Adding upstream version 2.52.6.

Signed-off-by: Daniel Baumann <daniel@debian.org>

error_test.go

@@ -0,0 +1,76 @@
+package fiber
+
+import (
+	"encoding/json"
+	"errors"
+	"testing"
+
+	"github.com/gofiber/fiber/v2/internal/schema"
+	"github.com/gofiber/fiber/v2/utils"
+)
+
+func TestConversionError(t *testing.T) {
+	t.Parallel()
+	ok := errors.As(ConversionError{}, &schema.ConversionError{})
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestUnknownKeyError(t *testing.T) {
+	t.Parallel()
+	ok := errors.As(UnknownKeyError{}, &schema.UnknownKeyError{})
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestEmptyFieldError(t *testing.T) {
+	t.Parallel()
+	ok := errors.As(EmptyFieldError{}, &schema.EmptyFieldError{})
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestMultiError(t *testing.T) {
+	t.Parallel()
+	ok := errors.As(MultiError{}, &schema.MultiError{})
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestInvalidUnmarshalError(t *testing.T) {
+	t.Parallel()
+	var e *json.InvalidUnmarshalError
+	ok := errors.As(&InvalidUnmarshalError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestMarshalerError(t *testing.T) {
+	t.Parallel()
+	var e *json.MarshalerError
+	ok := errors.As(&MarshalerError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestSyntaxError(t *testing.T) {
+	t.Parallel()
+	var e *json.SyntaxError
+	ok := errors.As(&SyntaxError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestUnmarshalTypeError(t *testing.T) {
+	t.Parallel()
+	var e *json.UnmarshalTypeError
+	ok := errors.As(&UnmarshalTypeError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestUnsupportedTypeError(t *testing.T) {
+	t.Parallel()
+	var e *json.UnsupportedTypeError
+	ok := errors.As(&UnsupportedTypeError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}
+
+func TestUnsupportedValeError(t *testing.T) {
+	t.Parallel()
+	var e *json.UnsupportedValueError
+	ok := errors.As(&UnsupportedValueError{}, &e)
+	utils.AssertEqual(t, true, ok)
+}