github.com/dolthub/dolt/go@v0.40.5-0.20240520175717-68db7794bea6/libraries/utils/valutil/values_test.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     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 valutil
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/dolthub/dolt/go/store/types"
    21  )
    22  
    23  func TestNilSafeEqCheck(t *testing.T) {
    24  	tests := []struct {
    25  		v1         types.Value
    26  		v2         types.Value
    27  		expectedEq bool
    28  	}{
    29  		{nil, nil, true},
    30  		{nil, types.NullValue, true},
    31  		{nil, types.String("blah"), false},
    32  		{types.NullValue, types.String("blah"), false},
    33  		{types.String("blah"), types.String("blah"), true},
    34  	}
    35  
    36  	for i, test := range tests {
    37  		actual := NilSafeEqCheck(test.v1, test.v2)
    38  
    39  		if actual != test.expectedEq {
    40  			t.Error("test", i, "failed")
    41  		}
    42  	}
    43  }