Update to ruby/spec@4e486fa

32 files changed, 355 insertions, 87 deletions

diff --git a/spec/ruby/core/array/fixtures/classes.rb b/spec/ruby/core/array/fixtures/classes.rb
index 42071ed0cd..2791a2eb5d 100644
--- a/spec/ruby/core/array/fixtures/classes.rb
+++ b/spec/ruby/core/array/fixtures/classes.rb
@@ -144,7 +144,7 @@ module ArraySpecs
   end
 
   def self.universal_pack_object
-    obj = mock("string float int")
+    obj = mock("string float int".freeze)
     obj.stub!(:to_int).and_return(1)
     obj.stub!(:to_str).and_return("1")
     obj.stub!(:to_f).and_return(1.0)
diff --git a/spec/ruby/core/array/shared/slice.rb b/spec/ruby/core/array/shared/slice.rb
index d6b4547b2b..f36890fa4e 100644
--- a/spec/ruby/core/array/shared/slice.rb
+++ b/spec/ruby/core/array/shared/slice.rb
@@ -466,6 +466,12 @@ describe :array_slice, shared: true do
 
     obj = 8e19
     -> { array.send(@method, obj) }.should raise_error(RangeError)
+
+    # boundary value when longs are 64 bits
+    -> { array.send(@method, 2.0**63) }.should raise_error(RangeError)
+
+    # just under the boundary value when longs are 64 bits
+    array.send(@method, max_long.to_f.prev_float).should == nil
   end
 
   it "raises a RangeError when the length is out of range of Fixnum" do
diff --git a/spec/ruby/core/enumerator/new_spec.rb b/spec/ruby/core/enumerator/new_spec.rb
index 15e42d247e..100edc8455 100644
--- a/spec/ruby/core/enumerator/new_spec.rb
+++ b/spec/ruby/core/enumerator/new_spec.rb
@@ -75,5 +75,36 @@ describe "Enumerator.new" do
         enum.to_a.should == ["a\n", "b\n", "c"]
       end
     end
+
+    describe 'yielded values' do
+      it 'handles yield arguments properly' do
+        Enumerator.new { |y| y.yield(1) }.to_a.should == [1]
+        Enumerator.new { |y| y.yield(1) }.first.should == 1
+
+        Enumerator.new { |y| y.yield([1]) }.to_a.should == [[1]]
+        Enumerator.new { |y| y.yield([1]) }.first.should == [1]
+
+        Enumerator.new { |y| y.yield(1, 2) }.to_a.should == [[1, 2]]
+        Enumerator.new { |y| y.yield(1, 2) }.first.should == [1, 2]
+
+        Enumerator.new { |y| y.yield([1, 2]) }.to_a.should == [[1, 2]]
+        Enumerator.new { |y| y.yield([1, 2]) }.first.should == [1, 2]
+      end
+
+      it 'handles << arguments properly' do
+        Enumerator.new { |y| y.<<(1) }.to_a.should == [1]
+        Enumerator.new { |y| y.<<(1) }.first.should == 1
+
+        Enumerator.new { |y| y.<<([1]) }.to_a.should == [[1]]
+        Enumerator.new { |y| y.<<([1]) }.first.should == [1]
+
+        # << doesn't accept multiple arguments
+        # Enumerator.new { |y| y.<<(1, 2) }.to_a.should == [[1, 2]]
+        # Enumerator.new { |y| y.<<(1, 2) }.first.should == [1, 2]
+
+        Enumerator.new { |y| y.<<([1, 2]) }.to_a.should == [[1, 2]]
+        Enumerator.new { |y| y.<<([1, 2]) }.first.should == [1, 2]
+      end
+    end
   end
 end
diff --git a/spec/ruby/core/enumerator/yielder/append_spec.rb b/spec/ruby/core/enumerator/yielder/append_spec.rb
index dac66585a5..7f7059774d 100644
--- a/spec/ruby/core/enumerator/yielder/append_spec.rb
+++ b/spec/ruby/core/enumerator/yielder/append_spec.rb
@@ -21,4 +21,27 @@ describe "Enumerator::Yielder#<<" do
     y = Enumerator::Yielder.new {|x| x + 1}
     (y << 1).should equal(y)
   end
+
+  context "when multiple arguments passed" do
+    ruby_version_is '' ... '2.6' do
+      it "yields the arguments list to the block" do
+        ary = []
+        y = Enumerator::Yielder.new { |*x| ary << x }
+        y.<<(1, 2)
+
+        ary.should == [[1, 2]]
+      end
+    end
+
+    ruby_version_is '2.6' do
+      it "raises an ArgumentError" do
+        ary = []
+        y = Enumerator::Yielder.new { |*x| ary << x }
+
+        -> {
+          y.<<(1, 2)
+        }.should raise_error(ArgumentError, /wrong number of arguments/)
+      end
+    end
+  end
 end
diff --git a/spec/ruby/core/enumerator/yielder/yield_spec.rb b/spec/ruby/core/enumerator/yielder/yield_spec.rb
index 58fc8e007a..acfdf114b6 100644
--- a/spec/ruby/core/enumerator/yielder/yield_spec.rb
+++ b/spec/ruby/core/enumerator/yielder/yield_spec.rb
@@ -20,4 +20,14 @@ describe "Enumerator::Yielder#yield" do
     y = Enumerator::Yielder.new {|x| x + 1}
     y.yield(1).should == 2
   end
+
+  context "when multiple arguments passed" do
+    it "yields the arguments list to the block" do
+      ary = []
+      y = Enumerator::Yielder.new { |*x| ary << x }
+      y.yield(1, 2)
+
+      ary.should == [[1, 2]]
+    end
+  end
 end
diff --git a/spec/ruby/core/integer/left_shift_spec.rb b/spec/ruby/core/integer/left_shift_spec.rb
index 4b5ef9386e..f9a8c9bbd1 100644
--- a/spec/ruby/core/integer/left_shift_spec.rb
+++ b/spec/ruby/core/integer/left_shift_spec.rb
@@ -71,8 +71,11 @@ describe "Integer#<< (with n << m)" do
     it "calls #to_int to convert the argument to an Integer" do
       obj = mock("4")
       obj.should_receive(:to_int).and_return(4)
-
       (3 << obj).should == 48
+
+      obj = mock("to_int_neg_bignum")
+      obj.should_receive(:to_int).and_return(-bignum_value)
+      (3 << obj).should == 0
     end
 
