dealt with internal type fitting interface in another way (other than a unit test)

badgateway.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error      = internalBadGateway{}
-var _ BadGateway = internalBadGateway{}
+var _ Error       = internalBadGateway{}
+var _ ServerError = internalBadGateway{}
+var _ BadGateway  = internalBadGateway{}
 
 var ErrBadGateway error = BadGatewayWrap(nil)
 

badrequest.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error      = internalBadRequest{}
-var _ BadRequest = internalBadRequest{}
+var _ Error       = internalBadRequest{}
+var _ ClientError = internalBadRequest{}
+var _ BadRequest  = internalBadRequest{}
 
 var ErrBadRequest = BadRequestWrap(nil)
 

clienterror_test.go

@@ -1,42 +0,0 @@
-package errhttp
-
-import (
-	"testing"
-)
-
-func TestClientError(t *testing.T) {
-
-	var x ClientError
-
-	x = internalBadRequest{}                   // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalUnauthorized{}                 // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalPaymentRequired{}              // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalForbidden{}                    // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalNotFound{}                     // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalMethodNotAllowed{}             // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalNotAcceptable{}                // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalProxyAuthRequired{}            // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalRequestTimeout{}               // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalConflict{}                     // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalGone{}                         // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalLengthRequired{}               // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalPreconditionFailed{}           // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalRequestEntityTooLarge{}        // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalRequestURITooLong{}            // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalUnsupportedMediaType{}         // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalRequestedRangeNotSatisfiable{} // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalExpectationFailed{}            // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalTeapot{}                       // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalUnprocessableEntity{}          // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalLocked{}                       // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalFailedDependency{}             // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalUpgradeRequired{}              // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalPreconditionRequired{}         // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalTooManyRequests{}              // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalRequestHeaderFieldsTooLarge{}  // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalUnavailableForLegalReasons{}   // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-
-	if nil == x {
-		t.Errorf("This should never happen.")
-	}
-}

conflict.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error    = internalConflict{}
-var _ Conflict = internalConflict{}
+var _ Error       = internalConflict{}
+var _ ClientError = internalConflict{}
+var _ Conflict    = internalConflict{}
 
 var ErrConflict = ConflictWrap(nil)
 

expectationfailed.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error             = internalExpectationFailed{}
+var _ ClientError       = internalExpectationFailed{}
 var _ ExpectationFailed = internalExpectationFailed{}
 
 var ErrExpectationFailed error = ExpectationFailedWrap(nil)

faileddependency.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error            = internalFailedDependency{}
+var _ ClientError      = internalFailedDependency{}
 var _ FailedDependency = internalFailedDependency{}
 
 var ErrFailedDependency error = FailedDependencyWrap(nil)

forbidden.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error     = internalForbidden{}
-var _ Forbidden = internalForbidden{}
+var _ Error       = internalForbidden{}
+var _ ClientError = internalForbidden{}
+var _ Forbidden   = internalForbidden{}
 
 var ErrForbidden error = ForbiddenWrap(nil)
 

gatewaytimeout.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error          = internalGatewayTimeout{}
+var _ ServerError    = internalGatewayTimeout{}
 var _ GatewayTimeout = internalGatewayTimeout{}
 
 var ErrGatewayTimeout error = GatewayTimeoutWrap(nil)

gone.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error = internalGone{}
-var _ Gone  = internalGone{}
+var _ Error       = internalGone{}
+var _ ClientError = internalGone{}
+var _ Gone        = internalGone{}
 
 var ErrGone error = GoneWrap(nil)
 

httpversionnotsupported.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                   = internalHTTPVersionNotSupported{}
+var _ ServerError             = internalHTTPVersionNotSupported{}
 var _ HTTPVersionNotSupported = internalHTTPVersionNotSupported{}
 
 var ErrHTTPVersionNotSupported error = HTTPVersionNotSupportedWrap(nil)

insufficientstorage.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error               = internalInsufficientStorage{}
+var _ ServerError         = internalInsufficientStorage{}
 var _ InsufficientStorage = internalInsufficientStorage{}
 
 var ErrInsufficientStorage error = InsufficientStorageWrap(nil)

internalservererror.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error               = internalInternalServerError{}
+var _ ServerError         = internalInternalServerError{}
 var _ InternalServerError = internalInternalServerError{}
 
 var ErrInternalServerError error = InternalServerErrorWrap(nil)

lengthrequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error          = internalLengthRequired{}
+var _ ClientError    = internalLengthRequired{}
 var _ LengthRequired = internalLengthRequired{}
 
