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https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1bc6c3f407
When copying `leave` insn, TRACE also should be copied if it is present, but this optimization is trivial and not worth the complexity. [ruby-core:91366] [Bug #15578]4cae5353c05afd479de6git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66977 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
699 lines
17 KiB
Ruby
699 lines
17 KiB
Ruby
# frozen_string_literal: false
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require "test/unit"
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require "coverage"
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require "tmpdir"
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require "envutil"
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class TestCoverage < Test::Unit::TestCase
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def test_result_without_start
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assert_in_out_err(%w[-rcoverage], <<-"end;", [], /coverage measurement is not enabled/)
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Coverage.result
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p :NG
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end;
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end
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def test_peek_result_without_start
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assert_in_out_err(%w[-rcoverage], <<-"end;", [], /coverage measurement is not enabled/)
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Coverage.peek_result
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p :NG
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end;
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end
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def test_result_with_nothing
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assert_in_out_err(%w[-rcoverage], <<-"end;", ["{}"], [])
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Coverage.start
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p Coverage.result
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end;
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end
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def test_coverage_running?
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assert_in_out_err(%w[-rcoverage], <<-"end;", ["false", "true", "true", "false"], [])
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p Coverage.running?
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Coverage.start
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p Coverage.running?
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Coverage.peek_result
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p Coverage.running?
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Coverage.result
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p Coverage.running?
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end;
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end
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def test_coverage_snapshot
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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f.puts <<-EOS
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def coverage_test_snapshot
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:ok
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end
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EOS
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end
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assert_in_out_err(%w[-rcoverage], <<-"end;", ["[1, 0, nil]", "[1, 1, nil]", "[1, 1, nil]"], [])
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Coverage.start
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tmp = Dir.pwd
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require tmp + "/test.rb"
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cov = Coverage.peek_result[tmp + "/test.rb"]
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coverage_test_snapshot
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cov2 = Coverage.peek_result[tmp + "/test.rb"]
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p cov
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p cov2
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p Coverage.result[tmp + "/test.rb"]
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end;
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}
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}
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end
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def test_restarting_coverage
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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tmp = Dir.pwd
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File.open("test.rb", "w") do |f|
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f.puts <<-EOS
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def coverage_test_restarting
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:ok
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end
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EOS
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end
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File.open("test2.rb", "w") do |f|
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f.puts <<-EOS
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itself
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EOS
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end
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exp1 = { "#{tmp}/test.rb" => [1, 0, nil] }.inspect
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exp2 = {}.inspect
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exp3 = { "#{tmp}/test2.rb" => [1] }.inspect
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assert_in_out_err(%w[-rcoverage], <<-"end;", [exp1, exp2, exp3], [])
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Coverage.start
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tmp = Dir.pwd
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require tmp + "/test.rb"
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p Coverage.result
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# Restart coverage but '/test.rb' is required before restart,
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# so coverage is not recorded.
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Coverage.start
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coverage_test_restarting
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p Coverage.result
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# Restart coverage and '/test2.rb' is required after restart,
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# so coverage is recorded.