     it "raises a TypeError when #to_int does not return an Integer" do
diff --git a/spec/ruby/core/integer/right_shift_spec.rb b/spec/ruby/core/integer/right_shift_spec.rb
index 3eeaf3eb2f..1eac6cb5bc 100644
--- a/spec/ruby/core/integer/right_shift_spec.rb
+++ b/spec/ruby/core/integer/right_shift_spec.rb
@@ -71,8 +71,11 @@ describe "Integer#>> (with n >> m)" do
     it "calls #to_int to convert the argument to an Integer" do
       obj = mock("2")
       obj.should_receive(:to_int).and_return(2)
-
       (8 >> obj).should == 2
+
+      obj = mock("to_int_bignum")
+      obj.should_receive(:to_int).and_return(bignum_value)
+      (8 >> obj).should == 0
     end
 
     it "raises a TypeError when #to_int does not return an Integer" do
diff --git a/spec/ruby/core/kernel/shared/require.rb b/spec/ruby/core/kernel/shared/require.rb
index 69977194e9..28fdb5e451 100644
--- a/spec/ruby/core/kernel/shared/require.rb
+++ b/spec/ruby/core/kernel/shared/require.rb
@@ -242,6 +242,15 @@ describe :kernel_require, shared: true do
       @object.require("load_fixture").should be_true
       ScratchPad.recorded.should == [:loaded]
     end
+
+    ruby_bug "#16926", "2.7"..."2.8" do
+      it "does not load a feature twice when $LOAD_PATH has been modified" do
+        $LOAD_PATH.replace [CODE_LOADING_DIR]
+        @object.require("load_fixture").should be_true
+        $LOAD_PATH.replace [File.expand_path("b", CODE_LOADING_DIR), CODE_LOADING_DIR]
+        @object.require("load_fixture").should be_false
+      end
+    end
   end
 
   describe "(file extensions)" do
diff --git a/spec/ruby/core/module/autoload_spec.rb b/spec/ruby/core/module/autoload_spec.rb
index 6f0ca49dcf..85a0d067d1 100644
--- a/spec/ruby/core/module/autoload_spec.rb
+++ b/spec/ruby/core/module/autoload_spec.rb
@@ -294,6 +294,32 @@ describe "Module#autoload" do
       ScratchPad.recorded.should == [nil, nil]
       @check.call.should == ["constant", nil]
     end
+
+    it "does not raise an error if the autoload constant was not defined" do
+      module ModuleSpecs::Autoload
+        autoload :RequiredDirectlyNoConstant, fixture(__FILE__, "autoload_required_directly_no_constant.rb")
+      end
+      @path = fixture(__FILE__, "autoload_required_directly_no_constant.rb")
+      @remove << :RequiredDirectlyNoConstant
+      @check = -> {
+        [
+            defined?(ModuleSpecs::Autoload::RequiredDirectlyNoConstant),
+            ModuleSpecs::Autoload.constants(false).include?(:RequiredDirectlyNoConstant),
+            ModuleSpecs::Autoload.const_defined?(:RequiredDirectlyNoConstant),
+            ModuleSpecs::Autoload.autoload?(:RequiredDirectlyNoConstant)
+        ]
+      }
+      ScratchPad.record @check
+      @check.call.should == ["constant", true, true, @path]
+      $:.push File.dirname(@path)
+      begin
+        require "autoload_required_directly_no_constant.rb"
+      ensure
+        $:.pop
+      end
+      ScratchPad.recorded.should == [nil, true, false, nil]
+      @check.call.should == [nil, true, false, nil]
+    end
   end
 
