github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/liner/input_test.go (about)

     1  // +build !windows
     2  
     3  package liner
     4  
     5  import (
     6  	"bufio"
     7  	"bytes"
     8  	"testing"
     9  )
    10  
    11  func (s *State) expectRune(t *testing.T, r rune) {
    12  	item, err := s.readNext()
    13  	if err != nil {
    14  		t.Fatalf("Expected rune '%c', got error %s\n", r, err)
    15  	}
    16  	if v, ok := item.(rune); !ok {
    17  		t.Fatalf("Expected rune '%c', got non-rune %v\n", r, v)
    18  	} else {
    19  		if v != r {
    20  			t.Fatalf("Expected rune '%c', got rune '%c'\n", r, v)
    21  		}
    22  	}
    23  }
    24  
    25  func (s *State) expectAction(t *testing.T, a action) {
    26  	item, err := s.readNext()
    27  	if err != nil {
    28  		t.Fatalf("Expected Action %d, got error %s\n", a, err)
    29  	}
    30  	if v, ok := item.(action); !ok {
    31  		t.Fatalf("Expected Action %d, got non-Action %v\n", a, v)
    32  	} else {
    33  		if v != a {
    34  			t.Fatalf("Expected Action %d, got Action %d\n", a, v)
    35  		}
    36  	}
    37  }
    38  
    39  func TestTypes(t *testing.T) {
    40  	input := []byte{'A', 27, 'B', 27, 91, 68, 27, '[', '1', ';', '5', 'D', 'e'}
    41  	var s State
    42  	s.r = bufio.NewReader(bytes.NewBuffer(input))
    43  
    44  	next := make(chan nexter)
    45  	go func() {
    46  		for {
    47  			var n nexter
    48  			n.r, _, n.err = s.r.ReadRune()
    49  			next <- n
    50  		}
    51  	}()
    52  	s.next = next
    53  
    54  	s.expectRune(t, 'A')
    55  	s.expectRune(t, 27)
    56  	s.expectRune(t, 'B')
    57  	s.expectAction(t, left)
    58  	s.expectAction(t, wordLeft)
    59  
    60  	s.expectRune(t, 'e')
    61  }