diff options
| -rw-r--r-- | test/ruby/test_io.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index a0b0a1bcde..4654ec3ea7 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -1666,6 +1666,22 @@ class TestIO < Test::Unit::TestCase } end + def can_seek_data(f) + if /linux/ =~ RUBY_PLATFORM + # include/uapi/linux/magic.h + case f.statfs.type + when 0x9123683E # BTRFS_SUPER_MAGIC + when 0x7461636f # OCFS2_SUPER_MAGIC + when 0xEF53 # EXT4_SUPER_MAGIC + when 0x58465342 # XFS_SUPER_MAGIC + when 0x01021994 # TMPFS_MAGIC + else + return false + end + end + true + end + def test_seek make_tempfile {|t| @@ -1692,6 +1708,7 @@ class TestIO < Test::Unit::TestCase if defined?(IO::SEEK_DATA) open(t.path) { |f| + break unless can_seek_data(f) assert_equal("foo\n", f.gets) assert_nothing_raised("cannot SEEK_DATA on FS(0x%X)" % f.statfs.type) do f.seek(0, IO::SEEK_DATA) @@ -1699,6 +1716,7 @@ class TestIO < Test::Unit::TestCase assert_equal("foo\nbar\nbaz\n", f.read) } open(t.path, 'r+') { |f| + break unless can_seek_data(f) pos = f.pos f.seek(100*1024, IO::SEEK_SET) f.print("zot\n") @@ -1740,6 +1758,7 @@ class TestIO < Test::Unit::TestCase if defined?(IO::SEEK_DATA) open(t.path) { |f| + break unless can_seek_data(f) assert_equal("foo\n", f.gets) assert_nothing_raised("cannot SEEK_DATA on FS(0x%X)" % f.statfs.type) do f.seek(0, :DATA) @@ -1747,6 +1766,7 @@ class TestIO < Test::Unit::TestCase assert_equal("foo\nbar\nbaz\n", f.read) } open(t.path, 'r+') { |f| + break unless can_seek_data(f) pos = f.pos f.seek(100*1024, :SET) f.print("zot\n") |