diff options
Diffstat (limited to 'ruby_1_8_6/test/ruby/ut_eof.rb')
-rw-r--r-- | ruby_1_8_6/test/ruby/ut_eof.rb | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/ruby_1_8_6/test/ruby/ut_eof.rb b/ruby_1_8_6/test/ruby/ut_eof.rb new file mode 100644 index 0000000000..e6f6eddd6f --- /dev/null +++ b/ruby_1_8_6/test/ruby/ut_eof.rb @@ -0,0 +1,128 @@ +require 'test/unit' + +module TestEOF + def test_eof_0 + open_file("") {|f| + assert_equal("", f.read(0)) + assert_equal("", f.read(0)) + assert_equal("", f.read) + assert_nil(f.read(0)) + assert_nil(f.read(0)) + } + open_file("") {|f| + assert_nil(f.read(1)) + assert_equal("", f.read) + assert_nil(f.read(1)) + } + open_file("") {|f| + s = "x" + assert_equal("", f.read(nil, s)) + assert_equal("", s) + } + open_file("") {|f| + s = "x" + assert_nil(f.read(10, s)) + assert_equal("", s) + } + end + + def test_eof_0_rw + return unless respond_to? :open_file_rw + open_file_rw("") {|f| + assert_equal("", f.read) + assert_equal("", f.read) + assert_equal(0, f.syswrite("")) + assert_equal("", f.read) + } + end + + def test_eof_1 + open_file("a") {|f| + assert_equal("", f.read(0)) + assert_equal("a", f.read(1)) + assert_equal("" , f.read(0)) + assert_equal("" , f.read(0)) + assert_equal("", f.read) + assert_nil(f.read(0)) + assert_nil(f.read(0)) + } + open_file("a") {|f| + assert_equal("a", f.read(1)) + assert_nil(f.read(1)) + } + open_file("a") {|f| + assert_equal("a", f.read(2)) + assert_nil(f.read(1)) + assert_equal("", f.read) + assert_nil(f.read(1)) + } + open_file("a") {|f| + assert_equal("a", f.read) + assert_nil(f.read(1)) + assert_equal("", f.read) + assert_nil(f.read(1)) + } + open_file("a") {|f| + assert_equal("a", f.read(2)) + assert_equal("", f.read) + assert_equal("", f.read) + } + open_file("a") {|f| + assert_equal("a", f.read) + assert_nil(f.read(0)) + } + open_file("a") {|f| + s = "x" + assert_equal("a", f.read(nil, s)) + assert_equal("a", s) + } + open_file("a") {|f| + s = "x" + assert_equal("a", f.read(10, s)) + assert_equal("a", s) + } + end + + def test_eof_2 + open_file("") {|f| + assert_equal("", f.read) + assert(f.eof?) + } + end + + def test_eof_3 + open_file("") {|f| + assert(f.eof?) + } + end + + module Seek + def open_file_seek(content, pos) + open_file(content) do |f| + f.seek(pos) + yield f + end + end + + def test_eof_0_seek + open_file_seek("", 10) {|f| + assert_equal(10, f.pos) + assert_equal("", f.read(0)) + assert_equal("", f.read) + assert_nil(f.read(0)) + assert_equal("", f.read) + } + end + + def test_eof_1_seek + open_file_seek("a", 10) {|f| + assert_equal("", f.read) + assert_equal("", f.read) + } + open_file_seek("a", 1) {|f| + assert_equal("", f.read) + assert_equal("", f.read) + } + end + end +end |