Sha256: e08161b09b5cb32d0d1e0a63e1234a899ea76d9ff527d358a51beceaec6da825
Contents?: true
Size: 1.48 KB
Versions: 52
Compression:
Stored size: 1.48 KB
Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "StringIO#printf" do
before(:each) do
@io = StringIO.new('example')
end
it "returns nil" do
@io.printf("%d %04x", 123, 123).should be_nil
end
it "pads self with \\000 when the current position is after the end" do
@io.pos = 10
@io.printf("%d", 123)
@io.string.should == "example\000\000\000123"
end
it "performs format conversion" do
@io.printf("%d %04x", 123, 123)
@io.string.should == "123 007b"
end
it "updates the current position" do
@io.printf("%d %04x", 123, 123)
@io.pos.should eql(8)
@io.printf("%d %04x", 123, 123)
@io.pos.should eql(16)
end
end
describe "StringIO#printf when in append mode" do
before(:each) do
@io = StringIO.new("example", "a")
end
it "appends the passed argument to the end of self" do
@io.printf("%d %04x", 123, 123)
@io.string.should == "example123 007b"
@io.printf("%d %04x", 123, 123)
@io.string.should == "example123 007b123 007b"
end
it "correctly updates self's position" do
@io.printf("%d %04x", 123, 123)
@io.pos.should eql(15)
end
end
describe "StringIO#printf when self is not writable" do
it "raises an IOError" do
io = StringIO.new("test", "r")
lambda { io.printf("test") }.should raise_error(IOError)
io = StringIO.new("test")
io.close_write
lambda { io.printf("test") }.should raise_error(IOError)
end
end
Version data entries
52 entries across 52 versions & 2 rubygems