github.com/elves/elvish@v0.15.0/pkg/eval/vars/ptr_test.go (about)

     1  package vars
     2  
     3  import "testing"
     4  
     5  func TestFromPtr(t *testing.T) {
     6  	i := 10
     7  	variable := FromPtr(&i)
     8  	if g := variable.Get(); g != "10" {
     9  		t.Errorf(`Getting ptrVariable returns %v, want "10"`, g)
    10  	}
    11  	if g := variable.GetRaw(); g != 10 {
    12  		t.Errorf("GetRaw -> %v, want 10", g)
    13  	}
    14  	err := variable.Set("20")
    15  	if err != nil {
    16  		t.Errorf(`Setting ptrVariable with "20" returns error %v`, err)
    17  	}
    18  	if i != 20 {
    19  		t.Errorf(`Setting ptrVariable didn't change underlying value`)
    20  	}
    21  	err = variable.Set("x")
    22  	if err == nil {
    23  		t.Errorf("Setting ptrVariable with incompatible value returns no error")
    24  	}
    25  }
    26  
    27  func TestFromInit(t *testing.T) {
    28  	v := FromInit(true)
    29  	if val := v.Get(); val != true {
    30  		t.Errorf("Get returned %v, want true", val)
    31  	}
    32  	if err := v.Set("233"); err != nil {
    33  		t.Errorf("Set errors: %v", err)
    34  	}
    35  	if val := v.Get(); val != "233" {
    36  		t.Errorf(`Get returns %v, want "233"`, val)
    37  	}
    38  }