68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
// +build go1.9
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package stack_test
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import (
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"runtime"
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"testing"
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"github.com/go-stack/stack"
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)
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func TestCallerInlinedPanic(t *testing.T) {
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t.Parallel()
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var line int
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defer func() {
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if recover() != nil {
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var pcs [32]uintptr
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n := runtime.Callers(1, pcs[:])
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frames := runtime.CallersFrames(pcs[:n])
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// count frames to runtime.sigpanic
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panicIdx := 0
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for {
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f, more := frames.Next()
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if f.Function == "runtime.sigpanic" {
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break
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}
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panicIdx++
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if !more {
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t.Fatal("no runtime.sigpanic entry on the stack")
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}
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}
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c := stack.Caller(panicIdx)
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if got, want := c.Frame().Function, "runtime.sigpanic"; got != want {
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t.Errorf("sigpanic frame: got name == %v, want name == %v", got, want)
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}
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c1 := stack.Caller(panicIdx + 1)
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if got, want := c1.Frame().Function, "github.com/go-stack/stack_test.inlinablePanic"; got != want {
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t.Errorf("TestCallerInlinedPanic frame: got name == %v, want name == %v", got, want)
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}
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if got, want := c1.Frame().Line, line; got != want {
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t.Errorf("TestCallerInlinedPanic frame: got line == %v, want line == %v", got, want)
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}
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}
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}()
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doPanic(t, &line)
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t.Fatal("failed to panic")
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}
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func doPanic(t *testing.T, panicLine *int) {
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_, _, line, ok := runtime.Caller(0)
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*panicLine = line + 11 // adjust to match line of panic below
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if !ok {
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t.Fatal("runtime.Caller(0) failed")
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}
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inlinablePanic()
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}
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func inlinablePanic() {
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// Initiate a sigpanic.
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var x *uintptr
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_ = *x
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}
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