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require_relative '../../spec_helper'
require_relative 'fixtures/common'
describe "ENV.values_at" do
before :each do
@saved_foo = ENV["foo"]
@saved_bar = ENV["bar"]
end
after :each do
ENV["foo"] = @saved_foo
ENV["bar"] = @saved_bar
end
it "returns an array of the values corresponding to the given keys" do
ENV["foo"] = "oof"
ENV["bar"] = "rab"
ENV.values_at("bar", "foo").should == ["rab", "oof"]
end
it "returns an empty array if no keys specified" do
ENV.values_at.should == []
end
it "returns nil for each key that is not a name" do
ENV["foo"] = "oof"
ENV["bar"] = "rab"
ENV.values_at("x", "bar", "y", "foo", "z").should == [nil, "rab", nil, "oof", nil]
end
it "uses the locale encoding" do
ENV.values_at(ENV.keys.first).first.encoding.should == ENVSpecs.encoding
end
it "raises TypeError when a key is not coercible to String" do
-> { ENV.values_at("foo", Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
end
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