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require_relative '../../spec_helper'
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
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