github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/workload/workloadsql/sliceslice_test.go (about)

     1  // Copyright 2017 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 workloadsql
    12  
    13  import (
    14  	"math/rand"
    15  	"reflect"
    16  	"sort"
    17  	"testing"
    18  
    19  	"github.com/cockroachdb/cockroach/pkg/util/leaktest"
    20  )
    21  
    22  func TestSliceSliceInterfaceSort(t *testing.T) {
    23  	defer leaktest.AfterTest(t)()
    24  
    25  	sorted := [][]interface{}{
    26  		{},
    27  		{``},
    28  		{`a`},
    29  		{`a`, -9223372036854775808},
    30  		{`a`, 2},
    31  		{`a`, 12},
    32  		{`b`},
    33  	}
    34  
    35  	// Create a shuffled version of sorted.
    36  	actual := make([][]interface{}, len(sorted))
    37  	for i, v := range rand.Perm(len(actual)) {
    38  		actual[v] = sorted[i]
    39  	}
    40  
    41  	sort.Sort(sliceSliceInterface(actual))
    42  	if !reflect.DeepEqual(actual, sorted) {
    43  		t.Fatalf(`got %v expected %v`, actual, sorted)
    44  	}
    45  }