From 11063e2d0b3449540277a4f2c4eb62f602dd3c48 Mon Sep 17 00:00:00 2001
From: thinkerou <thinkerou@gmail.com>
Date: Fri, 9 Apr 2021 06:09:43 +0800
Subject: [PATCH] not support go1.12

---
 .travis.yml         |  2 --
 README.md           |  2 +-
 errors_1.13_test.go | 34 ----------------------------------
 errors_test.go      | 23 +++++++++++++++++++++++
 4 files changed, 24 insertions(+), 37 deletions(-)
 delete mode 100644 errors_1.13_test.go

diff --git a/.travis.yml b/.travis.yml
index 8ebae712..bcc21414 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,6 @@ language: go
 matrix:
   fast_finish: true
   include:
-  - go: 1.12.x
-    env: GO111MODULE=on
   - go: 1.13.x
   - go: 1.13.x
     env:
diff --git a/README.md b/README.md
index d4772d76..e5e3b46a 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi
 
 To install Gin package, you need to install Go and set your Go workspace first.
 
-1. The first need [Go](https://golang.org/) installed (**version 1.12+ is required**), then you can use the below Go command to install Gin.
+1. The first need [Go](https://golang.org/) installed (**version 1.13+ is required**), then you can use the below Go command to install Gin.
 
 ```sh
 $ go get -u github.com/gin-gonic/gin
diff --git a/errors_1.13_test.go b/errors_1.13_test.go
deleted file mode 100644
index 5fb6057b..00000000
--- a/errors_1.13_test.go
+++ /dev/null
@@ -1,34 +0,0 @@
-//go:build go1.13
-// +build go1.13
-
-package gin
-
-import (
-	"errors"
-	"fmt"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-type TestErr string
-
-func (e TestErr) Error() string { return string(e) }
-
-// TestErrorUnwrap tests the behavior of gin.Error with "errors.Is()" and "errors.As()".
-// "errors.Is()" and "errors.As()" have been added to the standard library in go 1.13,
-// hence the "// +build go1.13" directive at the beginning of this file.
-func TestErrorUnwrap(t *testing.T) {
-	innerErr := TestErr("somme error")
-
-	// 2 layers of wrapping : use 'fmt.Errorf("%w")' to wrap a gin.Error{}, which itself wraps innerErr
-	err := fmt.Errorf("wrapped: %w", &Error{
-		Err:  innerErr,
-		Type: ErrorTypeAny,
-	})
-
-	// check that 'errors.Is()' and 'errors.As()' behave as expected :
-	assert.True(t, errors.Is(err, innerErr))
-	var testErr TestErr
-	assert.True(t, errors.As(err, &testErr))
-}
diff --git a/errors_test.go b/errors_test.go
index 6aae1c10..73871675 100644
--- a/errors_test.go
+++ b/errors_test.go
@@ -6,6 +6,7 @@ package gin
 
 import (
 	"errors"
+	"fmt"
 	"testing"
 
 	"github.com/gin-gonic/gin/internal/json"
@@ -104,3 +105,25 @@ Error #03: third
 	assert.Nil(t, errs.JSON())
 	assert.Empty(t, errs.String())
 }
+
+type TestErr string
+
+func (e TestErr) Error() string { return string(e) }
+
+// TestErrorUnwrap tests the behavior of gin.Error with "errors.Is()" and "errors.As()".
+// "errors.Is()" and "errors.As()" have been added to the standard library in go 1.13,
+// hence the "// +build go1.13" directive at the beginning of this file.
+func TestErrorUnwrap(t *testing.T) {
+	innerErr := TestErr("somme error")
+
+	// 2 layers of wrapping : use 'fmt.Errorf("%w")' to wrap a gin.Error{}, which itself wraps innerErr
+	err := fmt.Errorf("wrapped: %w", &Error{
+		Err:  innerErr,
+		Type: ErrorTypeAny,
+	})
+
+	// check that 'errors.Is()' and 'errors.As()' behave as expected :
+	assert.True(t, errors.Is(err, innerErr))
+	var testErr TestErr
+	assert.True(t, errors.As(err, &testErr))
+}