1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package obj 6 7 import ( 8 "cmd/internal/src" 9 "fmt" 10 "testing" 11 ) 12 13 func TestLinkgetlineFromPos(t *testing.T) { 14 ctxt := new(Link) 15 ctxt.hash = make(map[string]*LSym) 16 ctxt.statichash = make(map[string]*LSym) 17 18 afile := src.NewFileBase("a.go", "a.go") 19 bfile := src.NewFileBase("b.go", "/foo/bar/b.go") 20 lfile := src.NewLinePragmaBase(src.MakePos(afile, 7, 0), "linedir", "linedir", 100) 21 22 var tests = []struct { 23 pos src.Pos 24 want string 25 }{ 26 {src.NoPos, "??:0"}, 27 {src.MakePos(afile, 1, 0), "a.go:1"}, 28 {src.MakePos(afile, 2, 0), "a.go:2"}, 29 {src.MakePos(bfile, 10, 4), "/foo/bar/b.go:10"}, 30 {src.MakePos(lfile, 10, 0), "linedir:102"}, // 102 == 100 + (10 - (7+1)) 31 } 32 33 for _, test := range tests { 34 f, l := linkgetlineFromPos(ctxt, ctxt.PosTable.XPos(test.pos)) 35 got := fmt.Sprintf("%s:%d", f, l) 36 if got != src.FileSymPrefix+test.want { 37 t.Errorf("linkgetline(%v) = %q, want %q", test.pos, got, test.want) 38 } 39 } 40 } 41
