Bring back support for 1.9.3

.travis.yml

@@ -4,12 +4,13 @@ script: "bundle exec rake ci"
 env:
   - TRAVIS=true
 rvm:
+  - '1.9'
   - '2.0'
   - '2.1'
-  - rbx-2
+  - rbx
 matrix:
   allow_failures:
-    - rvm: rbx-2 # travis does not maintain rbx setup correctly
+    - rvm: rbx
 notifications:
   irc:
     channels:

config/flay.yml

@@ -1,3 +1,3 @@
 ---
 threshold: 18
-total_score: 1224
+total_score: 1220

lib/mutant.rb

@@ -218,7 +218,6 @@ require 'mutant/reporter/cli'
 require 'mutant/reporter/cli/printer'
 require 'mutant/reporter/cli/tput'
 require 'mutant/reporter/cli/format'
-require 'mutant/line_trace'
 require 'mutant/zombifier'
 require 'mutant/zombifier/file'
 

lib/mutant/line_trace.rb

@@ -1,34 +0,0 @@
-module Mutant
-  # Line tracer
-  class LineTrace
-    include Adamantium::Flat, Concord.new(:contents)
-
-    private_class_method :new
-
-    # Test if trace coveres file at lineno
-    #
-    # @param [String] file
-    # @param [Fixnum] lineno
-    #
-    # @return [Boolean]
-    #
-    def cover?(file, lineno)
-      contents.fetch(file) { return false }.include?(lineno)
-    end
-
-    # Run block
-    #
-    # @return [Traces]
-    #
-    # @api private
-    #
-    def self.call(&block)
-      traces = Hash.new { |hash, file| hash[file] = Set.new }
-      TracePoint.trace(:return, :line) do |point|
-        traces[point.path] << point.lineno
-      end.tap(&block).disable
-      new(IceNine.deep_freeze(traces))
-    end
-
-  end # LineTrace
-end # Mutant

mutant.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |gem|
   gem.extra_rdoc_files = %w[TODO LICENSE]
   gem.executables      = %w[mutant]
 
-  gem.required_ruby_version = '>= 2.0.0'
+  gem.required_ruby_version = '>= 1.9.3'
 
   gem.add_runtime_dependency('parser',        '~> 2.2.0.2')
   gem.add_runtime_dependency('ast',           '~> 2.0')
@@ -30,7 +30,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency('morpher',       '~> 0.2.3')
   gem.add_runtime_dependency('procto',        '~> 0.0.2')
   gem.add_runtime_dependency('abstract_type', '~> 0.0.7')
-  gem.add_runtime_dependency('unparser',      '~> 0.2.0')
+  gem.add_runtime_dependency('unparser',      '~> 0.2.2')
   gem.add_runtime_dependency('ice_nine',      '~> 0.11.1')
   gem.add_runtime_dependency('adamantium',    '~> 0.2.0')
   gem.add_runtime_dependency('memoizable',    '~> 0.4.2')

spec/unit/mutant/line_trace_spec.rb

@@ -1,38 +0,0 @@
-RSpec.describe Mutant::LineTrace do
-  let(:object) { described_class }
-
-  test_a_line = __LINE__ + 2
-  def test_a
-    test_b
-  end
-
-  test_b_line = __LINE__ + 2
-  def test_b
-  end
-
-  test_c_line = __LINE__ + 2
-  def test_c
-  end
-
-  shared_examples_for 'line trace' do
-    it 'returns correct trace results' do
-      expect(subject.cover?(__FILE__, test_a_line)).to be(true)
-      expect(subject.cover?(__FILE__, test_b_line)).to be(true)
-      expect(subject.cover?(__FILE__, test_c_line)).to be(false)
-      expect(subject.cover?(__FILE__, __LINE__)).to be(false)
-      expect(subject.cover?('/dev/null', test_a_line)).to be(false)
-    end
-  end
-
-  describe '.cover?' do
-    subject { object.call { test_a } }
-
-    include_examples 'line trace'
-  end
-
-  describe '.call' do
-    subject { object.call { test_a } }
-
-    include_examples 'line trace'
-  end
-end

spec/unit/mutant/reporter/trace_spec.rb

@@ -4,6 +4,6 @@ RSpec.describe Mutant::Reporter::Trace do
   describe '#delay' do
     subject { object.delay }
 
-    it { should equal(0.0) }
+    it { should eql(0.0) }
   end
 end