   describe "after the autoload is triggered by require" do
diff --git a/spec/ruby/core/module/fixtures/autoload_required_directly_no_constant.rb b/spec/ruby/core/module/fixtures/autoload_required_directly_no_constant.rb
new file mode 100644
index 0000000000..25e08c1129
--- /dev/null
+++ b/spec/ruby/core/module/fixtures/autoload_required_directly_no_constant.rb
@@ -0,0 +1,2 @@
+block = ScratchPad.recorded
+ScratchPad.record(block.call)
diff --git a/spec/ruby/core/thread/backtrace/location/absolute_path_spec.rb b/spec/ruby/core/thread/backtrace/location/absolute_path_spec.rb
index d38659c257..67f9274f32 100644
--- a/spec/ruby/core/thread/backtrace/location/absolute_path_spec.rb
+++ b/spec/ruby/core/thread/backtrace/location/absolute_path_spec.rb
@@ -29,33 +29,35 @@ describe 'Thread::Backtrace::Location#absolute_path' do
     end
   end
 
-  platform_is_not :windows do
-    before :each do
-      @file = fixture(__FILE__, "absolute_path.rb")
-      @symlink = tmp("symlink.rb")
-      File.symlink(@file, @symlink)
-      ScratchPad.record []
-    end
-
-    after :each do
-      rm_r @symlink
-    end
-
-    it "returns a canonical path without symlinks, even when __FILE__ does not" do
-      realpath = File.realpath(@symlink)
-      realpath.should_not == @symlink
-
-      load @symlink
-      ScratchPad.recorded.should == [@symlink, realpath]
-    end
-
-    it "returns a canonical path without symlinks, even when __FILE__ is removed" do
-      realpath = File.realpath(@symlink)
-      realpath.should_not == @symlink
-
-      ScratchPad << -> { rm_r(@symlink) }
-      load @symlink
-      ScratchPad.recorded.should == [@symlink, realpath]
+  context "canonicalization" do
+    platform_is_not :windows do
+      before :each do
+        @file = fixture(__FILE__, "absolute_path.rb")
+        @symlink = tmp("symlink.rb")
+        File.symlink(@file, @symlink)
+        ScratchPad.record []
+      end
+
+      after :each do
+        rm_r @symlink
+      end
+
+      it "returns a canonical path without symlinks, even when __FILE__ does not" do
+        realpath = File.realpath(@symlink)
+        realpath.should_not == @symlink
+
+        load @symlink
+        ScratchPad.recorded.should == [@symlink, realpath]
+      end
+
+      it "returns a canonical path without symlinks, even when __FILE__ is removed" do
+        realpath = File.realpath(@symlink)
+        realpath.should_not == @symlink
+
+        ScratchPad << -> { rm_r(@symlink) }
+        load @symlink
+        ScratchPad.recorded.should == [@symlink, realpath]
+      end
     end
   end
 end
diff --git a/spec/ruby/core/thread/backtrace/location/fixtures/path.rb b/spec/ruby/core/thread/backtrace/location/fixtures/path.rb
new file mode 100644
index 0000000000..fba34cb0bc
--- /dev/null
+++ b/spec/ruby/core/thread/backtrace/location/fixtures/path.rb
@@ -0,0 +1,2 @@
+ScratchPad << __FILE__
+ScratchPad << caller_locations(0)[0].path
diff --git a/spec/ruby/core/thread/backtrace/location/path_spec.rb b/spec/ruby/core/thread/backtrace/location/path_spec.rb
index b1a3439747..93eb4982d8 100644
--- a/spec/ruby/core/thread/backtrace/location/path_spec.rb
+++ b/spec/ruby/core/thread/backtrace/location/path_spec.rb
@@ -86,4 +86,27 @@ describe 'Thread::Backtrace::Location#path' do
       end
     end
   end
+
+  context "canonicalization" do
+    platform_is_not :windows do
+      before :each do
+        @file = fixture(__FILE__, "path.rb")
+        @symlink = tmp("symlink.rb")
+        File.symlink(@file, @symlink)
+        ScratchPad.record []
+      end
+
+      after :each do
+        rm_r @symlink
+      end
+
+      it "returns a non-canonical path with symlinks, the same as __FILE__" do
+        realpath = File.realpath(@symlink)
+        realpath.should_not == @symlink
+
+        load @symlink
+        ScratchPad.recorded.should == [@symlink, @symlink]
+      end
+    end
+  end
 end
diff --git a/spec/ruby/core/tracepoint/binding_spec.rb b/spec/ruby/core/tracepoint/binding_spec.rb
index f37753602e..6a7ef5f85a 100644
--- a/spec/ruby/core/tracepoint/binding_spec.rb
+++ b/spec/ruby/core/tracepoint/binding_spec.rb
@@ -1,4 +1,5 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#binding' do
   def test
@@ -8,6 +9,7 @@ describe 'TracePoint#binding' do
   it 'return the generated binding object from event' do
     bindings = []
     TracePoint.new(:return) { |tp|
+      next unless TracePointSpec.target_thread?
       bindings << tp.binding
     }.enable {
       test
diff --git a/spec/ruby/core/tracepoint/callee_id_spec.rb b/spec/ruby/core/tracepoint/callee_id_spec.rb
index d340290d8b..cc08a45504 100644
--- a/spec/ruby/core/tracepoint/callee_id_spec.rb
+++ b/spec/ruby/core/tracepoint/callee_id_spec.rb
@@ -7,6 +7,7 @@ describe "TracePoint#callee_id" do
     obj = TracePointSpec::ClassWithMethodAlias.new
 
