remove string literal concatenation

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

9 files changed, 21 insertions, 24 deletions

diff --git a/test/json/test_json.rb b/test/json/test_json.rb
index 22cd5ee5a5..1f81cafd48 100755
--- a/test/json/test_json.rb
+++ b/test/json/test_json.rb
@@ -42,8 +42,7 @@ class TestJSON < Test::Unit::TestCase
       'h' => 1000.0,
       'i' => 0.001
     }
-    @json = '{"a":2,"b":3.141,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
-      '"g":"\\"\\u0000\\u001f","h":1.0E3,"i":1.0E-3}'
+    @json = '{"a":2,"b":3.141,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},"g":"\\"\\u0000\\u001f","h":1.0E3,"i":1.0E-3}'
   end
 
   def test_construction
@@ -190,8 +189,7 @@ class TestJSON < Test::Unit::TestCase
     assert_equal([1], parse('[1]'))
     assert_equal([1], parse('  [ 1  ]  '))
     assert_equal(@ary,
-      parse('[[1],["foo"],[3.14],[47.11e+2],[2718.0E-3],[null],[[1,-2,3]]'\
-      ',[false],[true]]'))
+      parse('[[1],["foo"],[3.14],[47.11e+2],[2718.0E-3],[null],[[1,-2,3]],[false],[true]]'))
     assert_equal(@ary, parse(%Q{   [   [1] , ["foo"]  ,  [3.14] \t ,  [47.11e+2]\s
       , [2718.0E-3 ],\r[ null] , [[1, -2, 3 ]], [false ],[ true]\n ]  }))
   end
diff --git a/test/misc/test_ruby_mode.rb b/test/misc/test_ruby_mode.rb
index d654cdc34b..2211a7f9b9 100644
--- a/test/misc/test_ruby_mode.rb
+++ b/test/misc/test_ruby_mode.rb
@@ -19,10 +19,10 @@ class TestRubyMode
   EVAL_OPT = "--eval"
   EXPR_SAVE = "(save-buffer)"
   EXPR_RUBYMODE = "(ruby-mode)"
-  EXPR_NOBACKUP = "(progn" \
-  " (set (make-local-variable \'backup-inhibited) t)" \
-  " (set-buffer-modified-p t)" \
-  ")"
+  EXPR_NOBACKUP = "(progn" <<
+    " (set (make-local-variable \'backup-inhibited) t)" <<
+    " (set-buffer-modified-p t)" <<
+    ")"
 
   def run_emacs(src, *exprs)
     tmp = Tempfile.new(%w"ruby-mode.test. .rb")
diff --git a/test/ripper/test_scanner_events.rb b/test/ripper/test_scanner_events.rb
index bcbbf0192c..78d1f6495b 100644
--- a/test/ripper/test_scanner_events.rb
+++ b/test/ripper/test_scanner_events.rb
@@ -656,13 +656,13 @@ class TestRipper::ScannerEvents < Test::Unit::TestCase
     assert_equal ['<<-EOS'],
                  scan('heredoc_beg', "<<-EOS\nheredoc\n\tEOS \n")
     assert_equal ['<<"EOS"'],
-                 scan('heredoc_beg', '<<"EOS"'"\nheredoc\nEOS")
+                 scan('heredoc_beg', "<<\"EOS\"\nheredoc\nEOS")
     assert_equal ["<<'EOS'"],
                  scan('heredoc_beg', "<<'EOS'\nheredoc\nEOS")
     assert_equal ['<<`EOS`'],
                  scan('heredoc_beg', "<<`EOS`\nheredoc\nEOS")
     assert_equal ['<<" "'],
-                 scan('heredoc_beg', '<<" "'"\nheredoc\nEOS")
+                 scan('heredoc_beg', "<<\" \"\nheredoc\nEOS")
   end
 
   def test_tstring_content_HEREDOC
diff --git a/test/ruby/envutil.rb b/test/ruby/envutil.rb
index 3e04f55c0c..53dd210868 100644
--- a/test/ruby/envutil.rb
+++ b/test/ruby/envutil.rb
@@ -209,9 +209,9 @@ module Test
           "-v", "-",
         ]
         cmd = [
-          'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new.size}"}',
+          %Q[END {STDERR.puts #{token_dump}+"FINAL=\#{Memory::Status.new.size}"}],
           prepare,
-          'STDERR.puts('"#{token_dump}"'"START=#{$initial_size = Memory::Status.new.size}")',
+          %Q[STDERR.puts(#{token_dump}+"START=\#{$initial_size = Memory::Status.new.size}")],
           code,
         ].join("\n")
         _, err, status = EnvUtil.invoke_ruby(args, cmd, true, true)
diff --git a/test/ruby/test_literal.rb b/test/ruby/test_literal.rb
index c34874e4a6..d9b999d22f 100644
--- a/test/ruby/test_literal.rb
+++ b/test/ruby/test_literal.rb
@@ -56,6 +56,7 @@ class TestRubyLiteral < Test::Unit::TestCase
     assert_equal "\n", "\n"
     bug2500 = '[ruby-core:27228]'
     bug5262 = '[ruby-core:39222]'
+    verbose, $VERBOSE = $VERBOSE, nil
     %w[c C- M-].each do |pre|
       ["u", %w[u{ }]].each do |open, close|
         ["?", ['"', '"']].each do |qopen, qclose|
@@ -89,6 +90,8 @@ class TestRubyLiteral < Test::Unit::TestCase
     assert_equal "\u201c", eval(%[?\\\u{201c}]), bug6069
     assert_equal "\u201c".encode("euc-jp"), eval(%[?\\\u{201c}].encode("euc-jp")), bug6069
     assert_equal "\u201c".encode("iso-8859-13"), eval(%[?\\\u{201c}].encode("iso-8859-13")), bug6069
+  ensure
+    $VERBOSE = verbose
   end
 
