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RSpec.describe Kernel do
describe ".RE2" do
it "returns an RE2::Regexp instance given a pattern" do
expect(RE2('w(o)(o)')).to be_a(RE2::Regexp)
end
it "returns an RE2::Regexp instance given a pattern and options" do
re = RE2('w(o)(o)', case_sensitive: false)
expect(re).not_to be_case_sensitive
end
it "accepts patterns containing null bytes" do
re = RE2("a\0b")
expect(re.pattern).to eq("a\0b")
end
it "raises an error if given an inappropriate type" do
expect { RE2(nil) }.to raise_error(TypeError)
end
it "allows invalid patterns to be created" do
re = RE2('???', log_errors: false)
expect(re).to be_a(RE2::Regexp)
end
it "supports passing something that can be coerced to a String as input" do
re = RE2(StringLike.new('w(o)(o)'))
expect(re).to be_a(RE2::Regexp)
end
end
end
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