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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) {
symNames := []string{
"type..eq.[9]debug/elf.intName",
"type..hash.debug/elf.ProgHeader",
"type..eq.runtime._panic",
"type..hash.struct { runtime.gList; runtime.n int32 }",
"go.(*struct { sync.Mutex; math/big.table [64]math/big",
}
for _, symName := range symNames {
s := Sym{Name: symName}
assertString(t, fmt.Sprintf("package of %q", s.Name), s.PackageName(), "")
}
}
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