Contents

# encoding: utf-8

require 'spec_helper'

describe Optimizer::Function::Predicate::Enumerable::UnoptimizedOperands, '#optimizable?' do
  subject { object.optimizable? }

  let(:attribute) { Attribute::Integer.new(:id)    }
  let(:predicate) { attribute.include(operand)     }
  let(:object)    { described_class.new(predicate) }

  before do
    expect(predicate).to be_kind_of(Function::Predicate::Enumerable)
  end

  context 'when the operand contains an unsorted Enumerable' do
    let(:operand) { [2, 1] }

    it { should be(true) }
  end

  context 'when the operand contains an exclusive Range' do
    let(:operand) { 1...3 }

    it { should be(true) }
  end

  context 'when the operand contains an Enumerable after filtering invalid entries' do
    let(:operand) { ['a', 1, 2] }

    it { should be(true) }
  end

  context 'when the operand contains an Enumerable after filtering duplicate entries' do
    let(:operand) { [1, 1, 2, 2] }

    it { should be(true) }
  end

  context 'when the operand contains a sorted Enumerable' do
    let(:operand) { [1, 2] }

    it { should be(false) }
  end

  context 'when the operand contains an inclusive Range' do
    let(:operand) { 1..2 }

    it { should be(false) }
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
axiom-optimizer-0.2.0	spec/unit/axiom/optimizer/function/predicate/enumerable/unoptimized_operands/optimizable_predicate_spec.rb
axiom-optimizer-0.1.1	spec/unit/axiom/optimizer/function/predicate/enumerable/unoptimized_operands/optimizable_predicate_spec.rb