exclude :test_each_codepoint, "needs investigation"
exclude :test_each_line_limit_0, "needs investigation"
exclude :test_eof_0, "needs investigation"
exclude :test_eof_0_seek, "needs investigation"
exclude :test_eof_1, "needs investigation"
exclude :test_frozen, "needs investigation"
exclude :test_gets, "needs investigation"
exclude :test_gets2, "needs investigation"
exclude :test_read, "needs investigation"
exclude :test_read_nonblock, "needs investigation"
exclude :test_readlines_limit_0, "needs investigation"
exclude :test_readpartial, "needs investigation"
exclude :test_ungetbyte, "needs investigation"
exclude :test_ungetc, "needs investigation"
exclude :test_write_nonblock, "needs investigation"
