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require_relative '../../spec_helper'
require 'coverage'
describe "Coverage.supported?" do
ruby_version_is "3.2" do
it "returns true or false if coverage measurement is supported for the given mode" do
[true, false].should.include?(Coverage.supported?(:lines))
[true, false].should.include?(Coverage.supported?(:branches))
[true, false].should.include?(Coverage.supported?(:methods))
[true, false].should.include?(Coverage.supported?(:eval))
end
it "returns false for not existing modes" do
Coverage.supported?(:foo).should == false
Coverage.supported?(:bar).should == false
end
it "raise TypeError if argument is not Symbol" do
-> {
Coverage.supported?("lines")
}.should raise_error(TypeError, "wrong argument type String (expected Symbol)")
-> {
Coverage.supported?([])
}.should raise_error(TypeError, "wrong argument type Array (expected Symbol)")
-> {
Coverage.supported?(1)
}.should raise_error(TypeError, "wrong argument type Integer (expected Symbol)")
end
end
end
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