github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/config/keys_test.go (about)

     1  // Copyright 2015 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package config_test
    12  
    13  import (
    14  	"bytes"
    15  	"testing"
    16  
    17  	"github.com/cockroachdb/cockroach/pkg/config"
    18  	"github.com/cockroachdb/cockroach/pkg/keys"
    19  	"github.com/cockroachdb/cockroach/pkg/roachpb"
    20  	"github.com/cockroachdb/cockroach/pkg/testutils"
    21  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    22  )
    23  
    24  func TestDecodeObjectID(t *testing.T) {
    25  	defer leaktest.AfterTest(t)()
    26  
    27  	testCases := []struct {
    28  		key       roachpb.RKey
    29  		keySuffix []byte
    30  		success   bool
    31  		id        uint32
    32  	}{
    33  		// Before the structured span.
    34  		{roachpb.RKeyMin, nil, false, 0},
    35  
    36  		// Boundaries of structured span.
    37  		{roachpb.RKeyMax, nil, false, 0},
    38  
    39  		// Valid, even if there are things after the ID.
    40  		{testutils.MakeKey(keys.SystemSQLCodec.TablePrefix(42), roachpb.RKey("\xff")), []byte{'\xff'}, true, 42},
    41  		{roachpb.RKey(keys.SystemSQLCodec.TablePrefix(0)), []byte{}, true, 0},
    42  		{roachpb.RKey(keys.SystemSQLCodec.TablePrefix(999)), []byte{}, true, 999},
    43  	}
    44  
    45  	for tcNum, tc := range testCases {
    46  		id, keySuffix, success := config.DecodeObjectID(tc.key)
    47  		if success != tc.success {
    48  			t.Errorf("#%d: expected success=%t", tcNum, tc.success)
    49  			continue
    50  		}
    51  		if id != tc.id {
    52  			t.Errorf("#%d: expected id=%d, got %d", tcNum, tc.id, id)
    53  		}
    54  		if !bytes.Equal(keySuffix, tc.keySuffix) {
    55  			t.Errorf("#%d: expected suffix=%q, got %q", tcNum, tc.keySuffix, keySuffix)
    56  		}
    57  	}
    58  }