github.com/sacloud/libsacloud/v2@v2.32.3/pkg/size/size_test.go (about)

     1  // Copyright 2016-2022 The Libsacloud Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package size
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func TestSizeFunctions(t *testing.T) {
    24  	cases := []struct {
    25  		msg string
    26  		f   func(int) int
    27  		in  int
    28  		out int
    29  	}{
    30  		{
    31  			msg: "MiBToGiB",
    32  			f:   MiBToGiB,
    33  			in:  1024,
    34  			out: 1,
    35  		},
    36  		{
    37  			msg: "MiBToGiB",
    38  			f:   MiBToGiB,
    39  			in:  51200,
    40  			out: 50,
    41  		},
    42  		{
    43  			msg: "MiBToGiB",
    44  			f:   MiBToGiB,
    45  			in:  102400,
    46  			out: 100,
    47  		},
    48  		{
    49  			msg: "ToGiB with Zero",
    50  			f:   MiBToGiB,
    51  			in:  0,
    52  			out: 0,
    53  		},
    54  		{
    55  			msg: "GiBToMiB",
    56  			f:   GiBToMiB,
    57  			in:  1,
    58  			out: 1024,
    59  		},
    60  		{
    61  			msg: "GiBToMiB",
    62  			f:   GiBToMiB,
    63  			in:  100,
    64  			out: 102400,
    65  		},
    66  		{
    67  			msg: "GiBToMiB with Zero",
    68  			f:   GiBToMiB,
    69  			in:  0,
    70  			out: 0,
    71  		},
    72  	}
    73  
    74  	for _, tt := range cases {
    75  		got := tt.f(tt.in)
    76  		require.Equal(t, tt.out, got, "%s returns unexpected value: expect: %v actual:", tt.msg, tt.out, got)
    77  	}
    78  }