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|
package json
import (
"fmt"
. "github.com/smartystreets/goconvey/convey"
"testing"
)
func TestHexadecimalNumber(t *testing.T) {
value := "0x123"
intValue := 0x123
Convey("When unmarshalling JSON with hexadecimal numeric values", t, func() {
Convey("works for a single key", func() {
var jsonMap map[string]interface{}
key := "key"
data := fmt.Sprintf(`{"%v":%v}`, key, value)
err := Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue, ok := jsonMap[key].(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, intValue)
})
Convey("works for multiple keys", func() {
var jsonMap map[string]interface{}
key1, key2, key3 := "key1", "key2", "key3"
value1, value2, value3 := "0x100", "0x101", "0x102"
data := fmt.Sprintf(`{"%v":%v,"%v":%v,"%v":%v}`,
key1, value1, key2, value2, key3, value3)
err := Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue1, ok := jsonMap[key1].(int32)
So(ok, ShouldBeTrue)
So(jsonValue1, ShouldEqual, 0x100)
jsonValue2, ok := jsonMap[key2].(int32)
So(ok, ShouldBeTrue)
So(jsonValue2, ShouldEqual, 0x101)
jsonValue3, ok := jsonMap[key3].(int32)
So(ok, ShouldBeTrue)
So(jsonValue3, ShouldEqual, 0x102)
})
Convey("works in an array", func() {
var jsonMap map[string]interface{}
key := "key"
data := fmt.Sprintf(`{"%v":[%v,%v,%v]}`,
key, value, value, value)
err := Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonArray, ok := jsonMap[key].([]interface{})
So(ok, ShouldBeTrue)
for _, _jsonValue := range jsonArray {
jsonValue, ok := _jsonValue.(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, intValue)
}
})
Convey("can have a sign ('+' or '-')", func() {
var jsonMap map[string]interface{}
key := "key"
data := fmt.Sprintf(`{"%v":+%v}`, key, value)
err := Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue, ok := jsonMap[key].(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, intValue)
data = fmt.Sprintf(`{"%v":-%v}`, key, value)
err = Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue, ok = jsonMap[key].(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, -intValue)
})
Convey("can use '0x' or '0X' prefix", func() {
var jsonMap map[string]interface{}
key := "key"
value := "123"
data := fmt.Sprintf(`{"%v":0x%v}`, key, value)
err := Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue, ok := jsonMap[key].(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, intValue)
data = fmt.Sprintf(`{"%v":0X%v}`, key, value)
err = Unmarshal([]byte(data), &jsonMap)
So(err, ShouldBeNil)
jsonValue, ok = jsonMap[key].(int32)
So(ok, ShouldBeTrue)
So(jsonValue, ShouldEqual, intValue)
})
})
}
|
