mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-05 00:39:59 +00:00
459 lines
11 KiB
Go
459 lines
11 KiB
Go
package assert
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import (
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"bytes"
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"fmt"
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"reflect"
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"time"
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)
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type CompareType int
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const (
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compareLess CompareType = iota - 1
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compareEqual
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compareGreater
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)
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var (
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intType = reflect.TypeOf(int(1))
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int8Type = reflect.TypeOf(int8(1))
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int16Type = reflect.TypeOf(int16(1))
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int32Type = reflect.TypeOf(int32(1))
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int64Type = reflect.TypeOf(int64(1))
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uintType = reflect.TypeOf(uint(1))
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uint8Type = reflect.TypeOf(uint8(1))
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uint16Type = reflect.TypeOf(uint16(1))
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uint32Type = reflect.TypeOf(uint32(1))
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uint64Type = reflect.TypeOf(uint64(1))
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float32Type = reflect.TypeOf(float32(1))
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float64Type = reflect.TypeOf(float64(1))
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stringType = reflect.TypeOf("")
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timeType = reflect.TypeOf(time.Time{})
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bytesType = reflect.TypeOf([]byte{})
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)
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func compare(obj1, obj2 interface{}, kind reflect.Kind) (CompareType, bool) {
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obj1Value := reflect.ValueOf(obj1)
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obj2Value := reflect.ValueOf(obj2)
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// throughout this switch we try and avoid calling .Convert() if possible,
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// as this has a pretty big performance impact
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switch kind {
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case reflect.Int:
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{
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intobj1, ok := obj1.(int)
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if !ok {
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intobj1 = obj1Value.Convert(intType).Interface().(int)
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}
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intobj2, ok := obj2.(int)
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if !ok {
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intobj2 = obj2Value.Convert(intType).Interface().(int)
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}
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if intobj1 > intobj2 {
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return compareGreater, true
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}
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if intobj1 == intobj2 {
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return compareEqual, true
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}
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if intobj1 < intobj2 {
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return compareLess, true
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}
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}
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case reflect.Int8:
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{
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int8obj1, ok := obj1.(int8)
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if !ok {
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int8obj1 = obj1Value.Convert(int8Type).Interface().(int8)
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}
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int8obj2, ok := obj2.(int8)
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if !ok {
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int8obj2 = obj2Value.Convert(int8Type).Interface().(int8)
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}
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if int8obj1 > int8obj2 {
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return compareGreater, true
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}
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if int8obj1 == int8obj2 {
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return compareEqual, true
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}
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if int8obj1 < int8obj2 {
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return compareLess, true
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}
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}
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case reflect.Int16:
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{
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int16obj1, ok := obj1.(int16)
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if !ok {
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int16obj1 = obj1Value.Convert(int16Type).Interface().(int16)
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}
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int16obj2, ok := obj2.(int16)
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if !ok {
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int16obj2 = obj2Value.Convert(int16Type).Interface().(int16)
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}
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if int16obj1 > int16obj2 {
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return compareGreater, true
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}
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if int16obj1 == int16obj2 {
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return compareEqual, true
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}
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if int16obj1 < int16obj2 {
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return compareLess, true
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}
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}
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case reflect.Int32:
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{
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int32obj1, ok := obj1.(int32)
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if !ok {
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int32obj1 = obj1Value.Convert(int32Type).Interface().(int32)
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}
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int32obj2, ok := obj2.(int32)
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if !ok {
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int32obj2 = obj2Value.Convert(int32Type).Interface().(int32)
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}
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if int32obj1 > int32obj2 {
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return compareGreater, true
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}
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if int32obj1 == int32obj2 {
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return compareEqual, true
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}
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if int32obj1 < int32obj2 {
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return compareLess, true
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}
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}
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case reflect.Int64:
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{
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int64obj1, ok := obj1.(int64)
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if !ok {
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int64obj1 = obj1Value.Convert(int64Type).Interface().(int64)
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}
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int64obj2, ok := obj2.(int64)
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if !ok {
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int64obj2 = obj2Value.Convert(int64Type).Interface().(int64)
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}
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if int64obj1 > int64obj2 {
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return compareGreater, true
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}
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if int64obj1 == int64obj2 {
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return compareEqual, true
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}
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if int64obj1 < int64obj2 {
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return compareLess, true
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}
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}
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case reflect.Uint:
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{
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uintobj1, ok := obj1.(uint)
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if !ok {
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uintobj1 = obj1Value.Convert(uintType).Interface().(uint)
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}
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uintobj2, ok := obj2.(uint)
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if !ok {
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uintobj2 = obj2Value.Convert(uintType).Interface().(uint)
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}
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if uintobj1 > uintobj2 {
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return compareGreater, true
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}
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if uintobj1 == uintobj2 {
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return compareEqual, true
