1 files changed, 141 insertions, 0 deletions
diff --git a/spec/ruby/core/tracepoint/inspect_spec.rb b/spec/ruby/core/tracepoint/inspect_spec.rb
new file mode 100644
index 0000000000..6cc2ebe243
--- /dev/null
+++ b/spec/ruby/core/tracepoint/inspect_spec.rb
@@ -0,0 +1,141 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe 'TracePoint#inspect' do
+  before do
+    @path_prefix = ' '
+  end
+
+  it 'returns a string containing a human-readable TracePoint status' do
+    TracePoint.new(:line) {}.inspect.should == '#<TracePoint:disabled>'
+  end
+
+  it "shows only whether it's enabled when outside the TracePoint handler" do
+    trace = TracePoint.new(:line) {}
+    trace.enable
+
+    trace.inspect.should == '#<TracePoint:enabled>'
+
+    trace.disable
+  end
+
+  it 'returns a String showing the event, path and line' do
+    inspect = nil
+    line = nil
+    TracePoint.new(:line) { |tp|
+      next unless TracePointSpec.target_thread?
+      next unless tp.path == __FILE__
+
+      inspect ||= tp.inspect
+    }.enable do
+      line = __LINE__
+    end
+
+    inspect.should == "#<TracePoint:line#{@path_prefix}#{__FILE__}:#{line}>"
+  end
+
+  it 'returns a String showing the event, method, path and line for a :call event' do
+    inspect = nil
+    line = nil
+    TracePoint.new(:call) { |tp|
+      next unless TracePointSpec.target_thread?
+      next unless tp.path == __FILE__
+
+      inspect ||= tp.inspect
+    }.enable do
+      line = __LINE__ + 1
+      def trace_point_spec_test_call; end
+      trace_point_spec_test_call
+    end
+
+    inspect.should =~ /\A#<TracePoint:call [`']trace_point_spec_test_call'#{@path_prefix}#{__FILE__}:#{line}>\z/
+  end
+
+  it 'returns a String showing the event, method, path and line for a :return event' do
+    inspect = nil
+    line = nil
+    TracePoint.new(:return) { |tp|
+      next unless TracePointSpec.target_thread?
+      next unless tp.path == __FILE__
+
+      inspect ||= tp.inspect
+    }.enable do
+      line = __LINE__ + 4
+      def trace_point_spec_test_return
+        a = 1
+        return a
+      end
+      trace_point_spec_test_return
+    end
+    ruby_version_is("3.4") { line -= 1 }
+
+    inspect.should =~ /\A#<TracePoint:return [`']trace_point_spec_test_return'#{@path_prefix}#{__FILE__}:#{line}>\z/
+  end
+
+  it 'returns a String showing the event, method, path and line for a :c_call event' do
+    inspect = nil
+    tracepoint = TracePoint.new(:c_call) { |tp|
+      next unless TracePointSpec.target_thread?
+      next unless tp.path == __FILE__
+
+      inspect ||= tp.inspect
+    }
+    line = __LINE__ + 2
+    tracepoint.enable do
+      [0, 1].max
+    end
+
+    inspect.should =~ /\A#<TracePoint:c_call [`']max'#{@path_prefix}#{__FILE__}:#{line}>\z/
+  end
+
+  it 'returns a String showing the event, path and line for a :class event' do
+    inspect = nil
+    line = nil
+    TracePoint.new(:class) { |tp|
+      next unless TracePointSpec.target_thread?
+      next unless tp.path == __FILE__
+
+      inspect ||= tp.inspect
+    }.enable do
+      line = __LINE__ + 1
+      class TracePointSpec::C
+      end
+    end
+
+    inspect.should == "#<TracePoint:class#{@path_prefix}#{__FILE__}:#{line}>"
+  end
+
+  it 'returns a String showing the event and thread for :thread_begin event' do
+    inspect = nil
+    thread = nil
+    thread_inspection = nil
+    TracePoint.new(:thread_begin) { |tp|
+      next unless Thread.current == thread
+
+      inspect ||= tp.inspect
+    }.enable(target_thread: nil) do
+      thread = Thread.new {}
+      thread_inspection = thread.inspect
+      thread.join
+    end
+
+    inspect.should == "#<TracePoint:thread_begin #{thread_inspection}>"
+  end
+
+  it 'returns a String showing the event and thread for :thread_end event' do
+    inspect = nil
+    thread = nil
+    thread_inspection = nil
+    TracePoint.new(:thread_end) { |tp|
+      next unless Thread.current == thread
+
+      inspect ||= tp.inspect
+    }.enable(target_thread: nil) do
+      thread = Thread.new {}
+      thread_inspection = thread.inspect
+      thread.join
+    end
+
+    inspect.should == "#<TracePoint:thread_end #{thread_inspection}>"
+  end
+end