diff options
Diffstat (limited to 'libgo/go/runtime/debug/stack_test.go')
-rw-r--r-- | libgo/go/runtime/debug/stack_test.go | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libgo/go/runtime/debug/stack_test.go b/libgo/go/runtime/debug/stack_test.go new file mode 100644 index 00000000000..f4bdc46244f --- /dev/null +++ b/libgo/go/runtime/debug/stack_test.go @@ -0,0 +1,55 @@ +// Copyright 2011 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 debug + +import ( + "strings" + "testing" +) + +type T int + +func (t *T) ptrmethod() []byte { + return Stack() +} +func (t T) method() []byte { + return t.ptrmethod() +} + +/* + The traceback should look something like this, modulo line numbers and hex constants. + Don't worry much about the base levels, but check the ones in our own package. + + /Users/r/go/src/pkg/runtime/debug/stack_test.go:15 (0x13878) + *T.ptrmethod: return Stack() + /Users/r/go/src/pkg/runtime/debug/stack_test.go:18 (0x138dd) + T.method: return t.ptrmethod() + /Users/r/go/src/pkg/runtime/debug/stack_test.go:23 (0x13920) + TestStack: b := T(0).method() + /Users/r/go/src/pkg/testing/testing.go:132 (0x14a7a) + tRunner: test.F(t) + /Users/r/go/src/pkg/runtime/proc.c:145 (0xc970) + ???: runtimeĀ·unlock(&runtimeĀ·sched); +*/ +func TestStack(t *testing.T) { + b := T(0).method() + lines := strings.Split(string(b), "\n", -1) + if len(lines) <= 6 { + t.Fatal("too few lines") + } + check(t, lines[0], "src/pkg/runtime/debug/stack_test.go") + check(t, lines[1], "\t*T.ptrmethod: return Stack()") + check(t, lines[2], "src/pkg/runtime/debug/stack_test.go") + check(t, lines[3], "\tT.method: return t.ptrmethod()") + check(t, lines[4], "src/pkg/runtime/debug/stack_test.go") + check(t, lines[5], "\tTestStack: b := T(0).method()") + check(t, lines[6], "src/pkg/testing/testing.go") +} + +func check(t *testing.T, line, has string) { + if strings.Index(line, has) < 0 { + t.Errorf("expected %q in %q", has, line) + } +} |