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-rw-r--r--third_party/lisp/trivial-backtrace/test/tests.lisp17
1 files changed, 17 insertions, 0 deletions
diff --git a/third_party/lisp/trivial-backtrace/test/tests.lisp b/third_party/lisp/trivial-backtrace/test/tests.lisp
new file mode 100644
index 000000000000..9b32090f13e0
--- /dev/null
+++ b/third_party/lisp/trivial-backtrace/test/tests.lisp
@@ -0,0 +1,17 @@
+(in-package #:trivial-backtrace-test)
+
+(deftestsuite generates-backtrace (trivial-backtrace-test)
+  ())
+
+(addtest (generates-backtrace)
+  test-1
+  (let ((output nil))
+    (handler-case 
+	(let ((x 1))
+	  (let ((y (- x (expt 1024 0))))
+	    (declare (optimize (safety 3)))
+	    (/ 2 y)))
+      (error (c)
+	(setf output (print-backtrace c :output nil))))
+    (ensure (stringp output))
+    (ensure (plusp (length output)))))