From 952bbefaac3836e4c4a8ae6e0919dabcb90a448a Mon Sep 17 00:00:00 2001
From: Jeffrey Rackauckas <jeffreyrack@gmail.com>
Date: Sat, 30 Jun 2018 18:26:58 -0700
Subject: [PATCH] Add initial test.

---
 testing/test_pdb.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/testing/test_pdb.py b/testing/test_pdb.py
index 08be812a2..7bb19d20f 100644
--- a/testing/test_pdb.py
+++ b/testing/test_pdb.py
@@ -696,3 +696,20 @@ class TestDebuggingBreakpoints(object):
         assert "1 failed" in rest
         assert "reading from stdin while output" not in rest
         TestPDB.flush(child)
+
+class TestTraceOption():
+    def test_trace_sets_breakpoint(self, testdir):
+        p1 = testdir.makepyfile(
+            """
+            def test_1():
+                assert 1
+            """
+        )
+        child = testdir.spawn_pytest("--trace " + str(p1))
+        child.expect("test_1")
+        child.expect("(Pdb)")
+        child.sendeof()
+        rest = child.read().decode("utf8")
+        assert "1 failed" in rest
+        assert "reading from stdin while output" not in rest
+        TestPDB.flush(child)
\ No newline at end of file