50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
|
// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
|
||
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
|
||
|
|
package token
|
||
|
|
|
||
|
|
import "testing"
|
||
|
|
|
||
|
|
func TestKindString(t *testing.T) {
|
||
|
|
cases := map[Kind]string{
|
||
|
|
EOF: "EOF",
|
||
|
|
Ident: "IDENT",
|
||
|
|
Number: "NUMBER",
|
||
|
|
LParen: "(",
|
||
|
|
LShift: "<<",
|
||
|
|
Arrow: "->",
|
||
|
|
Illegal: "ILLEGAL",
|
||
|
|
}
|
||
|
|
for k, want := range cases {
|
||
|
|
if got := k.String(); got != want {
|
||
|
|
t.Errorf("Kind(%d).String() = %q, want %q", int(k), got, want)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// An out-of-range kind falls back to the numeric form.
|
||
|
|
if got := Kind(9999).String(); got != "Kind(9999)" {
|
||
|
|
t.Errorf("Kind(9999).String() = %q", got)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPosition(t *testing.T) {
|
||
|
|
p := Position{Offset: 10, Line: 3, Column: 7}
|
||
|
|
if got := p.String(); got != "3:7" {
|
||
|
|
t.Errorf("Position.String() = %q, want 3:7", got)
|
||
|
|
}
|
||
|
|
if !p.IsValid() {
|
||
|
|
t.Error("position with a line should be valid")
|
||
|
|
}
|
||
|
|
var zero Position
|
||
|
|
if zero.IsValid() {
|
||
|
|
t.Error("zero position should be invalid")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTokenString(t *testing.T) {
|
||
|
|
tok := Token{Kind: Ident, Text: "MOVQ", Pos: Position{Line: 1, Column: 2}}
|
||
|
|
got := tok.String()
|
||
|
|
if got == "" || got[0] == ' ' {
|
||
|
|
t.Errorf("Token.String() = %q", got)
|
||
|
|
}
|
||
|
|
}
|