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module RSpec
module Matchers
RSpec.describe "eql" do
it_behaves_like "an RSpec value matcher", :valid_value => 1, :invalid_value => 2 do
let(:matcher) { eql(1) }
end
it "is diffable" do
expect(eql(1)).to be_diffable
end
it "matches when actual.eql?(expected)" do
expect(1).to eql(1)
end
it "does not match when !actual.eql?(expected)" do
expect(1).not_to eql(2)
end
it "describes itself" do
matcher = eql(1)
matcher.matches?(1)
expect(matcher.description).to eq "eql 1"
end
it "provides message, expected and actual on #failure_message" do
matcher = eql("1")
matcher.matches?(1)
expect(matcher.failure_message).to eq "\nexpected: \"1\"\n got: 1\n\n(compared using eql?)\n"
end
it "provides message, expected and actual on #negative_failure_message" do
matcher = eql(1)
matcher.matches?(1)
expect(matcher.failure_message_when_negated).to eq "\nexpected: value != 1\n got: 1\n\n(compared using eql?)\n"
end
# Older versions of Ruby such as less than 1.9 do not have String#encoding available, they are an array of bytes
if String.method_defined?(:encoding)
context "with String encoding as UTF-16LE" do
it "provides message, expected and actual on #failure_message when string encoding is the same" do
matcher = eql('abc'.encode('UTF-16LE'))
matcher.matches?('def'.encode('UTF-16LE'))
expect(matcher.failure_message).to eq "\nexpected: \"abc\"\n got: \"def\"\n\n(compared using eql?)\n"
end
it "matches when actual is BINARY encoding and expected is UTF-8 encoding with the same chars" do
expect('abc'.encode('BINARY')).to eq 'abc'.encode('UTF-8')
end
it "provides message, expected and actual with encoding details on #failure_message when string encoding is different" do
matcher = eql('abc'.encode('UTF-16LE'))
matcher.matches?('abc'.force_encoding('ASCII-8BIT'))
expect(matcher.failure_message).to eq "\nexpected: #<Encoding:UTF-16LE> \"abc\"\n got: #<Encoding:ASCII-8BIT> \"abc\"\n\n(compared using eql?)\n"
end
it "provides message, expected and actual on #negative_failure_message" do
matcher = eql('abc'.encode('UTF-16LE'))
matcher.matches?('abc'.encode('UTF-16LE'))
expect(matcher.failure_message_when_negated).to eq "\nexpected: value != \"abc\"\n got: \"abc\"\n\n(compared using eql?)\n"
end
end
end
end
end
end
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