vise/go/asm/menu_test.go

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package asm
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import (
"testing"
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"git.defalsify.org/festive/vm"
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)
func TestMenuInterpreter(t *testing.T) {
m := NewMenuProcessor()
err := m.Add("DOWN", "0", "inky", "foo")
if err != nil {
t.Fatal(err)
}
err = m.Add("NEXT", "1", "pinky", "")
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if err != nil {
t.Fatal(err)
}
err = m.Add("PREVIOUS", "2", "blinky clyde", "")
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if err != nil {
t.Fatal(err)
}
err = m.Add("UP", "99", "tinky-winky", "")
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if err != nil {
t.Fatal(err)
}
err = m.Add("BOGUS", "42", "lala poo", "plugh")
if err == nil {
t.Errorf("expected error on invalid menu item 'BOGUS'")
}
b := m.ToLines()
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r, err := vm.ToString(b)
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if err != nil {
t.Fatal(err)
}
expect := `MOUT 0 "inky"
MNEXT 1 "pinky"
MPREV 2 "blinky clyde"
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MOUT 99 "tinky-winky"
HALT
INCMP 0 foo
INCMP 1 >
INCMP 2 <
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INCMP 99 _
`
if r != expect {
t.Errorf("expected:\n\t%v\ngot:\n\t%v\n", expect, r)
}
}