diff options
Diffstat (limited to 'test/fixedbugs/issue29919.dir/a.go')
-rw-r--r-- | test/fixedbugs/issue29919.dir/a.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/fixedbugs/issue29919.dir/a.go b/test/fixedbugs/issue29919.dir/a.go new file mode 100644 index 0000000..3b1dac4 --- /dev/null +++ b/test/fixedbugs/issue29919.dir/a.go @@ -0,0 +1,75 @@ +// Copyright 2019 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. + +// Make sure tracebacks from initialization code are reported correctly. + +package a + +import ( + "fmt" + "runtime" + "strings" +) + +var x = f() // line 15 + +func f() int { + var b [4096]byte + n := runtime.Stack(b[:], false) // line 19 + s := string(b[:n]) + var pcs [10]uintptr + n = runtime.Callers(1, pcs[:]) // line 22 + + // Check the Stack results. + if debug { + println(s) + } + if strings.Contains(s, "autogenerated") { + panic("autogenerated code in traceback") + } + if !strings.Contains(s, "a.go:15") { + panic("missing a.go:15") + } + if !strings.Contains(s, "a.go:19") { + panic("missing a.go:19") + } + if !strings.Contains(s, "a.init") { + panic("missing a.init") + } + + // Check the CallersFrames results. + if debug { + iter := runtime.CallersFrames(pcs[:n]) + for { + f, more := iter.Next() + fmt.Printf("%s %s:%d\n", f.Function, f.File, f.Line) + if !more { + break + } + } + } + iter := runtime.CallersFrames(pcs[:n]) + f, more := iter.Next() + if f.Function != "test/a.f" || !strings.HasSuffix(f.File, "a.go") || f.Line != 22 { + panic(fmt.Sprintf("bad f %v\n", f)) + } + if !more { + panic("traceback truncated after f") + } + f, more = iter.Next() + if f.Function != "test/a.init" || !strings.HasSuffix(f.File, "a.go") || f.Line != 15 { + panic(fmt.Sprintf("bad init %v\n", f)) + } + if !more { + panic("traceback truncated after init") + } + f, _ = iter.Next() + if !strings.HasPrefix(f.Function, "runtime.") { + panic("runtime. driver missing") + } + + return 0 +} + +const debug = false |