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// Copyright 2009 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 dwarf_test
import (
. "debug/dwarf"
"testing"
)
func TestSplit(t *testing.T) {
// debug/dwarf doesn't (currently) support split DWARF, but
// the attributes that pointed to the split DWARF used to
// cause loading the DWARF data to fail entirely (issue
// #12592). Test that we can at least read the DWARF data.
d := elfData(t, "testdata/split.elf")
r := d.Reader()
e, err := r.Next()
if err != nil {
t.Fatal(err)
}
if e.Tag != TagCompileUnit {
t.Fatalf("bad tag: have %s, want %s", e.Tag, TagCompileUnit)
}
// Check that we were able to parse the unknown section offset
// field, even if we can't figure out its DWARF class.
const AttrGNUAddrBase Attr = 0x2133
f := e.AttrField(AttrGNUAddrBase)
if _, ok := f.Val.(int64); !ok {
t.Fatalf("bad attribute value type: have %T, want int64", f.Val)
}
if f.Class != ClassUnknown {
t.Fatalf("bad class: have %s, want %s", f.Class, ClassUnknown)
}
}
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