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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
100 lines
2.2 KiB
Ruby
100 lines
2.2 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#print" 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 "prints $_ when passed no arguments" do
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$_ = nil
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@io.print
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@io.string.should == "example"
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$_ = "blah"
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@io.print
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@io.string.should == "blahple"
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end
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it "prints the passed arguments to self" do
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@io.print(5, 6, 7, 8)
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@io.string.should == "5678ple"
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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.print(obj)
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@io.string.should == "to_sple"
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end
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it "returns nil" do
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@io.print(1, 2, 3).should be_nil
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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 = 10
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@io.print(1, 2, 3)
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@io.string.should == "example\000\000\000123"
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end
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it "honors the output record separator global" do
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old_rs, $\ = $\, 'x'
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begin
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@io.print(5, 6, 7, 8)
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@io.string.should == '5678xle'
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ensure
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$\ = old_rs
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end
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end
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it "updates the current position" do
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@io.print(1, 2, 3)
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@io.pos.should eql(3)
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@io.print(1, 2, 3)
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@io.pos.should eql(6)
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end
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it "correctly updates the current position when honoring the output record separator global" do
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old_rs, $\ = $\, 'x'
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begin
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@io.print(5, 6, 7, 8)
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@io.pos.should eql(5)
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ensure
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$\ = old_rs
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end
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end
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end
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describe "StringIO#print 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" do
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@io.print(", just testing")
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@io.string.should == "example, just testing"
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@io.print(" 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.print(", testing")
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@io.pos.should eql(16)
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end
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end
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describe "StringIO#print 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.print("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.print("test") }.should raise_error(IOError)
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end
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end
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