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assert('InputStream.new()') do
vec = InputStream.new
assert_equal InputStream, vec.class
end
assert('InputStream.new("foo")') do
vec = InputStream.new("foo")
assert_equal InputStream, vec.class
end
assert('InputStream#read') do
vec = InputStream.new("foo")
assert_equal "foo", vec.read
end
assert('InputStream#read(2)') do
vec = InputStream.new("abcdef")
assert_equal "ab", vec.read(2)
assert_equal "cde", vec.read(3)
assert_equal "f", vec.read(4)
assert_equal nil, vec.read(5)
end
assert('InputStream#read(2, "")') do
vec = InputStream.new("abcdef")
s1 = ""
assert_equal "ab", vec.read(2, s1)
assert_equal "ab", s1
assert_equal "abcde", vec.read(3, s1)
assert_equal "abcde", s1
assert_equal "abcdef", vec.read(4, s1)
assert_equal "abcdef", s1
assert_equal nil, vec.read(5, s1)
assert_equal "abcdef", s1
end
assert('InputStream#read(10)') do
vec = InputStream.new("abc")
assert_equal "abc", vec.read(10)
assert_equal nil, vec.read(10)
end
assert('InputStream#read ""') do
vec = InputStream.new("")
assert_equal nil, vec.read(2)
assert_equal nil, vec.read(0)
assert_equal nil, vec.read(2)
end
assert('InputStream#read(0)') do
vec = InputStream.new("foo")
assert_equal "", vec.read(0)
assert_equal "", vec.read(0)
assert_equal "f", vec.read(1)
end
assert('InputStream#gets') do
vec = InputStream.new("foo")
assert_equal "foo", vec.gets
assert_equal nil, vec.gets
end
assert('InputStream#gets ""') do
vec = InputStream.new("")
assert_equal nil, vec.gets
end
assert('InputStream#gets long') do
vec = InputStream.new("foo\nbar\nbuz\n")
assert_equal "foo\n", vec.gets
assert_equal "bar\n", vec.gets
assert_equal "buz\n", vec.gets
assert_equal nil, vec.gets
end
assert('InputStream#gets NN') do
vec = InputStream.new("\n\nbuz")
assert_equal "\n", vec.gets
assert_equal "\n", vec.gets
assert_equal "buz", vec.gets
assert_equal nil, vec.gets
end
assert('InputStream#each') do
vec = InputStream.new("foo\nbar\nbuz\nzzz")
buf = []
vec.each do |line|
buf << line
end
assert_equal ["foo\n", "bar\n", "buz\n", "zzz"], buf
end
assert('InputStream#each ""') do
vec = InputStream.new("")
buf = []
vec.each do |line|
buf << line
end
assert_equal [], buf
end
assert('InputStream#rewind') do
vec = InputStream.new("abcdef")
assert_equal "ab", vec.read(2)
assert_equal "cde", vec.read(3)
vec.rewind
assert_equal "abcd", vec.read(4)
assert_equal "ef", vec.read(5)
end
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