Source file
src/debug/gosym/symtab_test.go
1
2
3
4
5 package gosym
6
7 import (
8 "fmt"
9 "testing"
10 )
11
12 func 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
18 func TestGenericMethods(t *testing.T) {
19 s1 := Sym{Name: "main.T[go.shape.int].M[go.shape.bool]"}
20 s2 := Sym{Name: "main.(*T[go.shape.int]).M[go.shape.bool]"}
21 s3 := Sym{Name: "main.T.M[go.shape.bool]"}
22 s4 := Sym{Name: "main.(*T).M[go.shape.bool]"}
23 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main")
24 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main")
25 assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "main")
26 assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main")
27 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "T[go.shape.int]")
28 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "(*T[go.shape.int])")
29 assertString(t, fmt.Sprintf("receiver of %q", s3.Name), s3.ReceiverName(), "T")
30 assertString(t, fmt.Sprintf("receiver of %q", s4.Name), s4.ReceiverName(), "(*T)")
31 assertString(t, fmt.Sprintf("base of %q", s1.Name), s1.BaseName(), "M[go.shape.bool]")
32 assertString(t, fmt.Sprintf("base of %q", s2.Name), s2.BaseName(), "M[go.shape.bool]")
33 assertString(t, fmt.Sprintf("base of %q", s3.Name), s3.BaseName(), "M[go.shape.bool]")
34 assertString(t, fmt.Sprintf("base of %q", s4.Name), s4.BaseName(), "M[go.shape.bool]")
35 }
36
37 func TestStandardLibPackage(t *testing.T) {
38 s1 := Sym{Name: "io.(*LimitedReader).Read"}
39 s2 := Sym{Name: "io.NewSectionReader"}
40 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "io")
41 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "io")
42 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LimitedReader)")
43 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
44 }
45
46 func TestStandardLibPathPackage(t *testing.T) {
47 s1 := Sym{Name: "debug/gosym.(*LineTable).PCToLine"}
48 s2 := Sym{Name: "debug/gosym.NewTable"}
49 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "debug/gosym")
50 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "debug/gosym")
51 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LineTable)")
52 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
53 }
54
55 func TestGenericNames(t *testing.T) {
56 s1 := Sym{Name: "main.set[int]"}
57 s2 := Sym{Name: "main.(*value[int]).get"}
58 s3 := Sym{Name: "a/b.absDifference[c/d.orderedAbs[float64]]"}
59 s4 := Sym{Name: "main.testfunction[.shape.int]"}
60 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main")
61 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main")
62 assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "a/b")
63 assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main")
64 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "")
65 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "(*value[int])")
66 assertString(t, fmt.Sprintf("receiver of %q", s3.Name), s3.ReceiverName(), "")
67 assertString(t, fmt.Sprintf("receiver of %q", s4.Name), s4.ReceiverName(), "")
68 assertString(t, fmt.Sprintf("base of %q", s1.Name), s1.BaseName(), "set[int]")
69 assertString(t, fmt.Sprintf("base of %q", s2.Name), s2.BaseName(), "get")
70 assertString(t, fmt.Sprintf("base of %q", s3.Name), s3.BaseName(), "absDifference[c/d.orderedAbs[float64]]")
71 assertString(t, fmt.Sprintf("base of %q", s4.Name), s4.BaseName(), "testfunction[.shape.int]")
72 }
73
74 func TestRemotePackage(t *testing.T) {
75 s1 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.(*FlagSet).PrintDefaults"}
76 s2 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.PrintDefaults"}
77 assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
78 assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
79 assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*FlagSet)")
80 assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
81 }
82
83 func TestIssue29551(t *testing.T) {
84 tests := []struct {
85 sym Sym
86 pkgName string
87 }{
88 {Sym{goVersion: ver120, Name: "type:.eq.[9]debug/elf.intName"}, ""},
89 {Sym{goVersion: ver120, Name: "type:.hash.debug/elf.ProgHeader"}, ""},
90 {Sym{goVersion: ver120, Name: "type:.eq.runtime._panic"}, ""},
91 {Sym{goVersion: ver120, Name: "type:.hash.struct { runtime.gList; runtime.n int32 }"}, ""},
92 {Sym{goVersion: ver120, Name: "go:(*struct { sync.Mutex; math/big.table [64]math/big"}, ""},
93 {Sym{goVersion: ver120, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, "go.uber.org/zap/buffer"},
94 {Sym{goVersion: ver118, Name: "type..eq.[9]debug/elf.intName"}, ""},
95 {Sym{goVersion: ver118, Name: "type..hash.debug/elf.ProgHeader"}, ""},
96 {Sym{goVersion: ver118, Name: "type..eq.runtime._panic"}, ""},
97 {Sym{goVersion: ver118, Name: "type..hash.struct { runtime.gList; runtime.n int32 }"}, ""},
98 {Sym{goVersion: ver118, Name: "go.(*struct { sync.Mutex; math/big.table [64]math/big"}, ""},
99
100 {Sym{goVersion: ver118, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, ""},
101 }
102
103 for _, tc := range tests {
104 assertString(t, fmt.Sprintf("package of %q", tc.sym.Name), tc.sym.PackageName(), tc.pkgName)
105 }
106 }
107
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