diff options
Diffstat (limited to 'src/runtime/symtab_test.go')
-rw-r--r-- | src/runtime/symtab_test.go | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/runtime/symtab_test.go b/src/runtime/symtab_test.go new file mode 100644 index 000000000..bd9fe18c4 --- /dev/null +++ b/src/runtime/symtab_test.go @@ -0,0 +1,47 @@ +// 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 runtime_test + +import ( + "runtime" + "strings" + "testing" +) + +func TestCaller(t *testing.T) { + procs := runtime.GOMAXPROCS(-1) + c := make(chan bool, procs) + for p := 0; p < procs; p++ { + go func() { + for i := 0; i < 1000; i++ { + testCallerFoo(t) + } + c <- true + }() + defer func() { + <-c + }() + } +} + +func testCallerFoo(t *testing.T) { + testCallerBar(t) +} + +func testCallerBar(t *testing.T) { + for i := 0; i < 2; i++ { + pc, file, line, ok := runtime.Caller(i) + f := runtime.FuncForPC(pc) + if !ok || + !strings.HasSuffix(file, "symtab_test.go") || + (i == 0 && !strings.HasSuffix(f.Name(), "testCallerBar")) || + (i == 1 && !strings.HasSuffix(f.Name(), "testCallerFoo")) || + line < 5 || line > 1000 || + f.Entry() >= pc { + t.Errorf("incorrect symbol info %d: %t %d %d %s %s %d", + i, ok, f.Entry(), pc, f.Name(), file, line) + } + } +} |