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Contents
require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
require File.expand_path(File.dirname(__FILE__) + '/../lib/pedump/composite_io')
describe PEdump::CompositeIO do
it "concatenates" do
io = PEdump::CompositeIO.new(
StringIO.new('foo'),
StringIO.new('bar'),
StringIO.new('baz')
)
io.read.should == 'foobarbaz'
end
it "reads sequentally" do
io = PEdump::CompositeIO.new(
StringIO.new('foo1'),
StringIO.new('bar2'),
StringIO.new('baz')
)
io.read(3).should == 'foo'
io.read(3).should == '1ba'
io.read(3).should == 'r2b'
io.read(3).should == 'az'
end
it "behaves like StringIO" do
io1 = StringIO.new('foo')
io2 = PEdump::CompositeIO.new(StringIO.new('foo'))
io1.read.should == io2.read # 'foo'
io1.read.should == io2.read # ''
io1.read(3).should == io2.read(3) # nil
end
it "tracks number of bytes read" do
io = PEdump::CompositeIO.new(
StringIO.new('foo1'),
StringIO.new('bar2'),
StringIO.new('baz')
)
io.tell.should == 0
io.read(3)
io.tell.should == 3
io.read(4)
io.tell.should == 7
io.read
io.tell.should == 11
io.read
io.tell.should == 11
io.read 10
io.tell.should == 11
end
it "chains eof? call" do
io = PEdump::CompositeIO.new(
StringIO.new('foo1'),
StringIO.new('bar2'),
StringIO.new('baz')
)
io.eof?.should be_false
io.read(3)
io.eof?.should be_false
io.read(4)
io.eof?.should be_false
io.read
io.eof?.should be_true
io.read
io.eof?.should be_true
io.read 10
io.eof?.should be_true
end
end
Version data entries
12 entries across 12 versions & 1 rubygems