1 files changed, 15 insertions, 14 deletions
diff --git a/test/rubygems/test_gem_ext_configure_builder.rb b/test/rubygems/test_gem_ext_configure_builder.rb
index 76ccfe2dc4..6a2f9883f0 100644
--- a/test/rubygems/test_gem_ext_configure_builder.rb
+++ b/test/rubygems/test_gem_ext_configure_builder.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
-require_relative 'helper'
-require 'rubygems/ext'
+
+require_relative "helper"
+require "rubygems/ext"
 
 class TestGemExtConfigureBuilder < Gem::TestCase
   def setup
@@ -9,8 +10,8 @@ class TestGemExtConfigureBuilder < Gem::TestCase
     @makefile_body =
       "clean:\n\t@echo ok\nall:\n\t@echo ok\ninstall:\n\t@echo ok"
 
-    @ext = File.join @tempdir, 'ext'
-    @dest_path = File.join @tempdir, 'prefix'
+    @ext = File.join @tempdir, "ext"
+    @dest_path = File.join @tempdir, "prefix"
 
     FileUtils.mkdir_p @ext
     FileUtils.mkdir_p @dest_path
@@ -19,7 +20,7 @@ class TestGemExtConfigureBuilder < Gem::TestCase
   def test_self_build
     pend("test_self_build skipped on MS Windows (VC++)") if vc_windows?
 
-    File.open File.join(@ext, './configure'), 'w' do |configure|
+    File.open File.join(@ext, "./configure"), "w" do |configure|
       configure.puts "#!/bin/sh\necho \"#{@makefile_body}\" > Makefile"
     end
 
@@ -31,13 +32,13 @@ class TestGemExtConfigureBuilder < Gem::TestCase
     assert_equal "sh ./configure --prefix\\=#{@dest_path}", output.shift
     assert_equal "", output.shift
     assert_match(/^current directory:/, output.shift)
-    assert_contains_make_command 'clean', output.shift
+    assert_contains_make_command "clean", output.shift
     assert_match(/^ok$/m, output.shift)
     assert_match(/^current directory:/, output.shift)
-    assert_contains_make_command '', output.shift
+    assert_contains_make_command "", output.shift
     assert_match(/^ok$/m, output.shift)
     assert_match(/^current directory:/, output.shift)
-    assert_contains_make_command 'install', output.shift
+    assert_contains_make_command "install", output.shift
     assert_match(/^ok$/m, output.shift)
   end
 
@@ -52,11 +53,11 @@ class TestGemExtConfigureBuilder < Gem::TestCase
     shell_error_msg = %r{(\./configure: .*)|((?:[Cc]an't|cannot) open '?\./configure'?(?:: No such file or directory)?)}
     sh_prefix_configure = "sh ./configure --prefix\\="
 
-    assert_match 'configure failed', error.message
+    assert_match "configure failed", error.message
 
     assert_match(/^current directory:/, output.shift)
     assert_equal "#{sh_prefix_configure}#{@dest_path}", output.shift
-    assert_match %r{#{shell_error_msg}}, output.shift
+    assert_match(/#{shell_error_msg}/, output.shift)
     assert_equal true, output.empty?
   end
 
@@ -65,15 +66,15 @@ class TestGemExtConfigureBuilder < Gem::TestCase
       pend("test_self_build_has_makefile skipped - nmake not found")
     end
 
-    File.open File.join(@ext, 'Makefile'), 'w' do |makefile|
+    File.open File.join(@ext, "Makefile"), "w" do |makefile|
       makefile.puts @makefile_body
     end
 
     output = []
     Gem::Ext::ConfigureBuilder.build nil, @dest_path, output, [], nil, @ext
 
-    assert_contains_make_command 'clean', output[1]
-    assert_contains_make_command '', output[4]
-    assert_contains_make_command 'install', output[7]
+    assert_contains_make_command "clean", output[1]
+    assert_contains_make_command "", output[4]
+    assert_contains_make_command "install", output[7]
   end
 end