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Diffstat (limited to 'test/dl/test_handle.rb')
| -rw-r--r-- | test/dl/test_handle.rb | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/test/dl/test_handle.rb b/test/dl/test_handle.rb deleted file mode 100644 index 6a8964e9a0..0000000000 --- a/test/dl/test_handle.rb +++ /dev/null @@ -1,191 +0,0 @@ -require_relative 'test_base' -require_relative '../ruby/envutil' - -module DL - class TestHandle < TestBase - def test_to_i - handle = DL::Handle.new(LIBC_SO) - assert_kind_of Integer, handle.to_i - end - - def test_static_sym_secure - assert_raises(SecurityError) do - Thread.new do - $SAFE = 2 - DL::Handle.sym('calloc') - end.join - end - end - - def test_static_sym_unknown - assert_raises(DL::DLError) { DL::Handle.sym('fooo') } - assert_raises(DL::DLError) { DL::Handle['fooo'] } - end - - def test_static_sym - skip "DL::Handle.sym is not supported" if /mswin|mingw/ =~ RUBY_PLATFORM - begin - # Linux / Darwin / FreeBSD - assert_not_nil DL::Handle.sym('dlopen') - assert_equal DL::Handle.sym('dlopen'), DL::Handle['dlopen'] - rescue - # NetBSD - require 'objspace' - assert_not_nil DL::Handle.sym('Init_objspace') - assert_equal DL::Handle.sym('Init_objspace'), DL::Handle['Init_objspace'] - end - end - - def test_sym_closed_handle - handle = DL::Handle.new(LIBC_SO) - handle.close - assert_raises(DL::DLError) { handle.sym("calloc") } - assert_raises(DL::DLError) { handle["calloc"] } - end - - def test_sym_unknown - handle = DL::Handle.new(LIBC_SO) - assert_raises(DL::DLError) { handle.sym('fooo') } - assert_raises(DL::DLError) { handle['fooo'] } - end - - def test_sym_with_bad_args - handle = DL::Handle.new(LIBC_SO) - assert_raises(TypeError) { handle.sym(nil) } - assert_raises(TypeError) { handle[nil] } - end - - def test_sym_secure - assert_raises(SecurityError) do - Thread.new do - $SAFE = 2 - handle = DL::Handle.new(LIBC_SO) - handle.sym('calloc') - end.join - end - end - - def test_sym - handle = DL::Handle.new(LIBC_SO) - assert_not_nil handle.sym('calloc') - assert_not_nil handle['calloc'] - end - - def test_handle_close - handle = DL::Handle.new(LIBC_SO) - assert_equal 0, handle.close - end - - def test_handle_close_twice - handle = DL::Handle.new(LIBC_SO) - handle.close - assert_raises(DL::DLError) do - handle.close - end - end - - def test_dlopen_returns_handle - assert_instance_of DL::Handle, dlopen(LIBC_SO) - end - - def test_dlopen_safe - assert_raises(SecurityError) do - Thread.new do - $SAFE = 2 - dlopen(LIBC_SO) - end.join - end - end - - def test_initialize_safe - assert_raises(SecurityError) do - Thread.new do - $SAFE = 2 - DL::Handle.new(LIBC_SO) - end.join - end - end - - def test_initialize_noargs - handle = DL::Handle.new - assert_not_nil handle['rb_str_new'] - end - - def test_initialize_flags - handle = DL::Handle.new(LIBC_SO, DL::RTLD_LAZY | DL::RTLD_GLOBAL) - assert_not_nil handle['calloc'] - end - - def test_enable_close - handle = DL::Handle.new(LIBC_SO) - assert !handle.close_enabled?, 'close is enabled' - - handle.enable_close - assert handle.close_enabled?, 'close is not enabled' - end - - def test_disable_close - handle = DL::Handle.new(LIBC_SO) - - handle.enable_close - assert handle.close_enabled?, 'close is enabled' - handle.disable_close - assert !handle.close_enabled?, 'close is enabled' - end - - def test_NEXT - begin - # Linux / Darwin - # - # There are two special pseudo-handles, RTLD_DEFAULT and RTLD_NEXT. The former will find - # the first occurrence of the desired symbol using the default library search order. The - # latter will find the next occurrence of a function in the search order after the current - # library. This allows one to provide a wrapper around a function in another shared - # library. - # --- Ubuntu Linux 8.04 dlsym(3) - handle = DL::Handle::NEXT - assert_not_nil handle['malloc'] - rescue - # BSD - # - # If dlsym() is called with the special handle RTLD_NEXT, then the search - # for the symbol is limited to the shared objects which were loaded after - # the one issuing the call to dlsym(). Thus, if the function is called - # from the main program, all the shared libraries are searched. If it is - # called from a shared library, all subsequent shared libraries are - # searched. RTLD_NEXT is useful for implementing wrappers around library - # functions. For example, a wrapper function getpid() could access the - # "real" getpid() with dlsym(RTLD_NEXT, "getpid"). (Actually, the dlfunc() - # interface, below, should be used, since getpid() is a function and not a - # data object.) - # --- FreeBSD 8.0 dlsym(3) - assert_in_out_err(['RUBYOPT' => '-W0'], <<-INPUT, /\A#<DL::Handle:0x[0-9a-f]+>\z/) - require 'dl' - require 'objspace' - print DL::Handle::NEXT.inspect - INPUT - end - end unless /mswin|mingw/ =~ RUBY_PLATFORM - - def test_DEFAULT - skip "DL::Handle::DEFAULT is not supported" if /mswin|mingw/ =~ RUBY_PLATFORM - handle = DL::Handle::DEFAULT - assert_not_nil handle['malloc'] - end unless /mswin|mingw/ =~ RUBY_PLATFORM - - def test_dlerror - # FreeBSD (at least 7.2 to 7.2) calls nsdispatch(3) when it calls - # getaddrinfo(3). And nsdispatch(3) doesn't call dlerror(3) even if - # it calls _nss_cache_cycle_prevention_function with dlsym(3). - # So our DL::Handle#sym must call dlerror(3) before call dlsym. - # In general uses of dlerror(3) should call it before use it. - require 'socket' - Socket.gethostbyname("localhost") - DL.dlopen("/lib/libc.so.7").sym('strcpy') - end if /freebsd/=~ RUBY_PLATFORM - end - - def test_no_memory_leak - assert_no_memory_leak(%w[-W0 -rdl.so], '', '100_000.times {DL::Handle.allocate}; GC.start', rss: true) - end -end |