diff options
Diffstat (limited to 'spec/ruby/library/stringio')
-rw-r--r-- | spec/ruby/library/stringio/printf_spec.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/printf_spec.rb b/spec/ruby/library/stringio/printf_spec.rb index 5f811547bc..a2094bf52d 100644 --- a/spec/ruby/library/stringio/printf_spec.rb +++ b/spec/ruby/library/stringio/printf_spec.rb @@ -1,5 +1,6 @@ require File.expand_path('../../../spec_helper', __FILE__) require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../../../core/kernel/shared/sprintf', __FILE__) describe "StringIO#printf" do before :each do @@ -28,6 +29,14 @@ describe "StringIO#printf" do @io.printf("%d %04x", 123, 123) @io.pos.should eql(16) end + + describe "formatting" do + it_behaves_like :kernel_sprintf, -> (format, *args) { + io = StringIO.new + io.printf(format, *args) + io.string + } + end end describe "StringIO#printf when in append mode" do @@ -59,3 +68,4 @@ describe "StringIO#printf when self is not writable" do lambda { io.printf("test") }.should raise_error(IOError) end end + |