Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

29 files changed, 431 insertions, 0 deletions

diff --git a/spec/rubyspec/fixtures/code/a/load_fixture.bundle b/spec/rubyspec/fixtures/code/a/load_fixture.bundle
new file mode 100644
index 0000000000..30b53d7c0c
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/a/load_fixture.bundle
@@ -0,0 +1 @@
+ScratchPad << :ext_bundle
diff --git a/spec/rubyspec/fixtures/code/a/load_fixture.dll b/spec/rubyspec/fixtures/code/a/load_fixture.dll
new file mode 100644
index 0000000000..77c65b315b
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/a/load_fixture.dll
@@ -0,0 +1 @@
+ScratchPad << :ext_dll
diff --git a/spec/rubyspec/fixtures/code/a/load_fixture.so b/spec/rubyspec/fixtures/code/a/load_fixture.so
new file mode 100644
index 0000000000..4d02dea086
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/a/load_fixture.so
@@ -0,0 +1 @@
+ScratchPad << :ext_so
diff --git a/spec/rubyspec/fixtures/code/b/load_fixture.rb b/spec/rubyspec/fixtures/code/b/load_fixture.rb
new file mode 100644
index 0000000000..4a6e9c9601
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/b/load_fixture.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/concurrent.rb b/spec/rubyspec/fixtures/code/concurrent.rb
new file mode 100644
index 0000000000..054b8fc055
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/concurrent.rb
@@ -0,0 +1,12 @@
+ScratchPad.recorded << :con_pre
+Thread.current[:in_concurrent_rb] = true
+
+if t = Thread.current[:wait_for]
+  Thread.pass until t.backtrace && t.backtrace.any? { |call| call.include? 'require' }
+end
+
+if Thread.current[:con_raise]
+  raise "con1"
+end
+
+ScratchPad.recorded << :con_post
diff --git a/spec/rubyspec/fixtures/code/concurrent2.rb b/spec/rubyspec/fixtures/code/concurrent2.rb
new file mode 100644
index 0000000000..08a7264023
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/concurrent2.rb
@@ -0,0 +1,8 @@
+ScratchPad.recorded << :con2_pre
+
+Thread.current[:in_concurrent_rb2] = true
+
+t = Thread.current[:concurrent_require_thread]
+Thread.pass until t[:in_concurrent_rb3]
+
+ScratchPad.recorded << :con2_post
diff --git a/spec/rubyspec/fixtures/code/concurrent3.rb b/spec/rubyspec/fixtures/code/concurrent3.rb
new file mode 100644
index 0000000000..edb441d15d
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/concurrent3.rb
@@ -0,0 +1,2 @@
+ScratchPad.recorded << :con3
+Thread.current[:in_concurrent_rb3] = true
diff --git a/spec/rubyspec/fixtures/code/file_fixture.rb b/spec/rubyspec/fixtures/code/file_fixture.rb
new file mode 100644
index 0000000000..27388c7d8d
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/file_fixture.rb
@@ -0,0 +1 @@
+ScratchPad << __FILE__
diff --git a/spec/rubyspec/fixtures/code/gem/load_fixture.rb b/spec/rubyspec/fixtures/code/gem/load_fixture.rb
new file mode 100644
index 0000000000..e1806de201
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/gem/load_fixture.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded_gem
diff --git a/spec/rubyspec/fixtures/code/line_fixture.rb b/spec/rubyspec/fixtures/code/line_fixture.rb
new file mode 100644
index 0000000000..2a2a0568cd
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/line_fixture.rb
@@ -0,0 +1,5 @@
+ScratchPad << __LINE__
+
+# line 3
+
+ScratchPad << __LINE__
diff --git a/spec/rubyspec/fixtures/code/load_ext_fixture.rb b/spec/rubyspec/fixtures/code/load_ext_fixture.rb
new file mode 100644
index 0000000000..4a6e9c9601
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_ext_fixture.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/load_fixture b/spec/rubyspec/fixtures/code/load_fixture