 var ErrLengthRequired error = LengthRequiredWrap(nil)

locked.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error  = internalLocked{}
-var _ Locked = internalLocked{}
+var _ Error        = internalLocked{}
+var _ ClientError  = internalLocked{}
+var _ Locked       = internalLocked{}
 
 var ErrLocked error = LockedWrap(nil)
 

loopdetected.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error        = internalLoopDetected{}
+var _ ServerError  = internalLoopDetected{}
 var _ LoopDetected = internalLoopDetected{}
 
 var ErrLoopDetected error = LoopDetectedWrap(nil)

methodnotallowed.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error            = internalMethodNotAllowed{}
+var _ ClientError      = internalMethodNotAllowed{}
 var _ MethodNotAllowed = internalMethodNotAllowed{}
 
 var ErrMethodNotAllowed error = MethodNotAllowedWrap(nil)

networkauthenticationrequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                         = internalNetworkAuthenticationRequired{}
+var _ ServerError                   = internalNetworkAuthenticationRequired{}
 var _ NetworkAuthenticationRequired = internalNetworkAuthenticationRequired{}
 
 var ErrNetworkAuthenticationRequired error = NetworkAuthenticationRequiredWrap(nil)

notacceptable.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error         = internalNotAcceptable{}
+var _ ClientError   = internalNotAcceptable{}
 var _ NotAcceptable = internalNotAcceptable{}
 
 var ErrNotAcceptable error = NotAcceptableWrap(nil)

notextended.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error       = internalNotExtended{}
+var _ ServerError = internalNotExtended{}
 var _ NotExtended = internalNotExtended{}
 
 var ErrNotExtended error = NotExtendedWrap(nil)

notfound.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error    = internalNotFound{}
-var _ NotFound = internalNotFound{}
+var _ Error       = internalNotFound{}
+var _ ClientError = internalNotFound{}
+var _ NotFound    = internalNotFound{}
 
 var ErrNotFound error = NotFoundWrap(nil)
 

notimplemented.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error          = internalNotImplemented{}
+var _ ServerError    = internalNotImplemented{}
 var _ NotImplemented = internalNotImplemented{}
 
 var ErrNotImplemented error = NotImplementedWrap(nil)

payloadtoolarge.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error           = internalPayloadTooLarge{}
+var _ ClientError     = internalPayloadTooLarge{}
 var _ PayloadTooLarge = internalPayloadTooLarge{}
 
 var ErrPayloadTooLarge error = PayloadTooLargeWrap(nil)

paymentrequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error           = internalPaymentRequired{}
+var _ ClientError     = internalPaymentRequired{}
 var _ PaymentRequired = internalPaymentRequired{}
 
 var ErrPaymentRequired error = PaymentRequiredWrap(nil)

preconditionfailed.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error              = internalPreconditionFailed{}
+var _ ClientError        = internalPreconditionFailed{}
 var _ PreconditionFailed = internalPreconditionFailed{}
 
 var ErrPreconditionFailed error = PreconditionFailedWrap(nil)

preconditionrequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                = internalPreconditionRequired{}
+var _ ClientError          = internalPreconditionRequired{}
 var _ PreconditionRequired = internalPreconditionRequired{}
 
 var ErrPreconditionRequired error = PreconditionRequiredWrap(nil)

proxyauthrequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error             = internalProxyAuthRequired{}
+var _ ClientError       = internalProxyAuthRequired{}
 var _ ProxyAuthRequired = internalProxyAuthRequired{}
 
 var ErrProxyAuthRequired error = ProxyAuthRequiredWrap(nil)

requestedrangenotsatisfiable.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                        = internalRequestedRangeNotSatisfiable{}
+var _ ClientError                  = internalRequestedRangeNotSatisfiable{}
 var _ RequestedRangeNotSatisfiable = internalRequestedRangeNotSatisfiable{}
 
 var ErrRequestedRangeNotSatisfiable error = RequestedRangeNotSatisfiableWrap(nil)

requestentitytoolarge.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                 = internalRequestEntityTooLarge{}
+var _ ClientError           = internalRequestEntityTooLarge{}
 var _ RequestEntityTooLarge = internalRequestEntityTooLarge{}
 
 var ErrRequestEntityTooLarge error = RequestEntityTooLargeWrap(nil)

requestheaderfieldstoolarge.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                       = internalRequestHeaderFieldsTooLarge{}
+var _ ClientError                 = internalRequestHeaderFieldsTooLarge{}
 var _ RequestHeaderFieldsTooLarge = internalRequestHeaderFieldsTooLarge{}
 
