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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-12-05 02:54:48 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2003-12-05 02:54:48 +0000
commitbf625b1809e01a8fe505f5a344149e8df8e3795e (patch)
tree75d78dfa2134f18d318611d3ca7e3f74e417e5d9 /test/ruby/ut_eof.rb
parent513dbc6e6858cddf28418396fa7f1a7c652c1cb7 (diff)
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* ext/stringio/stringio.c (strio_read): follow IO#read.
* test/ruby/ut_eof.rb, test/ruby/test_file.rb, test/ruby/test_pipe.rb, test/stringio/test_stringio.rb: add EOF test. git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@5115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/ut_eof.rb')
-rw-r--r--test/ruby/ut_eof.rb46
1 files changed, 46 insertions, 0 deletions
diff --git a/test/ruby/ut_eof.rb b/test/ruby/ut_eof.rb
new file mode 100644
index 000000000..d1ad9a5fe
--- /dev/null
+++ b/test/ruby/ut_eof.rb
@@ -0,0 +1,46 @@
+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_equal(nil, f.read(0))
+ assert_equal(nil, f.read(0))
+ }
+ open_file("") {|f|
+ assert_equal(nil, f.read(1))
+ assert_equal(nil, f.read)
+ assert_equal(nil, f.read(1))
+ }
+ 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_equal(nil, f.read(0))
+ assert_equal(nil, f.read(0))
+ }
+ open_file("a") {|f|
+ assert_equal("a", f.read(1))
+ assert_equal(nil, f.read(1))
+ }
+ open_file("a") {|f|
+ assert_equal("a", f.read(2))
+ assert_equal(nil, f.read(1))
+ assert_equal(nil, f.read)
+ assert_equal(nil, f.read(1))
+ }
+ open_file("a") {|f|
+ assert_equal("a", f.read)
+ assert_equal(nil, f.read(1))
+ assert_equal(nil, f.read)
+ assert_equal(nil, f.read(1))
+ }
+ end
+end