diff options
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_io.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb index 75263e9cc5..b3d543fc2f 100644 --- a/test/ruby/test_io.rb +++ b/test/ruby/test_io.rb @@ -1737,4 +1737,38 @@ End end end end + + def test_advise + t = make_tempfile + assert_raise(ArgumentError, "no arguments") { t.advise } + %w{normal random sequential willneed dontneed noreuse}.map(&:to_sym).each do |adv| + [[0,0], [0, 20], [400, 2]].each do |offset, len| + open(make_tempfile.path) do |t| + assert_equal(t.advise(adv, offset, len), nil) + assert_raise(ArgumentError, "superfluous arguments") do + t.advise(adv, offset, len, offset) + end + assert_raise(TypeError, "wrong type for first argument") do + t.advise(adv.to_s, offset, len) + end + assert_raise(TypeError, "wrong type for last argument") do + t.advise(adv, offset, Array(len)) + end + assert_raise(RangeError, "last argument too big") do + t.advise(adv, offset, 9999e99) + end + end + assert_raise(IOError, "closed file") do + make_tempfile.advise(adv.to_sym, offset, len) + end + end + end + %w{Normal rand glark will_need zzzzzzzzzzzz \u2609}.map(&:to_sym).each do |adv| + [[0,0], [0, 20], [400, 2]].each do |offset, len| + open(make_tempfile.path) do |t| + assert_equal(t.advise(adv, offset, len), nil) + end + end + end + end end |