new file mode 100644
index 0000000000..1b76dc8cad
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture
@@ -0,0 +1 @@
+ScratchPad << :no_ext
diff --git a/spec/rubyspec/fixtures/code/load_fixture.bundle b/spec/rubyspec/fixtures/code/load_fixture.bundle
new file mode 100644
index 0000000000..30b53d7c0c
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.bundle
@@ -0,0 +1 @@
+ScratchPad << :ext_bundle
diff --git a/spec/rubyspec/fixtures/code/load_fixture.dll b/spec/rubyspec/fixtures/code/load_fixture.dll
new file mode 100644
index 0000000000..77c65b315b
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.dll
@@ -0,0 +1 @@
+ScratchPad << :ext_dll
diff --git a/spec/rubyspec/fixtures/code/load_fixture.ext b/spec/rubyspec/fixtures/code/load_fixture.ext
new file mode 100644
index 0000000000..f25b8e2951
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.ext
@@ -0,0 +1 @@
+ScratchPad << :no_rb_ext
diff --git a/spec/rubyspec/fixtures/code/load_fixture.ext.bundle b/spec/rubyspec/fixtures/code/load_fixture.ext.bundle
new file mode 100644
index 0000000000..30b53d7c0c
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.ext.bundle
@@ -0,0 +1 @@
+ScratchPad << :ext_bundle
diff --git a/spec/rubyspec/fixtures/code/load_fixture.ext.dll b/spec/rubyspec/fixtures/code/load_fixture.ext.dll
new file mode 100644
index 0000000000..77c65b315b
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.ext.dll
@@ -0,0 +1 @@
+ScratchPad << :ext_dll
diff --git a/spec/rubyspec/fixtures/code/load_fixture.ext.rb b/spec/rubyspec/fixtures/code/load_fixture.ext.rb
new file mode 100644
index 0000000000..4a6e9c9601
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.ext.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/load_fixture.ext.so b/spec/rubyspec/fixtures/code/load_fixture.ext.so
new file mode 100644
index 0000000000..4d02dea086
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.ext.so
@@ -0,0 +1 @@
+ScratchPad << :ext_so
diff --git a/spec/rubyspec/fixtures/code/load_fixture.rb b/spec/rubyspec/fixtures/code/load_fixture.rb
new file mode 100644
index 0000000000..4a6e9c9601
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/load_fixture.so b/spec/rubyspec/fixtures/code/load_fixture.so
new file mode 100644
index 0000000000..4d02dea086
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_fixture.so
@@ -0,0 +1 @@
+ScratchPad << :ext_so
diff --git a/spec/rubyspec/fixtures/code/load_wrap_method_fixture.rb b/spec/rubyspec/fixtures/code/load_wrap_method_fixture.rb
new file mode 100644
index 0000000000..b617473b4d
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/load_wrap_method_fixture.rb
@@ -0,0 +1,9 @@
+def top_level_method
+  ::ScratchPad << :load_wrap_loaded
+end
+
+begin
+  top_level_method
+rescue NameError
+  ::ScratchPad << :load_wrap_error
+end
diff --git a/spec/rubyspec/fixtures/code/methods_fixture.rb b/spec/rubyspec/fixtures/code/methods_fixture.rb
new file mode 100644
index 0000000000..d42b5e4018
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/methods_fixture.rb
@@ -0,0 +1,364 @@
+def foo1
+end
+
+def foo2
+end
+
+def foo3
+end
+
+def foo4
+end
+
+def foo5
+end
+
+def foo6
+end
+
+def foo7
+end
+
+def foo8
+end
+
+def foo9
+end
+
+def foo10
+end
+
+def foo11
+end
+
+def foo12
+end
+
+def foo13
+end
+
+def foo14
+end
+
+def foo15
+end
+
+def foo16
+end
+
+def foo17
+end
+
+def foo18
+end
+
+def foo19
+end
+
+def foo20
+end
+
+def foo21
+end
+
+def foo22
+end
+
+def foo23
+end
+
+def foo24
+end
+
+def foo25
+end
+
+def foo26
+end
+
+def foo27
+end
+
+def foo28
+end
+
+def foo29
+end
+
