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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__)
describe "ENV.reject!" do
it "rejects entries based on key" do
ENV["foo"] = "bar"
ENV.reject! { |k, v| k == "foo" }
ENV["foo"].should == nil
end
it "rejects entries based on value" do
ENV["foo"] = "bar"
ENV.reject! { |k, v| v == "bar" }
ENV["foo"].should == nil
end
it "returns itself or nil" do
ENV.reject! { false }.should == nil
ENV["foo"] = "bar"
ENV.reject! { |k, v| k == "foo" }.should == ENV
ENV["foo"].should == nil
end
it "returns an Enumerator if called without a block" do
ENV.reject!.should be_an_instance_of(Enumerator)
end
it "doesn't raise if empty" do
orig = ENV.to_hash
begin
ENV.clear
lambda { ENV.reject! }.should_not raise_error(LocalJumpError)
ensure
ENV.replace orig
end
end
it_behaves_like :enumeratorized_with_origin_size, :reject!, ENV
end
describe "ENV.reject" do
it "rejects entries based on key" do
ENV["foo"] = "bar"
e = ENV.reject { |k, v| k == "foo" }
e["foo"].should == nil
ENV["foo"].should == "bar"
ENV["foo"] = nil
end
it "rejects entries based on value" do
ENV["foo"] = "bar"
e = ENV.reject { |k, v| v == "bar" }
e["foo"].should == nil
ENV["foo"].should == "bar"
ENV["foo"] = nil
end
it "returns a Hash" do
ENV.reject { false }.should be_kind_of(Hash)
end
it "returns an Enumerator if called without a block" do
ENV.reject.should be_an_instance_of(Enumerator)
end
it "doesn't raise if empty" do
orig = ENV.to_hash
begin
ENV.clear
lambda { ENV.reject }.should_not raise_error(LocalJumpError)
ensure
ENV.replace orig
end
end
it_behaves_like :enumeratorized_with_origin_size, :reject, ENV
end
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