66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
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package stack
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import (
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"runtime"
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"testing"
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)
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func TestFindSigpanic(t *testing.T) {
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t.Parallel()
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sp := findSigpanic()
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if got, want := sp.Name(), "runtime.sigpanic"; got != want {
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t.Errorf("got == %v, want == %v", got, want)
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}
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}
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func TestCaller(t *testing.T) {
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t.Parallel()
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c := Caller(0)
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_, file, line, ok := runtime.Caller(0)
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line--
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if !ok {
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t.Fatal("runtime.Caller(0) failed")
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}
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if got, want := c.file(), file; got != want {
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t.Errorf("got file == %v, want file == %v", got, want)
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}
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if got, want := c.line(), line; got != want {
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t.Errorf("got line == %v, want line == %v", got, want)
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}
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}
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type fholder struct {
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f func() CallStack
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}
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func (fh *fholder) labyrinth() CallStack {
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for {
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return fh.f()
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}
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panic("this line only needed for go 1.0")
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}
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func TestTrace(t *testing.T) {
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t.Parallel()
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fh := fholder{
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f: func() CallStack {
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cs := Trace()
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return cs
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},
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}
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cs := fh.labyrinth()
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lines := []int{51, 41, 56}
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for i, line := range lines {
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if got, want := cs[i].line(), line; got != want {
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t.Errorf("got line[%d] == %v, want line[%d] == %v", i, got, i, want)
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}
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}
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}
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