     TracePoint.new(:call) do |tp|
+      next unless TracePointSpec.target_thread?
       a << tp.callee_id
     end.enable do
       obj.m_alias
diff --git a/spec/ruby/core/tracepoint/defined_class_spec.rb b/spec/ruby/core/tracepoint/defined_class_spec.rb
index 72536e6a56..4593db6d1f 100644
--- a/spec/ruby/core/tracepoint/defined_class_spec.rb
+++ b/spec/ruby/core/tracepoint/defined_class_spec.rb
@@ -5,6 +5,7 @@ describe 'TracePoint#defined_class' do
   it 'returns class or module of the method being called' do
     last_class_name = nil
     TracePoint.new(:call) do |tp|
+      next unless TracePointSpec.target_thread?
       last_class_name = tp.defined_class
     end.enable do
       TracePointSpec::B.new.foo
diff --git a/spec/ruby/core/tracepoint/disable_spec.rb b/spec/ruby/core/tracepoint/disable_spec.rb
index 2ab9b987f4..73a31b3b81 100644
--- a/spec/ruby/core/tracepoint/disable_spec.rb
+++ b/spec/ruby/core/tracepoint/disable_spec.rb
@@ -1,9 +1,11 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#disable' do
   it 'returns true if trace was enabled' do
     called = false
     trace = TracePoint.new(:line) do |tp|
+      next unless TracePointSpec.target_thread?
       called = true
     end
 
@@ -25,6 +27,7 @@ describe 'TracePoint#disable' do
   it 'returns false if trace was disabled' do
     called = false
     trace = TracePoint.new(:line) do |tp|
+      next unless TracePointSpec.target_thread?
       called = true
     end
 
diff --git a/spec/ruby/core/tracepoint/enable_spec.rb b/spec/ruby/core/tracepoint/enable_spec.rb
index 15eb2f1616..aa0c3aa0dc 100644
--- a/spec/ruby/core/tracepoint/enable_spec.rb
+++ b/spec/ruby/core/tracepoint/enable_spec.rb
@@ -1,20 +1,21 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#enable' do
-  # def test; end
-
   describe 'without a block' do
-    it 'returns true if trace was enabled' do
+    it 'returns false if trace was disabled' do
       called = false
       trace = TracePoint.new(:line) do |tp|
+        next unless TracePointSpec.target_thread?
         called = true
       end
 
       line_event = true
       called.should == false
 
-      trace.enable
+      ret = trace.enable
       begin
+        ret.should == false
         line_event = true
         called.should == true
       ensure
@@ -22,30 +23,27 @@ describe 'TracePoint#enable' do
       end
     end
 
-    it 'returns false if trace was disabled' do
+    it 'returns true if trace was already enabled' do
       called = false
       trace = TracePoint.new(:line) do |tp|
+        next unless TracePointSpec.target_thread?
         called = true
       end
 
-      trace.enable.should == false
-      begin
-        line_event = true
-        called.should == true
-      ensure
-        trace.disable
-      end
-
-      called = false
       line_event = true
       called.should == false
 
-      trace.enable.should == false
+      ret = trace.enable
       begin
+        ret.should == false
+
+        trace.enable.should == true
+
         line_event = true
         called.should == true
       ensure
         trace.disable
+        trace.should_not.enabled?
       end
     end
   end
@@ -54,13 +52,38 @@ describe 'TracePoint#enable' do
     it 'enables the trace object within a block' do
       event_name = nil
       TracePoint.new(:line) do |tp|
+        next unless TracePointSpec.target_thread?
         event_name = tp.event
       end.enable { event_name.should equal(:line) }
     end
 
+    it 'enables the trace object for any thread' do
+      threads = []
+      trace = TracePoint.new(:line) do |tp|
+        # Runs on purpose on any Thread
+        threads << Thread.current
+      end
+
+      thread = nil
+      trace.enable do
+        line_event = true
+        thread = Thread.new do
+          event_in_other_thread = true
+        end
+        thread.join
+      end
+
+      threads = threads.uniq
+      threads.should.include?(Thread.current)
+      threads.should.include?(thread)
+    end
+
     it 'can accept arguments within a block but it should not yield arguments' do
       event_name = nil
-      trace = TracePoint.new(:line) { |tp| event_name = tp.event }
+      trace = TracePoint.new(:line) do |tp|
+        next unless TracePointSpec.target_thread?
+        event_name = tp.event
+      end
       trace.enable do |*args|
         event_name.should equal(:line)
         args.should == []
@@ -87,7 +110,10 @@ describe 'TracePoint#enable' do
 
     it 'disables the trace object outside the block' do
       called = false
-      trace = TracePoint.new(:line) { called = true }
+      trace = TracePoint.new(:line) do
+        next unless TracePointSpec.target_thread?
+        called = true
+      end
       trace.enable {
         line_event = true
       }
@@ -96,6 +122,35 @@ describe 'TracePoint#enable' do
     end
   end
 
