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-rw-r--r--test/coverage/test_coverage.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/coverage/test_coverage.rb b/test/coverage/test_coverage.rb
index 8bc1104d75..0753ccddc5 100644
--- a/test/coverage/test_coverage.rb
+++ b/test/coverage/test_coverage.rb
@@ -110,4 +110,13 @@ class TestCoverage < Test::Unit::TestCase
ensure
$".replace loaded_features
end
+
+ def test_nonpositive_linenumber
+ bug12517 = '[ruby-core:76141] [Bug #12517]'
+ Coverage.start
+ assert_nothing_raised(ArgumentError, bug12517) do
+ RubyVM::InstructionSequence.compile(":ok", nil, "<compiled>", 0)
+ end
+ assert_include Coverage.result, "<compiled>"
+ end
end unless ENV['COVERAGE']