1// Copyright 2016 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 5package gosym 6 7import ( 8 "fmt" 9 "testing" 10) 11 12func assertString(t *testing.T, dsc, out, tgt string) { 13 if out != tgt { 14 t.Fatalf("Expected: %q Actual: %q for %s", tgt, out, dsc) 15 } 16} 17 18func TestStandardLibPackage(t *testing.T) { 19 s1 := Sym{Name: "io.(*LimitedReader).Read"} 20 s2 := Sym{Name: "io.NewSectionReader"} 21 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "io") 22 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "io") 23 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LimitedReader)") 24 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "") 25} 26 27func TestStandardLibPathPackage(t *testing.T) { 28 s1 := Sym{Name: "debug/gosym.(*LineTable).PCToLine"} 29 s2 := Sym{Name: "debug/gosym.NewTable"} 30 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "debug/gosym") 31 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "debug/gosym") 32 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LineTable)") 33 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "") 34} 35 36func TestGenericNames(t *testing.T) { 37 s1 := Sym{Name: "main.set[int]"} 38 s2 := Sym{Name: "main.(*value[int]).get"} 39 s3 := Sym{Name: "a/b.absDifference[c/d.orderedAbs[float64]]"} 40 s4 := Sym{Name: "main.testfunction[.shape.int]"} 41 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main") 42 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main") 43 assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "a/b") 44 assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main") 45 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "") 46 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "(*value[int])") 47 assertString(t, fmt.Sprintf("receiver of %q", s3.Name), s3.ReceiverName(), "") 48 assertString(t, fmt.Sprintf("receiver of %q", s4.Name), s4.ReceiverName(), "") 49 assertString(t, fmt.Sprintf("base of %q", s1.Name), s1.BaseName(), "set[int]") 50 assertString(t, fmt.Sprintf("base of %q", s2.Name), s2.BaseName(), "get") 51 assertString(t, fmt.Sprintf("base of %q", s3.Name), s3.BaseName(), "absDifference[c/d.orderedAbs[float64]]") 52 assertString(t, fmt.Sprintf("base of %q", s4.Name), s4.BaseName(), "testfunction[.shape.int]") 53} 54 55func TestRemotePackage(t *testing.T) { 56 s1 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.(*FlagSet).PrintDefaults"} 57 s2 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.PrintDefaults"} 58 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "github.com/docker/doc.ker/pkg/mflag") 59 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "github.com/docker/doc.ker/pkg/mflag") 60 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*FlagSet)") 61 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "") 62} 63 64func TestIssue29551(t *testing.T) { 65 tests := []struct { 66 sym Sym 67 pkgName string 68 }{ 69 {Sym{goVersion: ver120, Name: "type:.eq.[9]debug/elf.intName"}, ""}, 70 {Sym{goVersion: ver120, Name: "type:.hash.debug/elf.ProgHeader"}, ""}, 71 {Sym{goVersion: ver120, Name: "type:.eq.runtime._panic"}, ""}, 72 {Sym{goVersion: ver120, Name: "type:.hash.struct { runtime.gList; runtime.n int32 }"}, ""}, 73 {Sym{goVersion: ver120, Name: "go:(*struct { sync.Mutex; math/big.table [64]math/big"}, ""}, 74 {Sym{goVersion: ver120, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, "go.uber.org/zap/buffer"}, 75 {Sym{goVersion: ver118, Name: "type..eq.[9]debug/elf.intName"}, ""}, 76 {Sym{goVersion: ver118, Name: "type..hash.debug/elf.ProgHeader"}, ""}, 77 {Sym{goVersion: ver118, Name: "type..eq.runtime._panic"}, ""}, 78 {Sym{goVersion: ver118, Name: "type..hash.struct { runtime.gList; runtime.n int32 }"}, ""}, 79 {Sym{goVersion: ver118, Name: "go.(*struct { sync.Mutex; math/big.table [64]math/big"}, ""}, 80 // unfortunate 81 {Sym{goVersion: ver118, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, ""}, 82 } 83 84 for _, tc := range tests { 85 assertString(t, fmt.Sprintf("package of %q", tc.sym.Name), tc.sym.PackageName(), tc.pkgName) 86 } 87} 88