+  describe "when nested" do
+    it "enables both TracePoints but only calls the respective callbacks" do
+      called = false
+      first = TracePoint.new(:line) do |tp|
+        next unless TracePointSpec.target_thread?
+        called = true
+      end
+
+      all = []
+      inspects = []
+      second = TracePoint.new(:line) { |tp|
+        next unless TracePointSpec.target_thread?
+        all << tp
+        inspects << tp.inspect
+      }
+
+      line = nil
+      first.enable do
+        second.enable do
+          line = __LINE__
+        end
+      end
+
+      all.uniq.should == [second]
+      inspects.uniq.should == ["#<TracePoint:line@#{__FILE__}:#{line}>"]
+      called.should == true
+    end
+  end
+
   ruby_version_is "2.6" do
     describe 'target: option' do
       before :each do
@@ -104,6 +159,7 @@ describe 'TracePoint#enable' do
 
       it 'enables trace point for specific location' do
         trace = TracePoint.new(:call) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.method_id
         end
 
@@ -121,6 +177,7 @@ describe 'TracePoint#enable' do
 
       it 'traces all the events triggered in specified location' do
         trace = TracePoint.new(:line, :call, :return, :b_call, :b_return) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.event
         end
 
@@ -140,6 +197,7 @@ describe 'TracePoint#enable' do
 
       it 'does not trace events in nested locations' do
         trace = TracePoint.new(:call) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.method_id
         end
 
@@ -177,6 +235,7 @@ describe 'TracePoint#enable' do
         end
 
         trace = TracePoint.new(:b_call) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.lineno
         end
 
@@ -193,6 +252,7 @@ describe 'TracePoint#enable' do
       describe 'option value' do
         it 'accepts Method' do
           trace = TracePoint.new(:call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << tp.method_id
           end
 
@@ -208,6 +268,7 @@ describe 'TracePoint#enable' do
 
         it 'accepts UnboundMethod' do
           trace = TracePoint.new(:call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << tp.method_id
           end
 
@@ -225,6 +286,7 @@ describe 'TracePoint#enable' do
 
         it 'accepts Proc' do
           trace = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << tp.lineno
           end
 
@@ -242,6 +304,7 @@ describe 'TracePoint#enable' do
 
       it "raises ArgumentError if target object cannot trigger specified event" do
         trace = TracePoint.new(:call) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.method_id
         end
 
@@ -255,8 +318,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises ArgumentError if passed not Method/UnboundMethod/Proc" do
-        trace = TracePoint.new(:call) do |tp|
-        end
+        trace = TracePoint.new(:call) {}
 
         -> {
           trace.enable(target: Object.new) do
@@ -266,8 +328,7 @@ describe 'TracePoint#enable' do
 
       context "nested enabling and disabling" do
         it "raises ArgumentError if trace point already enabled with target is re-enabled with target" do
-          trace = TracePoint.new(:b_call) do
-          end
+          trace = TracePoint.new(:b_call) {}
 
           -> {
             trace.enable(target: -> {}) do
@@ -278,8 +339,7 @@ describe 'TracePoint#enable' do
         end
 
         it "raises ArgumentError if trace point already enabled without target is re-enabled with target" do
-          trace = TracePoint.new(:b_call) do
-          end
+          trace = TracePoint.new(:b_call) {}
 
           -> {
             trace.enable do
@@ -290,8 +350,7 @@ describe 'TracePoint#enable' do
         end
 
         it "raises ArgumentError if trace point already enabled with target is re-enabled without target" do
-          trace = TracePoint.new(:b_call) do
-          end
+          trace = TracePoint.new(:b_call) {}
 
           -> {
             trace.enable(target: -> {}) do
@@ -302,8 +361,7 @@ describe 'TracePoint#enable' do
         end
 
         it "raises ArgumentError if trace point already enabled with target is disabled with block" do
-          trace = TracePoint.new(:b_call) do
-          end
+          trace = TracePoint.new(:b_call) {}
 
           -> {
             trace.enable(target: -> {}) do
@@ -315,10 +373,12 @@ describe 'TracePoint#enable' do
 
         it "traces events when trace point with target is enabled in another trace point enabled without target" do
           trace_outer = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :outer
           end
 
           trace_inner = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :inner
           end
 
@@ -335,10 +395,12 @@ describe 'TracePoint#enable' do
 
         it "traces events when trace point with target is enabled in another trace point enabled with target" do
           trace_outer = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :outer
           end
 
           trace_inner = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :inner
           end
 
