "two"},
+ },
+ }
+
+ var result SliceOfStruct
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
+
+func Benchmark_DecodeWeaklyTypedInput(b *testing.B) {
+ type Person struct {
+ Name string
+ Age int
+ Emails []string
+ }
+
+ // This input can come from anywhere, but typically comes from
+ // something like decoding JSON, generated by a weakly typed language
+ // such as PHP.
+ input := map[string]interface{}{
+ "name": 123, // number => string
+ "age": "42", // string => number
+ "emails": map[string]interface{}{}, // empty map => empty array
+ }
+
+ var result Person
+ config := &DecoderConfig{
+ WeaklyTypedInput: true,
+ Result: &result,
+ }
+
+ decoder, err := NewDecoder(config)
+ if err != nil {
+ panic(err)
+ }
+
+ for i := 0; i < b.N; i++ {
+ decoder.Decode(input)
+ }
+}
+
+func Benchmark_DecodeMetadata(b *testing.B) {
+ type Person struct {
+ Name string
+ Age int
+ }
+
+ input := map[string]interface{}{
+ "name": "Mitchell",
+ "age": 91,
+ "email": "foo@bar.com",
+ }
+
+ var md Metadata
+ var result Person
+ config := &DecoderConfig{
+ Metadata: &md,
+ Result: &result,
+ }
+
+ decoder, err := NewDecoder(config)
+ if err != nil {
+ panic(err)
+ }
+
+ for i := 0; i < b.N; i++ {
+ decoder.Decode(input)
+ }
+}
+
+func Benchmark_DecodeMetadataEmbedded(b *testing.B) {
+ input := map[string]interface{}{
+ "vstring": "foo",
+ "vunique": "bar",
+ }
+
+ var md Metadata
+ var result EmbeddedSquash
+ config := &DecoderConfig{
+ Metadata: &md,
+ Result: &result,
+ }
+
+ decoder, err := NewDecoder(config)
+ if err != nil {
+ b.Fatalf("err: %s", err)
+ }
+
+ for i := 0; i < b.N; i++ {
+ decoder.Decode(input)
+ }
+}
+
+func Benchmark_DecodeTagged(b *testing.B) {
+ input := map[string]interface{}{
+ "foo": "bar",
+ "bar": "value",
+ }
+
+ var result Tagged
+ for i := 0; i < b.N; i++ {
+ Decode(input, &result)
+ }
+}
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