go.mway.dev/x@v0.0.0-20240520034138-950aede9a3fb/ptr/ptr_test.go (about)

     1  // Copyright (c) 2022 Matt Way
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to
     5  // deal in the Software without restriction, including without limitation the
     6  // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     7  // sell copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    18  // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
    19  // IN THE THE SOFTWARE.
    20  
    21  package ptr_test
    22  
    23  import (
    24  	"bytes"
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/require"
    28  	"go.mway.dev/x/ptr"
    29  )
    30  
    31  func TestOf(t *testing.T) {
    32  	t.Run("int", func(t *testing.T) {
    33  		expect := int(123)
    34  		require.Equal(t, expect, *ptr.Of(expect))
    35  	})
    36  
    37  	t.Run("uint", func(t *testing.T) {
    38  		expect := uint(123)
    39  		require.Equal(t, expect, *ptr.Of(expect))
    40  	})
    41  
    42  	t.Run("struct", func(t *testing.T) {
    43  		expect := struct {
    44  			value string
    45  		}{
    46  			value: t.Name(),
    47  		}
    48  		require.Equal(t, expect, *ptr.Of(expect))
    49  	})
    50  
    51  	t.Run("pointer", func(t *testing.T) {
    52  		expect := bytes.NewBuffer(nil)
    53  		require.Equal(t, expect, *ptr.Of(expect))
    54  	})
    55  }
    56  
    57  func TestFrom(t *testing.T) {
    58  	require.Equal(t, int(123), ptr.From(ptr.Of(int(123)), 0))
    59  	require.Equal(t, int(123), ptr.From(nil, int(123)))
    60  }