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Diffstat (limited to 'spec/ruby/library/stringio/string_spec.rb')
-rw-r--r-- | spec/ruby/library/stringio/string_spec.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/string_spec.rb b/spec/ruby/library/stringio/string_spec.rb new file mode 100644 index 0000000000..7c4181b6de --- /dev/null +++ b/spec/ruby/library/stringio/string_spec.rb @@ -0,0 +1,50 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "StringIO#string" do + it "returns the underlying string" do + io = StringIO.new(str = "hello") + io.string.should equal(str) + end +end + +describe "StringIO#string=" do + before :each do + @io = StringIO.new("example\nstring") + end + + it "returns the passed String" do + str = "test" + (@io.string = str).should equal(str) + end + + it "changes the underlying string" do + str = "hello" + @io.string = str + @io.string.should equal(str) + end + + it "resets the position" do + @io.pos = 1 + @io.string = "other" + @io.pos.should eql(0) + end + + it "resets the line number" do + @io.lineno = 1 + @io.string = "other" + @io.lineno.should eql(0) + end + + it "tries to convert the passed Object to a String using #to_str" do + obj = mock("to_str") + obj.should_receive(:to_str).and_return("to_str") + + @io.string = obj + @io.string.should == "to_str" + end + + it "raises a TypeError when the passed Object can't be converted to an Integer" do + lambda { @io.seek(Object.new) }.should raise_error(TypeError) + end +end |