| // Copyright 2020 The Fuchsia 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 main |
| |
| import ( |
| "os" |
| "path/filepath" |
| "strings" |
| "testing" |
| |
| "go.fuchsia.dev/fuchsia/tools/emulator" |
| "go.fuchsia.dev/fuchsia/tools/emulator/emulatortest" |
| ) |
| |
| func TestKtraceWorksWhenEnabled(t *testing.T) { |
| exDir := execDir(t) |
| distro := emulatortest.UnpackFrom(t, filepath.Join(exDir, "test_data"), emulator.DistributionParams{ |
| Emulator: emulator.Qemu, |
| }) |
| arch := distro.TargetCPU() |
| device := emulator.DefaultVirtualDevice(string(arch)) |
| device.Initrd = "zircon-r" // zedboot zbi. |
| device.KernelArgs = append(device.KernelArgs, "kernel.enable-debugging-syscalls=true") |
| |
| stdout, stderr := distro.RunNonInteractive( |
| "/boot/bin/ktrace start 0xff", |
| filepath.Join(exDir, "test_data", "tools", "minfs"), |
| filepath.Join(exDir, "test_data", "tools", "zbi"), |
| device, |
| ) |
| |
| ensureDoesNotContain(t, stdout, "ZX_ERR_NOT_SUPPORTED") |
| ensureDoesNotContain(t, stderr, "ZX_ERR_NOT_SUPPORTED") |
| } |
| |
| func ensureDoesNotContain(t *testing.T, output, lookFor string) { |
| if strings.Contains(output, lookFor) { |
| t.Fatalf("output contains '%s'", lookFor) |
| } |
| } |
| |
| func execDir(t *testing.T) string { |
| ex, err := os.Executable() |
| if err != nil { |
| t.Fatal(err) |
| } |
| return filepath.Dir(ex) |
| } |