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Coverage.start
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require tmp + "/test2.rb"
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p Coverage.result
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end;
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}
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}
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end
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def test_big_code
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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f.puts "__id__\n" * 10000
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f.puts "def ignore(x); end"
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f.puts "ignore([1"
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f.puts "])"
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end
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assert_in_out_err(%w[-rcoverage], <<-"end;", ["10003"], [])
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Coverage.start
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tmp = Dir.pwd
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require tmp + '/test.rb'
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p Coverage.result[tmp + '/test.rb'].size
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end;
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}
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}
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end
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def test_eval
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bug13305 = '[ruby-core:80079] [Bug #13305]'
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.open("test.rb", "w") do |f|
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f.puts 'REPEATS = 400'
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f.puts 'def add_method(target)'
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f.puts ' REPEATS.times do'
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f.puts ' target.class_eval(<<~RUBY, __FILE__, __LINE__ + 1)'
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f.puts ' def foo'
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f.puts ' #{"\n" * rand(REPEATS)}'
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f.puts ' end'
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f.puts ' 1'
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f.puts ' RUBY'
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f.puts ' end'
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f.puts 'end'
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end
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assert_in_out_err(%w[-W0 -rcoverage], <<-"end;", ["[1, 1, 1, 400, nil, nil, nil, nil, nil, nil, nil]"], [], bug13305)
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Coverage.start
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tmp = Dir.pwd
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require tmp + '/test.rb'
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add_method(Class.new)
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p Coverage.result[tmp + "/test.rb"]
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end;
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}
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}
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end
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def test_nocoverage_optimized_line
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assert_ruby_status(%w[], "#{<<-"begin;"}\n#{<<-'end;'}")
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begin;
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def foo(x)
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x # optimized away
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nil
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end
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end;
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end
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def test_coverage_optimized_branch
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result = {
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:branches => {
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[:"&.", 0, 1, 0, 1, 8] => {
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[:then, 1, 1, 0, 1, 8] => 0,
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[:else, 2, 1, 0, 1, 8] => 1,
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},
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},
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}
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assert_coverage(<<~"end;", { branches: true }, result) # Bug #15476
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nil&.foo
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end;
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end
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def assert_coverage(code, opt, stdout)
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stdout = [stdout] unless stdout.is_a?(Array)
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stdout = stdout.map {|s| s.to_s }
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Dir.mktmpdir {|tmp|
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Dir.chdir(tmp) {
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File.write("test.rb", code)
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assert_in_out_err(%w[-W0 -rcoverage], <<-"end;", stdout, [])
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Coverage.start(#{ opt })
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tmp = Dir.pwd
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require tmp + '/test.rb'
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r = Coverage.result[tmp + "/test.rb"]
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if r[:methods]
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h = {}
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r[:methods].keys.sort_by {|key| key.drop(1) }.each do |key|
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h[key] = r[:methods][key]
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end
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r[:methods].replace h
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end
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p r
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end;
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}
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}
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end
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def test_line_coverage_for_multiple_lines
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result = {
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:lines => [nil, 1, nil, nil, nil, 1, nil, nil, nil, 1, nil, 1, nil, nil, nil, nil, 1, 1, nil, 1, nil, nil, nil, nil, 1]
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}
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assert_coverage(<<~"end;", { lines: true }, result) # Bug #14191
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FOO = [
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{ foo: 'bar' },
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{ bar: 'baz' }
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]
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'some string'.split
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.map(&:length)
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some =
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'value'