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}
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if uintobj1 < uintobj2 {
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return compareLess, true
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}
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}
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case reflect.Uint8:
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{
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uint8obj1, ok := obj1.(uint8)
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if !ok {
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uint8obj1 = obj1Value.Convert(uint8Type).Interface().(uint8)
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}
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uint8obj2, ok := obj2.(uint8)
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if !ok {
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uint8obj2 = obj2Value.Convert(uint8Type).Interface().(uint8)
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}
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if uint8obj1 > uint8obj2 {
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return compareGreater, true
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}
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if uint8obj1 == uint8obj2 {
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return compareEqual, true
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}
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if uint8obj1 < uint8obj2 {
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return compareLess, true
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}
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}
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case reflect.Uint16:
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{
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uint16obj1, ok := obj1.(uint16)
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if !ok {
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uint16obj1 = obj1Value.Convert(uint16Type).Interface().(uint16)
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}
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uint16obj2, ok := obj2.(uint16)
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if !ok {
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uint16obj2 = obj2Value.Convert(uint16Type).Interface().(uint16)
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}
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if uint16obj1 > uint16obj2 {
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return compareGreater, true
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}
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if uint16obj1 == uint16obj2 {
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return compareEqual, true
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}
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if uint16obj1 < uint16obj2 {
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return compareLess, true
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}
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}
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case reflect.Uint32:
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{
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uint32obj1, ok := obj1.(uint32)
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if !ok {
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uint32obj1 = obj1Value.Convert(uint32Type).Interface().(uint32)
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}
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uint32obj2, ok := obj2.(uint32)
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if !ok {
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uint32obj2 = obj2Value.Convert(uint32Type).Interface().(uint32)
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}
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if uint32obj1 > uint32obj2 {
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return compareGreater, true
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}
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if uint32obj1 == uint32obj2 {
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return compareEqual, true
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}
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if uint32obj1 < uint32obj2 {
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return compareLess, true
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}
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}
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case reflect.Uint64:
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{
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uint64obj1, ok := obj1.(uint64)
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if !ok {
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uint64obj1 = obj1Value.Convert(uint64Type).Interface().(uint64)
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}
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uint64obj2, ok := obj2.(uint64)
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if !ok {
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uint64obj2 = obj2Value.Convert(uint64Type).Interface().(uint64)
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}
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if uint64obj1 > uint64obj2 {
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return compareGreater, true
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}
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if uint64obj1 == uint64obj2 {
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return compareEqual, true
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}
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if uint64obj1 < uint64obj2 {
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return compareLess, true
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}
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}
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case reflect.Float32:
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{
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float32obj1, ok := obj1.(float32)
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if !ok {
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float32obj1 = obj1Value.Convert(float32Type).Interface().(float32)
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}
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float32obj2, ok := obj2.(float32)
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if !ok {
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float32obj2 = obj2Value.Convert(float32Type).Interface().(float32)
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}
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if float32obj1 > float32obj2 {
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return compareGreater, true
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}
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if float32obj1 == float32obj2 {
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return compareEqual, true
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}
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if float32obj1 < float32obj2 {
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return compareLess, true
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}
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}
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case reflect.Float64:
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{
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float64obj1, ok := obj1.(float64)
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if !ok {
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float64obj1 = obj1Value.Convert(float64Type).Interface().(float64)
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}
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float64obj2, ok := obj2.(float64)
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if !ok {
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float64obj2 = obj2Value.Convert(float64Type).Interface().(float64)
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}
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if float64obj1 > float64obj2 {
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return compareGreater, true
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}
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if float64obj1 == float64obj2 {
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return compareEqual, true
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}
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if float64obj1 < float64obj2 {
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return compareLess, true
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}
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}
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case reflect.String:
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{
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stringobj1, ok := obj1.(string)
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if !ok {
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stringobj1 = obj1Value.Convert(stringType).Interface().(string)
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}
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stringobj2, ok := obj2.(string)
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if !ok {
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stringobj2 = obj2Value.Convert(stringType).Interface().(string)
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}
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if stringobj1 > stringobj2 {
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return compareGreater, true
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}
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if stringobj1 == stringobj2 {
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return compareEqual, true
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}
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if stringobj1 < stringobj2 {
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return compareLess, true
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}
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}
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// Check for known struct types we can check for compare results.
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case reflect.Struct:
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{
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// All structs enter here. We're not interested in most types.
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if !canConvert(obj1Value, timeType) {
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break
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}
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// time.Time can compared!
