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Diffstat (limited to 'spec/ruby/core/process/getrlimit_spec.rb')
-rw-r--r-- | spec/ruby/core/process/getrlimit_spec.rb | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/spec/ruby/core/process/getrlimit_spec.rb b/spec/ruby/core/process/getrlimit_spec.rb new file mode 100644 index 0000000000..7924d43081 --- /dev/null +++ b/spec/ruby/core/process/getrlimit_spec.rb @@ -0,0 +1,91 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +platform_is :aix do + # In AIX, if getrlimit(2) is called multiple times with RLIMIT_DATA, + # the first call and the subequent calls return slightly different + # values of rlim_cur, even if the process does nothing between + # the calls. This behavior causes some of the tests in this spec + # to fail, so call Process.getrlimit(:DATA) once and discard the result. + # Subsequent calls to Process.getrlimit(:DATA) should return + # a consistent value of rlim_cur. + Process.getrlimit(:DATA) +end + +platform_is_not :windows do + describe "Process.getrlimit" do + it "returns a two-element Array of Integers" do + result = Process.getrlimit Process::RLIMIT_CORE + result.size.should == 2 + result.first.should be_kind_of(Integer) + result.last.should be_kind_of(Integer) + end + + context "when passed an Object" do + before do + @resource = Process::RLIMIT_CORE + end + + it "calls #to_int to convert to an Integer" do + obj = mock("process getrlimit integer") + obj.should_receive(:to_int).and_return(@resource) + + Process.getrlimit(obj).should == Process.getrlimit(@resource) + end + + it "raises a TypeError if #to_int does not return an Integer" do + obj = mock("process getrlimit integer") + obj.should_receive(:to_int).and_return(nil) + + lambda { Process.getrlimit(obj) }.should raise_error(TypeError) + end + end + + context "when passed a Symbol" do + Process.constants.grep(/\ARLIMIT_/) do |fullname| + short = $' + it "coerces :#{short} into #{fullname}" do + Process.getrlimit(short.to_sym).should == Process.getrlimit(Process.const_get(fullname)) + end + end + + it "raises ArgumentError when passed an unknown resource" do + lambda { Process.getrlimit(:FOO) }.should raise_error(ArgumentError) + end + end + + context "when passed a String" do + Process.constants.grep(/\ARLIMIT_/) do |fullname| + short = $' + it "coerces '#{short}' into #{fullname}" do + Process.getrlimit(short).should == Process.getrlimit(Process.const_get(fullname)) + end + end + + it "raises ArgumentError when passed an unknown resource" do + lambda { Process.getrlimit("FOO") }.should raise_error(ArgumentError) + end + end + + context "when passed on Object" do + before do + @resource = Process::RLIMIT_CORE + end + + it "calls #to_str to convert to a String" do + obj = mock("process getrlimit string") + obj.should_receive(:to_str).and_return("CORE") + obj.should_not_receive(:to_int) + + Process.getrlimit(obj).should == Process.getrlimit(@resource) + end + + it "calls #to_int if #to_str does not return a String" do + obj = mock("process getrlimit string") + obj.should_receive(:to_str).and_return(nil) + obj.should_receive(:to_int).and_return(@resource) + + Process.getrlimit(obj).should == Process.getrlimit(@resource) + end + end + end +end |