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Struct.new(
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:foo,
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:bar
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).new
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class Test
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def foo(bar)
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{
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foo: bar
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}
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end
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end
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Test.new.foo(Object.new)
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end;
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end
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def test_branch_coverage_for_if_statement
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result = {
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:branches => {
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[:if , 0, 2, 2, 6, 5] => {[:then, 1, 3, 4, 3, 5]=>2, [:else, 2, 5, 4, 5, 5]=>1},
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[:unless, 3, 8, 2, 12, 5] => {[:else, 4, 11, 4, 11, 5]=>2, [:then, 5, 9, 4, 9, 5]=>1},
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[:if , 6, 14, 2, 16, 5] => {[:then, 7, 15, 4, 15, 5]=>2, [:else, 8, 14, 2, 16, 5]=>1},
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[:unless, 9, 18, 2, 20, 5] => {[:else, 10, 18, 2, 20, 5]=>2, [:then, 11, 19, 4, 19, 5]=>1},
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[:if , 12, 22, 2, 22, 13] => {[:then, 13, 22, 2, 22, 3]=>2, [:else, 14, 22, 2, 22, 13]=>1},
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[:unless, 15, 23, 2, 23, 17] => {[:else, 16, 23, 2, 23, 17]=>2, [:then, 17, 23, 2, 23, 3]=>1},
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[:if , 18, 25, 2, 25, 16] => {[:then, 19, 25, 11, 25, 12]=>2, [:else, 20, 25, 15, 25, 16]=>1},
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}
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}
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assert_coverage(<<~"end;", { branches: true }, result)
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def foo(x)
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if x == 0
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0
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else
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1
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end
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unless x == 0
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0
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else
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1
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end
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if x == 0
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0
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end
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unless x == 0
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0
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end
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0 if x == 0
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0 unless x == 0
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x == 0 ? 0 : 1
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end
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foo(0)
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foo(0)
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foo(1)
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end;
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end
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def test_branch_coverage_for_while_statement
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result = {
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:branches => {
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[:while, 0, 2, 0, 4, 3] => {[:body, 1, 3, 2, 3, 8]=> 3},
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[:until, 2, 5, 0, 7, 3] => {[:body, 3, 6, 2, 6, 8]=>10},
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[:while, 4, 10, 0, 10, 18] => {[:body, 5, 10, 0, 10, 6]=> 3},
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[:until, 6, 11, 0, 11, 20] => {[:body, 7, 11, 0, 11, 6]=>10},
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}
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}
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assert_coverage(<<~"end;", { branches: true }, result)
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x = 3
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while x > 0
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x -= 1
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end
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until x == 10
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x += 1
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end
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y = 3
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y -= 1 while y > 0
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y += 1 until y == 10
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end;
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end
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def test_branch_coverage_for_case_statement
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result = {
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:branches => {
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[:case, 0, 2, 2, 7, 5] => {[:when, 1, 4, 4, 4, 5]=>2, [:when, 2, 6, 4, 6, 5]=>0, [:else, 3, 2, 2, 7, 5]=>1},
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[:case, 4, 9, 2, 14, 5] => {[:when, 5, 11, 4, 11, 5]=>2, [:when, 6, 13, 4, 13, 5]=>0, [:else, 7, 9, 2, 14, 5]=>1},
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[:case, 8, 16, 2, 23, 5] => {[:when, 9, 18, 4, 18, 5]=>2, [:when, 10, 20, 4, 20, 5]=>0, [:else, 11, 22, 4, 22, 10]=>1},
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[:case, 12, 25, 2, 32, 5] => {[:when, 13, 27, 4, 27, 5]=>2, [:when, 14, 29, 4, 29, 5]=>0, [:else, 15, 31, 4, 31, 10]=>1},
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}
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}
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assert_coverage(<<~"end;", { branches: true }, result)
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def foo(x)
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case x
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when 0
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0
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when 1
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1
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end
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case
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when x == 0
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0
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when x == 1
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1
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end
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case x
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when 0
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0
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when 1
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1
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else
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:other
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end