@@ -355,10 +417,12 @@ describe 'TracePoint#enable' do
 
         it "traces events when trace point without target is enabled in another trace point enabled with target" do
           trace_outer = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :outer
           end
 
           trace_inner = TracePoint.new(:b_call) do |tp|
+            next unless TracePointSpec.target_thread?
             ScratchPad << :inner
           end
 
@@ -382,6 +446,7 @@ describe 'TracePoint#enable' do
 
       it "traces :line events only on specified line of code" do
         trace = TracePoint.new(:line) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.lineno
         end
 
@@ -401,8 +466,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises ArgumentError if :target option isn't specified" do
-        trace = TracePoint.new(:line) do |tp|
-        end
+        trace = TracePoint.new(:line) {}
 
         -> {
           trace.enable(target_line: 67) do
@@ -411,8 +475,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises ArgumentError if :line event isn't registered" do
-        trace = TracePoint.new(:call) do |tp|
-        end
+        trace = TracePoint.new(:call) {}
 
         target = -> {
           x = 1
@@ -429,8 +492,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises ArgumentError if :target_line value is out of target code lines range" do
-        trace = TracePoint.new(:line) do |tp|
-        end
+        trace = TracePoint.new(:line) {}
 
         -> {
           trace.enable(target_line: 1, target: -> { }) do
@@ -439,8 +501,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises TypeError if :target_line value couldn't be coerced to Integer" do
-        trace = TracePoint.new(:line) do |tp|
-        end
+        trace = TracePoint.new(:line) {}
 
         -> {
           trace.enable(target_line: Object.new, target: -> { }) do
@@ -449,8 +510,7 @@ describe 'TracePoint#enable' do
       end
 
       it "raises ArgumentError if :target_line value is negative" do
-        trace = TracePoint.new(:line) do |tp|
-        end
+        trace = TracePoint.new(:line) {}
 
         -> {
           trace.enable(target_line: -2, target: -> { }) do
@@ -460,6 +520,7 @@ describe 'TracePoint#enable' do
 
       it "accepts value that could be coerced to Integer" do
         trace = TracePoint.new(:line) do |tp|
+          next unless TracePointSpec.target_thread?
           ScratchPad << tp.lineno
         end
 
diff --git a/spec/ruby/core/tracepoint/enabled_spec.rb b/spec/ruby/core/tracepoint/enabled_spec.rb
index dbc3c214c5..0e9566a02c 100644
--- a/spec/ruby/core/tracepoint/enabled_spec.rb
+++ b/spec/ruby/core/tracepoint/enabled_spec.rb
@@ -1,4 +1,5 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#enabled?' do
   it 'returns true when current status of the trace is enable' do
diff --git a/spec/ruby/core/tracepoint/eval_script_spec.rb b/spec/ruby/core/tracepoint/eval_script_spec.rb
index 1d8e425a9a..ccf7fb5975 100644
--- a/spec/ruby/core/tracepoint/eval_script_spec.rb
+++ b/spec/ruby/core/tracepoint/eval_script_spec.rb
@@ -13,6 +13,7 @@ ruby_version_is "2.6" do
       CODE
 
