github.com/haraldrudell/parl@v0.4.176/sets/basic-set_test.go (about)

     1  /*
     2  © 2023–present Harald Rudell <harald.rudell@gmail.com> (https://haraldrudell.github.io/haraldrudell/)
     3  ISC License
     4  */
     5  
     6  package sets
     7  
     8  import (
     9  	"strconv"
    10  	"testing"
    11  
    12  	"github.com/haraldrudell/parl/iters"
    13  )
    14  
    15  func TestBasicSet(t *testing.T) {
    16  	var value1, value2 = basics(1), basics(2)
    17  	var value1d = strconv.Itoa(int(value1))
    18  	var values = []basics{value1, value2}
    19  
    20  	var isValid, hasValue bool
    21  	var value, zeroValue basics
    22  	var iterator iters.Iterator[basics]
    23  	var full string
    24  
    25  	// IsValid() Iterator() Description() StringT() String()
    26  	var set Set[basics]
    27  	var reset = func() {
    28  		set = NewBasicSet(values)
    29  	}
    30  
    31  	// IsValid of element should return true
    32  	reset()
    33  	isValid = set.IsValid(value1)
    34  	if !isValid {
    35  		t.Error("IsValid false")
    36  	}
    37  
    38  	// IsValid of non-element should return false
    39  	reset()
    40  	isValid = set.IsValid(zeroValue)
    41  	if isValid {
    42  		t.Error("IsValid true")
    43  	}
    44  
    45  	// Iterator should iterate
    46  	reset()
    47  	iterator = set.Iterator()
    48  	value, hasValue = iterator.Next()
    49  	_ = hasValue
    50  	if value != value1 {
    51  		t.Errorf("Iterator.Next %d exp %d", value, value1)
    52  	}
    53  
    54  	// Description
    55  	reset()
    56  	full = set.Description(value1)
    57  	if full != value1d {
    58  		t.Errorf("Description %q exp %q", full, value1d)
    59  	}
    60  
    61  	// StringT
    62  	reset()
    63  	full = set.StringT(value1)
    64  	if full != value1d {
    65  		t.Errorf("StringT %q exp %q", full, value1d)
    66  	}
    67  }
    68  
    69  type basics int
    70  
    71  func (i basics) Description() (s string) { return strconv.Itoa(int(i)) }