storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/pkg/s3select/internal/parquet-go/encoding/common_test.go (about)

     1  /*
     2   * Minio Cloud Storage, (C) 2019 Minio, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package encoding
    18  
    19  import (
    20  	"math"
    21  	"reflect"
    22  	"testing"
    23  )
    24  
    25  func TestVarIntToBytes(t *testing.T) {
    26  	testCases := []struct {
    27  		ui64           uint64
    28  		expectedResult []byte
    29  	}{
    30  		{0, []byte{0}},
    31  		{1, []byte{1}},
    32  		{0x7F, []byte{127}},
    33  		{0x80, []byte{128, 1}},
    34  		{uint64(math.MaxUint64), []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 1}},
    35  	}
    36  
    37  	for i, testCase := range testCases {
    38  		result := varIntEncode(testCase.ui64)
    39  		if !reflect.DeepEqual(result, testCase.expectedResult) {
    40  			t.Fatalf("case %v: expected: %v, got: %v", i+1, testCase.expectedResult, result)
    41  		}
    42  	}
    43  }