diff options
Diffstat (limited to 'src/mongo/gotools/common/json/nan_test.go')
-rw-r--r-- | src/mongo/gotools/common/json/nan_test.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/mongo/gotools/common/json/nan_test.go b/src/mongo/gotools/common/json/nan_test.go new file mode 100644 index 00000000000..6653d8c6d5d --- /dev/null +++ b/src/mongo/gotools/common/json/nan_test.go @@ -0,0 +1,90 @@ +package json + +import ( + "fmt" + . "github.com/smartystreets/goconvey/convey" + "math" + "testing" +) + +func TestNaNValue(t *testing.T) { + + Convey("When unmarshalling JSON with NaN values", t, func() { + + Convey("works for a single key", func() { + var jsonMap map[string]interface{} + + key := "key" + value := "NaN" + data := fmt.Sprintf(`{"%v":%v}`, key, value) + + err := Unmarshal([]byte(data), &jsonMap) + So(err, ShouldBeNil) + + jsonValue, ok := jsonMap[key].(float64) + So(ok, ShouldBeTrue) + So(math.IsNaN(jsonValue), ShouldBeTrue) + }) + + Convey("works for multiple keys", func() { + var jsonMap map[string]interface{} + + key1, key2, key3 := "key1", "key2", "key3" + value := "NaN" + data := fmt.Sprintf(`{"%v":%v,"%v":%v,"%v":%v}`, + key1, value, key2, value, key3, value) + + err := Unmarshal([]byte(data), &jsonMap) + So(err, ShouldBeNil) + + jsonValue1, ok := jsonMap[key1].(float64) + So(ok, ShouldBeTrue) + So(math.IsNaN(jsonValue1), ShouldBeTrue) + + jsonValue2, ok := jsonMap[key2].(float64) + So(ok, ShouldBeTrue) + So(math.IsNaN(jsonValue2), ShouldBeTrue) + + jsonValue3, ok := jsonMap[key3].(float64) + So(ok, ShouldBeTrue) + So(math.IsNaN(jsonValue3), ShouldBeTrue) + }) + + Convey("works in an array", func() { + var jsonMap map[string]interface{} + + key := "key" + value := "NaN" + 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.(float64) + So(ok, ShouldBeTrue) + So(math.IsNaN(jsonValue), ShouldBeTrue) + } + }) + + Convey("cannot have a sign ('+' or '-')", func() { + var jsonMap map[string]interface{} + + key := "key" + value := "NaN" + data := fmt.Sprintf(`{"%v":+%v}`, key, value) + + err := Unmarshal([]byte(data), &jsonMap) + So(err, ShouldNotBeNil) + + data = fmt.Sprintf(`{"%v":-%v}`, key, value) + + err = Unmarshal([]byte(data), &jsonMap) + So(err, ShouldNotBeNil) + }) + }) +} |