You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: equal_test.go
    path of file: ./repos/gccrs/libgo/go/crypto/ecdsa
    
    the code of the file until where you have to start completion: // Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package ecdsa_test

import (
	"crypto"
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"crypto/x509"
	"testing"
)

func testEqual(t *testing.T, c elliptic.Curve) {
	private, _ := ecdsa.GenerateKey(c, rand.Reader)
	public := &private.PublicKey

	if !public.Equal(public) {
		t.Errorf("public key is not equal to itself: %v", public)
	}
	if !public.Equal(crypto.Signer(private).Public().(*ecdsa.PublicKey)) {
		t.Errorf("private.Public() is not Equal to public: %q", public)
	}
	if !private.Equal(private) {
		t.Errorf("private key is not equal to itself: %v", private)
	}

	enc, err := x509.MarshalPKCS8PrivateKey(private)
	if err != nil {
		t.Fatal(err)
	}
	decoded, err := x509.ParsePKCS8PrivateKey(enc)
	if err != nil {
		t.Fatal(err)
	}
	if !public.Equal(decoded.(crypto.Signer).Public()) {
		t.Errorf("public key is not equal to itself after decoding: %v", pu
    
func testEqual(t *testing.T, c elliptic.Curve) {
	private, _ := ecdsa.GenerateKey(c, rand.Reader)
	public := &private.PublicKey

	if !public.Equal(public) {
		t.Errorf("public key is not equal to itself: %v", public)
	}
	if !public.Equal(crypto.Signer(private).Public().(*ecdsa.PublicKey)) {
		t.Errorf("private.Public() is not Equal to public: %q", public)
	}
	if !private.Equal(private) {
		t.Errorf("private key is not equal to itself: %v", private)
	}

	enc, err := x509.MarshalPKCS8PrivateKey(private)
	if err != nil {
		t.Fatal(err)
	}
	decoded, err := x509.ParsePKCS8PrivateKey(enc)
	if err != nil {
		t.Fatal(err)
	}
	if !public.Equal(decoded.(crypto.Signer).Public()) {
		t.Errorf("public key is not equal to itself after decoding: %v", public)
	}
	if !private.Equal(decoded) {
		t.Errorf("private key is not equal to itself after decoding: %v", private)
	}

	other, _ := ecdsa.GenerateKey(c, rand.Reader)
	if public.Equal(other.Public()) {
		t.Errorf("different public keys are Equal")
	}
	if private.Equal(other) {
		t.Errorf("different private keys are Equal")
	}

	// Ensure that keys with the same coordinates but on different curves
	// aren't considered Equal.
	differentCurve := &ecdsa.PublicKey{}
	*differentCurve = *public // make a copy of the public key
	if differentCurve.Curve == elliptic.P256() {
		differentCurve.Curve = elliptic.P224()
	} else {
		differentCurve.Curve = elliptic.P256()
	}
	if public.Equal(differentCurve) {
		t.Errorf("public keys with different curves are Equal")
	}
}