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// Copyright 2016 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 gosym
import (
"fmt"
"testing"
)
func assertString(t *testing.T, dsc, out, tgt string) {
if out != tgt {
t.Fatalf("Expected: %q Actual: %q for %s", tgt, out, dsc)
}
}
func TestStandardLibPackage(t *testing.T) {
s1 := Sym{Name: "io.(*LimitedReader).Read"}
s2 := Sym{Name: "io.NewSectionReader"}
assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "io")
assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "io")
assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LimitedReader)")
assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
}
func TestStandardLibPathPackage(t *testing.T) {
s1 := Sym{Name: "debug/gosym.(*LineTable).PCToLine"}
s2 := Sym{Name: "debug/gosym.NewTable"}
assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "debug/gosym")
assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "debug/gosym")
assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*LineTable)")
assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
}
func TestGenericNames(t *testing.T) {
s1 := Sym{Name: "main.set[int]"}
s2 := Sym{Name: "main.(*value[int]).get"}
s3 := Sym{Name: "a/b.absDifference[c/d.orderedAbs[float64]]"}
s4 := Sym{Name: "main.testfunction[.shape.int]"}
assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main")
assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main")
assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "a/b")
assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main")
assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "")
assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "(*value[int])")
assertString(t, fmt.Sprintf("receiver of %q", s3.Name), s3.ReceiverName(), "")
assertString(t, fmt.Sprintf("receiver of %q", s4.Name), s4.ReceiverName(), "")
assertString(t, fmt.Sprintf("base of %q", s1.Name), s1.BaseName(), "set[int]")
assertString(t, fmt.Sprintf("base of %q", s2.Name), s2.BaseName(), "get")
assertString(t, fmt.Sprintf("base of %q", s3.Name), s3.BaseName(), "absDifference[c/d.orderedAbs[float64]]")
assertString(t, fmt.Sprintf("base of %q", s4.Name), s4.BaseName(), "testfunction[.shape.int]")
}
func TestRemotePackage(t *testing.T) {
s1 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.(*FlagSet).PrintDefaults"}
s2 := Sym{Name: "github.com/docker/doc.ker/pkg/mflag.PrintDefaults"}
assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "github.com/docker/doc.ker/pkg/mflag")
assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "(*FlagSet)")
assertString(t, fmt.Sprintf("receiver of %q", s2.Name), s2.ReceiverName(), "")
}
func TestIssue29551(t *testing.T) {
tests := []struct {
sym Sym
pkgName string
}{
{Sym{goVersion: ver120, Name: "type:.eq.[9]debug/elf.intName"}, ""},
{Sym{goVersion: ver120, Name: "type:.hash.debug/elf.ProgHeader"}, ""},
{Sym{goVersion: ver120, Name: "type:.eq.runtime._panic"}, ""},
{Sym{goVersion: ver120, Name: "type:.hash.struct { runtime.gList; runtime.n int32 }"}, ""},
{Sym{goVersion: ver120, Name: "go:(*struct { sync.Mutex; math/big.table [64]math/big"}, ""},
{Sym{goVersion: ver120, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, "go.uber.org/zap/buffer"},
{Sym{goVersion: ver118, Name: "type..eq.[9]debug/elf.intName"}, ""},
{Sym{goVersion: ver118, Name: "type..hash.debug/elf.ProgHeader"}, ""},
{Sym{goVersion: ver118, Name: "type..eq.runtime._panic"}, ""},
{Sym{goVersion: ver118, Name: "type..hash.struct { runtime.gList; runtime.n int32 }"}, ""},
{Sym{goVersion: ver118, Name: "go.(*struct { sync.Mutex; math/big.table [64]math/big"}, ""},
// unfortunate
{Sym{goVersion: ver118, Name: "go.uber.org/zap/buffer.(*Buffer).AppendString"}, ""},
}
for _, tc := range tests {
assertString(t, fmt.Sprintf("package of %q", tc.sym.Name), tc.sym.PackageName(), tc.pkgName)
}
}