1 files changed, 13 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/backtrace/limit_spec.rb b/spec/ruby/core/thread/backtrace/limit_spec.rb
new file mode 100644
index 0000000000..b55ca67ea0
--- /dev/null
+++ b/spec/ruby/core/thread/backtrace/limit_spec.rb
@@ -0,0 +1,13 @@
+require_relative '../../../spec_helper'
+
+describe "Thread::Backtrace.limit" do
+  it "returns maximum backtrace length set by --backtrace-limit command-line option" do
+    out = ruby_exe("print Thread::Backtrace.limit", options: "--backtrace-limit=2")
+    out.should == "2"
+  end
+
+  it "returns -1 when --backtrace-limit command-line option is not set" do
+    out = ruby_exe("print Thread::Backtrace.limit")
+    out.should == "-1"
+  end
+end