1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/tracepoint/lineno_spec.rb b/spec/ruby/core/tracepoint/lineno_spec.rb
new file mode 100644
index 0000000000..7c46d5222b
--- /dev/null
+++ b/spec/ruby/core/tracepoint/lineno_spec.rb
@@ -0,0 +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|
+      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(RuntimeError, 'access from outside')
+  end
+end