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case
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when x == 0
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0
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when x == 1
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1
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else
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:other
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end
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end
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foo(0)
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foo(0)
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foo(2)
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end;
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end
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def test_branch_coverage_for_safe_method_invocation
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result = {
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:branches=>{
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[:"&.", 0, 6, 0, 6, 6] => {[:then, 1, 6, 0, 6, 6]=>1, [:else, 2, 6, 0, 6, 6]=>0},
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[:"&.", 3, 7, 0, 7, 6] => {[:then, 4, 7, 0, 7, 6]=>0, [:else, 5, 7, 0, 7, 6]=>1},
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[:"&.", 6, 8, 0, 8, 10] => {[:then, 7, 8, 0, 8, 10]=>1, [:else, 8, 8, 0, 8, 10]=>0},
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[:"&.", 9, 9, 0, 9, 10] => {[:then, 10, 9, 0, 9, 10]=>0, [:else, 11, 9, 0, 9, 10]=>1},
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}
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}
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assert_coverage(<<~"end;", { branches: true }, result)
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class Dummy; def foo; end; def foo=(x); end; end
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a = Dummy.new
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b = nil
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c = Dummy.new
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d = nil
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a&.foo
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b&.foo
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c&.foo = 1
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d&.foo = 1
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end;
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end
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def test_method_coverage
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result = {
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:methods => {
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[Object, :bar, 2, 0, 3, 3] => 1,
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[Object, :baz, 4, 1, 4, 13] => 0,
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[Object, :foo, 1, 0, 1, 12] => 2,
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}
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}
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assert_coverage(<<~"end;", { methods: true }, result)
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def foo; end
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def bar
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end
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def baz; end
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foo
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foo
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bar
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end;
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end
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def test_method_coverage_for_define_method
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result = {
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:methods => {
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[Object, :a, 6, 18, 6, 25] => 2,
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[Object, :b, 7, 18, 8, 3] => 0,
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[Object, :bar, 2, 20, 3, 1] => 1,
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[Object, :baz, 4, 9, 4, 11] => 0,
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[Object, :foo, 1, 20, 1, 22] => 2,
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}
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}
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assert_coverage(<<~"end;", { methods: true }, result)
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define_method(:foo) {}
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define_method(:bar) {
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}
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f = proc {}
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define_method(:baz, &f)
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define_method(:a) do; end
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define_method(:b) do
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end
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foo
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foo
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bar
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a
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a
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end;
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end
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class DummyConstant < String
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def inspect
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self
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end
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end
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def test_method_coverage_for_alias
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_C = DummyConstant.new("C")
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_M = DummyConstant.new("M")
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code = <<~"end;"
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module M
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def foo
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end
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alias bar foo
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end
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class C
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include M
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def baz
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end
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alias qux baz
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end
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end;
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result = {
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:methods => {
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[_C, :baz, 8, 2, 9, 5] => 0,
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[_M, :foo, 2, 2, 3, 5] => 0,
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}
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}
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assert_coverage(code, { methods: true }, result)
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result = {
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:methods => {
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[_C, :baz, 8, 2, 9, 5] => 12,
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[_M, :foo, 2, 2, 3, 5] => 3,
