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1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
84 lines
2.1 KiB
Ruby
84 lines
2.1 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "StringIO#<< when passed [Object]" do
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before :each do
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@io = StringIO.new("example")
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end
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it "returns self" do
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(@io << "just testing").should equal(@io)
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end
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it "writes the passed argument onto self" do
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(@io << "just testing")
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@io.string.should == "just testing"
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(@io << " and more testing")
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@io.string.should == "just testing and more testing"
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end
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it "writes the passed argument at the current position" do
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@io.pos = 5
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@io << "<test>"
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@io.string.should == "examp<test>"
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end
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it "pads self with \\000 when the current position is after the end" do
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@io.pos = 15
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@io << "just testing"
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@io.string.should == "example\000\000\000\000\000\000\000\000just testing"
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end
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it "taints self's String when the passed argument is tainted" do
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(@io << "test".taint)
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@io.string.tainted?.should be_true
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end
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it "does not taint self when the passed argument is tainted" do
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(@io << "test".taint)
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@io.tainted?.should be_false
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end
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it "updates self's position" do
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@io << "test"
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@io.pos.should eql(4)
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end
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it "tries to convert the passed argument to a String using #to_s" do
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obj = mock("to_s")
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obj.should_receive(:to_s).and_return("Test")
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(@io << obj).string.should == "Testple"
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end
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end
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describe "StringIO#<< when self is not writable" do
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it "raises an IOError" do
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io = StringIO.new("test", "r")
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lambda { io << "test" }.should raise_error(IOError)
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io = StringIO.new("test")
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io.close_write
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lambda { io << "test" }.should raise_error(IOError)
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end
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end
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describe "StringIO#<< when in append mode" do
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before :each do
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@io = StringIO.new("example", "a")
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end
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it "appends the passed argument to the end of self, ignoring current position" do
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(@io << ", just testing")
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@io.string.should == "example, just testing"
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@io.pos = 3
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(@io << " and more testing")
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@io.string.should == "example, just testing and more testing"
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end
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it "correctly updates self's position" do
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@io << ", testing"
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@io.pos.should eql(16)
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end
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end
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