       TracePoint.new(:script_compiled) do |e|
+        next unless TracePointSpec.target_thread?
         ScratchPad << e.eval_script
       end.enable do
         eval script
diff --git a/spec/ruby/core/tracepoint/event_spec.rb b/spec/ruby/core/tracepoint/event_spec.rb
index 019d0c3253..9dea24d125 100644
--- a/spec/ruby/core/tracepoint/event_spec.rb
+++ b/spec/ruby/core/tracepoint/event_spec.rb
@@ -5,6 +5,7 @@ describe 'TracePoint#event' do
   it 'returns the type of event' do
     event_name = nil
     TracePoint.new(:end, :call) do |tp|
+      next unless TracePointSpec.target_thread?
       event_name = tp.event
     end.enable do
       TracePointSpec.test
diff --git a/spec/ruby/core/tracepoint/fixtures/classes.rb b/spec/ruby/core/tracepoint/fixtures/classes.rb
index 49c70e1915..3ab1b00b16 100644
--- a/spec/ruby/core/tracepoint/fixtures/classes.rb
+++ b/spec/ruby/core/tracepoint/fixtures/classes.rb
@@ -1,4 +1,10 @@
 module TracePointSpec
+  @thread = Thread.current
+
+  def self.target_thread?
+    Thread.current == @thread
+  end
+
   class ClassWithMethodAlias
     def m
     end
diff --git a/spec/ruby/core/tracepoint/inspect_spec.rb b/spec/ruby/core/tracepoint/inspect_spec.rb
index 465f01e229..1e48caa215 100644
--- a/spec/ruby/core/tracepoint/inspect_spec.rb
+++ b/spec/ruby/core/tracepoint/inspect_spec.rb
@@ -10,6 +10,7 @@ describe 'TracePoint#inspect' do
     inspect = nil
     line = nil
     TracePoint.new(:line) { |tp|
+      next unless TracePointSpec.target_thread?
       inspect ||= tp.inspect
     }.enable do
       line = __LINE__
@@ -22,6 +23,7 @@ describe 'TracePoint#inspect' do
     inspect = nil
     line = nil
     TracePoint.new(:class) { |tp|
+      next unless TracePointSpec.target_thread?
       inspect ||= tp.inspect
     }.enable do
       line = __LINE__ + 1
diff --git a/spec/ruby/core/tracepoint/lineno_spec.rb b/spec/ruby/core/tracepoint/lineno_spec.rb
index a4d7e77e8d..77b3ac8b54 100644
--- a/spec/ruby/core/tracepoint/lineno_spec.rb
+++ b/spec/ruby/core/tracepoint/lineno_spec.rb
@@ -1,10 +1,20 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#lineno' do
   it 'returns the line number of the event' do
     lineno = nil
-    TracePoint.new(:line) { |tp| lineno = tp.lineno }.enable do
-      lineno.should == 7
+    TracePoint.new(:line) { |tp|
+      next unless TracePointSpec.target_thread?
+      lineno = tp.lineno
+    }.enable do
+      line_event = true
     end
+    lineno.should == __LINE__ - 2
+  end
+
+  it 'raises RuntimeError if accessed from outside' do
+    tp = TracePoint.new(:line) {}
+    -> { tp.lineno }.should raise_error(RuntimeError, 'access from outside')
   end
 end
diff --git a/spec/ruby/core/tracepoint/method_id_spec.rb b/spec/ruby/core/tracepoint/method_id_spec.rb
index 82254d1299..43e23248b7 100644
--- a/spec/ruby/core/tracepoint/method_id_spec.rb
+++ b/spec/ruby/core/tracepoint/method_id_spec.rb
@@ -1,12 +1,14 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#method_id' do
-  def test; end
-
   it 'returns the name at the definition of the method being called' do
     method_name = nil
-    TracePoint.new(:call) { |tp| method_name = tp.method_id}.enable do
-      test
+    TracePoint.new(:call) { |tp|
+      next unless TracePointSpec.target_thread?
+      method_name = tp.method_id
+    }.enable do
+      TracePointSpec.test
       method_name.should equal(:test)
     end
   end
diff --git a/spec/ruby/core/tracepoint/new_spec.rb b/spec/ruby/core/tracepoint/new_spec.rb
index 991048514c..e53c2b04a2 100644
--- a/spec/ruby/core/tracepoint/new_spec.rb
+++ b/spec/ruby/core/tracepoint/new_spec.rb
@@ -8,7 +8,10 @@ describe 'TracePoint.new' do
 
   it 'includes :line event when event is not specified' do
     event_name = nil
-    TracePoint.new() { |tp| event_name = tp.event }.enable do
+    TracePoint.new { |tp|
+      next unless TracePointSpec.target_thread?
+      event_name = tp.event
+    }.enable do
       event_name.should equal(:line)
 
       event_name = nil
@@ -25,7 +28,10 @@ describe 'TracePoint.new' do
     event_name = nil
     (o = mock('line')).should_receive(:to_sym).and_return(:line)
 
-    TracePoint.new(o) { |tp| event_name = tp.event }.enable do
+    TracePoint.new(o) { |tp|
+      next unless TracePointSpec.target_thread?
+      event_name = tp.event
+    }.enable do
       line_event = true
       event_name.should == :line
     end
@@ -34,6 +40,7 @@ describe 'TracePoint.new' do
   it 'includes multiple events when multiple event names are passed as params' do
     event_name = nil
     TracePoint.new(:end, :call) do |tp|
+      next unless TracePointSpec.target_thread?
       event_name = tp.event
     end.enable do
       TracePointSpec.test
@@ -49,10 +56,10 @@ describe 'TracePoint.new' do
 
   it 'raises a TypeError when the given object is not a string/symbol' do
     o = mock('123')
-    -> { TracePoint.new(o) {}}.should raise_error(TypeError)
+    -> { TracePoint.new(o) {} }.should raise_error(TypeError)
 
     o.should_receive(:to_sym).and_return(123)
-    -> { TracePoint.new(o) {}}.should raise_error(TypeError)
+    -> { TracePoint.new(o) {} }.should raise_error(TypeError)
   end
 
