blob: e0db7f3420ff1af8aa33770835426b43b456835f [file] [log] [blame]
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package obj
import (
"cmd/internal/src"
"fmt"
"testing"
)
func TestLinkgetlineFromPos(t *testing.T) {
ctxt := new(Link)
ctxt.hash = make(map[string]*LSym)
ctxt.statichash = make(map[string]*LSym)
afile := src.NewFileBase("a.go", "a.go")
bfile := src.NewFileBase("b.go", "/foo/bar/b.go")
lfile := src.NewLinePragmaBase(src.MakePos(afile, 8, 1), "linedir", "linedir", 100, 1)
var tests = []struct {
pos src.Pos
want string
}{
{src.NoPos, "??:0"},
{src.MakePos(afile, 1, 0), "a.go:1"},
{src.MakePos(afile, 2, 0), "a.go:2"},
{src.MakePos(bfile, 10, 4), "/foo/bar/b.go:10"},
{src.MakePos(lfile, 10, 0), "linedir:102"}, // 102 == 100 + (10 - (7+1))
}
for _, test := range tests {
f, l := linkgetlineFromPos(ctxt, ctxt.PosTable.XPos(test.pos))
got := fmt.Sprintf("%s:%d", f, l)
if got != src.FileSymPrefix+test.want {
t.Errorf("linkgetline(%v) = %q, want %q", test.pos, got, test.want)
}
}
}