solve "duplicate :raise event" [Bug #15877]

Without this patch, "raise" event invoked twice when raise an
exception in "load"ed script.
This patch by  danielwaterworth (Daniel Waterworth).
[Bug #15877]

1 files changed, 13 insertions, 0 deletions

diff --git a/test/ruby/test_settracefunc.rb b/test/ruby/test_settracefunc.rb
index 1f99d3ee88..7d7b672fd8 100644
--- a/test/ruby/test_settracefunc.rb
+++ b/test/ruby/test_settracefunc.rb
@@ -1671,6 +1671,19 @@ class TestSetTraceFunc < Test::Unit::TestCase
     ary
   end
 
+  def test_single_raise_inside_load
+    events = []
+    tmpdir = Dir.mktmpdir
+    path = "#{tmpdir}/hola.rb"
+    File.open(path, "w") { |f| f.write("raise") }
+    TracePoint.new(:raise){|tp| next if !target_thread?; events << [tp.event]}.enable{
+      load path rescue nil
+    }
+    assert_equal [[:raise]], events
+  ensure
+    FileUtils.rmtree(tmpdir)
+  end
+
   def f_raise
     raise
   rescue