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timeObj1, ok := obj1.(time.Time)
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if !ok {
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timeObj1 = obj1Value.Convert(timeType).Interface().(time.Time)
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}
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timeObj2, ok := obj2.(time.Time)
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if !ok {
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timeObj2 = obj2Value.Convert(timeType).Interface().(time.Time)
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}
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return compare(timeObj1.UnixNano(), timeObj2.UnixNano(), reflect.Int64)
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}
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case reflect.Slice:
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{
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// We only care about the []byte type.
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if !canConvert(obj1Value, bytesType) {
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break
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}
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// []byte can be compared!
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bytesObj1, ok := obj1.([]byte)
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if !ok {
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bytesObj1 = obj1Value.Convert(bytesType).Interface().([]byte)
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}
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bytesObj2, ok := obj2.([]byte)
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if !ok {
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bytesObj2 = obj2Value.Convert(bytesType).Interface().([]byte)
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}
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return CompareType(bytes.Compare(bytesObj1, bytesObj2)), true
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}
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}
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return compareEqual, false
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}
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// Greater asserts that the first element is greater than the second
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//
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// assert.Greater(t, 2, 1)
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// assert.Greater(t, float64(2), float64(1))
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// assert.Greater(t, "b", "a")
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func Greater(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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return compareTwoValues(t, e1, e2, []CompareType{compareGreater}, "\"%v\" is not greater than \"%v\"", msgAndArgs...)
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}
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// GreaterOrEqual asserts that the first element is greater than or equal to the second
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//
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// assert.GreaterOrEqual(t, 2, 1)
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// assert.GreaterOrEqual(t, 2, 2)
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// assert.GreaterOrEqual(t, "b", "a")
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// assert.GreaterOrEqual(t, "b", "b")
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func GreaterOrEqual(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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return compareTwoValues(t, e1, e2, []CompareType{compareGreater, compareEqual}, "\"%v\" is not greater than or equal to \"%v\"", msgAndArgs...)
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}
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// Less asserts that the first element is less than the second
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//
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// assert.Less(t, 1, 2)
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// assert.Less(t, float64(1), float64(2))
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// assert.Less(t, "a", "b")
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func Less(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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return compareTwoValues(t, e1, e2, []CompareType{compareLess}, "\"%v\" is not less than \"%v\"", msgAndArgs...)
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}
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// LessOrEqual asserts that the first element is less than or equal to the second
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//
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// assert.LessOrEqual(t, 1, 2)
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// assert.LessOrEqual(t, 2, 2)
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// assert.LessOrEqual(t, "a", "b")
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// assert.LessOrEqual(t, "b", "b")
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func LessOrEqual(t TestingT, e1 interface{}, e2 interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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return compareTwoValues(t, e1, e2, []CompareType{compareLess, compareEqual}, "\"%v\" is not less than or equal to \"%v\"", msgAndArgs...)
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}
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// Positive asserts that the specified element is positive
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//
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// assert.Positive(t, 1)
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// assert.Positive(t, 1.23)
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func Positive(t TestingT, e interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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zero := reflect.Zero(reflect.TypeOf(e))
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return compareTwoValues(t, e, zero.Interface(), []CompareType{compareGreater}, "\"%v\" is not positive", msgAndArgs...)
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}
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// Negative asserts that the specified element is negative
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//
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// assert.Negative(t, -1)
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// assert.Negative(t, -1.23)
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func Negative(t TestingT, e interface{}, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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zero := reflect.Zero(reflect.TypeOf(e))
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return compareTwoValues(t, e, zero.Interface(), []CompareType{compareLess}, "\"%v\" is not negative", msgAndArgs...)
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}
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func compareTwoValues(t TestingT, e1 interface{}, e2 interface{}, allowedComparesResults []CompareType, failMessage string, msgAndArgs ...interface{}) bool {
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if h, ok := t.(tHelper); ok {
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h.Helper()
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}
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e1Kind := reflect.ValueOf(e1).Kind()
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e2Kind := reflect.ValueOf(e2).Kind()
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if e1Kind != e2Kind {
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return Fail(t, "Elements should be the same type", msgAndArgs...)
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}
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compareResult, isComparable := compare(e1, e2, e1Kind)
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if !isComparable {
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return Fail(t, fmt.Sprintf("Can not compare type \"%s\"", reflect.TypeOf(e1)), msgAndArgs...)
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}
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if !containsValue(allowedComparesResults, compareResult) {
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return Fail(t, fmt.Sprintf(failMessage, e1, e2), msgAndArgs...)
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}
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return true
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}
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func containsValue(values []CompareType, value CompareType) bool {
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for _, v := range values {
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if v == value {
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return true
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}
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}
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return false
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}
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