   it 'expects to be called with a block' do
diff --git a/spec/ruby/core/tracepoint/parameters_spec.rb b/spec/ruby/core/tracepoint/parameters_spec.rb
index f901c184f4..3a2cdd7750 100644
--- a/spec/ruby/core/tracepoint/parameters_spec.rb
+++ b/spec/ruby/core/tracepoint/parameters_spec.rb
@@ -1,11 +1,15 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 ruby_version_is "2.6" do
   describe 'TracePoint#parameters' do
     it 'returns the parameters of block' do
       f = proc {|x, y, z| }
       parameters = nil
-      TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do
+      TracePoint.new(:b_call) { |tp|
+        next unless TracePointSpec.target_thread?
+        parameters = tp.parameters
+      }.enable do
         f.call
         parameters.should == [[:opt, :x], [:opt, :y], [:opt, :z]]
       end
@@ -14,7 +18,10 @@ ruby_version_is "2.6" do
     it 'returns the parameters of lambda block' do
       f = -> x, y, z { }
       parameters = nil
-      TracePoint.new(:b_call) {|tp| parameters = tp.parameters }.enable do
+      TracePoint.new(:b_call) { |tp|
+        next unless TracePointSpec.target_thread?
+        parameters = tp.parameters
+      }.enable do
         f.call(1, 2, 3)
         parameters.should == [[:req, :x], [:req, :y], [:req, :z]]
       end
diff --git a/spec/ruby/core/tracepoint/path_spec.rb b/spec/ruby/core/tracepoint/path_spec.rb
index 1e31c1bb68..5b6c6d4cfc 100644
--- a/spec/ruby/core/tracepoint/path_spec.rb
+++ b/spec/ruby/core/tracepoint/path_spec.rb
@@ -1,18 +1,26 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#path' do
   it 'returns the path of the file being run' do
     path = nil
-    TracePoint.new(:line) { |tp| path = tp.path }.enable do
-      path.should == "#{__FILE__}"
+    TracePoint.new(:line) { |tp|
+      next unless TracePointSpec.target_thread?
+      path = tp.path
+    }.enable do
+      line_event = true
     end
+    path.should == "#{__FILE__}"
   end
 
   it 'equals (eval) inside an eval for :end event' do
     path = nil
-    TracePoint.new(:end) { |tp| path = tp.path }.enable do
+    TracePoint.new(:end) { |tp|
+      next unless TracePointSpec.target_thread?
+      path = tp.path
+    }.enable do
       eval("module TracePointSpec; end")
-      path.should == '(eval)'
     end
+    path.should == '(eval)'
   end
 end
diff --git a/spec/ruby/core/tracepoint/raised_exception_spec.rb b/spec/ruby/core/tracepoint/raised_exception_spec.rb
index 450717b958..ca2f50abb3 100644
--- a/spec/ruby/core/tracepoint/raised_exception_spec.rb
+++ b/spec/ruby/core/tracepoint/raised_exception_spec.rb
@@ -1,9 +1,13 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#raised_exception' do
   it 'returns value from exception raised on the :raise event' do
     raised_exception, error_result = nil
-    trace = TracePoint.new(:raise) { |tp| raised_exception = tp.raised_exception }
+    trace = TracePoint.new(:raise) { |tp|
+      next unless TracePointSpec.target_thread?
+      raised_exception = tp.raised_exception
+    }
     trace.enable do
       begin
         raise StandardError
diff --git a/spec/ruby/core/tracepoint/return_value_spec.rb b/spec/ruby/core/tracepoint/return_value_spec.rb
index f0ed86bd00..e84c7dd762 100644
--- a/spec/ruby/core/tracepoint/return_value_spec.rb
+++ b/spec/ruby/core/tracepoint/return_value_spec.rb
@@ -1,11 +1,15 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint#return_value' do
   def test; 'test' end
 
   it 'returns value from :return event' do
     trace_value = nil
-    TracePoint.new(:return) { |tp| trace_value = tp.return_value}.enable do
+    TracePoint.new(:return) { |tp|
+      next unless TracePointSpec.target_thread?
+      trace_value = tp.return_value
+    }.enable do
       test
       trace_value.should == 'test'
     end
diff --git a/spec/ruby/core/tracepoint/self_spec.rb b/spec/ruby/core/tracepoint/self_spec.rb
index 8bfd09301e..2098860e59 100644
--- a/spec/ruby/core/tracepoint/self_spec.rb
+++ b/spec/ruby/core/tracepoint/self_spec.rb
@@ -4,14 +4,20 @@ require_relative 'fixtures/classes'
 describe 'TracePoint#self' do
   it 'return the trace object from event' do
     trace = nil
-    TracePoint.new(:line) { |tp| trace = tp.self }.enable do
+    TracePoint.new(:line) { |tp|
+      next unless TracePointSpec.target_thread?
+      trace = tp.self
+    }.enable do
       trace.equal?(self).should be_true
     end
   end
 
   it 'return the class object from a class event' do
     trace = nil
-    TracePoint.new(:class) { |tp| trace = tp.self }.enable do
+    TracePoint.new(:class) { |tp|
+      next unless TracePointSpec.target_thread?
+      trace = tp.self
+    }.enable do
       class TracePointSpec::C
       end
     end
diff --git a/spec/ruby/core/tracepoint/trace_spec.rb b/spec/ruby/core/tracepoint/trace_spec.rb
index c39721e692..167f594bb9 100644
--- a/spec/ruby/core/tracepoint/trace_spec.rb
+++ b/spec/ruby/core/tracepoint/trace_spec.rb
@@ -1,4 +1,5 @@
 require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe 'TracePoint.trace' do
   it 'activates the trace automatically' do