Subversion Repositories openrisc

// 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)

                        ???: runtime·unlock(&runtime·sched);

*/

func TestStack(t *testing.T) {

        b := T(0).method()

        lines := strings.Split(string(b), "\n")

        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)

        }

}