go-vise

Constrained Size Output Virtual Machine
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menu_test.go (863B)

      1 package asm
      2 
      3 import (
      4 	"testing"
      5 
      6 	"git.defalsify.org/vise.git/vm"
      7 )
      8 
      9 
     10 func TestMenuInterpreter(t *testing.T) {
     11 	m := NewMenuProcessor()
     12 	err := m.Add("DOWN", "0", "inky", "foo")
     13 	if err != nil {
     14 		t.Fatal(err)
     15 	}
     16 	err = m.Add("NEXT", "1", "pinky", "")
     17 	if err != nil {
     18 		t.Fatal(err)
     19 	}
     20 	err = m.Add("PREVIOUS", "2", "blinkyclyde", "")
     21 	if err != nil {
     22 		t.Fatal(err)
     23 	}
     24 	err = m.Add("UP", "99", "tinky_winky", "")
     25 	if err != nil {
     26 		t.Fatal(err)
     27 	}
     28 	err = m.Add("BOGUS", "42", "lala poo", "plugh")
     29 	if err == nil {
     30 		t.Errorf("expected error on invalid menu item 'BOGUS'")
     31 	}
     32 	b := m.ToLines()
     33 	r, err := vm.ToString(b)
     34 	if err != nil {
     35 		t.Fatal(err)
     36 	}
     37 	expect := `MOUT inky 0
     38 MNEXT pinky 1
     39 MPREV blinkyclyde 2
     40 MOUT tinky_winky 99
     41 HALT
     42 INCMP foo 0
     43 INCMP > 1
     44 INCMP < 2
     45 INCMP _ 99
     46 `
     47 	if r != expect {
     48 		t.Errorf("expected:\n\t%v\ngot:\n\t%v\n", expect, r)
     49 	}
     50 }