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shared_examples_for 'an integer field' do |values|
subject do
described_class.new({
:value => values[:default],
:active => true
})
end
context '#serialize' do
it 'should serialize properly with an integer value' do
expect(subject.serialize).to eq(values[:default_hex])
end
it 'should raise an Exception for a String' do
subject.value = 'A'
expect {subject.serialize}.to raise_error
end
it 'should raise an Exception for Nil' do
subject.value = nil
expect {subject.serialize}.to raise_error
end
end
context '#parse' do
it "should parse a raw #{values[:bits].to_s}-bit integer from a string" do
expect(subject.parse(values[:alt_hex])).to eq(values[:size])
expect(subject.value).to eq(values[:alt])
end
it "should use an offset to find the #{values[:bits].to_s}-bit integer in the string" do
expect(subject.parse("Value:#{values[:alt_hex]}",6)).to eq(values[:size])
expect(subject.value).to eq(values[:alt])
end
it 'should return 0 and not change the value if the string is not big enough' do
expect(subject.parse(values[:small])).to eq(0)
expect(subject.value).to eq(values[:default])
end
end
end
|