+def foo30
+end
+
+def foo31
+end
+
+def foo32
+end
+
+def foo33
+end
+
+def foo34
+end
+
+def foo35
+end
+
+def foo36
+end
+
+def foo37
+end
+
+def foo38
+end
+
+def foo39
+end
+
+def foo40
+end
+
+def foo41
+end
+
+def foo42
+end
+
+def foo43
+end
+
+def foo44
+end
+
+def foo45
+end
+
+def foo46
+end
+
+def foo47
+end
+
+def foo48
+end
+
+def foo49
+end
+
+def foo50
+end
+
+def foo51
+end
+
+def foo52
+end
+
+def foo53
+end
+
+def foo54
+end
+
+def foo55
+end
+
+def foo56
+end
+
+def foo57
+end
+
+def foo58
+end
+
+def foo59
+end
+
+def foo60
+end
+
+def foo61
+end
+
+def foo62
+end
+
+def foo63
+end
+
+def foo64
+end
+
+def foo65
+end
+
+def foo66
+end
+
+def foo67
+end
+
+def foo68
+end
+
+def foo69
+end
+
+def foo70
+end
+
+def foo71
+end
+
+def foo72
+end
+
+def foo73
+end
+
+def foo74
+end
+
+def foo75
+end
+
+def foo76
+end
+
+def foo77
+end
+
+def foo78
+end
+
+def foo79
+end
+
+def foo80
+end
+
+def foo81
+end
+
+def foo82
+end
+
+def foo83
+end
+
+def foo84
+end
+
+def foo85
+end
+
+def foo86
+end
+
+def foo87
+end
+
+def foo88
+end
+
+def foo89
+end
+
+def foo90
+end
+
+def foo91
+end
+
+def foo92
+end
+
+def foo93
+end
+
+def foo94
+end
+
+def foo95
+end
+
+def foo96
+end
+
+def foo97
+end
+
+def foo98
+end
+
+def foo99
+end
+
+def foo100
+end
+
+def foo101
+end
+
+def foo102
+end
+
+def foo103
+end
+
+def foo104
+end
+
+def foo105
+end
+
+def foo106
+end
+
+def foo107
+end
+
+def foo108
+end
+
+def foo109
+end
+
+def foo110
+end
+
+def foo111
+end
+
+def foo112
+end
+
+def foo113
+end
+
+def foo114
+end
+
+def foo115
+end
+
+def foo116
+end
+
+def foo117
+end
+
+def foo118
+end
+
+def foo119
+end
+
+def foo120
+end
+
+def foo121
+end
+
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/raise_fixture.rb b/spec/rubyspec/fixtures/code/raise_fixture.rb
new file mode 100644
index 0000000000..9419089a06
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/raise_fixture.rb
@@ -0,0 +1 @@
+raise "Exception loading a file"
diff --git a/spec/rubyspec/fixtures/code/recursive_load_fixture.rb b/spec/rubyspec/fixtures/code/recursive_load_fixture.rb
new file mode 100644
index 0000000000..18b144d44a
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/recursive_load_fixture.rb
@@ -0,0 +1,5 @@
+ScratchPad << :loaded
+
+if ScratchPad.recorded == [:loaded]
+  load File.expand_path("../recursive_load_fixture.rb", __FILE__)
+end
diff --git a/spec/rubyspec/fixtures/code/recursive_require_fixture.rb b/spec/rubyspec/fixtures/code/recursive_require_fixture.rb
new file mode 100644
index 0000000000..8842a6ad74
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/recursive_require_fixture.rb
@@ -0,0 +1,3 @@
+require File.expand_path("../recursive_require_fixture.rb", __FILE__)
+
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/symlink/symlink1.rb b/spec/rubyspec/fixtures/code/symlink/symlink1.rb
new file mode 100644
index 0000000000..6a006eef14
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/symlink/symlink1.rb
@@ -0,0 +1 @@
+require_relative 'symlink2/symlink2'
diff --git a/spec/rubyspec/fixtures/code/symlink/symlink2/symlink2.rb b/spec/rubyspec/fixtures/code/symlink/symlink2/symlink2.rb
new file mode 100644
index 0000000000..4a6e9c9601
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/symlink/symlink2/symlink2.rb
@@ -0,0 +1 @@
+ScratchPad << :loaded
diff --git a/spec/rubyspec/fixtures/code/wrap_fixture.rb b/spec/rubyspec/fixtures/code/wrap_fixture.rb
new file mode 100644
index 0000000000..b83a8970d7
--- /dev/null
+++ b/spec/rubyspec/fixtures/code/wrap_fixture.rb
@@ -0,0 +1,3 @@
+class LoadSpecWrap
+  ScratchPad << self
+end