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Diffstat (limited to '')
-rw-r--r-- | dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/dev_linux_test.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/dev_linux_test.go b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/dev_linux_test.go new file mode 100644 index 0000000..2b3a9bd --- /dev/null +++ b/dependencies/pkg/mod/golang.org/x/sys@v0.1.0/unix/dev_linux_test.go @@ -0,0 +1,57 @@ +// Copyright 2017 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. + +//go:build go1.7 +// +build go1.7 + +package unix_test + +import ( + "fmt" + "testing" + + "golang.org/x/sys/unix" +) + +func TestDevices(t *testing.T) { + testCases := []struct { + path string + major uint32 + minor uint32 + }{ + // well known major/minor numbers according to + // https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/devices.txt + {"/dev/null", 1, 3}, + {"/dev/zero", 1, 5}, + {"/dev/random", 1, 8}, + {"/dev/full", 1, 7}, + {"/dev/urandom", 1, 9}, + {"/dev/tty", 5, 0}, + } + for _, tc := range testCases { + t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) { + var stat unix.Stat_t + err := unix.Stat(tc.path, &stat) + if err != nil { + if err == unix.EACCES { + t.Skip("no permission to stat device, skipping test") + } + t.Errorf("failed to stat device: %v", err) + return + } + + dev := uint64(stat.Rdev) + if unix.Major(dev) != tc.major { + t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major) + } + if unix.Minor(dev) != tc.minor { + t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor) + } + if unix.Mkdev(tc.major, tc.minor) != dev { + t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev) + } + }) + + } +} |