Files
tidb/util/slice/slice_test.go

62 lines
1.5 KiB
Go

// Copyright 2021 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package slice
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestSlice(t *testing.T) {
tests := []struct {
a []int
anyOf bool
noneOf bool
allOf bool
}{
{[]int{}, false, true, true},
{[]int{1, 2, 3}, true, false, false},
{[]int{1, 3}, false, true, false},
{[]int{2, 2, 4}, true, false, true},
}
for _, test := range tests {
t.Run(fmt.Sprint(test.a), func(t *testing.T) {
even := func(i int) bool { return test.a[i]%2 == 0 }
require.Equal(t, test.anyOf, AnyOf(test.a, even))
require.Equal(t, test.noneOf, NoneOf(test.a, even))
require.Equal(t, test.allOf, AllOf(test.a, even))
})
}
}
func TestCopy(t *testing.T) {
type T int
v0, v1, v2, v3 := T(0), T(1), T(2), T(3)
s := []*T{&v0, &v1, &v2, &v3, nil}
e := Copy(s)
require.Equal(t, len(s), len(e))
for i := range s {
if s[i] == nil {
require.Nil(t, e[i])
} else {
require.Equal(t, *s[i], *e[i])
require.True(t, s[i] != e[i])
}
}
}