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91 lines
2.4 KiB
Ruby
91 lines
2.4 KiB
Ruby
describe :stringio_write, shared: true do
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before :each do
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@io = StringIO.new('12345')
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end
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it "tries to convert the passed Object 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("to_s")
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@io.send(@method, obj)
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@io.string.should == "to_s5"
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end
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end
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describe :stringio_write_string, shared: true do
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before :each do
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@io = StringIO.new('12345')
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end
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# TODO: RDoc says that #write appends at the current position.
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it "writes the passed String at the current buffer position" do
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@io.pos = 2
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@io.send(@method, 'x').should == 1
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@io.string.should == '12x45'
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@io.send(@method, 7).should == 1
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@io.string.should == '12x75'
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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 = 8
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@io.send(@method, 'x')
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@io.string.should == "12345\000\000\000x"
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@io.send(@method, 9)
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@io.string.should == "12345\000\000\000x9"
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end
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it "returns the number of bytes written" do
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@io.send(@method, '').should == 0
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@io.send(@method, nil).should == 0
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str = "1" * 100
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@io.send(@method, str).should == 100
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end
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it "updates self's position" do
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@io.send(@method, 'test')
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@io.pos.should eql(4)
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end
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ruby_version_is ""..."2.7" do
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it "taints self's String when the passed argument is tainted" do
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@io.send(@method, "test".taint)
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@io.string.tainted?.should be_true
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end
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end
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ruby_version_is ""..."3.0" do
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it "does not taint self when the passed argument is tainted" do
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@io.send(@method, "test".taint)
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@io.tainted?.should be_false
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end
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end
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end
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describe :stringio_write_not_writable, shared: true do
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it "raises an IOError" do
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io = StringIO.new("test", "r")
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-> { io.send(@method, "test") }.should raise_error(IOError)
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io = StringIO.new("test")
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io.close_write
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-> { io.send(@method, "test") }.should raise_error(IOError)
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end
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end
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describe :stringio_write_append, shared: true 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" do
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@io.send(@method, ", just testing")
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@io.string.should == "example, just testing"
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@io.send(@method, " 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.send(@method, ", testing")
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@io.pos.should eql(16)
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end
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end
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