   def test_dstring
diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 8623960b42..f4d8644e6a 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -560,7 +560,7 @@ FOO
     end
 
     assert_nothing_raised do
-      eval "x = <<""FOO\r\n1\r\nFOO"
+      eval "x = <\<FOO\r\n1\r\nFOO"
     end
     assert_equal("1\n", x)
   end
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index c39a45afe8..9fedcc6ddf 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -303,9 +303,9 @@ class TestRubyOptions < Test::Unit::TestCase
     end
 
     bug4118 = '[ruby-dev:42680]'
-    assert_in_out_err(%w[], "#!/bin/sh\n""#!shebang\n""#!ruby\n""puts __LINE__\n",
+    assert_in_out_err(%w[], "#!/bin/sh\n#!shebang\n#!ruby\nputs __LINE__\n",
                       %w[4], [], bug4118)
-    assert_in_out_err(%w[-x], "#!/bin/sh\n""#!shebang\n""#!ruby\n""puts __LINE__\n",
+    assert_in_out_err(%w[-x], "#!/bin/sh\n#!shebang\n#!ruby\nputs __LINE__\n",
                       %w[4], [], bug4118)
   end
 
@@ -498,22 +498,22 @@ class TestRubyOptions < Test::Unit::TestCase
     assert_in_out_err(["-we", "def foo\n  eval('a=1')\nend"], "", [], [], feature3446)
     assert_in_out_err(["-we", "1.times do\n  a=1\nend"], "", [], [], feature3446)
     assert_in_out_err(["-we", "def foo\n  1.times do\n    a=1\n  end\nend"], "", [], ["-e:3: warning: assigned but unused variable - a"], feature3446)
-    assert_in_out_err(["-we", "def foo\n""  1.times do |a| end\n""end"], "", [], [])
+    assert_in_out_err(["-we", "def foo\n  1.times do |a| end\nend"], "", [], [])
     feature6693 = '[ruby-core:46160]'
     assert_in_out_err(["-we", "def foo\n  _a=1\nend"], "", [], [], feature6693)
   end
 
   def test_shadowing_variable
     bug4130 = '[ruby-dev:42718]'
-    assert_in_out_err(["-we", "def foo\n""  a=1\n""  1.times do |a| end\n""  a\n""end"],
+    assert_in_out_err(["-we", "def foo\n  a=1\n  1.times do |a| end\n  a\nend"],
                       "", [], ["-e:3: warning: shadowing outer local variable - a"], bug4130)
-    assert_in_out_err(["-we", "def foo\n""  a=1\n""  1.times do |a| end\n""end"],
+    assert_in_out_err(["-we", "def foo\n  a=1\n  1.times do |a| end\nend"],
                       "", [],
                       ["-e:3: warning: shadowing outer local variable - a",
                        "-e:2: warning: assigned but unused variable - a",
                       ], bug4130)
     feature6693 = '[ruby-core:46160]'
-    assert_in_out_err(["-we", "def foo\n""  _a=1\n""  1.times do |_a| end\n""end"],
+    assert_in_out_err(["-we", "def foo\n  _a=1\n  1.times do |_a| end\nend"],
                       "", [], [], feature6693)
   end
 
diff --git a/test/ruby/test_stringchar.rb b/test/ruby/test_stringchar.rb
index 4cae57f85f..7a4f77d967 100644
--- a/test/ruby/test_stringchar.rb
+++ b/test/ruby/test_stringchar.rb
@@ -5,10 +5,6 @@ class TestStringchar < Test::Unit::TestCase
     assert_equal("abcd", "abcd")
     assert_match(/abcd/, "abcd")
     assert("abcd" === "abcd")
-    # compile time string concatenation
-    assert_equal("abcd", "ab" "cd")
-    assert_equal("22aacd44", "#{22}aa" "cd#{44}")
-    assert_equal("22aacd445566", "#{22}aa" "cd#{44}" "55" "#{66}")
     assert("abc" !~ /^$/)
     assert("abc\n" !~ /^$/)
     assert("abc" !~ /^d*$/)
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 49522c42cd..eecc21e710 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -118,7 +118,7 @@ class TestSyntax < Test::Unit::TestCase
 
   def test_warn_unreachable
     assert_warn("test:3: warning: statement not reached\n") do
-      code = "loop do\n" "break\n" "foo\n" "end"
+      code = "loop do\nbreak\nfoo\nend"
       assert_valid_syntax(code, "test") {$VERBOSE = true}
     end
   end