 var ErrRequestHeaderFieldsTooLarge error = RequestHeaderFieldsTooLargeWrap(nil)

requesttimeout.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error          = internalRequestTimeout{}
+var _ ClientError    = internalRequestTimeout{}
 var _ RequestTimeout = internalRequestTimeout{}
 
 var ErrRequestTimeout error = RequestTimeoutWrap(nil)

requesturitoolong.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error             = internalRequestURITooLong{}
+var _ ClientError       = internalRequestURITooLong{}
 var _ RequestURITooLong = internalRequestURITooLong{}
 
 var ErrRequestURITooLong error = RequestURITooLongWrap(nil)

servererror_test.go

@@ -1,26 +0,0 @@
-package errhttp
-
-import (
-	"testing"
-)
-
-func TestServerError(t *testing.T) {
-
-	var x ServerError
-
-	x = internalInternalServerError{}           // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalNotImplemented{}                // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalBadGateway{}                    // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalServiceUnavailable{}            // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalGatewayTimeout{}                // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalHTTPVersionNotSupported{}       // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalVariantAlsoNegotiates{}         // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalInsufficientStorage{}           // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalLoopDetected{}                  // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalNotExtended{}                   // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-	x = internalNetworkAuthenticationRequired{} // THESE ARE THE LINE THAT ACTUALLY MATTERS IN THIS TEST.
-
-	if nil == x {
-		t.Errorf("This should never happen.")
-	}
-}

serviceunavailable.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error              = internalServiceUnavailable{}
+var _ ServerError        = internalServiceUnavailable{}
 var _ ServiceUnavailable = internalServiceUnavailable{}
 
 var ErrServiceUnavailable error = ServiceUnavailableWrap(nil)

teapot.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error  = internalTeapot{}
-var _ Teapot = internalTeapot{}
+var _ Error       = internalTeapot{}
+var _ ClientError = internalTeapot{}
+var _ Teapot      = internalTeapot{}
 
 var ErrTeapot error = TeapotWrap(nil)
 

toomanyrequests.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error           = internalTooManyRequests{}
+var _ ClientError     = internalTooManyRequests{}
 var _ TooManyRequests = internalTooManyRequests{}
 
 var ErrTooManyRequests error = TooManyRequestsWrap(nil)

unauthorized.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error        = internalUnauthorized{}
+var _ ClientError  = internalUnauthorized{}
 var _ Unauthorized = internalUnauthorized{}
 
 var ErrUnauthorized error = UnauthorizedWrap(nil)

unavailableforlegalreasons.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                      = internalUnavailableForLegalReasons{}
+var _ ClientError                = internalUnavailableForLegalReasons{}
 var _ UnavailableForLegalReasons = internalUnavailableForLegalReasons{}
 
 var ErrUnavailableForLegalReasons error = UnavailableForLegalReasonsWrap(nil)

unprocessableentity.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error               = internalUnprocessableEntity{}
+var _ ClientError         = internalUnprocessableEntity{}
 var _ UnprocessableEntity = internalUnprocessableEntity{}
 
 var ErrUnprocessableEntity error = UnprocessableEntityWrap(nil)

unsupportedmediatype.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                = internalUnsupportedMediaType{}
+var _ ClientError          = internalUnsupportedMediaType{}
 var _ UnsupportedMediaType = internalUnsupportedMediaType{}
 
 var ErrUnsupportedMediaType error = UnsupportedMediaTypeWrap(nil)

upgraderequired.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error           = internalUpgradeRequired{}
+var _ ClientError     = internalUpgradeRequired{}
 var _ UpgradeRequired = internalUpgradeRequired{}
 
 var ErrUpgradeRequired error = UpgradeRequiredWrap(nil)

uritoolong.go

@@ -1,7 +1,8 @@
 package errhttp
 
-var _ Error      = internalURITooLong{}
-var _ URITooLong = internalURITooLong{}
+var _ Error       = internalURITooLong{}
+var _ ClientError = internalURITooLong{}
+var _ URITooLong  = internalURITooLong{}
 
 var ErrURITooLong error = URITooLongWrap(nil)
 

variantaisonegotiates.go

@@ -1,6 +1,7 @@
 package errhttp
 
 var _ Error                 = internalVariantAlsoNegotiates{}
+var _ ServerError           = internalVariantAlsoNegotiates{}
 var _ VariantAlsoNegotiates = internalVariantAlsoNegotiates{}
 
 var ErrVariantAlsoNegotiates error = VariantAlsoNegotiatesWrap(nil)