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}
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}
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assert_coverage(code + <<~"end;", { methods: true }, result)
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obj = C.new
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1.times { obj.foo }
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2.times { obj.bar }
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4.times { obj.baz }
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8.times { obj.qux }
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end;
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end
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def test_method_coverage_for_singleton_class
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_singleton_Foo = DummyConstant.new("#<Class:Foo>")
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_Foo = DummyConstant.new("Foo")
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code = <<~"end;"
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class Foo
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def foo
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end
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alias bar foo
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def self.baz
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end
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class << self
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alias qux baz
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end
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end
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1.times { Foo.new.foo }
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2.times { Foo.new.bar }
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4.times { Foo.baz }
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8.times { Foo.qux }
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end;
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result = {
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:methods => {
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[_singleton_Foo, :baz, 5, 2, 6, 5] => 12,
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[_Foo, :foo, 2, 2, 3, 5] => 3,
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}
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}
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assert_coverage(code, { methods: true }, result)
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end
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def test_oneshot_line_coverage
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result = {
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:oneshot_lines => [2, 6, 10, 12, 17, 18, 25, 20]
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}
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assert_coverage(<<~"end;", { oneshot_lines: true }, result)
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FOO = [
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{ foo: 'bar' }, # 2
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{ bar: 'baz' }
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]
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'some string'.split # 6
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.map(&:length)
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some =
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'value' # 10
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Struct.new( # 12
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:foo,
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:bar
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).new
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class Test # 17
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def foo(bar) # 18
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{
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foo: bar # 20
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}
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end
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end
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Test.new.foo(Object.new) # 25
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end;
|
|
end
|
|
|
|
def test_clear_with_lines
|
|
Dir.mktmpdir {|tmp|
|
|
Dir.chdir(tmp) {
|
|
File.open("test.rb", "w") do |f|
|
|
f.puts "def foo(x)"
|
|
f.puts " if x > 0"
|
|
f.puts " :pos"
|
|
f.puts " else"
|
|
f.puts " :non_pos"
|
|
f.puts " end"
|
|
f.puts "end"
|
|
end
|
|
|
|
exp = [
|
|
"{:lines=>[1, 0, 0, nil, 0, nil, nil]}",
|
|
"{:lines=>[0, 1, 1, nil, 0, nil, nil]}",
|
|
"{:lines=>[0, 1, 0, nil, 1, nil, nil]}",
|
|
]
|
|
assert_in_out_err(%w[-rcoverage], <<-"end;", exp, [])
|
|
Coverage.start(lines: true)
|
|
tmp = Dir.pwd
|
|
f = tmp + "/test.rb"
|
|
require f
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result[f]
|
|
end;
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_clear_with_branches
|
|
Dir.mktmpdir {|tmp|
|
|
Dir.chdir(tmp) {
|
|
File.open("test.rb", "w") do |f|
|
|
f.puts "def foo(x)"
|
|
f.puts " if x > 0"
|
|
f.puts " :pos"
|
|
f.puts " else"
|
|
f.puts " :non_pos"
|
|
f.puts " end"
|
|
f.puts "end"
|
|
end
|
|
|
|
exp = [
|
|
"{:branches=>{[:if, 0, 2, 2, 6, 5]=>{[:then, 1, 3, 4, 3, 8]=>0, [:else, 2, 5, 4, 5, 12]=>0}}}",
|
|
"{:branches=>{[:if, 0, 2, 2, 6, 5]=>{[:then, 1, 3, 4, 3, 8]=>1, [:else, 2, 5, 4, 5, 12]=>0}}}",
|
|
"{:branches=>{[:if, 0, 2, 2, 6, 5]=>{[:then, 1, 3, 4, 3, 8]=>0, [:else, 2, 5, 4, 5, 12]=>1}}}",
|
|
"{:branches=>{[:if, 0, 2, 2, 6, 5]=>{[:then, 1, 3, 4, 3, 8]=>0, [:else, 2, 5, 4, 5, 12]=>1}}}",
|
|
]
|
|
assert_in_out_err(%w[-rcoverage], <<-"end;", exp, [])
|
|
Coverage.start(branches: true)
|
|
tmp = Dir.pwd
|
|
f = tmp + "/test.rb"
|
|
require f
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
end;
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_clear_with_methods
|
|
Dir.mktmpdir {|tmp|
|
|
Dir.chdir(tmp) {
|
|
File.open("test.rb", "w") do |f|
|
|
f.puts "def foo(x)"
|
|
f.puts " if x > 0"
|
|
f.puts " :pos"
|
|
f.puts " else"
|
|
f.puts " :non_pos"
|
|
f.puts " end"
|
|
f.puts "end"
|
|
end
|
|
|
|
exp = [
|
|
"{:methods=>{[Object, :foo, 1, 0, 7, 3]=>0}}",
|
|
"{:methods=>{[Object, :foo, 1, 0, 7, 3]=>1}}",
|
|
"{:methods=>{[Object, :foo, 1, 0, 7, 3]=>1}}",
|
|
"{:methods=>{[Object, :foo, 1, 0, 7, 3]=>1}}"
|
|
]
|
|
assert_in_out_err(%w[-rcoverage], <<-"end;", exp, [])
|
|
Coverage.start(methods: true)
|
|
tmp = Dir.pwd
|
|
f = tmp + "/test.rb"
|
|
require f
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
end;
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_clear_with_oneshot_lines
|
|
Dir.mktmpdir {|tmp|
|
|
Dir.chdir(tmp) {
|
|
File.open("test.rb", "w") do |f|
|
|
f.puts "def foo(x)"
|
|
f.puts " if x > 0"
|
|
f.puts " :pos"
|
|
f.puts " else"
|
|
f.puts " :non_pos"
|
|
f.puts " end"
|
|
f.puts "end"
|
|
end
|
|
|
|
exp = [
|
|
"{:oneshot_lines=>[1]}",
|
|
"{:oneshot_lines=>[2, 3]}",
|
|
"{:oneshot_lines=>[5]}",
|
|
"{:oneshot_lines=>[]}",
|
|
]
|
|
assert_in_out_err(%w[-rcoverage], <<-"end;", exp, [])
|
|
Coverage.start(oneshot_lines: true)
|
|
tmp = Dir.pwd
|
|
f = tmp + "/test.rb"
|
|
require f
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
foo(-1)
|
|
p Coverage.result(stop: false, clear: true)[f]
|
|
end;
|
|
}
|
|
}
|
|
end
|
|
|
|
def test_line_stub
|
|
Dir.mktmpdir {|tmp|
|
|
Dir.chdir(tmp) {
|
|
File.open("test.rb", "w") do |f|
|
|
f.puts "def foo(x)"
|
|
f.puts " if x > 0"
|
|
f.puts " :pos"
|
|
f.puts " else"
|
|
f.puts " :non_pos"
|
|
f.puts " end"
|
|
f.puts "end"
|
|
end
|
|
|
|
assert_equal([0, 0, 0, nil, 0, nil, nil], Coverage.line_stub("test.rb"))
|
|
}
|
|
}
|
|
end
|
|
end
|