crypto/x509,embed: use slices to clean up tests

Replace reflect.DeepEqual with slices.Equal, which is much faster.

Change-Id: Ia93cc153d1f71ce92656129843be8dadcefbbca3
GitHub-Last-Rev: 0af0cc4205
GitHub-Pull-Request: golang/go#67610
Reviewed-on: https://go-review.googlesource.com/c/go/+/587817
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Commit-Queue: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>

src/crypto/x509/root_unix_test.go

@@ -11,7 +11,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
-	"reflect"
+	"slices"
 	"strings"
 	"testing"
 )
@@ -222,7 +222,7 @@ func TestReadUniqueDirectoryEntries(t *testing.T) {
 		gotNames = append(gotNames, fi.Name())
 	}
 	wantNames := []string{"file", "link-out"}
-	if !reflect.DeepEqual(gotNames, wantNames) {
+	if !slices.Equal(gotNames, wantNames) {
 		t.Errorf("got %q; want %q", gotNames, wantNames)
 	}
 }

src/crypto/x509/verify_test.go

@@ -17,7 +17,6 @@ import (
 	"internal/testenv"
 	"math/big"
 	"os/exec"
-	"reflect"
 	"runtime"
 	"slices"
 	"strconv"
@@ -2595,7 +2594,7 @@ func TestPathBuilding(t *testing.T) {
 				return
 			}
 			gotChains := chainsToStrings(chains)
-			if !reflect.DeepEqual(gotChains, tc.expectedChains) {
+			if !slices.Equal(gotChains, tc.expectedChains) {
 				t.Errorf("unexpected chains returned:\ngot:\n\t%s\nwant:\n\t%s", strings.Join(gotChains, "\n\t"), strings.Join(tc.expectedChains, "\n\t"))
 			}
 		})

src/crypto/x509/x509_test.go

@@ -783,27 +783,27 @@ func TestCreateSelfSignedCertificate(t *testing.T) {
 			t.Errorf("%s: SignatureAlgorithm wasn't copied from template. Got %v, want %v", test.name, cert.SignatureAlgorithm, test.sigAlgo)
 		}
 
-		if !reflect.DeepEqual(cert.ExtKeyUsage, testExtKeyUsage) {
+		if !slices.Equal(cert.ExtKeyUsage, testExtKeyUsage) {
 			t.Errorf("%s: extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.ExtKeyUsage, testExtKeyUsage)
 		}
 
-		if !reflect.DeepEqual(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage) {
+		if !slices.EqualFunc(cert.UnknownExtKeyUsage, testUnknownExtKeyUsage, asn1.ObjectIdentifier.Equal) {
 			t.Errorf("%s: unknown extkeyusage wasn't correctly copied from the template. Got %v, want %v", test.name, cert.UnknownExtKeyUsage, testUnknownExtKeyUsage)
 		}
 
-		if !reflect.DeepEqual(cert.OCSPServer, template.OCSPServer) {
+		if !slices.Equal(cert.OCSPServer, template.OCSPServer) {
 			t.Errorf("%s: OCSP servers differ from template. Got %v, want %v", test.name, cert.OCSPServer, template.OCSPServer)
 		}
 
-		if !reflect.DeepEqual(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
+		if !slices.Equal(cert.IssuingCertificateURL, template.IssuingCertificateURL) {
 			t.Errorf("%s: Issuing certificate URLs differ from template. Got %v, want %v", test.name, cert.IssuingCertificateURL, template.IssuingCertificateURL)
 		}
 
-		if !reflect.DeepEqual(cert.DNSNames, template.DNSNames) {
+		if !slices.Equal(cert.DNSNames, template.DNSNames) {
 			t.Errorf("%s: SAN DNS names differ from template. Got %v, want %v", test.name, cert.DNSNames, template.DNSNames)
 		}
 
-		if !reflect.DeepEqual(cert.EmailAddresses, template.EmailAddresses) {
+		if !slices.Equal(cert.EmailAddresses, template.EmailAddresses) {
 			t.Errorf("%s: SAN emails differ from template. Got %v, want %v", test.name, cert.EmailAddresses, template.EmailAddresses)
 		}
 
@@ -811,11 +811,11 @@ func TestCreateSelfSignedCertificate(t *testing.T) {
 			t.Errorf("%s: URIs differ from template. Got %v, want %v", test.name, cert.URIs, template.URIs)
 		}
 
-		if !reflect.DeepEqual(cert.IPAddresses, template.IPAddresses) {
+		if !slices.EqualFunc(cert.IPAddresses, template.IPAddresses, net.IP.Equal) {
 			t.Errorf("%s: SAN IPs differ from template. Got %v, want %v", test.name, cert.IPAddresses, template.IPAddresses)
 		}
 
-		if !reflect.DeepEqual(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
+		if !slices.Equal(cert.CRLDistributionPoints, template.CRLDistributionPoints) {
 			t.Errorf("%s: CRL distribution points differ from template. Got %v, want %v", test.name, cert.CRLDistributionPoints, template.CRLDistributionPoints)
 		}
 
@@ -2405,7 +2405,7 @@ func TestMultipleURLsInCRLDP(t *testing.T) {
 		"http://epscd.catcert.net/crl/ec-acc.crl",
 		"http://epscd2.catcert.net/crl/ec-acc.crl",
 	}
-	if got := cert.CRLDistributionPoints; !reflect.DeepEqual(got, want) {
+	if got := cert.CRLDistributionPoints; !slices.Equal(got, want) {
 		t.Errorf("CRL distribution points = %#v, want #%v", got, want)
 	}
 }
@@ -3231,10 +3231,10 @@ func TestCertificateRequestRoundtripFields(t *testing.T) {
 	}
 	out := marshalAndParseCSR(t, in)
 
-	if !reflect.DeepEqual(in.DNSNames, out.DNSNames) {
+	if !slices.Equal(in.DNSNames, out.DNSNames) {
 		t.Fatalf("Unexpected DNSNames: got %v, want %v", out.DNSNames, in.DNSNames)
 	}
-	if !reflect.DeepEqual(in.EmailAddresses, out.EmailAddresses) {
+	if !slices.Equal(in.EmailAddresses, out.EmailAddresses) {
 		t.Fatalf("Unexpected EmailAddresses: got %v, want %v", out.EmailAddresses, in.EmailAddresses)
 	}
 	if len(in.IPAddresses) != len(out.IPAddresses) ||

src/embed/internal/embedtest/embed_test.go

@@ -8,6 +8,7 @@ import (
 	"embed"
 	"io"
 	"reflect"
+	"slices"
 	"testing"
 	"testing/fstest"
 )
@@ -56,7 +57,7 @@ func testDir(t *testing.T, f embed.FS, name string, expect ...string) {
 		}
 		names = append(names, name)
 	}
-	if !reflect.DeepEqual(names, expect) {
+	if !slices.Equal(names, expect) {
 		t.Errorf("readdir %v = %v, want %v", name, names, expect)
 	}
 }